JPS6221355Y2 - - Google Patents
Info
- Publication number
- JPS6221355Y2 JPS6221355Y2 JP1982069321U JP6932182U JPS6221355Y2 JP S6221355 Y2 JPS6221355 Y2 JP S6221355Y2 JP 1982069321 U JP1982069321 U JP 1982069321U JP 6932182 U JP6932182 U JP 6932182U JP S6221355 Y2 JPS6221355 Y2 JP S6221355Y2
- Authority
- JP
- Japan
- Prior art keywords
- treated water
- water
- fluidized bed
- fixed bed
- 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.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 238000011282 treatment Methods 0.000 claims description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000000969 carrier Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 244000005700 microbiome Species 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000010800 human waste Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
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
- Biological Treatment Of Waste Water (AREA)
Description
【考案の詳細な説明】
本考案は、し尿や都市下水あるいは産業廃水等
の被処理水を生物膜付着担体によつて処理する水
処理装置に関する。[Detailed Description of the Invention] The present invention relates to a water treatment device for treating water to be treated, such as human waste, urban sewage, or industrial wastewater, using a biofilm-attached carrier.
上記装置としては、従来一般に、生物膜付着担
体によつて流動床を形成し、その流動床で処理し
た後の処理水を沈澱池に供給し、浮遊物を除去す
るものであつた。ところが、沈澱池の設置に大き
な敷地が必要で、設備費が高価につく欠点があつ
た。 Conventionally, the above-mentioned apparatus generally forms a fluidized bed using a biofilm-attached carrier, and supplies the treated water treated in the fluidized bed to a sedimentation tank to remove suspended matter. However, the disadvantage was that a large site was required to install the sedimentation basin, and the equipment cost was high.
本考案は、上記の点に鑑み、沈澱池を設ける事
無く浮遊物を除去できるようにして設備費の安価
な水処理装置を提供できるようにすると共に、簡
単な構成の付加によつて生物処理性能を向上でき
るようにすることを目的とする。 In view of the above points, the present invention has been developed to provide a water treatment device that can remove floating matter without providing a sedimentation tank and has low equipment costs, and also to provide a biological treatment system by adding a simple configuration. The purpose is to improve performance.
次に、本考案の実施例を例示図に基いて詳述す
る。 Next, embodiments of the present invention will be described in detail based on illustrative drawings.
処理槽１に上下方向二段にスクリーン２ａ，２
ｂを設け、下側のスクリーン２ｂより下方に、浮
遊流動状態で、生物膜付着担体３…を収容して流
動床４を形成すると共に、上側二個のスクリーン
２ａ，２ｂ間に、生物膜付着担体５…を充填して
固定床６を形成し、かつ、処理槽１の下部に、原
水槽７からの被処理水を供給する供給路８を連通
接続すると共に、処理槽１の上部に処理済水の取
出路９を連通接続し、そして、前記給水路８に、
ブロアー１０に接続の散気管１１を備えた酸素溶
解装置１２を介装してあり、し尿や都市下水ある
いは産業廃水等を一次処理した後の被処理水を、
酸素溶解装置１２を通した後に処理槽１の下部に
供給すると共に上昇流動により流動床４及び固定
床６を通過させて生物処理し、取出路９を通じて
処理水槽１３に回収していくように水処理装置を
構成してある。 Screens 2a, 2 are installed in two stages in the vertical direction in the processing tank 1.
b, and below the lower screen 2b, the biofilm-adhered carriers 3 are accommodated in a floating fluid state to form a fluidized bed 4, and between the upper two screens 2a and 2b, the biofilm-adhered carriers 3... A fixed bed 6 is formed by filling carriers 5 . . . , and a supply channel 8 for supplying water to be treated from a raw water tank 7 is connected to the lower part of the treatment tank 1 . A draining water outlet 9 is connected in communication with the water supply channel 8, and
An oxygen dissolving device 12 equipped with an aeration pipe 11 connected to the blower 10 is installed, and the water to be treated after primary treatment of human waste, urban sewage, industrial wastewater, etc.
After passing through the oxygen dissolving device 12, the water is supplied to the lower part of the treatment tank 1, passed through the fluidized bed 4 and the fixed bed 6 by upward flow, subjected to biological treatment, and then recovered to the treated water tank 13 through the take-out passage 9. A processing device is configured.
前記流動床４の上部に回収パイプ１４を設ける
と共に、その回収パイプ１４と酸素溶解装置１２
とを循環流路１５を介して連通接続してあり、処
理水を流動床４において循環流動させ、担体３…
に付着した微生物と処理水との接触効率を高めて
曝気処理を良好に行えるように構成してある。 A recovery pipe 14 is provided above the fluidized bed 4, and the recovery pipe 14 and the oxygen dissolving device 12 are connected to each other.
The treated water is circulated and fluidized in the fluidized bed 4, and the carrier 3...
The structure is designed to improve the contact efficiency between the microorganisms attached to the water and the treated water, and to perform the aeration process well.
処理槽１の上部と原水槽７とにわたつて、バル
ブV4を介装した逆洗水の取出路１６を連通接続
すると共に、処理水槽１３と供給路８における第
２ポンプP2より上流箇所とにわたつて第１バルブ
V1を介装した連通路１７を接続してあり、固定
床６で目詰まりを生じた時に、供給路８、原水槽
７の出口、処理済水の取出口９及び循環流路１５
に介装したバルブV5，V6，V2，V3を閉じ、ポン
プP1を駆動停止し、連通路１７に介装したバルブ
V1を開け、処理水槽１３から処理済水を、処理
槽１に処理水流動方向と同方向に加圧供給して逆
洗処理するように構成してある。又、酸素溶解装
置１２の高さを処理槽１より高くする場合には適
宜ポンプを介装し、上記のような水の流れになる
ようにする。 The upper part of the treatment tank 1 and the raw water tank 7 are connected to the backwash water take-out passage 16 with the valve V 4 interposed therebetween, and the upper part of the treatment tank 13 and the supply passage 8 are connected to the upper part of the second pump P 2 . First valve
A communication passage 17 with a V 1 interposed therebetween is connected, and when clogging occurs in the fixed bed 6, the supply passage 8, the outlet of the raw water tank 7, the treated water outlet 9 and the circulation passage 15 are connected.
The valves V 5 , V 6 , V 2 , and V 3 installed in the communication passage 17 are closed, and the pump P 1 is stopped.
V 1 is opened and treated water is supplied from the treated water tank 13 to the treatment tank 1 under pressure in the same direction as the flow direction of the treated water for backwashing. In addition, when the height of the oxygen dissolving device 12 is made higher than the processing tank 1, a pump is appropriately installed to achieve the water flow as described above.
前記固定床６を形成するに、その担体５…をリ
ン吸着材で構成すれば、生物処理及びろ過処理に
加えて脱リン処理も可能となる。又、固定床６を
嫌気性にすれば脱窒処理も可能である。 When forming the fixed bed 6, if the carrier 5 is made of a phosphorus adsorbent, dephosphorization treatment can be performed in addition to biological treatment and filtration treatment. Moreover, if the fixed bed 6 is made anaerobic, denitrification treatment is also possible.
本考案としては、流動床４の下方に固定床６を
形成し、処理水を下降流動させるものでも良い。 In the present invention, a fixed bed 6 may be formed below the fluidized bed 4, and the treated water may be allowed to flow downward.
本考案による水処理装置は廃水処理システムに
おける三次処理にも適用できる。 The water treatment device according to the present invention can also be applied to tertiary treatment in wastewater treatment systems.
前記担体３…，５…としては、砂、アンスラサ
イト、活性炭、合成樹脂、モミガラ、鉄粉等を適
当な組合わせによつて、あるいは、択一的に使用
すれば良い。 As the carriers 3..., 5..., sand, anthracite, activated carbon, synthetic resin, rice husk, iron powder, etc. may be used in a suitable combination or alternatively.
以上要するに、本考案による水処理装置は、生
物膜付着担体３…を浮遊流動させる流動床４と生
物膜付着担体５…を充填する固定床６とを、処理
水の流動方向に沿つてその順に処理槽１内に設け
ると共に、前記固定床６より処理水流動方向下手
側に処理済水の取出路９を設け、前記流動床４と
固定床６との境界部から引抜いた処理水を、酸素
溶解装置１２を通して前記流動床４の処理水流動
方向上手側に還元する処理水の循環流路１５を設
けたことを特徴とするので、次の作用効果が得ら
れる。 In summary, the water treatment device according to the present invention has a fluidized bed 4 in which biofilm-attached carriers 3 are suspended and fluidized and a fixed bed 6 filled with biofilm-attached carriers 5 in that order along the flow direction of treated water. A treated water extraction passage 9 is provided in the treatment tank 1 and on the downstream side of the fixed bed 6 in the flow direction of the treated water, and the treated water extracted from the boundary between the fluidized bed 4 and the fixed bed 6 is oxygenated. Since the treatment water circulation passage 15 is provided on the upper side of the fluidized bed 4 in the flow direction of the treated water through the dissolving device 12, the following effects can be obtained.
つまり、流動床４において、担体３…に付着さ
せた微生物と処理水とを効率良く接触させなが
ら、更に、固定床６において、微生物と処理水と
を接触させて生物処理を促進するのみならず、浮
遊物をろ過処理によつて分離でき、浮遊物除去の
ための沈澱池を不要にして設備費の安価な水処理
装置を提供できた。 In other words, in the fluidized bed 4, the microorganisms attached to the carriers 3... are brought into contact with the treated water efficiently, and in the fixed bed 6, the microorganisms are brought into contact with the treated water, which not only promotes biological treatment. , floating matter can be separated by filtration treatment, and a settling tank for removing suspended matter is not required, making it possible to provide a water treatment device with low equipment costs.
しかも、流動床４での処理水を酸素溶解装置１
２を通して循環させたので、微生物濃度が高くて
酸素が多量に必要となる流動床部分では十分な流
速と酸素とを確保し、微生物と処理水との接触効
率を高いものとして微生物の活動を活発にしなが
ら、遅い流速での処理でSS分の除去などを行う
必要のある固定床部分では、装置内に供給される
処理水の水量のみが通るようにして遅い流速を達
成でき、全体として流動床および固定床の何れに
おいても最適な生物処理が行えるようになつた。 Moreover, the treated water in the fluidized bed 4 is transferred to the oxygen dissolving device 1.
2, it ensures sufficient flow rate and oxygen in the fluidized bed section where the concentration of microorganisms is high and a large amount of oxygen is required, and the contact efficiency between the microorganisms and the treated water is high and the activity of the microorganisms is activated. However, in the fixed bed section where it is necessary to process at a slow flow rate to remove SS components, it is possible to achieve a slow flow rate by allowing only the amount of treated water supplied to the equipment to pass through, making it possible to achieve a low flow rate as a whole. Optimal biological treatment can now be performed in both fixed bed and fixed bed systems.
図面は本考案に係る水処理装置の実施例を示す
フローシートである。
３，５……生物膜付着担体、４……流動床、６
……固定床、９……取出路、１２……酸素溶解装
置、１５……循環流路。
The drawing is a flow sheet showing an embodiment of the water treatment device according to the present invention. 3,5...Biofilm-attached carrier, 4...Fluidized bed, 6
... fixed bed, 9 ... take-out path, 12 ... oxygen dissolving device, 15 ... circulation flow path.
Claims (1)
と生物膜付着担体５…を充填する固定床６とを、
処理水の流動方向に沿つてその順に処理槽１内に
設けると共に、前記固定床６より処理水流動方向
下手側に処理済水の取出路９を設け、前記流動床
４と固定床６との境界部から引抜いた処理水を、
酸素溶解装置１２を通して前記流動床４の処理水
流動方向上手側に還元する処理水の循環流路１５
を設けたことを特徴とする水処理装置。 Fluidized bed 4 that floats and fluidizes biofilm-attached carriers 3
and a fixed bed 6 filled with biofilm-attached carriers 5...
The treated water is provided in the treatment tank 1 in that order along the flow direction of the treated water, and a treated water take-out passage 9 is provided on the downstream side of the treated water flow direction from the fixed bed 6, so that the fluidized bed 4 and the fixed bed 6 are connected to each other. The treated water extracted from the boundary area is
A circulation path 15 for the treated water that returns to the upper side of the fluidized bed 4 in the flow direction of the treated water through the oxygen dissolving device 12
A water treatment device characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982069321U JPS58171298U (en) | 1982-05-11 | 1982-05-11 | water treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982069321U JPS58171298U (en) | 1982-05-11 | 1982-05-11 | water treatment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58171298U JPS58171298U (en) | 1983-11-15 |
| JPS6221355Y2 true JPS6221355Y2 (en) | 1987-05-29 |
Family
ID=30079053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982069321U Granted JPS58171298U (en) | 1982-05-11 | 1982-05-11 | water treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58171298U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51148965A (en) * | 1975-06-11 | 1976-12-21 | Nippon Paint Co Ltd | Organic system waste water treatment |
| JPS5238669A (en) * | 1975-09-22 | 1977-03-25 | Taihei Mach Works Ltd | Pre-heating method of air for combustion of direct-flame single-disc d ryer |
| JPS56100694A (en) * | 1980-01-14 | 1981-08-12 | Ebara Infilco Co Ltd | Biological treatment for sewage |
-
1982
- 1982-05-11 JP JP1982069321U patent/JPS58171298U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51148965A (en) * | 1975-06-11 | 1976-12-21 | Nippon Paint Co Ltd | Organic system waste water treatment |
| JPS5238669A (en) * | 1975-09-22 | 1977-03-25 | Taihei Mach Works Ltd | Pre-heating method of air for combustion of direct-flame single-disc d ryer |
| JPS56100694A (en) * | 1980-01-14 | 1981-08-12 | Ebara Infilco Co Ltd | Biological treatment for sewage |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58171298U (en) | 1983-11-15 |
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