JPH02284685A - Apparatus for treating waste oil - Google Patents
Apparatus for treating waste oilInfo
- Publication number
- JPH02284685A JPH02284685A JP10353589A JP10353589A JPH02284685A JP H02284685 A JPH02284685 A JP H02284685A JP 10353589 A JP10353589 A JP 10353589A JP 10353589 A JP10353589 A JP 10353589A JP H02284685 A JPH02284685 A JP H02284685A
- Authority
- JP
- Japan
- Prior art keywords
- waste oil
- tank
- oil
- water
- sent
- 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
- 239000002699 waste material Substances 0.000 title claims abstract description 66
- 238000001704 evaporation Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 14
- 230000008020 evaporation Effects 0.000 abstract description 20
- 239000007787 solid Substances 0.000 abstract description 10
- 239000003921 oil Substances 0.000 description 56
- 235000019198 oils Nutrition 0.000 description 56
- 239000007788 liquid Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 239000000295 fuel oil Substances 0.000 description 7
- 239000010802 sludge Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 238000009834 vaporization Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003828 vacuum filtration Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000006124 Pilkington process Methods 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011271 tar pitch Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000010887 waste solvent Substances 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の目的］
（産業上の利用分野）
本発明は廃油から水分を除去して処理する廃油処理装置
に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Field of Application) The present invention relates to a waste oil treatment device that removes moisture from waste oil and processes it.
（従来の技術）
多くの産業において鉱物性油および動植物性油を含む廃
油が生じている。この廃油は、原燃料部系、潤滑油系、
絶縁浦系、清浄用油および切削油系の廃油類、廃溶剤類
およびタールピッチ類など様々な種類のものがある。こ
れらの廃油の中でも、原燃料部系、潤滑油系廃油は固形
分、水分とも少ないので再利用が容易である。その方法
としては直接、燃料として燃やす方法、水分や固形分等
を機械的に分離して燃料油として回収する方法がある。BACKGROUND OF THE INVENTION Many industries produce waste oils, including mineral oils and animal and vegetable oils. This waste oil is used for raw fuel, lubricating oil,
There are various types such as insulating oil, cleaning oil, cutting oil, waste solvent, and tar pitch. Among these waste oils, raw fuel oil and lubricating oil waste oils are easy to reuse because they have low solid content and water content. Methods for this include directly burning it as fuel, and mechanically separating moisture, solid content, etc. and recovering it as fuel oil.
また、蒸留して潤滑油や燃料油として再生する方法もあ
る。Another method is to distill it and regenerate it as lubricating oil or fuel oil.
しかし、油と水がエマルジせン状態になったもの、固形
分が多く混じっているものについては前処理が必要であ
る。従来、このような前処理に用いられる装置としては
、真空ろ道義、加圧ろ道義、遠心脱水機、加圧湿式酸化
装置、直火加熱気化装置などがある。However, pretreatment is required for oil and water emulsions and for those containing a large amount of solids. Conventionally, devices used for such pretreatment include vacuum filtration, pressure filtration, centrifugal dehydrators, pressurized wet oxidation devices, direct flame heating vaporization devices, and the like.
真空ろ道義は布類により固液分離を行なう。この場合、
ろ過は布の上に形成されたケーキ層がろ材の役を果たす
ことにより行なわれる。加圧ろ道義はスラッジを上下加
圧ローラーによって圧縮ろ過する。この方法は固形物濃
度が低い場合は適用しにくい。遠心脱水機は沈降分離の
容易な固形物含有汚泥に特に有効である。The vacuum filtration principle uses cloth to perform solid-liquid separation. in this case,
Filtration is performed by a cake layer formed on the cloth acting as a filter medium. Pressure filtering compresses and filters sludge using upper and lower pressure rollers. This method is difficult to apply when the solids concentration is low. Centrifugal dehydrators are particularly effective for solid-containing sludge that can be easily sedimented and separated.
直火加熱気化装置は廃油中の水分を分離除去するために
、廃油の入っている容器を直火で加熱し、水分を蒸発さ
せるものである。A direct flame heating vaporization device heats a container containing waste oil with an open flame to evaporate the water in order to separate and remove the water in the waste oil.
（発明が解決しようとする問題点）
」二足の廃油処理手段のうち、直火加熱気化方式で発生
した気体は水蒸気の外に有臭の物質も含まれることが多
いため、そのままでは大気中に排出できない。また、直
火加熱気化方式は加熱容器の底部が高温になるため、廃
油中に含まれる不純物が焦げ付き易く、定期的な清掃が
必要であり装置の効率的な運転上は障害となる。本発明
は廃油から蒸発させた気体を効率的に処理するとともに
、連続運転可能な廃油処理装置を得ることを目的とする
。(Problems to be Solved by the Invention) Of the two waste oil treatment methods, the gas generated by the direct flame heating vaporization method often contains odorous substances in addition to water vapor, so if left as is, it will not be released into the atmosphere. cannot be discharged. In addition, in the direct flame heating vaporization method, since the bottom of the heating container becomes high temperature, impurities contained in the waste oil are likely to burn, and regular cleaning is required, which is an obstacle to efficient operation of the device. An object of the present invention is to efficiently treat gas evaporated from waste oil and to obtain a waste oil treatment device that can be operated continuously.
［発明の構成］
（問題点を解決するための手段）
本発明の装置は、廃油から水分を除去して処理する廃油
処理装置において、ボイラーからのスチームを熱源とす
る熱交換器により廃油を水の沸点以−１−に加熱する手
段、加熱された廃油から気体を蒸発させる手段を含み、
また前記蒸発した気体を前記ボイラーの２次空気として
送り込み焼却する。[Structure of the Invention] (Means for Solving the Problems) The apparatus of the present invention is a waste oil treatment apparatus that removes moisture from waste oil and processes it by converting waste oil into water using a heat exchanger that uses steam from a boiler as a heat source. and means for evaporating gas from the heated waste oil,
Further, the evaporated gas is sent as secondary air to the boiler and incinerated.
（作用）
本発明の装置によれば、エマルシロン状態になっている
廃油中の水分をも効率よく除去できる。(Function) According to the apparatus of the present invention, water in waste oil that is in an emulsion state can also be efficiently removed.
これと、従来の廃油処理装置に用いられている遠心分離
器などを組み合わせることにより全体の処理の工程を一
層効率化できる。By combining this with a centrifugal separator used in conventional waste oil processing equipment, the overall processing process can be made even more efficient.
本発明の装置では廃油の加熱をボイラーからのスチーム
によって行なっているため、廃油の焦げ付き現象は発生
しない。またボイラーの２次空気として廃油から発生し
た気体を用いることにより、廃気体の焼却処理と廃油の
加熱を兼ねて行なうことができる。In the apparatus of the present invention, the waste oil is heated by steam from the boiler, so the phenomenon of burning of the waste oil does not occur. Furthermore, by using the gas generated from waste oil as the secondary air of the boiler, it is possible to incinerate the waste gas and heat the waste oil.
（実施例）
第１図は本発明の一実施例である廃油を再利用するシス
テムを説明する図である。タンクローリ−１などによっ
て運ばれた廃油は受は入れタンク２を経て廃油タンク３
に貯蔵される。廃油は廃油タンクＳから熱交換器４に送
られる。熱交換器の熱源は図示されていないがボイラー
８により供給されている。熱交換器４により加熱された
廃液は蒸発タンク５内に導かれる。蒸発タンク５内では
加熱された廃油から水分などが気化し、水蒸気を含む気
体として分離する。この気体は水蒸気以外に各種の有機
物などを含むためそのままでは大気中に排出せず、ブロ
アー７により２次空気としてボイラー８に送り込まれ、
焼却処理される。水分が除去された廃油は蒸発タンクか
ら遠心分離器９へ送られ、固形分を除去され再利用され
る状態の油となる。なお、１回の加熱、蒸発処理では通
常は不十分な場合が多いため、処理済みの廃油をもう一
度熱交換器４へ戻して再度加熱、蒸発処理を行なう。(Example) FIG. 1 is a diagram illustrating a system for reusing waste oil, which is an example of the present invention. Waste oil transported by tank truck 1 etc. is placed in a receiving tank, passes through tank 2, and then goes to waste oil tank 3.
stored in The waste oil is sent from the waste oil tank S to the heat exchanger 4. Although the heat source for the heat exchanger is not shown, it is supplied by a boiler 8. The waste liquid heated by the heat exchanger 4 is led into the evaporation tank 5. In the evaporation tank 5, water and the like evaporate from the heated waste oil and separate it as a gas containing water vapor. Since this gas contains various organic substances in addition to water vapor, it is not discharged into the atmosphere as it is, but is sent to the boiler 8 as secondary air by the blower 7.
Incinerated. The waste oil from which water has been removed is sent from the evaporation tank to the centrifugal separator 9, where the solid content is removed and the oil is ready for reuse. Note that one heating and evaporation treatment is usually insufficient, so the treated waste oil is returned to the heat exchanger 4 once again and the heating and evaporation treatment is performed again.
第２図は本発明の他の実施例である廃油から再生重油を
製造するシステムを説明する図である。FIG. 2 is a diagram illustrating a system for producing recycled heavy oil from waste oil, which is another embodiment of the present invention.
遠心分離器に廃油が送られるところまでは第１図と同様
である。水分が除去された廃油は遠心分離器９により固
形分を除去される。分離された固形分、スラッジはスラ
ッジタンク１０に送られる。The process up to the point where the waste oil is sent to the centrifugal separator is the same as in FIG. The waste oil from which water has been removed is subjected to a centrifugal separator 9 to remove solid content. The separated solids and sludge are sent to a sludge tank 10.
スラッジが除去された廃油はストレーナＩＩを通して再
生重油タンク１２に貯蔵される。The waste oil from which sludge has been removed is stored in the recycled heavy oil tank 12 through the strainer II.
第３図は本発明の装置において使用されるボイラーの一
例を示す図である。ボイラー１３に供給される燃料油は
燃料供給器１４から１次空気の流れに乗せてノズル１５
から燃焼室内１６へ噴射される。このとき使用する燃料
は本発明の装置で作られる再生油でも、別の燃料油でも
よい。蒸発タンクで発生した気体はブロアーにより２次
空気としてノズル１５周辺に送り込まれ、燃焼室１６に
て焼却される。この処理により廃油から発生した気体は
臭い成分などの仔害成分が分解され、大気中に放散でき
るようになる。そして、この焼却処理を行なうことで熱
交換器の熱源であるスチームをも発生させることができ
る。FIG. 3 is a diagram showing an example of a boiler used in the apparatus of the present invention. The fuel oil supplied to the boiler 13 is carried by the primary air flow from the fuel supply device 14 to the nozzle 15.
and is injected into the combustion chamber 16. The fuel used at this time may be recycled oil produced by the apparatus of the present invention or another fuel oil. The gas generated in the evaporation tank is sent around the nozzle 15 as secondary air by a blower, and is incinerated in the combustion chamber 16. Through this treatment, the odor and other harmful components of the gas generated from the waste oil are decomposed and can be released into the atmosphere. By performing this incineration process, it is also possible to generate steam, which is the heat source for the heat exchanger.
第４図は熱交換器と蒸発タンクの部分を示す図である。FIG. 4 is a diagram showing the heat exchanger and evaporation tank.
熱交換器には図示されていない廃ガス焼却兼用のボイラ
ーからスチームが送られてきており、廃油がポンプ２１
により熱交換器１７の上部に給送され、熱交換器の下部
に至る末での間に水の沸点より高い温度にまで加熱され
る。加熱された廃油は蒸発タンク１８中に送られ、ここ
で蒸発気化が行なわれる。加熱された廃油から発生した
気体は図示されていないブロアーによりボイラーへ送ら
れる。Steam is sent to the heat exchanger from a boiler that also serves as waste gas incineration (not shown), and waste oil is sent to the pump 21.
The water is fed to the upper part of the heat exchanger 17 and heated to a temperature higher than the boiling point of water as it reaches the lower part of the heat exchanger. The heated waste oil is sent to the evaporation tank 18, where it is evaporated. Gas generated from the heated waste oil is sent to the boiler by a blower (not shown).
蒸発タンク１８のなかでは加熱された廃油は気体成分と
分離して次の処理］二程へ回されるが、廃液の成分によ
っては蒸発タンク内で泡状となってタンク上部まで達す
ることがある。このような場合は蒸発タンク上部に設け
たパイプにより泡状物質をサイクロン１９に導き、気体
と、液、固体に分離する。この装置は通常の状態で作動
するものではなく、発泡等の特別な事態の時作動する。In the evaporation tank 18, the heated waste oil is separated from its gaseous components and sent to the next stage of processing.However, depending on the components of the waste liquid, it may become foamy in the evaporation tank and reach the top of the tank. . In such a case, the foamy substance is guided to the cyclone 19 through a pipe provided at the top of the evaporation tank, and is separated into gas, liquid, and solid. This device does not operate under normal conditions, but only in special situations such as foaming.
蒸発タンクの中は廃油から水分が蒸発してゆくため、液
面高さを監視して廃油の供給を制御する。As moisture evaporates from the waste oil in the evaporation tank, the supply of waste oil is controlled by monitoring the liquid level.
この制御方法の一例を示す。弁３８が閉じられ、一定量
の廃油がポンプ２１により送り込まれた後、弁３７が閉
じられ、ポンプＳ６により廃油を熱交換器１７と蒸発タ
ンク１８とを還流させる。この状態では蒸発タンク１８
内の液面の高さは水分が蒸発して行くので徐々に下がっ
てくる。水分が蒸発し終われば液面高さの下降は止まる
ので、弁３８を開き廃油を次の処理装置に送る。An example of this control method will be shown. After the valve 38 is closed and a certain amount of waste oil is pumped in by the pump 21, the valve 37 is closed and the waste oil is circulated between the heat exchanger 17 and the evaporation tank 18 by the pump S6. In this state, the evaporation tank 18
As the water evaporates, the level of the liquid inside gradually decreases. Once the water has finished evaporating, the liquid level will stop falling, so the valve 38 will be opened and the waste oil will be sent to the next processing device.
また、別の方法としては液面がある程度下がったら弁３
７を開き液面が元の高さに戻るまで新しい廃油を追加供
給する方法もある。この場合も液面の降下がなくなれば
水分の蒸発は終了したとして弁３８を開いて廃油を次の
処理装置に送り出す。Another method is to use valve 3 once the liquid level has fallen to a certain extent.
There is also a method of opening 7 and supplying new waste oil until the liquid level returns to its original level. In this case as well, when the liquid level no longer drops, it is assumed that the evaporation of water has ended, and the valve 38 is opened to send the waste oil to the next processing device.
第５図はフロート式の液面高さ検出装置の例を示す図で
ある。フロート２２は蒸発タンク２３内の液面と連通し
ており、」二下方向に動く。フロート２２にはリミット
スイッチ２４を作動させる部材が設けられている。この
例の場合は、３つのスイッチを切り換えることにより３
段階の液面高さを検出する構造になっている。フロート
方式はタンク内が蒸気や液面の揺動等で通常のセンサが
使用できない場合もあることから、有効な手段である。FIG. 5 is a diagram showing an example of a float type liquid level detection device. The float 22 communicates with the liquid level in the evaporation tank 23 and moves downward. The float 22 is provided with a member that operates a limit switch 24. In this example, by switching three switches, 3
It has a structure that detects the liquid level height in stages. The float method is an effective method because normal sensors may not be usable due to steam or fluctuations in the liquid level inside the tank.
［発明の効果コ
本発明の装置を使用することにより、廃油中の水分を気
体成分を焼却処理するとともに廃油を加熱する熱源であ
るスチームを発生させることができるため、装置全体の
効率が向上する。またスチームを熱源とする熱交換器で
廃油を加熱するため焦げ付きが起こらず、長期の連続運
転が可能となるなどの効果がある。[Effects of the invention] By using the device of the present invention, it is possible to incinerate the gaseous components of water in waste oil and generate steam, which is a heat source for heating the waste oil, improving the efficiency of the entire device. . Additionally, since the waste oil is heated with a heat exchanger that uses steam as a heat source, it does not burn and can be operated continuously for a long period of time.
第１図、第２図は本発明の実施例の廃油処理装置の全体
システムの説明図、第３図はボイラー装置の断面図、第
４図は本発明の熱交換器と蒸発タンクの作動の説明図、
第５図は蒸発タンクの液面調節装置の説明図である。
１・・・タンクローリ−１２・・・受は入れタンク、３
・・・廃油タンク、４．１７・・・熱交換器、５．１８
゜２Ｓ・・・蒸発タンク、６．１９・・・サイクロン、
７・・・ブロアー、８・・・ボイラー ９・・・遠心
分離器、ＩＯ・・・スラッジタンク、１１．１３・・・
ストレーナ、１２・・・再生重ｈｈタンク、１４・・・
燃料供給器、１５・・・ノズル、１６・・・燃焼室、２
２・・・フロート、２４・・・リミットスイッチ、３１
，３２．３５．３６・・・ポンプ、３３，３４，３７．
３８・・・弁。
第
図Figures 1 and 2 are explanatory diagrams of the entire system of the waste oil treatment equipment according to the embodiment of the present invention, Figure 3 is a sectional view of the boiler equipment, and Figure 4 is an illustration of the operation of the heat exchanger and evaporation tank of the present invention. Explanatory diagram,
FIG. 5 is an explanatory diagram of the liquid level adjustment device for the evaporation tank. 1...Tank truck-12...Put the tank in the tank, 3
... Waste oil tank, 4.17 ... Heat exchanger, 5.18
゜2S...evaporation tank, 6.19...cyclone,
7...Blower, 8...Boiler 9...Centrifugal separator, IO...Sludge tank, 11.13...
Strainer, 12... Regeneration heavy hh tank, 14...
Fuel supply device, 15... Nozzle, 16... Combustion chamber, 2
2...Float, 24...Limit switch, 31
, 32.35.36... pump, 33, 34, 37.
38... Valve. Diagram
Claims (1)
おいて、ボイラーからのスチームを熱源とする熱交換器
により廃油を加熱する手段、加熱された廃油から気体を
蒸発させる手段、前記蒸発した気体を前記ボイラーの２
次空気として送り込み焼却する手段を含むことを特徴と
する廃油処理装置。(1) In a waste oil treatment device that removes water from waste oil and processes it, a means for heating the waste oil with a heat exchanger using steam from a boiler as a heat source, a means for evaporating gas from the heated waste oil, and a means for evaporating gas from the heated waste oil; 2 of the boiler
A waste oil processing device characterized by comprising means for incinerating the waste oil by sending it as air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10353589A JPH02284685A (en) | 1989-04-25 | 1989-04-25 | Apparatus for treating waste oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10353589A JPH02284685A (en) | 1989-04-25 | 1989-04-25 | Apparatus for treating waste oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02284685A true JPH02284685A (en) | 1990-11-22 |
Family
ID=14356556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10353589A Pending JPH02284685A (en) | 1989-04-25 | 1989-04-25 | Apparatus for treating waste oil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02284685A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01104384A (en) * | 1987-10-15 | 1989-04-21 | Kashiwa Tec:Kk | Pyrolysis type waste water treatment device |
-
1989
- 1989-04-25 JP JP10353589A patent/JPH02284685A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01104384A (en) * | 1987-10-15 | 1989-04-21 | Kashiwa Tec:Kk | Pyrolysis type waste water treatment device |
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