JPH06285486A - Sewage treatment system - Google Patents
Sewage treatment systemInfo
- Publication number
- JPH06285486A JPH06285486A JP5082163A JP8216393A JPH06285486A JP H06285486 A JPH06285486 A JP H06285486A JP 5082163 A JP5082163 A JP 5082163A JP 8216393 A JP8216393 A JP 8216393A JP H06285486 A JPH06285486 A JP H06285486A
- Authority
- JP
- Japan
- Prior art keywords
- gas turbine
- sludge
- gas
- exhaust gas
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
- Treatment Of Sludge (AREA)
- Gasification And Melting Of Waste (AREA)
- Treating Waste Gases (AREA)
- Activated Sludge Processes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、省エネルギー化を企
図した下水処理システムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sewage treatment system intended to save energy.
【０００２】[0002]
【従来の技術】一般に、下水処理は、下水自体を処理す
る工程と、下水処理後に生じた汚泥を処理する工程とか
らなる。下水自体の処理は、好気的微生物の働きによる
生物学的作用と沈殿現象による物理的作用とを利用して
行われる。好気的微生物の働きを促進させるため、曝気
が行われ、その曝気用エアーは電気的に駆動されるター
ボブロワーなどにより曝気槽に供給される。2. Description of the Related Art Generally, sewage treatment comprises a step of treating the sewage itself and a step of treating sludge generated after the sewage treatment. The treatment of the sewage itself is carried out by utilizing the biological action by the action of aerobic microorganisms and the physical action by the precipitation phenomenon. Aeration is performed in order to accelerate the action of aerobic microorganisms, and the aeration air is supplied to the aeration tank by an electrically driven turbo blower or the like.
【０００３】他方、汚泥を処理するには、埋め立て地へ
の投棄が行われてきた。しかし、埋め立て地は近年次第
に確保しにくくなってきており、汚泥を焼却などによっ
て減容したり汚泥のコンポスト化により再利用を図って
いた。On the other hand, in order to treat sludge, it has been thrown into landfills. However, it has become difficult to secure landfill sites in recent years, and the volume of sludge has been reduced by incineration and reused by composting sludge.
【０００４】また、下水処理場からは常に悪臭が発生す
るため、悪臭対策として薬液処理や活性炭による臭気物
質の吸着などにより防臭を施していた。Further, since a foul odor is always generated from the sewage treatment plant, as a countermeasure against the foul odor, deodorization is performed by chemical solution treatment or adsorption of odorous substances by activated carbon.
【０００５】[0005]
【発明が解決しようとする課題】上記のような構成の従
来の下水処理場では、例えば曝気槽における曝気用エア
ーは、上述の如く、電動機の駆動力によるターボブロワ
ーを運転して供給されるため、多大な電力を消費してい
る。In the conventional sewage treatment plant having the above-mentioned structure, for example, the aeration air in the aeration tank is supplied by operating the turbo blower by the driving force of the electric motor as described above. , Consumes a lot of power.
【０００６】他方、汚泥の処理のために汚泥を焼却炉で
焼却したり汚泥を乾燥してコンポスト化する場合には、
多量の燃料が必要であった。On the other hand, when sludge is incinerated in an incinerator or sludge is dried and composted to treat sludge,
A lot of fuel was needed.
【０００７】また、下水処理場の悪臭に対しては、薬液
処理や活性炭による臭気物質の吸着などを施すため、処
理費用が高く付いた。Further, for the bad odor of the sewage treatment plant, the treatment cost is high because of the chemical treatment and the adsorption of the odorous substance by the activated carbon.
【０００８】こうした処置は地域住民に対する環境対策
として重要なものであり、省略することはできない。Such measures are important as environmental measures for local residents and cannot be omitted.
【０００９】この発明の上記のような実情に鑑み、エネ
ルギーの消費を極力節減した下水処理システムを提供す
ることを目的とする。In view of the above situation of the present invention, it is an object of the present invention to provide a sewage treatment system in which energy consumption is reduced as much as possible.
【００１０】[0010]
【課題を解決するための手段】この発明による下水処理
システムは、上記目的を達成すべく工夫されたものであ
って、ガスタービンを設け、ガスタービンの駆動力によ
り発電機およびターボブロワーを運転し、ガスタービン
の吸気で悪臭を除去し、ガスタービンの排ガスにより汚
泥を乾燥ないしは焼却するものである。The sewage treatment system according to the present invention has been devised to achieve the above-mentioned object, and is provided with a gas turbine, and a generator and a turbo blower are operated by the driving force of the gas turbine. The odor is removed by the intake of the gas turbine, and the sludge is dried or incinerated by the exhaust gas of the gas turbine.
【００１１】この発明の好ましい実施形態においては、
汚泥の乾燥ないしは焼却後の排ガスから廃熱を回収す
る。また、ガスタービンの排ガスに消化槽で発生したメ
タンガスを加える。In a preferred embodiment of the invention,
Waste heat is recovered from exhaust gas after drying or incineration of sludge. In addition, methane gas generated in the digestion tank is added to the exhaust gas of the gas turbine.
【００１２】[0012]
【作用】この発明による下水処理システムでは、ガスタ
ービンを設置してその駆動力で発電機やターボブロワー
を運転するので、発電機の運転により発生された電力を
下水処理場内の様々な設備の駆動源として使用できると
共に、ターボブロワーの回転により得られた圧縮空気を
曝気用エアーとして曝気槽へ供給できる。In the sewage treatment system according to the present invention, the gas turbine is installed and the driving force drives the generator and the turbo blower. Therefore, the electric power generated by the operation of the generator drives various equipment in the sewage treatment plant. It can be used as a source, and compressed air obtained by rotation of a turbo blower can be supplied to the aeration tank as aeration air.
【００１３】汚泥の脱水装置で発生する悪臭空気はガス
タービンに吸引され、燃焼により悪臭が除去される。ガ
スタービンの排気ガスにより脱水汚泥を乾燥ないしは焼
却させる。The malodorous air generated in the sludge dewatering device is sucked into the gas turbine and removed by combustion. The dehydrated sludge is dried or incinerated by the exhaust gas of the gas turbine.
【００１４】汚泥の乾燥ないしは焼却後の排ガスから廃
熱を回収して温水を得、この温水を消化槽へ送ることに
よりエネルギーの節減を果たすことができる。さらに、
消化槽で発生したメタンガスをガスタービンの排ガスに
加えることにより、排ガスの燃焼性を向上させ、汚泥の
乾燥ないしは焼却を促進されることができる。Energy can be saved by recovering waste heat from exhaust gas after drying or incinerating sludge to obtain hot water and sending the hot water to the digestion tank. further,
By adding the methane gas generated in the digestion tank to the exhaust gas of the gas turbine, the combustibility of the exhaust gas can be improved and the drying or incineration of sludge can be promoted.
【００１５】[0015]
【実施例】以下、この発明の一実施例を図面を参照なが
ら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【００１６】実施例１ この実施例のシステムでは、下水は、沈砂池→第一沈殿
池→曝気槽→第二沈殿池→塩素接触槽→放流、の流れで
処理される。Example 1 In the system of this example, sewage is treated in the sequence of sand basin → first settling tank → aeration tank → second settling tank → chlorine contact tank → discharge.
【００１７】他方、汚泥は、第二沈殿池→濃縮槽→消化
槽→脱水機→焼却炉→集塵機→排煙処理塔→大気、の流
れで処理される。On the other hand, the sludge is treated in the following sequence: second settling tank → concentration tank → digestion tank → dehydrator → incinerator → dust collector → smoke exhaust treatment tower → atmosphere.
【００１８】図１は上記システムの一部を示すものであ
る。図１において、ガスタービン(1) の駆動軸には発電
機(2) とターボブロワー(3) が連結され、その駆動力で
発電機(2) およびターボブロワー(3) が運転される。発
電機(2) の運転により発生された電力は下水処理場内の
様々な設備の電源として使用される。また、ターボブロ
ワー(3) の回転により得られた圧縮空気は曝気用エアー
として曝気槽(7) へ供給される。FIG. 1 shows a part of the above system. In FIG. 1, the generator (2) and the turbo blower (3) are connected to the drive shaft of the gas turbine (1), and the driving force drives the generator (2) and the turbo blower (3). The electric power generated by the operation of the generator (2) is used as the power source for various facilities in the sewage treatment plant. The compressed air obtained by rotating the turbo blower (3) is supplied to the aeration tank (7) as aeration air.
【００１９】汚泥の脱水装置(4) で発生する悪臭空気
は、ガスタービン(1) の吸気エアーとして吸気ライン
(6) によりガスタービン(1) に吸引され、ここで燃焼空
気として使用され、悪臭が除去される。曝気槽(7) で生
じた悪臭もガスタービン(1) に吸引される。脱水装置
(4) はベルトフィルター式のものであり、生じた脱水汚
泥はガスタービン(1) の排ガスライン(5) に運ばれる。The malodorous air generated in the sludge dewatering device (4) is used as the intake air of the gas turbine (1) in the intake line.
By (6), it is sucked into the gas turbine (1), where it is used as combustion air and odors are removed. The malodor generated in the aeration tank (7) is also sucked into the gas turbine (1). Dehydrator
The type (4) is of the belt filter type, and the dewatered sludge produced is carried to the exhaust gas line (5) of the gas turbine (1).
【００２０】排ガスライン(5) にはガスタービン(1) の
排気ガスが排出される。このガスは高温であり、脱水装
置(4) から出たまだ含水率の高い脱水汚泥を乾燥ないし
は焼却させるのに使用される。また、排ガスの排出力を
利用して汚泥に高温の熱風を吹き付けることにより汚泥
の乾燥ないしは焼却を促進することもできる。Exhaust gas from the gas turbine (1) is discharged to the exhaust gas line (5). This gas is hot and is used to dry or incinerate the still high water content of the dehydrated sludge from the dehydrator (4). Further, it is possible to accelerate the drying or incineration of the sludge by blowing hot hot air to the sludge by utilizing the exhaust gas exhaust power.
【００２１】乾燥ないしは焼却された汚泥はコンポスト
ないしは焼却灰を蓄えるサイロ(8)へ送られ、その底部
から適時コンベヤ(9) 上へ取り出され、袋(15)に詰めら
れる。The dried or incinerated sludge is sent to a compost or a silo (8) for storing incinerated ash, and is taken out from the bottom of the sludge onto a conveyor (9) at a time and packed in a bag (15).
【００２２】汚泥の乾燥ないしは焼却後の排ガスは乾燥
ないしは焼却汚泥と共にサイロ(8)へ送られ、その頂部
から熱交換用のガス冷却機(10)へ送られる。ガス冷却機
(10)から出た排ガスは送風機(11)を経て電気集塵機(12)
ついでガス洗浄装置(13)で処理された後再びガス冷却機
(10)に通された後、煙突から系外へ排出される。Exhaust gas after the sludge is dried or incinerated is sent to the silo (8) together with the dried or incinerated sludge, and is sent from the top to the gas cooler (10) for heat exchange. Gas cooler
The exhaust gas emitted from (10) passes through the blower (11) and the electric dust collector (12).
Then, after being processed by the gas cleaning device (13), the gas cooler is again used.
After passing through (10), it is discharged from the chimney to the outside of the system.
【００２３】ガス冷却機(10)は上記排ガスから廃熱を回
収して温水を得、これを消化槽(14)へ送る。The gas cooler (10) recovers waste heat from the exhaust gas to obtain hot water and sends it to the digestion tank (14).
【００２４】実施例２ 図２において、ガスタービン(1) の排ガスライン(5) に
消化槽(14)からメタンガスライン(16)が接続され、同ラ
イン(16)にガスタンク(17)が設けられている。Embodiment 2 In FIG. 2, a methane gas line (16) is connected from a digestion tank (14) to an exhaust gas line (5) of a gas turbine (1), and a gas tank (17) is provided in the same line (16). ing.
【００２５】この構成では、消化槽(14)で発生したメタ
ンガスがガスタンク(17)に蓄えられ、適時ガスタービン
(1) の排ガスに加えられる。このメタンガス添加により
排ガスの燃焼性が向上され、汚泥の乾燥ないしは焼却が
促進される。In this structure, the methane gas generated in the digestion tank (14) is stored in the gas tank (17) and the gas turbine is timely.
It is added to the exhaust gas of (1). By adding this methane gas, the combustibility of the exhaust gas is improved, and the drying or incineration of sludge is promoted.
【００２６】この実施例のその他の構成は実施例１のも
のと同じである。The other structure of this embodiment is the same as that of the first embodiment.
【００２７】[0027]
【発明の効果】この発明による下水処理システムでは、
ガスタービンを設置し、ガスタービンの駆動力により発
電機およびターボブロワーを運転し、ガスタービンの吸
気で悪臭を除去し、ガスタービンの排ガスにより汚泥を
乾燥ないしは焼却するので、エネルギーの消費を極力節
減することができる。In the sewage treatment system according to the present invention,
A gas turbine is installed, the generator and turbo blower are operated by the driving force of the gas turbine, the bad odor is removed by the intake of the gas turbine, and the sludge is dried or incinerated by the exhaust gas of the gas turbine, so energy consumption is reduced as much as possible. can do.
【００２８】また、汚泥の乾燥ないしは焼却後の排ガス
から廃熱を回収するので、得られた温水を消化槽へ送る
ことによりエネルギーの節減を果たすことができると共
に、消化槽で発生したメタンガスをガスタービンの排ガ
スに加えられるので、排ガスの燃焼性を向上させ、汚泥
の乾燥ないしは焼却を促進されることができる。Further, since the waste heat is recovered from the exhaust gas after the sludge is dried or incinerated, it is possible to save energy by sending the obtained hot water to the digestion tank, and the methane gas generated in the digestion tank is gasified. Since it is added to the exhaust gas of the turbine, the combustibility of the exhaust gas can be improved and the drying or incineration of sludge can be promoted.
【図１】この発明の実施例１を示すフローシートであ
る。FIG. 1 is a flow sheet showing a first embodiment of the present invention.
【図２】この発明の実施例２を示すフローシートであ
る。FIG. 2 is a flow sheet showing a second embodiment of the present invention.
(1) ……ガスタービン (2) ……発電機 (3) ……ターボブロワー (4) ……脱水装置 (5) ……排ガスライン (6) ……吸気ライン (7) ……曝気槽 (8) ……サイロ (9) ……コンベヤ (10)……ガス冷却機 (11)……送風機 (12)……電気集塵機 (13)……ガス洗浄装置 (14)……消化槽 (15)……袋 (16)……メタンガスライン (17)……ガスタンク (1) …… Gas turbine (2) …… Generator (3) …… Turbo blower (4) …… Dehydrator (5) …… Exhaust gas line (6) …… Intake line (7) …… Aeration tank ( 8) …… Silo (9) …… Conveyor (10) …… Gas cooler (11) …… Blower (12) …… Electrostatic precipitator (13) …… Gas scrubber (14) …… Digestion tank (15) …… Bag (16) …… Methane gas line (17) …… Gas tank
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０２Ｆ 11/12 ＺＡＢ Ａ 7446−4Ｄ // Ｃ０２Ｆ 11/00 ＺＡＢ Ｆ 7446−4Ｄ Ｆ２３Ｇ 7/00 １０４ Ａ 8409−3Ｋ ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 5 Identification number Office reference number FI technical display location C02F 11/12 ZAB A 7446-4D // C02F 11/00 ZAB F 7446-4D F23G 7/00 104 A 8409-3K
Claims (3)
動力により発電機およびターボブロワーを運転し、ガス
タービンの吸気で悪臭を除去し、ガスタービンの排ガス
により脱水汚泥を乾燥ないしは焼却する、下水処理シス
テム。1. A sewage system in which a gas turbine is installed, a generator and a turbo blower are operated by a driving force of the gas turbine, an offensive odor is removed by intake of the gas turbine, and dehydrated sludge is dried or incinerated by exhaust gas of the gas turbine. Processing system.
熱を回収する、請求項１記載のシステム。2. The system according to claim 1, wherein waste heat is recovered from the exhaust gas after the sludge is dried or incinerated.
メタンガスを加える、請求項１記載のシステム。3. The system according to claim 1, wherein methane gas generated in the digestion tank is added to the exhaust gas of the gas turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5082163A JPH06285486A (en) | 1993-04-08 | 1993-04-08 | Sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5082163A JPH06285486A (en) | 1993-04-08 | 1993-04-08 | Sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06285486A true JPH06285486A (en) | 1994-10-11 |
Family
ID=13766766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5082163A Withdrawn JPH06285486A (en) | 1993-04-08 | 1993-04-08 | Sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06285486A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002004890A (en) * | 2000-06-20 | 2002-01-09 | Shimadzu Corp | Deodorizing and compressing device |
| US6490866B1 (en) * | 1998-04-03 | 2002-12-10 | D.U.T. Pty Ltd. | Generation of electricity and the treatment and disposal of sewage |
| JP2002361200A (en) * | 2001-06-07 | 2002-12-17 | Ishikawajima Harima Heavy Ind Co Ltd | Deodorization treatment system |
| JP2011505238A (en) * | 2007-11-28 | 2011-02-24 | ソシエテ シビル デエルエムエール | Process that treats waste by combining a methanation treatment stage and a high temperature aerobic treatment stage |
| US8156662B2 (en) * | 2006-01-18 | 2012-04-17 | Earthrenew, Inc. | Systems for prevention of HAP emissions and for efficient drying/dehydration processes |
| CN106823671A (en) * | 2017-03-14 | 2017-06-13 | 中国环境科学研究院 | A kind of beer brewery water treating stations exhaust-gas resource Application way and system |
| CN113651425A (en) * | 2021-09-01 | 2021-11-16 | 刘爱峰 | Environment-friendly sewage treatment plant |
-
1993
- 1993-04-08 JP JP5082163A patent/JPH06285486A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6490866B1 (en) * | 1998-04-03 | 2002-12-10 | D.U.T. Pty Ltd. | Generation of electricity and the treatment and disposal of sewage |
| JP2002004890A (en) * | 2000-06-20 | 2002-01-09 | Shimadzu Corp | Deodorizing and compressing device |
| JP2002361200A (en) * | 2001-06-07 | 2002-12-17 | Ishikawajima Harima Heavy Ind Co Ltd | Deodorization treatment system |
| US8156662B2 (en) * | 2006-01-18 | 2012-04-17 | Earthrenew, Inc. | Systems for prevention of HAP emissions and for efficient drying/dehydration processes |
| JP2011505238A (en) * | 2007-11-28 | 2011-02-24 | ソシエテ シビル デエルエムエール | Process that treats waste by combining a methanation treatment stage and a high temperature aerobic treatment stage |
| CN106823671A (en) * | 2017-03-14 | 2017-06-13 | 中国环境科学研究院 | A kind of beer brewery water treating stations exhaust-gas resource Application way and system |
| CN113651425A (en) * | 2021-09-01 | 2021-11-16 | 刘爱峰 | Environment-friendly sewage treatment plant |
| CN113651425B (en) * | 2021-09-01 | 2023-12-22 | 刘爱峰 | Environment-friendly sewage treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100541159B1 (en) | Method and apparatus for sludge volume reduction using micro-wave and hot air | |
| CN112097263A (en) | Mixed household garbage sorting harmless treatment system | |
| JP2009167063A (en) | Method of composting organic waste and apparatus therefor | |
| JPH06285486A (en) | Sewage treatment system | |
| JPH1180763A (en) | Production of solid fuel from sewage sludge | |
| KR20020085480A (en) | Apparatus for processing the sludge of sewage | |
| JP3127212B1 (en) | Deodorizing and harmful gas decomposing equipment for food and beverage waste processing equipment | |
| JPH1177095A (en) | Livestock excretion treatment system | |
| KR20000003303A (en) | Treatment method of sewage sludge | |
| KR100343786B1 (en) | Device to manage food and drink wastes with cancellation type for domestic economy | |
| JPH1182975A (en) | Treating system for raw sewage sludge | |
| CN112944356A (en) | Combined type waste incineration equipment and using method thereof | |
| JP2000334419A (en) | Treatment of night soil and waste plastic | |
| JPS6038099A (en) | Treatment of organic waste material | |
| KR200218477Y1 (en) | An incinerating system for sludge and trash | |
| CN213599371U (en) | Mixed household garbage sorting harmless treatment system | |
| KR100282021B1 (en) | Apparatus for composting food garbages | |
| CN113546518B (en) | Zero-emission method for treating garbage carbonization odor through steam | |
| JP3769204B2 (en) | Combustion treatment method of waste including organic waste | |
| KR200168722Y1 (en) | Device of paddle and flash type for sludge treatment of foul and waste water | |
| JPH09174031A (en) | Treatment of organic waste containing moisture and device therefor | |
| JPH06117617A (en) | Processing method of solid waste and waste water | |
| KR100407225B1 (en) | An incinerating system for sludge and trash | |
| KR100840910B1 (en) | Retreating apparatus of waste matters with high efficiency | |
| KR200372086Y1 (en) | High Speed Extinction Machine for Food Waste Equipped on the Vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20000704 |