JPH1128452A - Device for treating pathogenic microorganism containing waste water and treatment thereof - Google Patents
Device for treating pathogenic microorganism containing waste water and treatment thereofInfo
- Publication number
- JPH1128452A JPH1128452A JP18636197A JP18636197A JPH1128452A JP H1128452 A JPH1128452 A JP H1128452A JP 18636197 A JP18636197 A JP 18636197A JP 18636197 A JP18636197 A JP 18636197A JP H1128452 A JPH1128452 A JP H1128452A
- Authority
- JP
- Japan
- Prior art keywords
- raw water
- wastewater
- water tank
- temperature
- water
- 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
- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- 244000000010 microbial pathogen Species 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 230000001954 sterilising effect Effects 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 238000004659 sterilization and disinfection Methods 0.000 claims description 19
- 238000004065 wastewater treatment Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 abstract description 33
- 238000010438 heat treatment Methods 0.000 abstract description 18
- 239000004753 textile Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 description 16
- 238000001816 cooling Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 4
- 230000000249 desinfective effect Effects 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 239000003599 detergent Substances 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、病源性微生物付着
の虞がある繊維品の洗濯排水の、加熱による殺菌処理に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sterilization treatment for washing wastewater of textiles, which is likely to adhere to pathogenic microorganisms, by heating.
【０００２】[0002]
【従来の技術】従来、医療施設で用いられる白衣、手術
着や患者用の寝巻、シーツ等の繊維品のうち、病源性微
生物付着の虞がある物は、感染のリスクを回避するため
に、焼却処分することが多く、そのために安価な素材を
使用した使い捨て品が採用される傾向にあった。2. Description of the Related Art Conventionally, among textiles used in medical facilities such as white coats, surgical gowns, sleepwear for patients, sheets, and the like, which are likely to adhere to pathogenic microorganisms, in order to avoid the risk of infection, They are often incinerated, and disposable products made of inexpensive materials tend to be used.
【０００３】しかし、焼却処分を行うための十分な設備
を備えた完全な焼却施設には限りがあるだけでなく、使
い捨て品は着心地が悪いうえに、資源の無駄使いともな
るために、より良い素材を使用した、洗濯による再利用
方式が見直されている。[0003] However, complete incineration facilities equipped with sufficient equipment for incineration are not only limited, but disposables are not comfortable to wear and waste resources. The reuse method by washing using good materials is being reviewed.
【０００４】図４は、従来の洗濯装置による病源性微生
物付着の虞がある繊維品の洗濯・殺菌装置の一例を示す
概略構成図であり、図５は該洗濯・殺菌処理工程の大要
を示すブロックフロー図である。FIG. 4 is a schematic diagram showing an example of a conventional washing / sterilizing apparatus for textiles which is likely to adhere to pathogenic microorganisms by a washing machine. FIG. 5 shows an outline of the washing / sterilizing process. It is a block flow diagram shown.
【０００５】図４において、ａは、上部に清水口ａ1 及
び、洗濯物ｂと洗剤ｃとを投入する投入口ａ2 並びに、
注水口ａ3 と溢流口ａ4 とを備えた洗濯槽であり、図示
しない駆動部により運転されるようになされている。[0005] In FIG. 4, a is a fresh water port a 1 at an upper portion, an input port a 2 for inputting a laundry b and a detergent c, and
A washing tub provided with a water inlet a 3 and the overflow opening a 4, is adapted to be operated by a drive unit not shown.
【０００６】該洗濯槽ａの下部には、後述の各工程に於
ける洗濯水ｄ2 を一時貯留する排水槽ｅが設けられ、該
排水槽ｅの側部には加熱装置ｅ1 が、底部にはフィルタ
等の一時濾過手段を有する排水口ｅ2 が配設されてい
る。A drain tub e for temporarily storing washing water d 2 in each step described later is provided below the washing tub a, and a heating device e 1 is provided on a side portion of the drain tub e and a bottom portion is provided. drain port e 2 having a temporary filtering means such as a filter is disposed on.
【０００７】また、排水口ｅ2 に接続された排出管ｆ1
は、３方切替弁ｇを介して、一方は循環ポンプｈを経て
注水口ａ3 に至る循環配管ｆ2 に接続され、他方は排水
管ｆ 3 に接続されて、排水処理装置ｊに導かれている。[0007] The drain port eTwoDischarge pipe f connected to1
Is via a three-way switching valve g and one is via a circulation pump h
Water inlet aThreeCirculation pipe fTwoAnd the other is drained
Tube f ThreeTo the wastewater treatment apparatus j.
【０００８】一方、溢流口ａ4 に取付けられた溢流管ｆ
4 は、排水管ｆ3 に接続されて、同じく排水処理装置ｊ
に導かれている。[0008] On the other hand, overflow tube f attached to the overflow opening a 4
4 is connected to a drain pipe f 3, and is also a waste water treatment device j.
Is led to.
【０００９】このように構成された洗濯装置における洗
い操作開始から仕上げまでの運転操作について説明す
る。The operation from the start of the washing operation to the finishing in the washing apparatus thus configured will be described.
【００１０】図４及び図５において、投入口ａ2 から洗
濯物ｂと適量の洗剤ｃとを投入したのち、清水口ａ1 か
ら清水ｄ1 を注水すれば、洗剤ｃを溶解した清水ｄ
1 は、洗濯物ｂに吸収されるとともに、余剰分は排水槽
ｅ内に降下する。[0010] In FIGS. 4 and 5, after introducing the laundry b and an appropriate amount of detergent c from inlet a 2, if the water injection to Shimizu d 1 from Shimizuguchi a 1, Shimizu d dissolved detergent c
1 is absorbed by the laundry b and the surplus falls into the drainage tub e.
【００１１】排水槽ｅ内に上述の降下水（洗濯水）ｄ2
が或程度溜まった時点で、加熱装置ｅ1 によって、例え
ば５０°ｃに加温した後、洗濯槽ａ及び循環ポンプｈを
稼働させれば、加温された洗濯水ｄ2 は循環水ｄ3 とな
って、排水口ｅ2 、排出管ｆ 1 、３方切替弁ｇ、循環ポ
ンプｈ及び循環配管ｆ2 から成る循環水系を経て、注水
口ａ3 から攪拌中の洗濯物ｂ上に注水される。The above-mentioned falling water (washing water) d is placed in a drain tank e.Two
When a certain amount of water accumulates, the heating device e1By analogy
After heating to 50 ° C, the washing tub a and the circulation pump h are turned on.
If operated, heated washing water dTwoIs the circulating water dThreeTona
The drain outlet eTwo, Discharge pipe f 1, 3-way switching valve g, circulation port
Pump h and circulation pipe fTwoWater through the circulating water system consisting of
Mouth aThreeIs poured onto the laundry b being stirred.
【００１２】この運転を一定時間継続することにより、
洗濯物ｂの洗い操作は終り、３方切換弁ｇを排水管ｆ3
側に切換えると、大部分の病源性微生物を含んだ洗濯水
ｄ2は、洗濯排水ｄ4 となって排水処理装置ｊに排水さ
れて、洗い工程は終了する。By continuing this operation for a certain period of time,
The washing operation of the laundry b is completed, and the three-way switching valve g is connected to the drain pipe f 3.
When switched to the side, the wash water d 2 that contains most pathogenic microbes can be drained to the wastewater treatment device j becomes washing wastewater d 4, the washing process ends.
【００１３】次に、３方切替弁ｇを循環水系に切替え、
清水ｄ1 を注水しながら洗濯槽ａ及び循環ポンプｈを運
転すれば、前記洗い工程でもなお洗濯物ｂ中に残留して
いた少量の病源性微生物は、洗い出されて溢流水ｄ5 と
共に溢流口ａ4 から溢流管ｆ 4 を経て排水処理装置ｊに
排出され、この溢流運転を規定時間継続することによ
り、すすぎ工程が終了し清水ｄ1 の注水は停止される。Next, the three-way switching valve g is switched to a circulating water system,
Shimizu d1While washing tub a and circulation pump h
If it is turned over, it will remain in the laundry b even in the washing process.
A small amount of pathogenic microorganisms were washed out and overflowedFiveWhen
Both overflow outlets aFourOverflow pipe f FourTo wastewater treatment equipment j
The spill operation is continued for a specified time.
And the rinsing process is completed.1Is stopped.
【００１４】続いて、加熱装置ｅ1 により、洗濯槽ａ及
び排水槽ｅ内のすすぎ水（洗濯水）ｄ2 を、例えば９５
°ｃに加熱し、上記循環水系を通じてこの加熱したすす
ぎ水ｄ2 を循環水ｄ3 として運転中の洗濯槽ａ内に注入
して１０分程度循環させれば、すすぎを終った洗濯物ｂ
及びすすぎ水ｄ2 は高温で熱消毒される。[0014] Subsequently, the heating device e 1, the washing tub a and rinse water drainage tank e (washing water) d 2, for example 95
° heated to c, if brought into the circulation about 10 minutes and poured into the washing tub a during operation heated rinse water d 2 as circulating water d 3 through the circulating water system, laundry finished the rinsing b
And rinse water d 2 is thermally disinfected at high temperature.
【００１５】その後、該加熱したすすぎ水ｄ2 に清水ｄ
1 を注水して冷却しながら、排水口ｅ2 から排水処理装
置ｊへと排出して、熱消毒工程を終える。Thereafter, the heated rinse water d 2 is added to fresh water d.
While cooling with water injection to 1, and discharged to the waste water treatment apparatus j from the drain port e 2, completing the heat disinfection process.
【００１６】さらに、洗濯物ｂは、脱水・乾燥されたの
ち、必要に応じて、オートクレーブ等により更に滅菌処
理して、全工程を完了する。Further, after the laundry b is dehydrated and dried, if necessary, it is further sterilized by an autoclave or the like to complete all the steps.
【００１７】上述の如く、排水処理装置ｊに排出される
各種排水は、温度や水量が異なるだけでなく、その中
に、病源性微生物が混入しているために、従来は、温度
や水量の変動に対応した通常の処理水に殺菌剤を投入し
て殺菌・消毒をした後、中和剤を添加して下水道に希釈
放流されていた。As described above, various wastewater discharged to the wastewater treatment apparatus j not only differs in temperature and water amount, but also contains pathogenic microorganisms therein. After disinfecting and disinfecting by adding a disinfectant to normal treated water corresponding to the fluctuation, a neutralizing agent was added and diluted and discharged into a sewer.
【００１８】しかし、この薬剤処理法は、殺菌処理に多
大の労力と時間とを要するだけでなく、水質が放流基準
を逸脱することが多く、放流先に悪影響を及ぼす虞があ
り、薬剤費や希釈水費及び殺菌剤による施設の腐食対策
等の維持管理費の高騰を招いていた。However, this chemical treatment method requires not only a great deal of labor and time for sterilization treatment, but also the water quality often deviates from the discharge standard, which may adversely affect the discharge destination, and increase the chemical cost and cost. This has led to a rise in maintenance and management costs such as dilution water costs and countermeasures against facility corrosion caused by disinfectants.
【００１９】そこで、これらの諸問題を解決するために
特開平４−８７６７８号公報記載の「解剖室等から生ず
る排水の殺菌設備」が提供されている。In order to solve these problems, Japanese Patent Laid-Open Publication No. Hei 4-87678 discloses an apparatus for disinfecting wastewater generated from a dissection room or the like.
【００２０】図６に、その殺菌設備の概要を示す。FIG. 6 shows an outline of the sterilizing equipment.
【００２１】図６において、ｋは、本発明の処理対象で
ある洗濯排水と同種の問題を抱えている、医療現場から
発生する病源性微生物を含んだ各種排水であり、ｍは、
該排水ｋを一時貯留する貯水槽である。ｎは該貯留槽ｍ
の上方に設置された高架タンクであり、揚水ポンプｐ1
と、貯留槽水位検出器ｍ1 によって制御される調節弁ｐ
2 とを備えた揚水管ｐ3 及び、空気抜きと溢流兼用の還
流管ｐ4 により、貯水槽ｍと高架タンクｎとは相互連通
されている。In FIG. 6, k is various wastewater containing pathogenic microorganisms generated from a medical site, having the same problems as the laundry wastewater to be treated in the present invention, and m is
This is a water tank for temporarily storing the drainage k. n is the storage tank m
Is an elevated tank installed above the water pump p 1
And a control valve p controlled by the reservoir water level detector m 1
Lifting pipe p 3 and provided with a 2, a reflux condenser p 4 of the air vent and overflow combined are communicated intercommunicating the reservoir m and elevated tank n.
【００２２】高架タンクｎの下方には、熱交換部ｑに囲
繞された殺菌タンクｒと、温度検出器ｓ1 と、殺菌タン
ク水位検出器ｓ2 とから成る蒸気殺菌器ｔが設置されて
いる。 熱交換部ｑの入口には、図示しない熱源からの
高圧蒸気を供給する蒸気供給管ｕ1 が調節弁ｖ1 を配し
て接続されており、殺菌タンクｒ内の排水を６０〜１０
０°ｃに加熱し、降温蒸気は排気管ｕ2 から熱源に回収
される。Below the elevated tank n, a steam sterilizer t comprising a sterilizing tank r surrounded by a heat exchange section q, a temperature detector s 1 and a sterilizing tank water level detector s 2 is installed. . The inlet of the heat exchange section q, the steam supply pipe u 1 supplies a high-pressure steam from the heat source (not shown) is connected by disposing regulating valve v 1, the drainage of the sterilizing tank r 60 to 10
Heated to 0 ° C., the cooled steam is recovered to the heat source through the exhaust pipe u 2 .
【００２３】また、殺菌タンクｒの入口には、高架タン
クｎからの排水管ｗが調節弁ｖ2 を介して接続され、同
出口には、排出弁ｖ3 を配した放流管ｘが加熱殺菌済の
処理水ｙを図示しない下水道等に放流するように接続さ
れている。Further, the inlet of the sterilization tank r, drainage pipe w from elevated tank n are connected via a regulating valve v 2, in the same outlet, discharge pipe x is heat sterilization which arranged the discharge valve v 3 It is connected so that the used treated water y is discharged to a sewer (not shown) or the like.
【００２４】[0024]
【発明が解決しようとする課題】しかしながら、上記従
来の殺菌タンク加熱方式は、薬剤費や腐食対策費等の維
持管理費の高騰は防げるものの、殺菌タンク水位検出器
ｓ2 によって、排水ｋを殺菌タンクｒ内に充満させた
後、温度検出器ｓ1 が規定温度を示すまでは、熱交換部
ｑに蒸気を流し続けるバッチ運転方式であり、熱効率が
悪く、処理に長時間を要するうえに、設備費が嵩むとい
う問題がある。However [0006] The conventional sterilization tank heating type, although rising drug costs and maintenance costs of the corrosion protection expenses are prevented by sterilization tank water level detector s 2, disinfecting drainage k after filling the tank r, to a temperature detector s 1 indicates a prescribed temperature, a batch operation system to the heat exchange section q continues to flow steam, poor thermal efficiency, in terms of requiring a long time to process, There is a problem that equipment costs increase.
【００２５】また、殺菌完了後の処理水ｙの温度降下法
は、自然放熱式の場合は冷却所要時間が長くなって非効
率であり、水冷却方式の場合は同量程度の冷却水を消費
するという無駄があった。In the method of lowering the temperature of the treated water y after completion of the sterilization, the natural cooling method requires a long cooling time and is inefficient, and the water cooling method consumes about the same amount of cooling water. There was a waste of doing.
【００２６】さらに、伝熱面積不足による熱効率の悪さ
を解決するために、蒸気側を伝熱管方式にすれば、排水
中の夾雑物によるスケール、スライムまたは銹が伝熱管
表面に付着し易く、熱効率を低下させるだけでなく、付
着物の除去作業には、未殺菌の病源性微生物による感染
の危険性があり、薬品による除去は、薬品費のほか、洗
浄水等の後処理が必要となる。Further, in order to solve the poor heat efficiency due to the shortage of the heat transfer area, if the steam side is of a heat transfer tube type, scales, slime or rust due to impurities in the drainage easily adhere to the surface of the heat transfer tube, and the heat efficiency is reduced. In addition to reducing the amount of adhering substances, there is a risk of infection by unsterilized pathogenic microorganisms, and the removal by chemicals requires post-treatment such as washing water in addition to chemical costs.
【００２７】一方、図５における熱消毒工程を洗い工程
の中に組込んで、洗濯物ｂ及び循環水ｄ3 の殺菌を行っ
た後に排水する方式もあるが、この方式では循環水ｄ3
が高温であるために、汚物が洗濯物ｂにこびり付いてし
まい、洗濯効果が上がらないという問題があり、現在は
余り採用されていない。On the other hand, there is a method in which the heat disinfection step in FIG. 5 is incorporated into the washing step, and the laundry b and the circulating water d 3 are sterilized and then drained. In this method, the circulating water d 3 is used.
Because of the high temperature, there is a problem that dirt sticks to the laundry b and the washing effect is not improved, and is not widely adopted at present.
【００２８】[0028]
【課題を解決するための手段】本発明の請求項１記載の
病源性微生物を含有する排水の処理装置は、病源性微生
物を含有する排水を処理する処理装置であって、上記排
水を貯留する原水槽と、原水槽から送出される排水を適
宜な熱源により加熱し、当該加熱した状態で所定時間保
持する殺菌処理部と、前記原水槽と殺菌処理部との間に
介装され、原水槽から送出される排水と前記殺菌処理部
から排出される高温の処理水との間で熱交換する熱交換
部とから構成されたものである。According to a first aspect of the present invention, there is provided an apparatus for treating wastewater containing pathogenic microorganisms, the apparatus for treating wastewater containing pathogenic microorganisms, wherein the wastewater is stored. A raw water tank, a sterilizing section for heating wastewater sent from the raw water tank by an appropriate heat source, and holding the heated state for a predetermined time; and a raw water tank interposed between the raw water tank and the sterilizing section. And a heat exchanging unit for exchanging heat between the wastewater sent out from the water and the high-temperature treated water discharged from the sterilizing unit.
【００２９】本発明の請求項２記載の病源性微生物を含
有する排水の処理装置は、前記原水槽と前記熱交換部と
の間には、原水槽から送出される排水中の夾雑物を遊離
させる前処理器が介装されている。The wastewater treatment apparatus containing pathogenic microorganisms according to claim 2 of the present invention releases the impurities in the wastewater discharged from the raw water tank between the raw water tank and the heat exchange unit. A pre-treatment device is provided to perform the operation.
【００３０】本発明の請求項３記載の病源性微生物を含
有する排水の処理方法は、病源性微生物を含有する排水
を処理する処理方法であって、上記排水を原水槽に一時
貯留し、原水槽から連続送出される排水に前処理を施し
て排水中の夾雑物を遊離させた後、殺菌温度以上に昇温
して所定時間保持し、その後、前記原水槽から送出され
る排水との間で熱交換して排出されるようになされてい
る。The method for treating wastewater containing pathogenic microorganisms according to claim 3 of the present invention is a method for treating wastewater containing pathogenic microorganisms, wherein the wastewater is temporarily stored in a raw water tank, and After pretreatment is applied to the wastewater continuously discharged from the water tank to release impurities in the wastewater, the temperature is raised to a sterilization temperature or higher and held for a predetermined time, and then, between the wastewater discharged from the raw water tank and the raw water tank. The heat is exchanged and discharged.
【００３１】[0031]
【発明の実施の形態】以下、本発明の実施の形態を、図
面を参照して説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００３２】図１は、本発明に係る病源性微生物を含有
する排水の処理装置の概略を示すフロー図である。FIG. 1 is a flow chart schematically showing an apparatus for treating wastewater containing pathogenic microorganisms according to the present invention.
【００３３】図１において、１は原水部であり、従来技
術の項で述べた如く、洗濯装置から断続的に排出され、
その水質・水量・温度等が異っている各種洗濯排水を、
一時貯留することにより放熱させるとともに、或程度均
質化させたのち、前処理して連続送出するために設けら
れている。In FIG. 1, reference numeral 1 denotes a raw water section, which is intermittently discharged from the washing machine as described in the section of the prior art.
Various washing wastewater with different water quality, water amount, temperature, etc.,
It is provided to release heat by temporarily storing it, and to homogenize it to some extent, then pre-process it and send it out continuously.
【００３４】この原水部１は、例えば１日分の貯留能力
を有する原水槽１１と、貯留された常温の原水２１を後
述する熱交換部３を介して殺菌処理部を構成する加熱部
４、保持器５に連続送出する原水ポンプ１２と、原水２
１中の夾雑物が輸送経路の壁面に付着するのを防止する
前処理器１３と、流量調整弁１４等とで構成されてい
る。The raw water section 1 includes, for example, a raw water tank 11 having a storage capacity for one day, and a heating section 4 constituting a sterilization processing section through a stored normal temperature raw water 21 via a heat exchange section 3 described later. A raw water pump 12 that continuously sends the raw water to the retainer 5;
1 is constituted by a pre-treatment device 13 for preventing the impurities in 1 from adhering to the wall surface of the transport route, a flow control valve 14 and the like.
【００３５】前処理器１３は、図３に示すように、対峙
する永久磁石１３１、１３２とその間を縦断する管部１
３３で構成された磁気荷電装置であり、永久磁石１３
１、１３２による磁界１３４中を管部１３３を通じて原
水２１が貫流するとにより、原水２１中の夾雑物に電荷
を誘起させる効果がある。As shown in FIG. 3, the pretreatment device 13 includes opposed permanent magnets 131 and 132 and a pipe 1 vertically extending therebetween.
33, a permanent magnet 13
When the raw water 21 flows through the magnetic field 134 generated by the first and the 132 through the pipe 133, there is an effect that electric charges are induced in impurities in the raw water 21.
【００３６】３は熱交換部であり、シェル（低温側）３
１内を貫流する常温の原水２１によって、冷却伝熱管３
２内を流れる後述する高温処理水を冷却する液／液型熱
交換器である。Reference numeral 3 denotes a heat exchange unit, which is a shell (low temperature side) 3
The cooling water transfer tube 3 is formed by the raw water 21 at room temperature flowing through
This is a liquid / liquid heat exchanger that cools high-temperature treated water, which will be described later, flowing through the inside of the heat exchanger.
【００３７】４は、熱交換部３に連接された加熱部であ
り、熱交換部３による高温処理水の冷却により昇温され
てシェル（低温側）４１内を流れる中温原水２２を、加
熱伝熱管４２内を流れる中温蒸気６１が昇温させるもの
で、上記中温蒸気６１を蒸気ボイラ等の熱源６で発生さ
せる気／液型熱交換器である。Reference numeral 4 denotes a heating section connected to the heat exchange section 3, which heats the medium-temperature raw water 22 flowing through the shell (low-temperature side) 41 by cooling the high-temperature treated water by the heat exchange section 3, and heats the medium. This is a gas / liquid heat exchanger that raises the temperature of the medium-temperature steam 61 flowing in the heat pipe 42 and generates the medium-temperature steam 61 by the heat source 6 such as a steam boiler.
【００３８】５も、同様の熱交換器型の保持器であり、
加熱部４で昇温された高温原水２３を、保持槽５１内に
装着された保持伝熱管５２内を流れる低温蒸気６２によ
って、更に昇温または温度維持しながら、規定時間保持
するだけの容積を有する殺菌装置である。5 is a similar heat exchanger type retainer.
The high-temperature raw water 23 heated by the heating unit 4 is cooled by the low-temperature steam 62 flowing through the holding heat transfer tube 52 attached to the holding tank 51 to further increase the temperature or maintain the temperature, so that the volume sufficient to hold the specified time is maintained. It is a sterilization device having.
【００３９】つまり、上記加熱伝熱管４２と保持伝熱管
５２とは、熱源６である蒸気ボイラの供給口に連続して
連通されており、これら加熱部４と保持器５とによって
殺菌処理部が構成されている。That is, the heating heat transfer tube 42 and the holding heat transfer tube 52 are continuously communicated with the supply port of the steam boiler, which is the heat source 6. It is configured.
【００４０】保持器５内で殺菌処理された高温原水２３
は、高温処理水２４となって、高温処理水配管５３を経
て、前記熱交換部３の冷却伝熱管３２に送られ、規定温
度まで冷却された低温処理水２５となり、低温処理水配
管３３を通って浄化槽７に送られて夾雑物を除去され
て、公共下水道に放流される。High-temperature raw water 23 sterilized in cage 5
Is converted into high-temperature treated water 24, sent to the cooling heat transfer pipe 32 of the heat exchange unit 3 via the high-temperature treated water pipe 53, and turned into low-temperature treated water 25 cooled to a specified temperature. The wastewater is sent to the septic tank 7 to remove impurities and discharged to the public sewer.
【００４１】次に、このように構成された病源性微生物
を含有する排水の処理装置によって、病源性微生物を含
んだ虞のある各種洗濯排水を処理する方法を、温度変化
を主体として図２のブロックフローを参照しながら説明
する。なお、各部位の温度等の数値は、平均的な一例で
ある。Next, a method of treating various kinds of washing wastewater which may contain pathogenic microorganisms by the wastewater treatment apparatus containing pathogenic microorganisms constituted as described above will be described with reference to FIG. This will be described with reference to a block flow. The numerical values such as the temperature of each part are average examples.
【００４２】原水槽１１内に貯留された原水２１は、貯
留中の放熱の結果２０℃の常温となり、原水ポンプ１２
によって前処理器１３に送られる。The raw water 21 stored in the raw water tank 11 has a normal temperature of 20 ° C. as a result of heat radiation during storage, and the raw water pump 12
To the pre-processor 13.
【００４３】前処理器１３では、永久磁石１３１、１３
２による磁界１３４中を原水２１が貫流することによ
り、原水２１中の夾雑物に電荷を誘起させ、その結果、
荷電されたスケール、スライム、銹等の夾雑物の粒子
は、同一極性のため相互反発しながら流れるために、輸
送経路の壁面に堆積・付着することはない。In the pretreatment device 13, the permanent magnets 131, 13
2 causes the raw water 21 to flow through the magnetic field 134, thereby inducing charges in the contaminants in the raw water 21. As a result,
The charged particles of impurities such as scale, slime, and rust flow while repelling each other due to the same polarity, so that they do not accumulate and adhere to the walls of the transport route.
【００４４】前処理器１３を通過した原水２１は、熱交
換部３に送入され、保持器５から返送されて冷却伝熱管
３２内を流れる高温処理水２４によって昇温されて５５
℃の中温原水２２となって、後続の加熱部４に送入され
る。The raw water 21 that has passed through the pretreatment unit 13 is sent to the heat exchange unit 3, returned from the holder 5, and heated by the high-temperature treatment water 24 flowing through the cooling heat transfer pipe 32 to 55
The raw water 22 is fed into the subsequent heating unit 4 as the medium-temperature raw water 22 ° C.
【００４５】加熱部４に送入された中温原水２２は、加
熱伝熱管４２内を流れる２kg／cm2で１２１℃の中温蒸
気６１によって加熱されて８０℃の高温原水２３となっ
て保持器５に流れる。また、加熱伝熱管４２で中温原水
２２に与熱した中温蒸気６１は、降温して１０５℃の低
温蒸気６２となって保持伝熱管５２に流れる。The medium-temperature raw water 22 fed into the heating unit 4 is heated by the medium-temperature steam 61 at 121 ° C. at 2 kg / cm 2 flowing through the heating heat transfer pipe 42 to become the high-temperature raw water 23 at 80 ° C. Flows to The medium-temperature steam 61 heated to the medium-temperature raw water 22 by the heating heat transfer tube 42 is cooled to a low-temperature steam 62 of 105 ° C. and flows to the holding heat transfer tube 52.
【００４６】ここで保持器５は、送入された高温原水２
３が保持槽５１を通過するのに、約１０分間を要するよ
うな容積を有しており、該高温原水２３は、保持槽５１
内に設けられた保持伝熱管５２内を流れる上記低温蒸気
６２によって、８０℃以上の殺菌温度を１０分間維持す
ることになり、洗濯排水中に混在する病源性微生物を完
全に殺菌することができる。Here, the retainer 5 is used to store the supplied high-temperature raw water 2.
3 has a volume such that it takes about 10 minutes for the hot raw water 23 to pass through the holding tank 51.
The low-temperature steam 62 flowing through the holding heat transfer tube 52 provided therein maintains the sterilizing temperature of 80 ° C. or higher for 10 minutes, and can completely sterilize pathogenic microorganisms mixed in the washing wastewater. .
【００４７】殺菌された高温原水２３は、高温処理水２
４となって熱交換部３に送られる。一方、保持伝熱管５
２を通過した低温蒸気６２は、ドレン６３となって再び
熱源６に回収される。The sterilized high-temperature raw water 23 is the high-temperature treated water 2
It becomes 4 and is sent to the heat exchange unit 3. On the other hand, the holding heat transfer tube 5
The low-temperature steam 62 that has passed through 2 becomes a drain 63 and is recovered by the heat source 6 again.
【００４８】ここで、保持器５における殺菌温度制御
は、図１に示すように、高温処理水配管５３に設けられ
た温度計８１の検出値を受けた制御装置８の指令で、熱
源６の出口に設けられた温度制御弁６４を調整すること
により行われる。Here, as shown in FIG. 1, the sterilization temperature of the heat source 6 is controlled by the control device 8 receiving the detection value of the thermometer 81 provided in the high temperature treated water pipe 53, as shown in FIG. This is performed by adjusting the temperature control valve 64 provided at the outlet.
【００４９】また、保持槽５１内の滞留時間は、図１に
示すように、低温処理水配管３３に設けられた流量計８
２の検出値を演算した制御装置８の指令により、流量制
御弁１４の開度調節を行うことで補正される。The residence time in the holding tank 51 is, as shown in FIG.
The correction is performed by adjusting the opening of the flow control valve 14 in accordance with a command from the control device 8 that has calculated the detection value of 2.
【００５０】そして、熱交換部３内の冷却伝熱管３２に
送入された高温処理水２４は、その保有する熱量を原水
２１によって奪われ、下水道法に定められた放流規定温
度である４５℃以下の低温処理水２５となって、浄化槽
７に送られる。The high-temperature treated water 24 sent to the cooling heat transfer tube 32 in the heat exchange section 3 is deprived of the retained heat by the raw water 21 and is discharged at 45 ° C., which is the specified discharge temperature specified by the Sewerage Law. The following low-temperature treated water 25 is sent to the septic tank 7.
【００５１】即ち、原水２１の予熱は、高温処理水２４
の与熱によって行なわれることにより、熱エネルギーが
有効に利用でき、高温処理水２４は、原水２１によって
冷却されるので、従来の冷却水が不要となる方式であ
る。That is, the raw water 21 is preheated by treating the high-temperature treated water 24
In this method, the heat energy can be effectively used, and the high-temperature treated water 24 is cooled by the raw water 21, so that conventional cooling water is unnecessary.
【００５２】一方、前述の原水２１内に存在するスケー
ル、スライム、銹等の夾雑物の粒子は、前処理器１３を
通過して荷電されることにより相互反発して、上述の殺
菌処理工程中は、各原水２１、２２、２３や各処理水２
４、２５中に浮遊しており、これら浮遊物は浄化槽７に
おいて濾過等の処理を施され、無害処理水として公共下
水道に放流される。On the other hand, particles of impurities such as scale, slime, rust and the like existing in the raw water 21 pass through the pretreatment device 13 and are repelled by being charged. Means each raw water 21, 22, 23 and each treated water 2
These suspended matters are subjected to a treatment such as filtration in the septic tank 7 and discharged to the public sewer as harmless treated water.
【００５３】なお、加熱部４と保持器５における熱源６
による原水加熱を、蒸気ボイラを使用した熱交換器方式
で説明したが、熱水ボイラ方式でもよく、中・高温原水
２２・２３を電気ヒータによって直接加熱する方式でも
よい。The heat source 6 in the heating section 4 and the holder 5
Has been described in the heat exchanger system using a steam boiler, but may be a hot water boiler system or a system in which the medium and high temperature raw waters 22 and 23 are directly heated by an electric heater.
【００５４】また、保持槽５１内の高温原水２３の滞留
時間を、流量制御弁１４の開度によって調整したが、原
水ポンプ１２の回転数制御で行ってもよい。Although the residence time of the high-temperature raw water 23 in the holding tank 51 is adjusted by the opening degree of the flow control valve 14, it may be controlled by controlling the rotation speed of the raw water pump 12.
【００５５】さらに、前処理器１３は、永久磁石１３
１、１３２の磁界による磁気処理器で説明したが、夾雑
物粒子を遊離させる他方式の物理的水処理器でもよい。Further, the pretreatment device 13 includes a permanent magnet 13
Although the description has been made of the magnetic processor using the magnetic field of 1, 132, another type of physical water processor for releasing contaminant particles may be used.
【００５６】また、低温処理水２５は、浄化槽７で処理
することなく、直接公共下水道に放流し、下水処理場で
一括処理する方式でもよい。Alternatively, the low-temperature treated water 25 may be discharged directly to a public sewer without being treated in the septic tank 7, and may be collectively treated in a sewage treatment plant.
【００５７】[0057]
【発明の効果】以上述べたように、本発明によれば、熱
交換部において原水と高温処理水との間で熱交換を行う
ことで、熱を有効に利用することができ、冷却水が不要
となって、運転経費が削減できる。また、排水の殺菌処
理作業を連続操業方式で行うことにより、処理所要時間
の短縮が図れるとともに、装置がコンパクト化されて設
備費が安く、据付に必要なスペースも少なくてすむ。As described above, according to the present invention, heat can be effectively used by performing heat exchange between raw water and high-temperature treated water in the heat exchange section, and the cooling water can be efficiently used. It becomes unnecessary and the operating cost can be reduced. In addition, by performing the wastewater sterilization treatment in a continuous operation system, the time required for treatment can be shortened, the equipment can be made compact, equipment costs can be reduced, and the space required for installation can be reduced.
【００５８】さらに、原水槽から送出される排水中の夾
雑物を前処理器で遊離させるため、移送経路の壁面への
スケール、スライムまたは銹等の付着を防止でき、この
ため、感染の危険がある装置内の掃除の手間が省けるだ
けでなく、熱効率の低下も防止できるとともに、スケー
ル除去に必要な薬品類等の維持管理費も節減できる。Further, since impurities in the wastewater sent out from the raw water tank are released by the pretreatment device, it is possible to prevent scale, slime, rust or the like from adhering to the wall surface of the transfer path, thereby reducing the risk of infection. In addition to saving the trouble of cleaning the inside of a certain apparatus, it is possible to prevent a decrease in thermal efficiency and to reduce the maintenance cost of chemicals and the like necessary for scale removal.
【図１】本発明に係る病源性微生物を含有する排水の処
理装置の概略を示すフロー図である。FIG. 1 is a flow chart schematically showing an apparatus for treating wastewater containing pathogenic microorganisms according to the present invention.
【図２】病源性微生物を含有する排水の処理方法を説明
するブロックフロー図である。FIG. 2 is a block flow diagram illustrating a method for treating wastewater containing pathogenic microorganisms.
【図３】前処理器の機能を説明するための図である。FIG. 3 is a diagram for explaining a function of a preprocessor.
【図４】従来の洗濯装置による病源性微生物付着の虞が
ある繊維品の洗濯・殺菌装置の一例を示す概略構成図で
ある。FIG. 4 is a schematic configuration diagram showing an example of a washing / sterilizing apparatus for textiles in which there is a risk of pathogenic microorganisms adhering by a conventional washing apparatus.
【図５】従来の洗濯装置による洗濯・殺菌処理工程の大
要を示すブロックフロー図である。FIG. 5 is a block flow diagram showing an outline of a washing / sterilizing treatment process by a conventional washing device.
【図６】従来のさらに他の殺菌設備の概要を示す図であ
る。FIG. 6 is a diagram showing an outline of still another conventional sterilization facility.
３ 熱交換部 ４ 加熱部 ５ 保持器 １１ 原水槽 １３ 前処理器 3 Heat exchange unit 4 Heating unit 5 Cage 11 Raw water tank 13 Pretreatment device
Claims (3)
処理装置であって、 上記排水を貯留する原水槽と、 原水槽から送出される排水を適宜な熱源により加熱し、
当該加熱した状態で所定時間保持する殺菌処理部と、 前記原水槽と殺菌処理部との間に介装され、原水槽から
送出される排水と前記殺菌処理部から排出される高温の
処理水との間で熱交換する熱交換部とから構成されたこ
とを特徴とする病源性微生物を含有する排水の処理装
置。1. A treatment apparatus for treating wastewater containing pathogenic microorganisms, comprising: a raw water tank for storing the wastewater; and a wastewater sent from the raw water tank heated by an appropriate heat source.
A sterilization processing unit that holds the heated state for a predetermined time, and is disposed between the raw water tank and the sterilization processing unit, and wastewater sent out from the raw water tank and high-temperature treated water discharged from the sterilization processing unit. And a heat exchange unit for exchanging heat between the wastewater and the wastewater.
原水槽から送出される排水中の夾雑物を遊離させる前処
理器が介装された請求項１記載の病源性微生物を含有す
る排水の処理装置。2. Between the raw water tank and the heat exchange unit,
The wastewater treatment device containing pathogenic microorganisms according to claim 1, further comprising a pretreatment device for releasing impurities in the wastewater sent from the raw water tank.
処理方法であって、 上記排水を原水槽に一時貯留し、原水槽から連続送出さ
れる排水に前処理を施して排水中の夾雑物を遊離させた
後、殺菌温度以上に昇温して所定時間保持し、その後、
前記原水槽から送出される排水との間で熱交換して排出
されることを特徴とする病源性微生物を含有する排水の
処理方法。3. A treatment method for treating wastewater containing pathogenic microorganisms, wherein said wastewater is temporarily stored in a raw water tank, and the wastewater continuously sent from the raw water tank is subjected to a pretreatment to remove impurities in the wastewater. After releasing, the temperature is raised to the sterilization temperature or higher and held for a predetermined time, and then
A method for treating wastewater containing pathogenic microorganisms, wherein the wastewater is discharged after heat exchange with wastewater sent from the raw water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18636197A JPH1128452A (en) | 1997-07-11 | 1997-07-11 | Device for treating pathogenic microorganism containing waste water and treatment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18636197A JPH1128452A (en) | 1997-07-11 | 1997-07-11 | Device for treating pathogenic microorganism containing waste water and treatment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1128452A true JPH1128452A (en) | 1999-02-02 |
Family
ID=16187039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18636197A Pending JPH1128452A (en) | 1997-07-11 | 1997-07-11 | Device for treating pathogenic microorganism containing waste water and treatment thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1128452A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102452663B1 (en) * | 2022-03-11 | 2022-10-11 | 주식회사 에코엔텍 | Wastewater treatment apparatus which is controllable the inflow of the treated water and penton oxidation |
| KR102452659B1 (en) * | 2022-03-11 | 2022-10-11 | 주식회사 에코엔텍 | Wastewater treatment apparatus having the circulation guide part of the treated water |
| KR102452661B1 (en) * | 2022-03-11 | 2022-10-11 | 주식회사 에코엔텍 | Wastewater treatment apparatus which is controllable the inflow of the treated water |
| KR102452662B1 (en) * | 2022-03-11 | 2022-10-11 | 주식회사 에코엔텍 | Wastewater treatment apparatus having the circulation guide unit of penton oxidation and treated water |
-
1997
- 1997-07-11 JP JP18636197A patent/JPH1128452A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102452663B1 (en) * | 2022-03-11 | 2022-10-11 | 주식회사 에코엔텍 | Wastewater treatment apparatus which is controllable the inflow of the treated water and penton oxidation |
| KR102452659B1 (en) * | 2022-03-11 | 2022-10-11 | 주식회사 에코엔텍 | Wastewater treatment apparatus having the circulation guide part of the treated water |
| KR102452661B1 (en) * | 2022-03-11 | 2022-10-11 | 주식회사 에코엔텍 | Wastewater treatment apparatus which is controllable the inflow of the treated water |
| KR102452662B1 (en) * | 2022-03-11 | 2022-10-11 | 주식회사 에코엔텍 | Wastewater treatment apparatus having the circulation guide unit of penton oxidation and treated water |
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