JPH047092A - Waste water treatment apparatus - Google Patents
Waste water treatment apparatusInfo
- Publication number
- JPH047092A JPH047092A JP2107967A JP10796790A JPH047092A JP H047092 A JPH047092 A JP H047092A JP 2107967 A JP2107967 A JP 2107967A JP 10796790 A JP10796790 A JP 10796790A JP H047092 A JPH047092 A JP H047092A
- Authority
- JP
- Japan
- Prior art keywords
- water
- bacteria
- tank
- activity
- aeration tank
- 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
- 238000004065 wastewater treatment Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000000694 effects Effects 0.000 claims abstract description 15
- 239000012876 carrier material Substances 0.000 claims abstract description 11
- 244000005700 microbiome Species 0.000 claims description 28
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000005273 aeration Methods 0.000 abstract description 12
- 239000002351 wastewater Substances 0.000 abstract description 10
- 238000004062 sedimentation Methods 0.000 abstract description 5
- 239000010802 sludge Substances 0.000 abstract description 4
- 239000008213 purified water Substances 0.000 abstract description 2
- 241000894006 Bacteria Species 0.000 abstract 7
- 239000000463 material Substances 0.000 description 19
- 239000000498 cooling water Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 239000000126 substance Substances 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)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、生物膜を形成することによって廃水を処理
する廃水処理装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a wastewater treatment device for treating wastewater by forming a biofilm.
従来の技術
生物膜による廃水処理は、処理水槽中の微生物の活動に
よって廃水の浄化を行なうものである。Conventional technology Wastewater treatment using biofilms purifies wastewater through the activity of microorganisms in a treated water tank.
即ち、処理水槽中に汚泥と呼ばれる微生物を保有させる
とともに、その処理水槽内のばっ気を行なうことによっ
て、微生物を活性化させ廃水を浄化するものである。That is, the treatment water tank is made to contain microorganisms called sludge, and the treatment water tank is aerated to activate the microorganisms and purify the wastewater.
発明が解決しようとする課題
従って、処理水槽内の廃水の処理を効率良く行なうには
、微生物の活性を維持することが必要となるが、従来に
おいては、冬季の水温の低下により、その微生物の活性
が低下して処理性能が低下するという問題があった。Problems to be Solved by the Invention Therefore, in order to efficiently treat wastewater in a treatment water tank, it is necessary to maintain the activity of microorganisms. There was a problem that activity decreased and processing performance decreased.
この場合、処理水槽内の水温を一定にすべく、冬季にそ
の水温を加温することが考えられるが、その水槽内金体
の水温を維持するたｔには相当な熱エネルギーが必要で
あり、できるだけその熱エネルギーを省力化できるよう
な手段が望まれている。In this case, in order to keep the water temperature in the treated water tank constant, it may be possible to warm the water in winter, but maintaining the water temperature in the metal body in the tank requires a considerable amount of thermal energy. There is a need for a means that can save the thermal energy as much as possible.
この発明は、このような水温の低下による微生物の活性
低下を防止して、四季を通じて処理性能を安定して維持
することができるようにした省エネルギー型の廃水処理
装置を提供することを目的とするものである。The purpose of this invention is to provide an energy-saving wastewater treatment device that can prevent the decrease in microbial activity due to such a decrease in water temperature and maintain stable treatment performance throughout the seasons. It is something.
課題を解決するための手段
上記の課題を解決するため、この出願の第１の発明では
、処理水槽内に微生物を保持した担持材を、少なくとも
その一部が処理水中に没するように配設し、この微生物
担持材に微生物の活性を維持又は増進させる熱交換部を
設けたことを特徴とする。Means for Solving the Problems In order to solve the above problems, in the first invention of this application, a carrier material holding microorganisms is arranged in a treated water tank so that at least a part of it is submerged in the treated water. The present invention is characterized in that this microorganism-carrying material is provided with a heat exchange portion that maintains or enhances the activity of microorganisms.
また、上記熱交換部に熱エネルギーを供給するための熱
源として、内燃機関の排熱を利用することが考えられる
。Further, it is conceivable to use exhaust heat of the internal combustion engine as a heat source for supplying thermal energy to the heat exchange section.
作 用
上記この発明の構成によれば、微生物が担持材に保持さ
れ、この担持材に設けた熱交換部によって、その担持材
部分の温度が冬季においても活性に必要な程度に維持さ
れ、これによって微生物の活性を低下させることなく、
処理性能を維持できる。Effect According to the above configuration of the present invention, microorganisms are retained on the support material, and the temperature of the support material portion is maintained at a level necessary for activation even in winter by the heat exchange section provided on the support material. without reducing the activity of microorganisms.
Processing performance can be maintained.
実 施 例
第１図は、連続式（二槽式）と呼ばれる廃水処理装置の
システムの全体を示している。図において（１）はばっ
気槽、（２）は沈澱層であって、ばっ気槽（１）内には
、このばっ気槽（１）内の廃水（３）中へ全体が没する
ようにして、複数の微生物担持材（４）（４）・・・が
設置されている。Embodiment FIG. 1 shows the entire system of a wastewater treatment apparatus called a continuous type (two-tank type). In the figure, (1) is an aeration tank, and (2) is a sedimentation layer. A plurality of microorganism supporting materials (4) (4)... are installed.
同じくばっ気槽（］）の底部に、ばっ気用の散気管（５
）が設置されている。このばっ気槽（１）には、廃水管
（６）によって廃水が流入し、上記微生物担持材（４）
によって保持された微生物の活動により浄化された水を
、沈澱槽（２）側に排出させ、この沈澱槽（２）で浄化
水と汚泥とを分離して排出するようにしている。Similarly, at the bottom of the aeration tank (]), there is a diffuser pipe (5) for aeration.
) is installed. Wastewater flows into this aeration tank (1) through a wastewater pipe (6), and the microorganism supporting material (4)
The water purified by the activity of microorganisms retained by the sludge is discharged to the sedimentation tank (2), and the purified water and sludge are separated and discharged in the sedimentation tank (2).
（７）は、エンジン発電機における排熱回収装置であっ
て、図において（８）がエンジン、（９）はこのエンジ
ン（８）によって駆動される発電機を示している。エン
ジン（８）のＩ気管（１０）の途中に、排ガス熱交換器
（１１）が設けられ、この排ガス熱交換器（１１）から
排気消音器（１２）を通って、排気ガスが排出されるよ
うになっている。(7) is an exhaust heat recovery device for an engine generator, and in the figure, (8) is an engine, and (9) is a generator driven by this engine (8). An exhaust gas heat exchanger (11) is provided in the middle of the I-trachea (10) of the engine (8), and exhaust gas is discharged from the exhaust gas heat exchanger (11) through an exhaust silencer (12). It looks like this.
冷却水ポンプ（１３）によってエンジン（８）内を通る
冷却水通路（１４）が、上δ己排ガス熱交換器（１１）
からエンジン（８）側へ循環するような経路に構成され
るとともに、その排ガス熱交換器（１１）とエンジン（
８）との間の通路の途中に、熱交換用通路（１５）が分
岐して設けられ、一定温度以上の冷却水を、その分岐部
からこの熱交換用通路（１５）側に循環させてエンジン
（８）側に戻すようにしている。また、この熱交換用通
路（１５）の途中に、水−水熱交換器（１６）が設置さ
れている。A cooling water passage (14) passing through the engine (8) by a cooling water pump (13) is connected to the upper δ self-exhaust gas heat exchanger (11).
The exhaust gas heat exchanger (11) and the engine (8) are connected to each other.
A heat exchange passage (15) is branched in the middle of the passage between the heat exchange passage (15) and the heat exchange passage (15). I am trying to return it to the engine (8) side. Moreover, a water-water heat exchanger (16) is installed in the middle of this heat exchange passageway (15).
なお、この水−水熱交換器（１６）の出口側の通路に、
ラジェータ（１７）側へ通るような通路が形成され、必
要により、このラジェータ（１７）を通って冷却した冷
却水を、エンジン（８）側に循環させるようにしている
。上記水−水熱交換器（１６）には、その熱交換器（１
６）を通る前記の冷却水通路（１５）中の温水との熱交
換によって加温されるような温水パイプ（１８）が設け
られており、この温水パイプ（１８）は、その熱交換器
（１６）を出た後、ばっ気槽（１）内に配置された微生
物担持材（４）内を下側から上方に向けて通過するよう
に設置され、これによって、その微生物担持材（４）を
加温した後、再び前記熱交換器（１６）側に循環させら
れるようにしている。即ち、エンジン（８）の排熱によ
って加温される冷却水、及び、そのエンジンより排出さ
れる排気ガスを熱源として、微生物担持材（４）を加温
する温水へ熱エネルギーを供給するようにしている。In addition, in the passage on the outlet side of this water-water heat exchanger (16),
A passage is formed that passes to the radiator (17) side, and if necessary, the cooling water that has been cooled through the radiator (17) is circulated to the engine (8) side. The water-water heat exchanger (16) includes a heat exchanger (1
A hot water pipe (18) is provided which is heated by heat exchange with the hot water in the cooling water passage (15) passing through the cooling water passage (15); 16), the microorganism supporting material (4) is placed in the aeration tank (1) so that it passes from the bottom upwards. After being heated, it is made to circulate again to the heat exchanger (16) side. That is, the cooling water heated by the exhaust heat of the engine (8) and the exhaust gas discharged from the engine are used as heat sources to supply thermal energy to the hot water that warms the microorganism support material (4). ing.
第２図及び第３図は、上記温水パイプ（１８）によって
供給される温水との熱交換を行なわしめるため、微生物
担持材（４）中へ温水を通過させるための具体例であり
、図において（２１）は網目状の外筒、（２２）は同じ
く網目状の内筒であり、これらを内外二重状に配置する
とともに、その外筒（２１）と内筒（２２）との間に、
第３図のようにコイル状に形成された熱交換用バイブ（
２３）を挿通し、この熱交換用バイブ（２３）の端部を
前記温水パイプ（１８）へ各々接続して、この熱交換用
バイブ（２３）内を通過する温水によって微生物担持材
（４）自身を加温するものである。なお、外筒（２１）
と内筒（２２）との間には、繊維状物質（２４）が充填
され、これら内筒（２２） 、外筒（２１）及び繊維状
物質（２４）によって、微生物を保持するための担持材
（４）を構成している。Figures 2 and 3 show specific examples of passing hot water into the microorganism support material (4) in order to exchange heat with the hot water supplied by the hot water pipe (18). (21) is a mesh-like outer cylinder, and (22) is a mesh-like inner cylinder, and these are arranged in a double pattern, inside and outside, and between the outer cylinder (21) and the inner cylinder (22). ,
A heat exchanger vibrator formed in a coil shape as shown in Figure 3 (
23) and connect the ends of the heat exchange vibes (23) to the hot water pipes (18), and the microorganism carrier material (4) is heated by the warm water passing through the heat exchange vibes (23). It warms itself. In addition, the outer cylinder (21)
A fibrous substance (24) is filled between the inner cylinder (22) and the inner cylinder (22). It constitutes material (4).
第４図及び第５図は、上記のような円筒状の微生物担持
材（４）に代えて、平板状の微生物担持材（４）を用い
る場合の実施例であって、この場合には、一対の網目状
の平板（２６） （２６）を、その間に波状に屈曲さ
れた熱交換用パイプ（２３）を介在させて互いに重合さ
せたもので、同様に、この熱交換用パイプ（２３）の両
端を、前記の温水パイプ（１８）へ接続することによっ
て、微生物担持材（４）自身を加温する。FIGS. 4 and 5 show examples in which a flat microorganism supporting material (4) is used instead of the cylindrical microorganism supporting material (4) as described above, and in this case, A pair of mesh-like flat plates (26) (26) are overlapped with each other with a wave-shaped heat exchange pipe (23) interposed between them.Similarly, this heat exchange pipe (23) The microorganism supporting material (4) itself is heated by connecting both ends thereof to the hot water pipe (18).
なお、上記第１図の実施例では、ばっ気槽（）と沈澱槽
（２）とからなる連続式の装置を示したが、このような
ものに代えて、一つの処理水槽によって、ばっ気、沈澱
等の工程を行なう回分式の処理装置であってもよい。こ
の場合には、廃水処理工程によって水位が低下し、微生
物担持材が露出乾燥して微生物が死ぬ虞れがあるが、例
えば、少なくともその一部を水中に没するように設定し
て、毛細管象等によって露出部分に水を供給したり、或
いは、水位の低下にともなって常に微生物担持材（４）
が水中に没するよう上下に移動させるようにすること等
が考えられる。In addition, in the embodiment shown in FIG. 1 above, a continuous type device consisting of an aeration tank (2) and a settling tank (2) is shown, but instead of such a system, aeration can be carried out by one treatment water tank. It may also be a batch type processing apparatus that performs steps such as , precipitation, etc. In this case, there is a risk that the water level will drop during the wastewater treatment process and the microorganism support material will be exposed and dry, causing the microorganisms to die. Water is supplied to exposed areas by means of methods such as microorganism-carrying materials (4), or as the water level decreases.
A possible solution would be to move it up and down so that it is submerged in the water.
発明の効果
以上のように、この発明によれば、処理水槽内に微生物
担持材を設置し、この微生物担持材に微生物の活性を維
持又は増進させるだめの熱交換部を設けたから、これに
よって、冬季においても微生物の活性を低下させること
なく、四季を通じて安定した処理性能を得ることができ
る。しかも、処理水槽内の処理水全体を加温するものに
比較して、担持材のみを加温することがらエネルギーの
消費も少ないという効果がある。また、第２の発明では
、熱交換部の熱源をエンジンの排熱によっているため、
省エネルギー効果が更に向上し、ランニングコストを大
幅に低減できる。Effects of the Invention As described above, according to the present invention, a microorganism-carrying material is installed in the treated water tank, and a heat exchange part for maintaining or increasing the activity of the microorganisms is provided on this microorganism-carrying material. It is possible to obtain stable treatment performance throughout all seasons without reducing the activity of microorganisms even in winter. Moreover, compared to the method in which the entire treated water in the treated water tank is heated, only the supporting material is heated, which has the effect of reducing energy consumption. Further, in the second invention, since the heat source of the heat exchange section is the exhaust heat of the engine,
The energy saving effect is further improved and running costs can be significantly reduced.
第１図は、この発明の実施例を示す処理装置の全体概念
図、第２図は、微生物担持材の一例を示す斜視図、第３
図は、その分解斜視図、第４図は、微生物担持材の別の
実施例を示す斜視図、第５図は、同じくその分解斜視図
である。
（１）・・・ばっ気槽（処理水槽）、
（３）・・・処理廃水、（４）・・・微生物担持材、（
７）・・・エンジン排熱回収装置、
（２３）・・・熱交換用パイプ。
特許出願人 ヤンマーディーセル株式会社代理人弁理
士 樽 本 久 幸第５図
第４図FIG. 1 is an overall conceptual diagram of a processing device showing an embodiment of the present invention, FIG. 2 is a perspective view showing an example of a microorganism carrier material, and FIG.
The figure is an exploded perspective view thereof, FIG. 4 is a perspective view showing another embodiment of the microorganism carrier material, and FIG. 5 is an exploded perspective view thereof. (1)... Aeration tank (treated water tank), (3)... Treated wastewater, (4)... Microorganism support material, (
7)... Engine exhaust heat recovery device, (23)... Heat exchange pipe. Patent applicant: Yanmar Diesel Co., Ltd. Representative Patent Attorney Hisayuki Tarumoto Figure 5 Figure 4
Claims (1)
もその一部が処理水中に没するように配設し、この微生
物担持材に微生物の活性を維持又は増進させる熱交換部
を設けたことを特徴とする廃水処理装置。 ２、熱交換部に熱エネルギーを供給する熱源を、内燃機
関の排熱とした請求項１記載の廃水処理装置。[Scope of Claims] 1. A carrier material holding microorganisms is placed in a treated water tank so that at least a portion thereof is submerged in the treated water, and the microorganism carrier material is heated to maintain or increase the activity of the microorganisms. A wastewater treatment device characterized by having a replacement part. 2. The wastewater treatment apparatus according to claim 1, wherein the heat source for supplying thermal energy to the heat exchange section is exhaust heat from an internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2107967A JPH047092A (en) | 1990-04-23 | 1990-04-23 | Waste water treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2107967A JPH047092A (en) | 1990-04-23 | 1990-04-23 | Waste water treatment apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH047092A true JPH047092A (en) | 1992-01-10 |
Family
ID=14472609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2107967A Pending JPH047092A (en) | 1990-04-23 | 1990-04-23 | Waste water treatment apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH047092A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05261382A (en) * | 1992-03-23 | 1993-10-12 | Kajima Corp | Water temperature controlling type water treatment |
| KR19990084137A (en) * | 1999-09-16 | 1999-12-06 | 신현준 | Base for microorganism for temperature preservation and control |
| JP2007007527A (en) * | 2005-06-29 | 2007-01-18 | Bridgestone Flowtech Corp | Structure for water quality improvement |
| US7468133B1 (en) * | 2006-10-27 | 2008-12-23 | Gary William Norton | Heated baffle anaerobic lagoon digester |
| DE102004001856B4 (en) | 2003-01-14 | 2019-05-23 | J. Morita Mfg. Corp. | Imaging device for diagnostic purposes |
-
1990
- 1990-04-23 JP JP2107967A patent/JPH047092A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05261382A (en) * | 1992-03-23 | 1993-10-12 | Kajima Corp | Water temperature controlling type water treatment |
| KR19990084137A (en) * | 1999-09-16 | 1999-12-06 | 신현준 | Base for microorganism for temperature preservation and control |
| DE102004001856B4 (en) | 2003-01-14 | 2019-05-23 | J. Morita Mfg. Corp. | Imaging device for diagnostic purposes |
| JP2007007527A (en) * | 2005-06-29 | 2007-01-18 | Bridgestone Flowtech Corp | Structure for water quality improvement |
| US7468133B1 (en) * | 2006-10-27 | 2008-12-23 | Gary William Norton | Heated baffle anaerobic lagoon digester |
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