JP2002001372A - Sewage cleaning apparatus - Google Patents
Sewage cleaning apparatusInfo
- Publication number
- JP2002001372A JP2002001372A JP2000193712A JP2000193712A JP2002001372A JP 2002001372 A JP2002001372 A JP 2002001372A JP 2000193712 A JP2000193712 A JP 2000193712A JP 2000193712 A JP2000193712 A JP 2000193712A JP 2002001372 A JP2002001372 A JP 2002001372A
- Authority
- JP
- Japan
- Prior art keywords
- sewage
- filter medium
- treatment tank
- contact
- aggregated
- 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
Landscapes
- Filtration Of Liquid (AREA)
- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、生活排水等の汚水
を浄化する汚水浄化装置に関する。The present invention relates to a sewage purifying apparatus for purifying sewage such as domestic wastewater.
【０００２】[0002]
【従来の技術】一般に、汚水をろ過して浄化する技術に
おいて、接触処理槽のろ材として土壌を用いるものがあ
る。このように土壌をろ材として用いることにより、汚
水中のＣＯＤ（化学的酸素要求量）成分は土壌への吸着
と、土壌中の微生物により酸化分解により処理されると
ともに、リン成分は、主として土壌の吸着により処理さ
れる。2. Description of the Related Art In general, in a technology for filtering and purifying sewage, there is a technology using soil as a filter medium for a contact treatment tank. By using the soil as a filter medium, the COD (chemical oxygen demand) component in the sewage is absorbed by the soil and oxidatively decomposed by microorganisms in the soil, and the phosphorus component is mainly contained in the soil. Treated by adsorption.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上述し
た従来の汚水処理技術では、土壌が目詰まりを生じやす
いため、処理水量に限界があり、多量の汚水を処理する
のが困難であるという問題がある。However, the above-mentioned conventional sewage treatment technology has a problem that the amount of treated water is limited because soil is easily clogged, and it is difficult to treat a large amount of sewage. is there.
【０００４】更に、接触処理槽ではリンとＣＯＤとの処
理が同時に行なわれるため、汚水からそれぞれの成分を
十分に除去できず、最適化された処理水質を得られない
という課題がある。[0004] Furthermore, in the contact treatment tank, since the treatment of phosphorus and COD is performed simultaneously, there is a problem that the respective components cannot be sufficiently removed from the sewage, and an optimized treatment water quality cannot be obtained.
【０００５】そこで、本発明の目的は、汚水の浄化処理
を大量に且つ汚水成分の除去が充分にできる汚水浄化装
置を提供することにある。Accordingly, an object of the present invention is to provide a sewage purification apparatus capable of performing a large amount of sewage purification treatment and sufficiently removing sewage components.
【０００６】[0006]
【課題を解決するための手段】請求項１に記載の発明
は、処理するべき汚水が供給される受水槽と、土壌を粒
状に成形してなる団粒ろ材の充填部を有し汚水を団粒ろ
材に接触させる接触処理槽と、受水槽の汚水を接触処理
槽に移送する汚水供給手段と、充填部に浸漬した後の処
理水を充填部の下部から排出する排出手段とを備えるこ
とを特徴とするものである。Means for Solving the Problems The invention according to claim 1 has a water receiving tank to which sewage to be treated is supplied, and a filling portion of an aggregated filter medium formed by shaping the soil into granules to collect sewage. A contact treatment tank for contacting the granular filter medium, a sewage supply means for transferring sewage in a water receiving tank to the contact treatment tank, and a discharge means for discharging treated water immersed in the filling section from a lower portion of the filling section. It is a feature.
【０００７】この請求項１に記載の発明によれば、汚水
は受水槽に流入された後、汚水供給手段により接触処理
槽に移送される。受水槽を設けることにより接触処理槽
への汚水供給量が制御される。接触処理槽に供給された
汚水は、団粒ろ材が充填された充填部を浸漬し、団粒ろ
材と接触した後、充填部の下部から処理水として排出さ
れる。According to the first aspect of the present invention, after the sewage flows into the water receiving tank, it is transferred to the contact treatment tank by the sewage supply means. By providing a water receiving tank, the amount of wastewater supplied to the contact treatment tank is controlled. The sewage supplied to the contact treatment tank is immersed in the filled portion filled with the aggregated filter medium, and comes into contact with the aggregated filter medium, and then is discharged as treated water from the lower portion of the filled portion.
【０００８】充填部に充填されるろ材は、土壌を粒状に
形成した団粒ろ材であるから、目詰まりを生じ難く、大
量の汚水処理に優れる。[0008] Since the filter medium filled in the filling section is an aggregated filter medium in which the soil is formed in a granular form, clogging hardly occurs, and it is excellent in treating large amounts of sewage.
【０００９】また、団粒ろ材は、通気性が良いので、微
生物による酸化作用と吸着とが促進され、ＣＯＤ及びリ
ン等の汚水成分を充分に除去する。Further, since the aggregate filter medium has good air permeability, the oxidizing action and adsorption by microorganisms are promoted, and sewage components such as COD and phosphorus are sufficiently removed.
【００１０】更に、汚水は、接触処理槽内において充填
部の下部から排出しているので、接触処理槽内の汚水の
滞留時間または団粒ろ材の浸漬時間と、団粒ろ材の空気
中への露出時間を容易に調整でき、処理対象とする汚水
の種類や目標処理水に応じた処理がし易く、汚水成分の
充分な除去が可能である。Further, since the wastewater is discharged from the lower part of the filling section in the contact treatment tank, the residence time of the wastewater in the contact treatment tank or the immersion time of the aggregated filter medium, and the time required for the aggregated filter medium to enter the air. The exposure time can be easily adjusted, the treatment can be easily performed according to the type of sewage to be treated or the target treated water, and sewage components can be sufficiently removed.
【００１１】請求項２に記載の発明は、請求項１に記載
の発明において、前記団粒ろ材は、焼赤玉土または鹿沼
土であることを特徴とするものである。A second aspect of the present invention is characterized in that, in the first aspect of the invention, the aggregated filter medium is burnt red clay or Kanuma clay.
【００１２】この請求項２に記載の発明によれば、請求
項１に記載の作用効果を奏するとともに、団粒ろ材とし
て焼赤玉土または鹿沼土を用いた場合には、更に目詰ま
りを防止しつつ汚水成分の除去に優れ、汚水の大量処理
が可能になる。[0012] According to the second aspect of the present invention, the effects and advantages of the first aspect are exhibited, and further, in the case of using baked red clay or Kanuma soil as the aggregate filter medium, clogging is further prevented. While excellent in removing wastewater components, large-scale treatment of wastewater becomes possible.
【００１３】団粒ろ材として、このような焼赤玉土や鹿
沼土を用いることにより、実験の結果、汚水成分の充分
な除去と大量処理ができたからである。[0013] The use of such a fired red clay and Kanuma soil as the aggregate filter media has resulted in sufficient removal of wastewater components and large-scale treatment as a result of experiments.
【００１４】ここで、焼赤玉土とは、土に有機物を混
ぜ、１０００℃〜１５００℃の高温で焼成したものい
う。また、鹿沼土とは軽石質の火山灰砂礫が風化した黄
色の玉土をいう。Here, the fired red clay is a material obtained by mixing an organic substance with soil and firing at a high temperature of 1000 ° C. to 1500 ° C. Kanuma soil refers to a yellow gem that has weathered pumiceous volcanic ash and gravel.
【００１５】請求項３に記載の発明は、請求項１又は２
に記載の発明において、前記団粒ろ材は、粒径が２〜
４．７５ｍｍであることを特徴とするものである。[0015] The third aspect of the present invention is the first or second aspect.
In the invention described in 5, the aggregated filter medium has a particle size of 2 to
4.75 mm.
【００１６】この請求項３に記載の発明によれば、請求
項１又は２に記載の作用効果を奏するとともに、団粒ろ
材の粒径を適当な範囲とするのは、ろ材間に適当な空隙
ができ、更に充填部の目詰まりを防止できるとともに汚
水処理能力に優れるからである。即ち、粒子径が小さい
ほど汚水と団粒ろ材との接触面積が増え汚水処理能力に
優れることから、粒子径が４．７５ｍｍより大きいと汚
水処理を行なうために滞留時間が長く必要となり、２ｍ
ｍより小さいくすると滞留時間を短くできるものの目詰
まりを起こし易すくなるため汚水の処理量が制限される
からである。According to the third aspect of the present invention, the function and effect of the first or second aspect are exhibited, and the particle size of the aggregated filter medium is set to an appropriate range because an appropriate gap is provided between the filter media. This makes it possible to prevent clogging of the filling portion and to excel in sewage treatment capacity. That is, the smaller the particle size, the larger the contact area between the sewage and the aggregated filter medium and the better the sewage treatment capacity. If the particle size is larger than 4.75 mm, the residence time is longer for performing the sewage treatment, and 2 m
If it is smaller than m, the residence time can be shortened, but clogging is likely to occur, so that the amount of wastewater to be treated is limited.
【００１７】請求項４に記載の発明は、請求項１乃至３
のいずれかに記載の発明において、前記接触処理槽内の
水位を調整する制御装置を備え、制御装置の制御によ
り、充填部の団粒ろ材を所定時間空気中に露出すること
を特徴とするものである。The invention described in claim 4 is the first to third aspects of the present invention.
The invention according to any one of the above, further comprising a control device for adjusting a water level in the contact treatment tank, and exposing the aggregated filter medium of the filling section to air for a predetermined time under the control of the control device. It is.
【００１８】請求項４に記載の発明によれば、請求項１
乃至３のいずれかに記載の作用効果を奏するとともに、
充填された団粒ろ材を任意の時期に所定時間空気中に露
出し、団粒ろ材に酸素を供給することで、団粒ろ材の浄
化能力を回復しあるいは維持することができ、回分方式
による連続的な自動運転が可能であり、汚水の大量処理
が可能になる。According to the invention of claim 4, according to claim 1,
In addition to the effects described in any one of (1) to (3),
By exposing the filled aggregated filter media to the air at an arbitrary time for a predetermined period of time and supplying oxygen to the aggregated filter media, the purification ability of the aggregated filter media can be recovered or maintained, and the batch system can be continuously used. Automatic operation is possible, and a large amount of wastewater can be treated.
【００１９】[0019]
【発明の実施の形態】以下、本発明の実施の形態を添付
図面を参照して詳細に説明する。まず、図１を参照し
て、本発明の第１実施の形態について説明する。第１実
施の形態にかかる汚水浄化装置１は、受水槽３と、接触
処理槽５とを備えており、接触処理槽５に設けた団粒ろ
材６の充填部７に汚水を接触させて浄化するものであ
る。Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. First, a first embodiment of the present invention will be described with reference to FIG. The sewage purification apparatus 1 according to the first embodiment includes a water receiving tank 3 and a contact treatment tank 5, and purifies the waste water by contacting the sewage with a filling portion 7 of the aggregated filter medium 6 provided in the contact treatment tank 5. Is what you do.
【００２０】受水槽３には、処理するべき汚水が流入さ
れ、接触処理槽５に供給する汚水の量を調整している。
この受水槽３には、底部に汚水供給ポンプ９が設けられ
ており、受水槽３内の汚水を接触処理槽５に移送するよ
うになっている。The wastewater to be treated flows into the water receiving tank 3, and the amount of the wastewater supplied to the contact treatment tank 5 is adjusted.
A sewage supply pump 9 is provided at the bottom of the water receiving tank 3 so that the sewage in the water receiving tank 3 is transferred to the contact treatment tank 5.
【００２１】接触処理槽５には、団粒ろ材６の充填部７
が設けられており、接触処理槽５内の汚水が団粒ろ材６
に接触して汚水の浄化を図っている。充填部７は、接触
処理槽５の底部１３との間に距離を持って設けられてい
るとともに、接触処理槽５内に汚水を満たしたときには
充填部７の全体が浸漬するように、接触処理槽５の上下
方向に設けている。The contact treatment tank 5 has a filling portion 7
Sewage in the contact treatment tank 5
Is in contact with to purify sewage. The filling section 7 is provided at a distance from the bottom section 13 of the contact processing tank 5, and the contact processing is performed so that the entire filling section 7 is immersed when the contact processing tank 5 is filled with sewage. It is provided in the vertical direction of the tank 5.
【００２２】充填部７に充填される団粒ろ材６は、焼赤
玉土又は鹿沼土を粒状化したものであり、土粒子が４．
７５〜２ｍｍのものが好ましい。本実施の形態では、焼
赤玉土は、土に有機物をまぜたものを約１１００℃で焼
成したものであり、微生物の高度集積が可能となってい
る。一方、鹿沼土は、軽石質の火山灰砂礫が風化した黄
色の玉土であり、通気性及び保水性が高い。The aggregated filter medium 6 filled in the filling section 7 is obtained by granulating burnt red clay or Kanuma soil, and has a soil particle of 4.
Those having a thickness of 75 to 2 mm are preferred. In the present embodiment, the baked red clay is obtained by firing a mixture of soil and organic matter at about 1100 ° C., and enables a high accumulation of microorganisms. On the other hand, the Kanuma soil is a yellow gem in which pumice-like volcanic ash and sand is weathered, and has high air permeability and water retention.
【００２３】接触処理槽５の底部１３には、接触処理槽
内の処理水を排出する排出ポンプ１５が設けられている
とともに、水位検知器１７が設けられており、排出ポン
プ１５の駆動により、接触処理槽内の水位が排出ポンプ
１５近辺まで下がって充填部７を空気中に露出した場合
にこれを検知している。At the bottom portion 13 of the contact treatment tank 5, a discharge pump 15 for discharging treated water in the contact treatment tank is provided, and a water level detector 17 is provided. This is detected when the water level in the contact treatment tank drops to the vicinity of the discharge pump 15 to expose the filling portion 7 to the air.
【００２４】制御装置１９は、上述した汚水移送ポンプ
９、処理水排出ポンプ１５及び水位検知器１７に接続さ
れており、水位検知器１７の検知信号に応じて汚水移送
ポンプ９及び処理水排出ポンプ１５の駆動を制御してい
る。The control device 19 is connected to the sewage transfer pump 9, the treated water discharge pump 15, and the water level detector 17, and according to the detection signal of the water level detector 17, the sewage transfer pump 9 and the treated water discharge pump are connected. 15 is controlled.
【００２５】本実施の形態では、汚水移送ポンプ９の駆
動により受水槽３内の汚水を移送し、接触処理槽５を汚
水で満たした後、汚水移送ポンプ９の駆動を停止する。
接触処理槽５内では、満たされた汚水を所定時間に滞留
させて、団粒ろ材６に接触させて浄化し、その後処理水
を充填部７の下方から排水ポンプ１５により排出する。In the present embodiment, the sewage transfer pump 9 is driven to transfer sewage in the water receiving tank 3, and after the contact treatment tank 5 is filled with sewage, the drive of the sewage transfer pump 9 is stopped.
In the contact treatment tank 5, the filled sewage is retained for a predetermined time, is brought into contact with the aggregated filter medium 6 and purified, and then the treated water is discharged from below the filling section 7 by the drain pump 15.
【００２６】団粒ろ材６では、汚水に接触すると、微生
物による酸化作用と吸着とを行ない、ＣＯＤ及びリン等
の汚水成分を除去する。When the aggregate filter medium 6 comes into contact with wastewater, it performs an oxidizing action and adsorption by microorganisms to remove wastewater components such as COD and phosphorus.
【００２７】接触処理槽５内における汚水の滞留時間
は、汚水中の汚水成分や汚水の種類に応じて異なるもの
であり、処理するべき汚水のＣＯＤ成分及びＴ−Ｐ（ト
ータルリン）濃度又は、目標処理水の水質としてのＣＯ
Ｄ成分及びＴ−Ｐ（トータルリン）濃度によって変え
る。The residence time of the sewage in the contact treatment tank 5 varies depending on the sewage component and the type of sewage in the sewage, and the COD component and TP (total phosphorus) concentration of the sewage to be treated or CO as target water quality
Varies depending on D component and TP (total phosphorus) concentration.
【００２８】例えば、処理するべき汚水が、雑排水のよ
うに比較的ＣＯＤ濃度が高い場合には、ＣＯＤとＴ−Ｐ
を同時に除去するため滞留時間は５時間程度に設定する
ことが好ましい。また、処理するべき汚水が浄化槽処理
水の場合で、浄化槽処理水からＴ−Ｐを除去することを
目的とする場合には、滞留時間を１時間程度に設定する
ことが好ましい。For example, when the wastewater to be treated has a relatively high COD concentration such as gray water, COD and TP
It is preferable to set the residence time to about 5 hours in order to simultaneously remove the water. When the wastewater to be treated is the septic tank treated water, and the purpose is to remove the T-P from the septic tank treated water, the residence time is preferably set to about one hour.
【００２９】このような本実施の形態では、汚水を充填
部７に充填された団粒ろ材６に接触させているので、粒
子内部に様々な隙間が存在し、微生物の高度集積が可能
となり、効率良く汚水中の有機物を酸化分解処理可能で
あり、汚水の浄化処理能力が高い。しかも、リン成分は
団粒ろ材の粒子内部での吸着除去が可能であり、リンの
除去能力も高い。In this embodiment, since the wastewater is brought into contact with the aggregated filter medium 6 filled in the filling section 7, there are various gaps inside the particles, and high accumulation of microorganisms becomes possible. Organic matter in wastewater can be efficiently oxidatively decomposed, and the wastewater has a high purification treatment capacity. Moreover, the phosphorus component can be adsorbed and removed inside the particles of the aggregated filter medium, and the phosphorus removal ability is high.
【００３０】また、本実施の形態では、接触処理槽５に
おいて、汚水を所定時間滞留させ、団粒ろ材６に接触さ
せて浄化処理をした後、排水ポンプ１５により処理水を
排出して、接触処理槽内の水面を下げ、充填部７に充填
されている団粒ろ材６を空気中に露出させる。これによ
り、団粒ろ材６が空気を取り込み、生物活性を図ること
ができ、浄化処理能力を維持し又は高めることができ
る。Further, in the present embodiment, in the contact treatment tank 5, the sewage is retained for a predetermined time, and the sewage is brought into contact with the aggregate filter medium 6 to purify the treated water. The water level in the treatment tank is lowered, and the aggregated filter medium 6 filled in the filling section 7 is exposed to the air. Thereby, the aggregated filter medium 6 can take in air, achieve biological activity, and maintain or enhance the purification treatment capacity.
【００３１】図２は、本発明の第２実施の形態を示すも
のであり、この汚水処理装置１は、上述した実施の形態
で説明した回分処理を自動的に且つ連続的に行なうもの
である。尚、以下に説明する実施の形態では、上述した
第１実施の形態と同一の作用を奏する部分には同一の符
号を付することにより、その部分の詳細な説明を省略
し、第１実施の形態と異なる点を主に説明する。FIG. 2 shows a second embodiment of the present invention. This sewage treatment apparatus 1 automatically and continuously performs the batch treatment described in the above embodiment. . In the embodiment described below, the same reference numerals are given to portions having the same operations as those in the above-described first embodiment, and the detailed description of those portions is omitted, and the first embodiment is omitted. The differences from the embodiment will be mainly described.
【００３２】この第２実施の形態では、制御装置１９に
は、演算装置２１及び設定装置２３が接続されており、
予め設定装置２３で設定された滞留時間に応じて、演算
装置２１では、汚水移送ポンプ９と排水ポンプ１５とを
駆動する時間を演算し、制御装置１９により所定の時期
に汚水移送ポンプ９と排水ポンプ１５とを駆動するもの
である。In the second embodiment, an arithmetic unit 21 and a setting unit 23 are connected to the control unit 19,
In accordance with the residence time set in advance by the setting device 23, the calculating device 21 calculates the time for driving the sewage transfer pump 9 and the drainage pump 15, and the control device 19 causes the sewage transfer pump 9 and the drainage This is for driving the pump 15.
【００３３】次に、粒状の焼赤玉土と鹿沼土とを用いて
その汚水浄化能力を評価する試験を行なったので、その
内容を説明する。Next, a test was conducted to evaluate the sewage purification ability of granular burnt red soil and Kanuma soil, and the details will be described.
【００３４】[0034]
【試験例１】団粒ろ材として粒径４．７５〜２ｍｍの焼
赤玉土及び粒径４．７５〜２ｍｍの鹿沼土を用い、比較
例として粒径２．５０のガラスビーズを用いた。これら
の各ろ材をカラムに充填し、模擬汚水を各カラムに流入
して所定日数（時間）経過毎に処理水をサンプリング
し、その汚水成分であるＣＯＤ、Ｔ−Ｐを測定した。そ
の結果を図３及び図４に示す。Test Example 1 Burned reddish clay having a particle size of 4.75 to 2 mm and Kanuma soil having a particle size of 4.75 to 2 mm were used as aggregate filter media, and glass beads having a particle size of 2.50 were used as a comparative example. Each of these filter media was packed in a column, simulated sewage was flowed into each column, and treated water was sampled every predetermined number of days (hours), and the sewage components COD and TP were measured. The results are shown in FIGS.
【００３５】模擬汚水の負荷速度は５００リットル／ｍ
2 ／ｄ(日)、模擬汚水の濃度はＣＯＤが９４．７ｍｇ／
リットル、Ｔ−Ｐが２．９ｍｇ／リットル、Ｔ−Ｎが１
２．７ｍｇ／リットルとした。The load speed of the simulated wastewater is 500 liter / m.
2 / d (day), the concentration of simulated sewage was 94.7 mg / COD.
Liter, TP: 2.9 mg / liter, TN: 1
It was 2.7 mg / liter.
【００３６】図３は、実施例及び比較例におけるＣＯＤ
の経時変化を示すグラフであり、横軸が経過日数、縦軸
がＣＯＤ濃度である。このグラフから明らかなように、
焼赤玉土及び鹿沼土の団粒ろ材では、いずれも比較例の
ガラスビーズよりも処理水に中のＣＯＤが低く、団粒ろ
材が高い浄化能力を有することが分かる。しかも、経過
日数が約１２０日という長い時間であってもほとんど変
わらない処理能力を維持することできた。FIG. 3 is a graph showing the COD in Examples and Comparative Examples.
Is a graph showing the time-dependent change of the time, with the horizontal axis representing the elapsed days and the vertical axis representing the COD concentration. As is clear from this graph,
It can be seen that the aggregated filter media of the burnt red clay and the Kanuma soil both have lower COD in the treated water than the glass beads of the comparative example, and that the aggregated filter media have a higher purification ability. In addition, even when the elapsed time is as long as about 120 days, the processing capacity which is almost the same can be maintained.
【００３７】図４は、図３のグラフと同様に、焼赤玉
土、鹿沼土、ガラスビーズにおけるＴ−Ｐの経時変化を
示すグラフであり、横軸が経過日数、縦軸がＴ−Ｐ濃度
である。このグラフからも明らかなように、Ｔ−Ｐの除
去においても、焼赤玉土及び鹿沼土の団粒ろ材はガラス
ビーズよりも処理水浄化能力が高いとともに、その処理
能力は長期間が経過してほとんど変わらなかった。FIG. 4 is a graph showing the time-dependent changes of TP in the fired red clay, Kanuma soil and glass beads, similarly to the graph of FIG. 3, in which the horizontal axis represents the elapsed days and the vertical axis represents the TP concentration. It is. As is clear from this graph, even in the removal of T-P, the aggregated filter media of baked red clay and Kanuma soil have a higher treated water purification ability than glass beads, and the treated ability has passed over a long period of time. Hardly changed.
【００３８】[0038]
【試験例２】上述した模擬汚水を焼赤玉土に浸漬して、
その浸漬時間毎のＣＯＤ及びＴ−Ｐを測定したので、そ
の結果を図５及び図６に示す。図５は、浸漬時間におけ
るＣＯＤの除去率を示すグラフであり、横軸が浸漬時
間、縦軸がＣＯＤ濃度である。この図５のグラフから明
らかなように、焼赤玉土の団粒ろ材では、０．５ｈ（時
間）以上の浸漬時間で充分なＣＯＤ除去率を得ることが
できた。また、図６は、浸漬時間におけるＴ−Ｐの除去
率を示すグラフであり、横軸が浸漬時間、縦軸がＴ−Ｐ
濃度である。このグラフから明らかなように、Ｔ−Ｐの
除去においても、０．５ｈ以上の浸漬時間で充分なＴ−
Ｐの除去率を得ることができた。Test Example 2 The simulated sewage described above was immersed in baked red clay,
The COD and TP for each immersion time were measured, and the results are shown in FIGS. FIG. 5 is a graph showing the COD removal rate during the immersion time, wherein the horizontal axis represents the immersion time and the vertical axis represents the COD concentration. As is clear from the graph of FIG. 5, with the aggregated filter medium of the burnt red clay, a sufficient COD removal rate could be obtained with the immersion time of 0.5 h (hour) or more. FIG. 6 is a graph showing the TP removal rate during the immersion time, wherein the horizontal axis represents the immersion time and the vertical axis represents the TP
Concentration. As is clear from this graph, even in the removal of TP, a sufficient immersion time of 0.5 h or more is sufficient for TP.
The removal rate of P could be obtained.
【００３９】尚、鹿沼土についても試験をおこなったと
ころ同様な結果を得ることができた。When a test was conducted on Kanuma soil, similar results were obtained.
【００４０】上述した試験例１及び試験例２から明らか
なように、本実施の形態によれば、汚水浄化装置は、団
粒ろ材を用いた汚水の接触処理において、回分式の処理
を連続して行なう大量の汚水処理に優れる。As is clear from Test Examples 1 and 2 described above, according to the present embodiment, the wastewater purifying apparatus continuously performs a batch type treatment in the contact treatment of the wastewater using the aggregated filter medium. It is excellent for large-scale wastewater treatment.
【００４１】本発明は、上述した実施の形態に限定され
ず、本発明の要旨を逸脱しない範囲で種々変形が可能で
ある。The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention.
【００４２】例えば、上述した実施の形態では、接触処
理槽５内への汚水の流入は、槽の上部から行なったが、
これに限らず、接触処理槽５の底部に汚水を供給するも
のであってもよい。For example, in the above-described embodiment, the inflow of sewage into the contact treatment tank 5 was performed from the top of the tank.
The present invention is not limited to this, and may supply sewage to the bottom of the contact treatment tank 5.
【００４３】接触処理槽５において、団粒ろ材６に接触
した後の排水は、ポンプに限らず、サイホン等の他の排
出手段であって同様な効果を得ることができる。In the contact treatment tank 5, the drainage after coming into contact with the aggregated filter medium 6 is not limited to the pump, but may be other discharge means such as a siphon, and the same effect can be obtained.
【００４４】また、上述した実施の形態では、汚水処理
を回分式で処理する例を説明したが、連続的に汚水の供
給と処理水の排出とを行なうものであってもよい。Further, in the above-described embodiment, an example in which the wastewater treatment is performed in a batch manner has been described. However, the supply of the wastewater and the discharge of the treated water may be performed continuously.
【００４５】尚、充填部７における団粒ろ材６の充填方
法や充填の仕方は特に制限されない。The method for filling and filling the aggregated filter medium 6 in the filling section 7 is not particularly limited.
【００４６】[0046]
【発明の効果】請求項１に記載の発明によれば、土壌を
粒状に形成した団粒ろ材を汚水に接触させて汚水の浄化
を図る構成であるから、目詰まりを防止し大量の汚水処
理に優れるとともに、団粒ろ材は、通気性が良いので、
生物による酸化作用が促進され、ＣＯＤ及びリン等の汚
水成分を充分に除去できる。According to the first aspect of the present invention, since the aggregated filter medium in which the soil is formed in granular form is brought into contact with the sewage to purify the sewage, clogging is prevented and a large amount of sewage is treated. As it is excellent, the aggregate filter medium has good air permeability,
Oxidation by living organisms is promoted, and sewage components such as COD and phosphorus can be sufficiently removed.
【００４７】更に、汚水は、接触処理槽内において充填
部の下部から排出しているので、接触処理槽内の汚水の
滞留時間または団粒ろ材の浸漬時間と空気中への露出時
間を容易に調整でき、汚水の種類や目標処理水に応じた
処理がし易い。Further, since the sewage is discharged from the lower part of the filling section in the contact treatment tank, the residence time of the sewage in the contact treatment tank or the immersion time of the aggregated filter medium and the exposure time to the air can be easily set. It can be adjusted and can be easily treated according to the type of sewage and target treated water.
【００４８】請求項２に記載の発明によれば、請求項１
に記載の効果を奏するとともに、団粒ろ材として焼赤玉
土または鹿沼土を用いているので、特に、汚水成分の除
去に優れる。According to the invention described in claim 2, according to claim 1
In addition to the effects described in (1), the use of roasted red clay or Kanuma soil as the aggregate filter medium is particularly excellent in removing sewage components.
【００４９】請求項３に記載の発明によれば、請求項１
又は２に記載の効果を奏するとともに、ろ材間に適当な
空隙ができ、充填部の目詰まりを防止するとともに汚水
処理能力に優れる。According to the invention described in claim 3, according to claim 1
Or the effect described in 2 above, and an appropriate gap is formed between the filter media, thereby preventing clogging of the filling portion and having excellent sewage treatment ability.
【００５０】請求項４に記載の発明によれば、請求項１
〜３のいずれかに記載の効果を奏するとともに、充填さ
れた団粒ろ材を任意の時期に所定時間空気中に露出し、
ろ材に酸素を供給することで、ろ材の浄化能力を回復し
あるいは維持することができ、連続的に長時間の汚水処
理と汚水の大量処理とが自動的運転可能になる。According to the fourth aspect of the present invention, the first aspect is provided.
And the exposed aggregated filter medium is exposed to the air for a predetermined time at any time,
By supplying oxygen to the filter medium, the purification ability of the filter medium can be restored or maintained, and continuous long-time sewage treatment and large-scale treatment of sewage can be automatically operated.
【図１】本発明の第１実施の形態にかかる汚水処理装置
の概略的構成図である。FIG. 1 is a schematic configuration diagram of a sewage treatment apparatus according to a first embodiment of the present invention.
【図２】第２実施の形態にかかる汚水処理装置の概略的
構成図である。FIG. 2 is a schematic configuration diagram of a sewage treatment apparatus according to a second embodiment.
【図３】本発明にかかる団粒ろ材及び比較例を用いた試
験例であり、汚水中のＣＯＤの経時変化を示すグラフで
ある。FIG. 3 is a test example using the aggregated filter medium according to the present invention and a comparative example, and is a graph showing a temporal change of COD in sewage water.
【図４】本発明にかかる団粒ろ材及び比較例を用いた試
験例であり、汚水中のＴ―Ｐの経時変化を示すグラフで
ある。FIG. 4 is a test example using the aggregated filter media according to the present invention and a comparative example, and is a graph showing a temporal change of TP in sewage water.
【図５】本発明にかかる団粒ろ材の浸漬時間とＣＯＤの
除去率の関係を示すグラフである。FIG. 5 is a graph showing the relationship between the immersion time of the aggregated filter medium and the COD removal rate according to the present invention.
【図６】本発明にかかる団粒ろ材の浸漬時間とＴ−Ｐの
除去率の関係を示すグラフである。FIG. 6 is a graph showing the relationship between the immersion time of the aggregated filter medium and the TP removal rate according to the present invention.
１ 汚水処理装置 ３ 受水槽 ５ 接触処理槽 ６ 団粒ろ材 ７ 充填部 ９ 汚水移送ポンプ １５ 排出ポンプ（排出手段） １９ 制御装置 DESCRIPTION OF SYMBOLS 1 Sewage treatment apparatus 3 Water receiving tank 5 Contact treatment tank 6 Agglomerated filter medium 7 Filling part 9 Sewage transfer pump 15 Discharge pump (discharge means) 19 Control device
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｂ０１Ｄ 29/60 Ｂ０１Ｄ 23/26 Ｚ Ｃ０２Ｆ 1/28 3/10 (71)出願人 000195834 西原ネオ工業株式会社 東京都港区芝浦３丁目６番18号 (72)発明者 石崎 勝義 長崎県長崎市文教町１−14 長崎大学内 (72)発明者 杉山 和一 長崎県長崎市文教町１−14 長崎大学内 (72)発明者 石橋 康弘 長崎県長崎市文教町１−14 長崎大学内 (72)発明者 糸永 貴範 長崎県長崎市清水町21−24−203 Ｆターム(参考） 4D003 AA01 AB02 BA02 CA10 EA01 EA23 EA26 FA05 4D024 AA04 AB02 AB12 BA01 BA04 BA05 BA16 BB01 BB06 BC01 CA01 DA03 DA05 DB03 DB15 4D041 BA02 BB02 BB05 BB08 BB12 BB14 BD16 BD17 CA03 CA08 CB04 CB08 ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) B01D 29/60 B01D 23/26 Z C02F 1/28 3/10 (71) Applicant 000195834 Nishihara Neo Industrial Co., Ltd. (72) Inventor Katsuyoshi Ishizaki, 1-14 Bunkyocho, Nagasaki City, Nagasaki Prefecture, Nagasaki Prefecture, Japan (72) Inventor Kazuichi Sugiyama, 1-14 Bunkyocho, Nagasaki City, Nagasaki Prefecture, Nagasaki University (72) Inventor Yasuhiro Ishibashi 1-14 Bunkyo-cho, Nagasaki City, Nagasaki Prefecture Inside Nagasaki University (72) Takanori Itonaga 21-24-203, Shimizu-cho, Nagasaki City, Nagasaki Prefecture F-term (reference) 4D003 AA01 AB02 BA02 CA10 EA01 EA23 EA26 FA05 4D024 AA04 AB02 AB12 BA01 BA04 BA05 BA16 BB01 BB06 BC01 CA01 DA03 DA05 DB03 DB15 4D041 BA02 BB02 BB05 BB08 BB12 BB14 BD16 BD17 CA03 CA08 CB04 CB08
Claims (4)
と、土壌を粒状に成形してなる団粒ろ材の充填部を有し
汚水を団粒ろ材に接触させる接触処理槽と、受水槽の汚
水を接触処理槽に移送する汚水供給手段と、充填部に浸
漬した後の処理水を充填部の下部から排出する排出手段
とを備えることを特徴とする汚水浄化装置。1. A water receiving tank to which sewage to be treated is supplied, a contact treatment tank having a filling portion of an aggregated filter medium formed by shaping the soil into granules, and contacting the sewage with the aggregated filter medium; A sewage purification apparatus comprising: sewage supply means for transferring sewage to a contact treatment tank; and discharge means for discharging treated water immersed in the filling section from below the filling section.
であることを特徴とする請求項１に記載の汚水浄化装
置。2. The sewage purification apparatus according to claim 1, wherein the aggregate filter medium is made of burnt red clay or Kanuma soil.
ｍであることを特徴とする請求項１又は２に記載の汚水
浄化装置。3. The aggregate filter medium has a particle size of 2 to 4.75 m.
The sewage purification device according to claim 1, wherein m is m.
装置を備え、制御装置の制御により、充填部の団粒ろ材
を所定時間空気中に露出することを特徴とする請求項１
〜３のいずれかに記載の汚水浄化装置。4. The apparatus according to claim 1, further comprising a control device for adjusting a water level in the contact treatment tank, wherein the aggregated filter medium in the filling section is exposed to air for a predetermined time under the control of the control device.
A sewage purification apparatus according to any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000193712A JP2002001372A (en) | 2000-06-28 | 2000-06-28 | Sewage cleaning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000193712A JP2002001372A (en) | 2000-06-28 | 2000-06-28 | Sewage cleaning apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002001372A true JP2002001372A (en) | 2002-01-08 |
Family
ID=18692655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000193712A Pending JP2002001372A (en) | 2000-06-28 | 2000-06-28 | Sewage cleaning apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002001372A (en) |
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| JP2011252293A (en) * | 2010-06-01 | 2011-12-15 | Aqua Project Inc | Circulation type simple toilet |
| CN104474787A (en) * | 2014-12-08 | 2015-04-01 | 西安建筑科技大学 | Filter material for sewage treatment and preparation method for filter material for sewage treatment |
| CN109179520A (en) * | 2018-07-19 | 2019-01-11 | 深圳安吉尔饮水产业集团有限公司 | Using the method and water purifier of the estimated filter element life of water quality indicator |
| CN113072202A (en) * | 2020-10-12 | 2021-07-06 | 谈震 | Quick collecting and transferring device for printing and dyeing wastewater |
| JP2021133344A (en) * | 2020-02-28 | 2021-09-13 | 国立大学法人 宮崎大学 | Particulate adsorbent and method for producing the same |
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| JP7511828B2 (en) | 2020-02-28 | 2024-07-08 | 国立大学法人 宮崎大学 | Microparticle adsorbent and its manufacturing method |
| CN113072202A (en) * | 2020-10-12 | 2021-07-06 | 谈震 | Quick collecting and transferring device for printing and dyeing wastewater |
| CN113072202B (en) * | 2020-10-12 | 2022-12-06 | 江苏思泰博减震科技有限公司 | Quick collecting and transferring device for printing and dyeing wastewater |
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