JPH0220080Y2 - - Google Patents
Info
- Publication number
- JPH0220080Y2 JPH0220080Y2 JP11618584U JP11618584U JPH0220080Y2 JP H0220080 Y2 JPH0220080 Y2 JP H0220080Y2 JP 11618584 U JP11618584 U JP 11618584U JP 11618584 U JP11618584 U JP 11618584U JP H0220080 Y2 JPH0220080 Y2 JP H0220080Y2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- contact tank
- dehydrator
- contact
- organic sludge
- 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
- 239000010802 sludge Substances 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 2
- 238000005469 granulation Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 29
- 239000008188 pellet Substances 0.000 description 13
- 239000000446 fuel Substances 0.000 description 4
- 239000004449 solid propellant Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000003898 horticulture Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000010801 sewage sludge Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000010800 human waste Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000010169 landfilling Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material 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
- 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
Landscapes
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、下水、し尿、各種産業廃水などの有
機性汚水処理において発生する汚泥や蓄ふん等の
各種有機性汚泥を固形燃料化するための装置に関
するものである。[Detailed description of the invention] [Field of industrial application] This invention is used to convert various organic sludges such as sludge and accumulated feces generated in the treatment of organic sewage such as sewage, human waste, and various industrial wastewater into solid fuel. The invention relates to a device.
従来、有機性汚泥は、埋立て、焼却等によつて
処分されている例が大半であり、その場合系外か
ら多量の燃料、薬品等を投入することによつて辛
うじて処分しているのが実状であつた。また、有
機性汚泥を脱水、乾燥して肥料として有効利用す
る試みもあるが、これまた乾燥用燃費を多く必要
とする等の問題点もあつた。
Traditionally, most organic sludge has been disposed of by landfilling, incineration, etc., and in these cases, it is only possible to dispose of it by injecting large amounts of fuel, chemicals, etc. from outside the system. It was the actual situation. There have also been attempts to effectively use organic sludge as fertilizer by dehydrating and drying it, but this also had problems such as requiring a large amount of fuel for drying.
本考案は、従来の有機性汚泥処分の観念から脱
却し、各種有機性汚泥を発熱量高く、燃焼性にも
優れた固形燃料に変換し、施設園芸その他燃料を
多量に必要とする産業に有効利用し得るように
し、処分に困つていた有機性汚泥の資源化の途を
開くようにした新規な装置を提供しようとするも
のである。
This invention breaks away from the conventional concept of organic sludge disposal and converts various types of organic sludge into solid fuel with high calorific value and excellent flammability, making it effective for greenhouse horticulture and other industries that require large amounts of fuel. The aim is to provide a new device that opens the way to the recycling of organic sludge, which has been difficult to dispose of.
本考案は、有機性汚泥を脱水する脱水機と、該
脱水機で得られた脱水ケーキと熱油とを接触せし
める接触槽を配備し、さらに該接触槽から流出す
るスチームを前記脱水機に供給する管路及び前記
接触槽から流出する乾燥物懸濁油を固液分離する
分離機を設けたことを特徴とする有機性汚泥の処
理装置である。
The present invention is equipped with a dehydrator for dewatering organic sludge, a contact tank for bringing the dehydrated cake obtained by the dehydrator into contact with hot oil, and further supplies steam flowing out from the contact tank to the dehydrator. This organic sludge treatment apparatus is characterized in that it is provided with a separator for solid-liquid separation of dry matter suspended oil flowing out from the contact tank.
本考案の一実施例を図面を参照しながら説明す
れば、１は有機性汚泥２を導き脱水分離機３を排
出させて脱水ケーキ４を得る例えばスクリユープ
レス脱水機で、５は脱水ケーキ４をペレツト６化
するスクリユー押出し造粒機である。７は内部に
重油などの難揮発性の熱油８を導き、撹拌機９な
どで前記ペレツト６と熱油８とを接触せしめる密
閉型接触槽で、１０は接触槽７から流出する乾燥
したペレツト６を懸濁した油から含油乾燥ペレツ
ト６′と油を分離する固液分離機であつて、周辺
フイード回転スクリーン、傾斜型ウエツジワイヤ
スクリーン等の耐熱性のスクリーン又は砂、アン
スラサイトなどの耐熱性の粒状材を充填した
過機が使用される。また、固液分離機１０にて分
離された分離油１１を接触槽７にリサイクルする
ための返送管路１２を設けるとよく、さらに返送
管路１２の途中又は接触槽７の内部あるいは外筒
に油加熱部を設けることが好ましい。なお、前記
スクリユー押出し造粒機５を別に設けることな
く、密閉型接触槽７内に造粒部を配備してもよ
い。
An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes, for example, a screw press dehydrator for introducing organic sludge 2 and discharging it through a dewatering separator 3 to obtain a dehydrated cake 4; 5 denotes a dehydrated cake 4; This is a screw extrusion granulator that converts into pellets. Reference numeral 7 denotes a closed type contact tank in which a hardly volatile hot oil 8 such as heavy oil is introduced, and the pellets 6 and the hot oil 8 are brought into contact with each other using a stirrer 9 or the like. This is a solid-liquid separator that separates oil-impregnated dry pellets 6' and oil from oil in which pellets 6 are suspended. A filter filled with granular material is used. Further, it is preferable to provide a return pipe 12 for recycling the separated oil 11 separated by the solid-liquid separator 10 to the contact tank 7, and furthermore, it is preferable to provide a return pipe 12 for recycling the separated oil 11 separated by the solid-liquid separator 10 to the contact tank 7. Preferably, an oil heating section is provided. Note that the granulation section may be provided within the closed contact tank 7 without separately providing the screw extrusion granulator 5.
さらに、スクリユープレス脱水機１内のスクリ
ユーシヤフト１３と接触槽とは管路１４にて連結
され、接触槽７から発生するスチームをスクリユ
ーシヤフト１３へ導くようにしてある。 Furthermore, the screw shaft 13 in the screw press dehydrator 1 and the contact tank are connected through a pipe line 14 so that steam generated from the contact tank 7 is guided to the screw shaft 13.
図中、１５は油から分離された含油乾燥ペレツ
ト６′を貯留するホツパであつて、貯留中さらに
付着油をきるようにスクリーン状たらしめるとよ
く、１６はスチーム凝縮水のドレン、１７は補給
油を示す。 In the figure, 15 is a hopper for storing the oil-containing dry pellets 6' separated from the oil, and it is preferable to have a screen shape to remove adhering oil during storage, 16 is a drain for steam condensed water, and 17 is a replenishment hopper. Shows oil.
しかして、例えば下水汚泥２は、カチオンポリ
マなどの各種の脱水助剤が注入されたのち、密閉
型接触槽７から管路１４を経てスクリユーシヤフ
ト１３内に導かれるスチームによつて加熱されな
がらスクリユープレス１で脱水され、含水率55〜
65％程度の低含水率の脱水ケーキ４となる。この
脱水ケーキは、さらに造粒機５によつて粒径３〜
10mm程度のペレツト６に造粒されたのち、ペレツ
ト６は温度70〜180℃程度に加熱されている重油
（廃油でもよい）その他の熱油８が収容されてい
る密閉型接触槽７に供給され、数分〜数十分間熱
油８と接触させる。この結果、ペレツト６中の水
分は蒸発により減少し、蒸発スチームは管路１４
を経てスクリユープレス脱水機１のスクリユーシ
ヤフト１３内に導かれ、前述したように汚泥２の
加熱に利用される。 For example, the sewage sludge 2 is heated by steam guided from the closed contact tank 7 through the pipe 14 into the screw shaft 13 after various dehydration aids such as cationic polymers are injected into the sewage sludge 2. Dehydrated with Screw Press 1, moisture content 55 ~
The resulting dehydrated cake 4 has a low moisture content of about 65%. This dehydrated cake is further processed by a granulator 5 to have a particle size of 3 to 3.
After being granulated into pellets 6 of about 10 mm, the pellets 6 are supplied to a closed contact tank 7 containing heavy oil (waste oil may also be used) or other hot oil 8 heated to a temperature of about 70 to 180°C. , and contact with hot oil 8 for several minutes to several tens of minutes. As a result, the moisture in the pellet 6 is reduced by evaporation, and the evaporated steam is transferred to the pipe 14.
The sludge is introduced into the screw shaft 13 of the screw press dehydrator 1, and is used to heat the sludge 2 as described above.
かくて、熱油８がしみ込んだ含油乾燥ペレツト
６と熱油８との乾燥物懸濁油は回転スクリーン等
の固液分離機１０によつて、容易かつ少動力で分
離され、ホツパ１５に貯留される。 In this way, the oil-impregnated dry pellets 6 impregnated with the hot oil 8 and the dried suspended oil of the hot oil 8 are easily separated with little power by the solid-liquid separator 10 such as a rotating screen, and stored in the hopper 15. be done.
このようにして分離回収された含油乾燥ペレツ
ト６′は、水分10％以下となつており、しかも油
を含有しているので発熱量が高く、固形燃料とし
て有効に利用することができる。 The oil-containing dry pellets 6' thus separated and recovered have a moisture content of 10% or less, and since they contain oil, they have a high calorific value and can be effectively used as solid fuel.
また、固液分離機１０で分離された分離油１１
は、返送管路１２を経て接触槽７にリサイクルさ
れるが、油の加熱源として生産された含油乾燥ペ
レツト６′を利用することができる。 In addition, separated oil 11 separated by the solid-liquid separator 10
The oil is recycled to the contact tank 7 via the return pipe 12, but the produced oil-impregnated dry pellets 6' can be used as a heating source for the oil.
以上述べたように本発明によれば、次のような
きわめて有益なる効果を得ることができる。
As described above, according to the present invention, the following extremely beneficial effects can be obtained.
従来、多大の経費をかけてむなしく埋立てあ
るいは焼却等の処分をしていた有機性汚泥を、
水分が少なく発熱量が高い固形燃料に変換でき
るから、施設園芸その他の各種産業に有効利用
し、その省エネルギ化に貢献することができ
る。 Organic sludge, which was previously disposed of by landfill or incineration at great expense, is
Since it can be converted into solid fuel with low moisture content and high calorific value, it can be effectively used in greenhouse horticulture and other various industries, contributing to energy conservation.
脱水ケーキの熱油との接触槽から発生するス
チームを、汚泥脱水機の加熱源に再利用するか
ら、脱水ケーキの含水率が少なくなり、脱水ケ
ーキ乾燥用の燃費が節減できる。 Since the steam generated from the contact tank of the dehydrated cake with hot oil is reused as a heating source for the sludge dehydrator, the moisture content of the dehydrated cake is reduced, and fuel consumption for drying the dehydrated cake can be reduced.
脱水ケーキを熱油と接触させたのち、固液分
離するから、きわめて小動力で固液分離が可能
となる。 Since the dehydrated cake is brought into contact with hot oil and then subjected to solid-liquid separation, solid-liquid separation is possible with extremely low power.
図面は本考案の一実施例を示す構成説明図であ
る。
１……スクリユープレス脱水機、２……有機性
汚泥、３……脱水分離水、４……脱水ケーキ、５
……造粒機、６……ペレツト、６′……含油乾燥
ペレツト、７……密閉型接触槽、８……熱油、９
……撹拌機、１０……固液分離機、１１……分離
油、１２……返送管路、１３……スクリユーシヤ
フト、１４……管路、１５……ホツパ、１６……
スチーム凝縮水のドレン、１７……補給油。
The drawings are configuration explanatory diagrams showing one embodiment of the present invention. 1...Screw press dehydrator, 2...Organic sludge, 3...Dehydrated separated water, 4...Dehydrated cake, 5
... Granulator, 6 ... Pellet, 6' ... Oil-impregnated dry pellet, 7 ... Closed contact tank, 8 ... Hot oil, 9
... Stirrer, 10 ... Solid-liquid separator, 11 ... Separated oil, 12 ... Return pipe, 13 ... Screw shaft, 14 ... Pipe line, 15 ... Hopper, 16 ...
Drain of steam condensate, 17...supply oil.
Claims (1)
得られた脱水ケーキと熱油とを接触せしめる接
触槽を配備し、さらに該接触槽から流出するス
チームを前記脱水機に供給する管路及び前記接
触槽から流出する乾燥物懸濁油を固液分離する
分離機を設けたことを特徴とする有機性汚泥の
処理装置。 (2) 前記接触槽が熱油と接触する脱水ケーキをペ
レツト化する造粒部を配備したものである実用
新案登録請求の範囲第１項記載の有機性汚泥の
処理装置。[Scope of Claim for Utility Model Registration] (1) A dehydrator for dewatering organic sludge, a contact tank for bringing the dehydrated cake obtained by the dehydrator into contact with hot oil, and furthermore, water flowing out from the contact tank. An apparatus for treating organic sludge, comprising a pipe line for supplying steam to the dehydrator and a separator for solid-liquid separation of dried suspended oil flowing out from the contact tank. (2) The organic sludge treatment apparatus according to claim 1, wherein the contact tank is provided with a granulation unit that pelletizes the dehydrated cake that comes into contact with hot oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11618584U JPS6133700U (en) | 1984-07-31 | 1984-07-31 | Organic sludge treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11618584U JPS6133700U (en) | 1984-07-31 | 1984-07-31 | Organic sludge treatment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6133700U JPS6133700U (en) | 1986-02-28 |
| JPH0220080Y2 true JPH0220080Y2 (en) | 1990-06-01 |
Family
ID=30675131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11618584U Granted JPS6133700U (en) | 1984-07-31 | 1984-07-31 | Organic sludge treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6133700U (en) |
-
1984
- 1984-07-31 JP JP11618584U patent/JPS6133700U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6133700U (en) | 1986-02-28 |
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