JP2006272154A - Vacuum weight reduction and deodorization system for object to be treated - Google Patents
Vacuum weight reduction and deodorization system for object to be treated Download PDFInfo
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Abstract
Description
本発明は、生ごみや汚泥などを減圧下で乾燥処理して減量化したり、水溶性切削液、アルカリ洗浄廃液、メッキ廃液、含水廃油などの各種廃液を減圧下で濃縮処理して減量化したりするとともに、それらの処理に伴って発生する臭気成分を含んだ臭気ガスを脱臭処理する被処理物の真空減量化脱臭システムに関する。 The present invention reduces the amount of garbage and sludge by drying treatment under reduced pressure, or reducing the amount of various waste fluids such as water-soluble cutting fluid, alkali cleaning waste fluid, plating waste fluid, and hydrated waste oil by concentrating them under reduced pressure. In addition, the present invention relates to a vacuum deodorizing system for an object to be processed, which deodorizes odorous gas containing odorous components generated by the processing.
この種の被処理物の真空減量化脱臭システムとしては、従来一般に、次のような脱臭機能付き真空乾燥装置が知られている。
すなわち、耐圧密閉容器状の乾燥器の上側に耐圧密閉容器状の凝縮器が設けられ、乾燥器には温水ジャケットが設けられ、凝縮器には溜水部が備えられている。
溜水部の下部に、排水ポンプを備えた排水管を介して水槽が接続され、溜水部の上部に、真空ポンプを備えた排気管が接続され、その排気管の先端が水槽内下部側の曝気装置に接続されている。
As a vacuum deodorizing system for this kind of workpiece to be reduced in vacuum, a vacuum drying apparatus with a deodorizing function as described below is generally known.
That is, a pressure-resistant sealed container-shaped condenser is provided above the pressure-resistant sealed container-shaped dryer, the dryer is provided with a hot water jacket, and the condenser is provided with a water storage unit.
A water tank is connected to the lower part of the water reservoir via a drain pipe equipped with a drain pump, and an exhaust pipe equipped with a vacuum pump is connected to the upper part of the water reservoir, and the tip of the exhaust pipe is on the lower side in the water tank Connected to the aeration device.
排気管には、真空ポンプより上流側にエゼクターが設けられ、水槽の上部に接続されたエアー戻し管がエゼクターの噴出ノズルに連結されている。また、水槽の上部に臭気成分取出し管が接続され、その臭気成分取出し管の先端側にガスバーナが設けられている。 The exhaust pipe is provided with an ejector upstream of the vacuum pump, and an air return pipe connected to the upper part of the water tank is connected to the ejection nozzle of the ejector. Further, an odor component take-out pipe is connected to the upper part of the water tank, and a gas burner is provided on the tip side of the odor component take-out pipe.
上記構成により、乾燥器において被乾燥物が加熱乾燥されるとともに、被乾燥物から蒸発した蒸気が凝縮器で凝縮され、溜水部に溜められて排水ポンプにより水槽に送られる。
真空ポンプにより乾燥器および凝縮器から引かれた空気が、曝気装置に供給され、排水中に混入した揮発性の有機物質（臭気成分が含まれる）を水から分離し、ガスバーナで燃焼するようになっている（特許文献１参照）。
The air drawn from the dryer and condenser by the vacuum pump is supplied to the aeration device so that volatile organic substances (including odorous components) mixed in the wastewater are separated from the water and burned in the gas burner. (See Patent Document 1).
上述のような真空乾燥装置で使用する真空ポンプは、冷却機能を兼ねさせる上から水封式が主流であり、その作動用に水封水を必要とする。その水封水は臭気ガスと接触するために臭気が付着し、そのような水封水を循環使用することができず、水封水に対する脱臭処理が別途必要でイニシャルコストおよびランニングコストが高価になるとともに、水封水の消費量が増加してランニングコストが高価になり、経済性が低下する欠点があった。 The vacuum pump used in the vacuum drying apparatus as described above is mainly water-sealed from the viewpoint of having a cooling function, and requires water-sealed water for its operation. Since the water seal water comes into contact with the odor gas, the odor adheres, and such water seal water cannot be circulated and used, and a separate deodorizing treatment is required for the water seal water, so the initial cost and running cost are high. In addition, the consumption of water seal water increases, the running cost becomes expensive, and there is a disadvantage that the economy is lowered.
本発明は、このような事情に鑑みてなされたものであって、請求項１に係る発明は、水封水の脱臭処理を簡単に行うとともに水封水を循環使用できるようにして経済性を向上できるようにすることを目的とし、請求項２に係る発明は、簡単な構成で、オゾンと臭気ガスとを効率良く接触させて脱臭効率を向上できるようにすることを目的とし、請求項３および５に係る発明は、オゾンと臭気ガスとの接触効率を一層高めて脱臭効率を一層向上できるようにすることを目的とし、請求項４に係る発明は、臭気ガスの酸化を促進して脱臭効率を一層向上できるようにすることを目的とする。 This invention is made | formed in view of such a situation, and the invention which concerns on Claim 1 makes it possible to carry out the deodorizing process of water seal water easily, and to be able to circulate and use water seal water. An object of the present invention is to improve the deodorization efficiency by making ozone and odorous gas efficiently contact with each other with a simple configuration. The invention according to claims 5 and 5 aims to further improve the deodorization efficiency by further improving the contact efficiency between ozone and the odor gas, and the invention according to claim 4 promotes the oxidation of the odor gas to remove the deodorization. The purpose is to further improve the efficiency.
請求項１に係る発明の被処理物の真空減量化脱臭システムは、上述のような目的を達成するために、
被処理物を密閉状態で減量化処理する処理容器と、
反応容器内にオゾン水を溜める水溜部を有するとともに脱臭処理を行うオゾン酸化脱臭装置と、
前記反応容器の底部側に設けられた臭気ガス供給口と前記処理容器とを接続する排気管に介装されて前記処理容器内の圧力を減圧するとともに前記処理容器からの臭気ガスと水封用の水封水とを水溜部に供給する水封式の真空ポンプと、
前記水溜部と前記真空ポンプとにわたって接続されて前記水溜部内のオゾン水を水封水として供給する水封水供給管とを備えて構成する。
被処理物を密閉状態で減量化処理する処理容器としては、生ごみ真空乾燥装置における攪拌機を備えた乾燥釜、汚泥真空乾燥装置における攪拌機を備えた乾燥装置本体、廃液真空濃縮装置における蒸留釜などが挙げられる。
In order to achieve the object as described above, the vacuum deodorizing system for the object to be processed of the invention according to claim 1
A processing container for reducing the amount of the object to be processed in a sealed state;
An ozone oxidation deodorization apparatus having a water reservoir for storing ozone water in the reaction vessel and performing deodorization treatment;
It is interposed in an exhaust pipe connecting the odor gas supply port provided on the bottom side of the reaction vessel and the treatment vessel to reduce the pressure in the treatment vessel and to seal the odor gas from the treatment vessel and water. A water-sealed vacuum pump that supplies the water-sealed water to the water reservoir,
A water seal water supply pipe that is connected across the water reservoir and the vacuum pump and supplies ozone water in the water reservoir as water seal water is provided.
As processing containers for reducing the amount of material to be processed in a sealed state, a drying kettle equipped with a stirrer in a garbage vacuum drying device, a drying device main body equipped with a stirrer in a sludge vacuum drying device, a distillation kettle in a waste liquid vacuum concentrator, etc. Is mentioned.
（作用・効果）
請求項１に係る発明の被処理物の真空減量化脱臭システムの構成によれば、処理容器での減量化処理に伴って発生する臭気ガスと、真空ポンプに対する水封水とをオゾン酸化脱臭装置に供給し、反応容器内の水溜部においてオゾン水に臭気ガスを接触させて脱臭処理する。また、水溜部内のオゾン水を水封水供給管を介して真空ポンプに水封水として供給する。
したがって、処理容器から発生する臭気ガスを脱臭処理するオゾン酸化脱臭装置によって水封水に対する脱臭処理を行うから、水封水を脱臭するための別の脱臭装置が不要であり、水封水の脱臭処理を簡単に行うことができ、イニシャルコストおよびランニングコストを低減できる。
しかも、水封水を循環使用するから、水封水専用の消費量を無くすことができてランニングコストを大幅に低減でき、全体として経済性を良好に向上できる。
(Action / Effect)
According to the configuration of the vacuum deodorizing system for the object to be processed according to the first aspect of the invention, an ozone oxidation deodorizing apparatus is provided for the odor gas generated with the reducing process in the processing container and the water seal water for the vacuum pump. The odor gas is brought into contact with ozone water at the water reservoir in the reaction vessel to perform deodorization treatment. Further, ozone water in the water reservoir is supplied as water seal water to the vacuum pump through the water seal water supply pipe.
Therefore, since the deodorizing treatment for the water-sealed water is performed by the ozone oxidation deodorizing device that deodorizes the odor gas generated from the processing container, another deodorizing device for deodorizing the water-sealed water is unnecessary, and the deodorizing of the water-sealed water Processing can be performed easily, and initial cost and running cost can be reduced.
Moreover, since the water-sealed water is circulated and used, the consumption dedicated to the water-sealed water can be eliminated, the running cost can be greatly reduced, and the overall economy can be improved satisfactorily.
請求項２に係る発明は、前述のような目的を達成するために、
請求項１に記載の被処理物の真空減量化脱臭システムにおいて、
オゾン酸化脱臭装置が、
下部側に水溜部を設けた反応容器と、
前記水溜部の底部側に設けられて臭気成分を含んだガスを水中に供給する臭気ガス供給口と、
前記反応容器の上部側に設けられて臭気成分を除去した脱臭ガスを排出する脱臭ガス排出口と、
前記水溜部内から前記反応容器の上部にわたって設けられて前記反応容器内に紫外線を照射する紫外線照射手段とを備え、
前記反応容器の底面および内周面に前記紫外線照射手段から照射された紫外線を受けて酸素をオゾン化する酸化チタンを付設して構成する。
In order to achieve the above-described object, the invention according to claim 2
In the vacuum reduction deodorization system of the to-be-processed object of Claim 1,
Ozone oxidation deodorizer
A reaction vessel provided with a water reservoir on the lower side;
An odor gas supply port that is provided on the bottom side of the water reservoir and supplies a gas containing an odor component into the water;
A deodorized gas discharge port for discharging deodorized gas which is provided on the upper side of the reaction vessel and has removed odorous components;
An ultraviolet irradiation means for irradiating ultraviolet rays into the reaction vessel provided from the water reservoir to the upper part of the reaction vessel;
Titanium oxide is attached to the bottom surface and the inner peripheral surface of the reaction vessel, which receives ultraviolet rays irradiated from the ultraviolet irradiation means and ozonizes oxygen.
（作用・効果）
請求項２に係る発明の被処理物の真空減量化脱臭システムの構成によれば、反応容器の底面および内周面に付設された酸化チタンにより、紫外線の照射に伴って、反応容器内の空間内全体でオゾンが発生し、水溜部では溶存酸素がオゾン化してオゾン水が発生する。その水溜部に臭気ガスが供給されるに伴ない、臭気ガスが気泡として分散され、分散した気泡とオゾン水やオゾンガスとを充分接触させて脱臭することができ、更に、水溜部の上部空間において、空間内の酸素がオゾン化され、そのオゾンを水溜部から浮上した臭気ガスに接触させて脱臭処理することができる。
したがって、反応容器内の空間容積を十分に活かして臭気ガスにオゾンを接触させるのみならず、水溜部において気泡として分散させた臭気ガスとオゾン水やオゾンガスとを接触させるから、反応容器内に水溜部を備えさせるだけの簡単な構成で、オゾンと臭気ガスとを効率良く接触させて脱臭効率を向上できる。
(Action / Effect)
According to the configuration of the vacuum deodorizing system for the object to be processed according to the second aspect of the invention, the space in the reaction vessel is irradiated with the ultraviolet rays by the titanium oxide attached to the bottom surface and the inner peripheral surface of the reaction vessel. Ozone is generated in the whole, and dissolved oxygen is ozonized in the water reservoir to generate ozone water. As the odor gas is supplied to the water reservoir, the odor gas is dispersed as bubbles, and the dispersed bubbles and ozone water or ozone gas can be sufficiently brought into contact with each other for deodorization. Furthermore, in the upper space of the water reservoir The oxygen in the space is ozonized, and the deodorization treatment can be performed by bringing the ozone into contact with the odor gas floating from the water reservoir.
Therefore, not only the ozone in contact with the odor gas by making full use of the space volume in the reaction vessel, but also the odor gas dispersed as bubbles in the water reservoir and ozone water or ozone gas are brought into contact with each other. Deodorizing efficiency can be improved by contacting ozone and odorous gas efficiently with a simple configuration that includes only a portion.
請求項３に係る発明は、前述のような目的を達成するために、
請求項１または２に記載の被処理物の真空減量化脱臭システムにおいて、
水溜部の底部側に、臭気ガス供給口から供給される臭気ガスを気泡化する気泡板を備えて構成する。
In order to achieve the above-described object, the invention according to claim 3
In the vacuum reduction deodorization system of the to-be-processed object of Claim 1 or 2,
A bubble plate is provided on the bottom side of the water reservoir so as to bubble the odor gas supplied from the odor gas supply port.
（作用・効果）
請求項３に係る発明の被処理物の真空減量化脱臭システムの構成によれば、水溜部に供給される臭気ガスを気泡板により気泡化し、より微細な気泡にして臭気ガスをオゾン水やオゾンガスと接触させて脱臭処理することができる。
したがって、臭気成分とオゾン水やオゾンガスとの接触面積を拡大でき、オゾンと臭気ガスとの接触効率を一層高めて脱臭効率を一層向上できる。
(Action / Effect)
According to the configuration of the vacuum deodorizing system for the object to be processed according to the third aspect, the odor gas supplied to the water reservoir is bubbled by the bubble plate to form finer bubbles, and the odor gas is ozone water or ozone gas. The deodorizing treatment can be performed by bringing it into contact.
Therefore, the contact area between the odor component and the ozone water or ozone gas can be expanded, and the contact efficiency between ozone and the odor gas can be further increased to further improve the deodorization efficiency.
請求項４に係る発明は、前述のような目的を達成するために、
請求項１、２、３のいずれかに記載の被処理物の真空減量化脱臭システムにおいて、
反応容器の上部側に、脱臭ガスの酸化を促進する酸化促進充填材を設けて構成する。
In order to achieve the above-described object, the invention according to claim 4
In the vacuum reduction deodorization system of the processed material according to any one of claims 1, 2, and 3,
An oxidation promoting filler that promotes oxidation of the deodorized gas is provided on the upper side of the reaction vessel.
（作用・効果）
請求項４に係る発明の被処理物の真空減量化脱臭システムの構成によれば、オゾンによって脱臭されて脱臭ガス排出口から排出される前に、脱臭ガスの酸化を促進し、臭気成分が残存していてもそれを脱臭することができる。
したがって、臭気ガスの酸化を促進して脱臭効率を一層向上できる。
(Action / Effect)
According to the structure of the vacuum deodorizing system for the object to be treated according to the fourth aspect of the present invention, the deodorizing gas is promoted to be oxidized and the odor component remains before being deodorized by ozone and discharged from the deodorizing gas discharge port. You can deodorize it.
Therefore, the deodorization efficiency can be further improved by promoting the oxidation of the odor gas.
請求項５に係る発明は、前述のような目的を達成するために、
請求項１、２、３、４のいずれかに記載の被処理物の真空減量化脱臭システムにおいて、
反応容器を円筒容器で構成するとともに、臭気ガス供給口からの臭気ガスを、前記反応容器の内周面に近い位置でその接線方向と平行な方向に噴出させるように構成する。
In order to achieve the above-described object, the invention according to claim 5
In the vacuum reduction deodorization system of the processed material according to any one of claims 1, 2, 3, and 4,
The reaction vessel is constituted by a cylindrical vessel, and the odor gas from the odor gas supply port is jetted in a direction parallel to the tangential direction at a position close to the inner peripheral surface of the reaction vessel.
（作用・効果）
請求項５に係る発明の被処理物の真空減量化脱臭システムの構成によれば、脱臭ガスを反応容器内に噴出する力で水溜部内のオゾン水に旋回流を生じさせ、その旋回流動状態で気泡化することができる。
したがって、オゾン水やオゾンと臭気ガスとの接触効率を一層高めることができ、脱臭効率を一層向上できる。
(Action / Effect)
According to the structure of the vacuum deodorizing deodorization system for the object to be processed according to the fifth aspect of the present invention, a swirling flow is generated in the ozone water in the water reservoir by the force of ejecting the deodorizing gas into the reaction vessel, and in the swirling flow state It can be aerated.
Therefore, the contact efficiency between ozone water or ozone and odor gas can be further increased, and the deodorization efficiency can be further improved.
以上の説明から明らかなように、請求項１に係る発明の被処理物の真空減量化脱臭システムによれば、処理容器での減量化処理に伴って発生する臭気ガスと、真空ポンプに対する水封水とをオゾン酸化脱臭装置に供給し、反応容器内の水溜部においてオゾン水に臭気ガスを接触させて脱臭処理する。また、水溜部内のオゾン水を水封水供給管を介して真空ポンプに水封水として供給する。
したがって、処理容器から発生する臭気ガスを脱臭処理するオゾン酸化脱臭装置によって水封水に対する脱臭処理を行うから、水封水を脱臭するための別の脱臭装置が不要であり、水封水の脱臭処理を簡単に行うことができ、イニシャルコストおよびランニングコストを低減できる。
しかも、水封水を循環使用するから、水封水専用の消費量を無くすことができてランニングコストを大幅に低減でき、全体として経済性を良好に向上できる。
As is apparent from the above description, according to the vacuum deodorizing / deodorizing system for an object to be processed according to the first aspect of the present invention, the odor gas generated during the reducing process in the processing container, and the water seal against the vacuum pump. Water is supplied to an ozone oxidation deodorization apparatus, and deodorization treatment is performed by bringing odor gas into contact with ozone water in a water reservoir in the reaction vessel. Further, ozone water in the water reservoir is supplied as water seal water to the vacuum pump through the water seal water supply pipe.
Therefore, since the deodorization treatment for the water seal water is performed by the ozone oxidation deodorization device that deodorizes the odor gas generated from the treatment container, another deodorization device for deodorizing the water seal water is unnecessary, and the deodorization of the water seal water is eliminated. Processing can be performed easily, and initial cost and running cost can be reduced.
Moreover, since the water-sealed water is circulated and used, the consumption dedicated to the water-sealed water can be eliminated, the running cost can be greatly reduced, and the overall economy can be improved satisfactorily.
次に、本発明の実施例を図面に基づいて詳細に説明する。 Next, embodiments of the present invention will be described in detail with reference to the drawings.
図１は、本発明に係る被処理物の真空減量化脱臭システムの実施例１の全体概略構成図である。
実施例１は生ごみ真空乾燥装置を用いるものであり、攪拌機１を内装した密閉可能な処理容器としての乾燥釜２の下部側に処理物の取出し口３が設けられている。一方、乾燥釜２の上部に集塵器４が設けられ、集塵器４とオゾン酸化脱臭装置５とが、第１の冷却用熱交換器６、ドレンタンク７および真空ポンプ８を介装した臭気ガス排気管９を介して接続され、乾燥釜２を密閉状態にするとともに真空ポンプ８により減圧した状態で被処理物を高温水によって加熱乾燥し、被処理物を減量化処理するとともに発生した臭気ガスを脱臭処理するように構成されている。
FIG. 1 is an overall schematic configuration diagram of a first embodiment of a vacuum deodorizing system for an object to be processed according to the present invention.
In Example 1, a garbage vacuum drying apparatus is used, and a processing product take-out port 3 is provided on the lower side of a drying pot 2 as a sealable processing container with a stirrer 1 installed therein. On the other hand, a dust collector 4 is provided in the upper part of the drying pot 2, and the dust collector 4 and the ozone oxidation deodorizing device 5 are provided with a first cooling heat exchanger 6, a drain tank 7 and a vacuum pump 8. Oxygen gas exhaust pipe 9 is connected, and the drying kettle 2 is hermetically sealed and the object to be treated is heated and dried with high-temperature water in a state where the pressure is reduced by the vacuum pump 8, and the object to be treated is reduced and generated. It is configured to deodorize the odor gas.
オゾン酸化脱臭装置５を構成する反応容器１０が、有底筒状の下部容器１１と、中空筒状の上部容器１２と、上部容器１２に取り付けた蓋１３とから構成されている。
下部容器１１の上端側に、ボールタップ１４を介して給水管１５が接続され、一定量の水を溜める水溜部１６が形成されている。
下部容器１１の水溜部１６の底部側に、臭気成分を含んだ臭気ガスを水中に供給する臭気ガス供給口としての、排気管９の先端に取り付けられた臭気ガス噴出ノズル１７が設けられている。
A reaction vessel 10 constituting the ozone oxidation deodorizing apparatus 5 is composed of a bottomed cylindrical lower container 11, a hollow cylindrical upper container 12, and a lid 13 attached to the upper container 12.
A water supply pipe 15 is connected to the upper end side of the lower container 11 via a ball tap 14 to form a water reservoir 16 that stores a certain amount of water.
An odor gas ejection nozzle 17 attached to the tip of the exhaust pipe 9 is provided on the bottom side of the water reservoir 16 of the lower container 11 as an odor gas supply port for supplying an odor gas containing an odor component into the water. .
臭気ガス噴出ノズル１７の噴出方向が、図２の横断面図（図１のＡ−Ａ線断面図）に示すように、臭気ガスを、反応容器１０の内周面に近い位置でその接線方向と平行な方向に噴出させ、水溜部１６に臭気ガスを噴出供給するに伴い、その噴出力で水溜部１６内のオゾン水に旋回流を生じさせるように構成されている。 As shown in the cross-sectional view of FIG. 2 (the cross-sectional view taken along the line AA in FIG. 1), the odor gas is ejected from the odor gas jet nozzle 17 at a position close to the inner peripheral surface of the reaction vessel 10. As the odor gas is jetted and supplied to the water reservoir 16, a swirling flow is generated in the ozone water in the water reservoir 16 by the jet output.
臭気ガス噴出ノズル１７の上方に、水平方向に分散して多数の通気孔を形成した気泡板１８が設けられ、反応容器１０内に噴出された臭気ガスを微細な気泡に気泡化するように構成されている。 A bubble plate 18 having a large number of air holes dispersed in the horizontal direction is provided above the odor gas jet nozzle 17 so that the odor gas blown into the reaction vessel 10 is bubbled into fine bubbles. Has been.
上部容器１２の上端側に、臭気成分を除去した脱臭ガスを排出する脱臭ガス排出口１９が設けられている。また、上部容器１２の上部側に、酸化チタンを塗布した酸化促進充填材２０が設けられ、脱臭ガス排出口１９に流動する脱臭ガスの酸化を促進するように構成されている。 On the upper end side of the upper container 12, a deodorized gas discharge port 19 for discharging deodorized gas from which odorous components have been removed is provided. Further, an oxidation promoting filler 20 coated with titanium oxide is provided on the upper side of the upper container 12, and is configured to promote oxidation of the deodorized gas flowing to the deodorized gas discharge port 19.
下部容器１１の底面および内周面、ならびに、上部容器１２の内周面に酸化チタン２１が付設されるとともに、水溜部１６内から反応容器１０の上部にわたって、反応容器１０内に紫外線を照射する紫外線照射手段としての紫外線ランプ２２が備えられている。
この構成により、紫外線ランプ２２から照射された紫外線を受けて水溜部１６内の溶存酸素および上部容器１２内の酸素をオゾン化するようになっている。
Titanium oxide 21 is attached to the bottom surface and the inner peripheral surface of the lower container 11 and the inner peripheral surface of the upper container 12, and ultraviolet rays are irradiated into the reaction container 10 from the water reservoir 16 to the upper part of the reaction container 10. An ultraviolet lamp 22 is provided as ultraviolet irradiation means.
With this configuration, the ultraviolet rays irradiated from the ultraviolet lamp 22 are received, and the dissolved oxygen in the water reservoir 16 and the oxygen in the upper container 12 are ozonized.
水溜部１６と真空ポンプ８とにわたって、第２の熱交換器２３を介装した水封水供給管２４が接続され、水溜部１６内のオゾン水を水封水として供給し、循環使用するように構成されている。
第１および第２の熱交換器６，２３それぞれには、冷却水循環配管２５を介して冷却塔２６が接続され、臭気ガスならびに水封水を冷却するように構成されている。
A water seal water supply pipe 24 having a second heat exchanger 23 interposed is connected between the water reservoir 16 and the vacuum pump 8 so that ozone water in the water reservoir 16 is supplied as water seal water for circulation. It is configured.
A cooling tower 26 is connected to each of the first and second heat exchangers 6 and 23 via a cooling water circulation pipe 25 so as to cool the odor gas and the water seal water.
上記構成により、水溜部１６に乾燥釜２から排出される臭気ガスならびに臭気ガスが付着した水封水を反応容器１０内に噴出供給するに伴い、その噴出力で水溜部１６内のオゾン水に旋回流を生じさせ、その旋回流動状態で臭気ガスを気泡化するとともに気泡板１８により気泡化し、より微細な気泡にして臭気ガスをオゾン水やオゾンガスと接触させる。更に、上部容器１２内で、水溜部１６から浮上した臭気ガスにオゾンを接触させて脱臭し、かつ、オゾンによって脱臭されて脱臭ガス排出口１９から排出される前に、酸化促進充填材２０を通じて脱臭ガスの酸化を促進し、臭気成分が残存していてもそれを脱臭し、良好に脱臭して外部に排出できる。 With the above-described configuration, the odor gas discharged from the drying kettle 2 and the water seal water to which the odor gas is attached to the water reservoir 16 are jetted and supplied into the reaction vessel 10, and the spray output generates ozone water in the water reservoir 16. A swirling flow is generated, and the odor gas is bubbled in the swirl flow state and is bubbled by the bubble plate 18 to form finer bubbles, and the odor gas is brought into contact with ozone water or ozone gas. Further, in the upper container 12, ozone is brought into contact with the odor gas floating from the water reservoir 16 to deodorize, and before being deodorized by ozone and discharged from the deodorized gas discharge port 19, the oxidation promoting filler 20 is used. Oxidation of the deodorized gas is promoted, and even if an odor component remains, it can be deodorized, deodorized well, and discharged to the outside.
図３は、本発明に係る被処理物の真空減量化脱臭システムの実施例２の要部の構成図であり、実施例１と異なるところは次の通りである。
すなわち、酸化チタン２１および紫外線ランプ２２に代えて、反応容器１０の底部にオゾン供給ノズル３１が設けられ、そのオゾン供給ノズル３１にオゾン供給管３２を介してオゾン発生装置３３が接続され、オゾン発生装置３３で発生したオゾンを水溜部１６の下方から噴出供給するように構成されている。他の構成は実施例１と同じであり、同一図番を付すことにより、その説明は省略する。
FIG. 3 is a configuration diagram of a main part of a second embodiment of the vacuum deodorizing system for an object to be processed according to the present invention. The differences from the first embodiment are as follows.
That is, instead of the titanium oxide 21 and the ultraviolet lamp 22, an ozone supply nozzle 31 is provided at the bottom of the reaction vessel 10, and an ozone generator 33 is connected to the ozone supply nozzle 31 via an ozone supply pipe 32 to generate ozone. The ozone generated in the device 33 is configured to be supplied from below the water reservoir 16. Other configurations are the same as those of the first embodiment, and the description thereof is omitted by assigning the same reference numerals.
図４は、本発明に係る被処理物の真空減量化脱臭システムの実施例３を示す全体概略構成図であり、実施例１と異なるところは次の通りである。
すなわち、生ごみ真空乾燥装置に代えて廃液真空濃縮装置が適用されたものであり、処理容器としての蒸留釜４１に、ヒータ温水による加熱管４２と、ジャケット温水による加熱ジャケット４３とが設けられている。
FIG. 4 is an overall schematic configuration diagram showing a third embodiment of the vacuum deodorizing system for an object to be processed according to the present invention. The differences from the first embodiment are as follows.
That is, a waste liquid vacuum concentrating device is applied instead of the garbage vacuum drying device, and a distillation pot 41 as a processing container is provided with a heating pipe 42 by heater warm water and a heating jacket 43 by jacket warm water. Yes.
蒸留釜４１の上部に、臭気成分を含んだ蒸気を気液分離して排出するミストセパレータ４４が設けられ、そのミストセパレータ４４に、第１の熱交換器６、流動状態監視用のフローサイト４５、バッファタンク４６、逆止弁４７および真空ポンプ８を介装した排気管９が接続されている。 A mist separator 44 for separating the vapor containing the odor component into gas and liquid and discharging it is provided at the upper portion of the distillation pot 41. The mist separator 44 includes a first heat exchanger 6 and a flow site 45 for monitoring the flow state. Further, an exhaust pipe 9 including a buffer tank 46, a check valve 47 and a vacuum pump 8 is connected.
蒸留釜４１には、原水槽４８からの被処理物としての廃液が廃液供給管４９を介して供給するように構成され、水溶性切削液、アルカリ洗浄廃液、メッキ廃液、含水廃油などの各種廃液を減圧下で濃縮処理して減量化するとともに、それに伴って発生した臭気ガスおよび水封水に付着した臭気ガスをオゾン酸化脱臭装置５で脱臭処理するように構成されている。他の構成は実施例１と同じであり、同一図番を付すことにより、その説明は省略する。 The distillation pot 41 is configured so that waste liquid as a treatment object from the raw water tank 48 is supplied through a waste liquid supply pipe 49, and various waste liquids such as water-soluble cutting liquid, alkali cleaning waste liquid, plating waste liquid, and hydrated waste oil. Is reduced by reducing the concentration of the odor gas, and the odor gas generated along with the odor gas attached to the water seal water is deodorized by the ozone oxidation deodorization apparatus 5. Other configurations are the same as those of the first embodiment, and the description thereof is omitted by assigning the same reference numerals.
図５は、本発明に係る被処理物の真空減量化脱臭システムの実施例４を示す全体概略構成図であり、実施例１と異なるところは次の通りである。
すなわち、生ごみ真空乾燥装置に代えて汚泥真空乾燥装置が適用されたものであり、処理容器としての乾燥装置本体５１内に攪拌機５２が設けられるとともに、外部に、温水による加熱ジャケット５３が設けられている。
FIG. 5: is a whole schematic block diagram which shows Example 4 of the vacuum reduction deodorizing system of the to-be-processed object which concerns on this invention, The places different from Example 1 are as follows.
That is, a sludge vacuum drying device is applied instead of the garbage vacuum drying device, a stirrer 52 is provided in a drying device main body 51 as a processing container, and a heating jacket 53 by hot water is provided outside. ing.
乾燥装置本体５１の上部側に被処理物としての汚泥の投入口５４が設けられ、下部側に乾燥汚泥の排出口５５が設けられている。乾燥装置本体５１に、集塵器４、凝縮器５６および真空ポンプ８を介装した排気管９が接続されている。凝縮器５６には、冷却塔２６からの冷却水循環配管２５が接続されるとともに、ドレン配管５７を介してドレンタンク５８が接続され、汚泥を減圧下で乾燥処理して減量化するとともに、それに伴って発生した臭気ガスおよび水封水に付着した臭気ガスをオゾン酸化脱臭装置５で脱臭処理するように構成されている。他の構成は実施例１と同じであり、同一図番を付すことにより、その説明は省略する。 An inlet 54 for sludge as an object to be processed is provided on the upper side of the drying apparatus main body 51, and an outlet 55 for drying sludge is provided on the lower side. An exhaust pipe 9 including a dust collector 4, a condenser 56 and a vacuum pump 8 is connected to the drying apparatus main body 51. The condenser 56 is connected to the cooling water circulation pipe 25 from the cooling tower 26 and is connected to a drain tank 58 via a drain pipe 57 to reduce the amount of sludge by drying under reduced pressure. The odor gas generated in this manner and the odor gas adhering to the water seal water are deodorized by the ozone oxidation deodorization apparatus 5. Other configurations are the same as those of the first embodiment, and the description thereof is omitted by assigning the same reference numerals.
次に、比較実験結果について説明する。
実施例のシステムとしては、実施例１のシステムを用いて運転し、比較例のシステムとしては、オゾン酸化脱臭装置による脱臭を行わない状態で運転し、臭気濃度（Ｖｏｌｐｐｍ）、臭気指数、硫化水素濃度（Ｖｏｌｐｐｍ）、メチルメルカプタン濃度（Ｖｏｌｐｐｍ）およびエチルメルカプタン濃度（Ｖｏｌｐｐｍ）を求めた。排気量はＭＡＸ５０ｍ3／ｈで処理量２ｔ／日であった。
Next, the results of comparative experiments will be described.
The system of the example is operated using the system of Example 1, and the system of the comparative example is operated without deodorization by the ozone oxidation deodorization apparatus, and the odor concentration (Volppm), odor index, hydrogen sulfide The concentration (Volppm), methyl mercaptan concentration (Volppm) and ethyl mercaptan concentration (Volppm) were determined. The displacement was MAX 50 m 3 / h and the throughput was 2 t / day.
その結果は、次の通りであった。
比較例 実施例
臭気濃度 ７４０００ ９８０
臭気指数 ４９ ３０
硫化水素濃度 １４０ ０．０４
メチルメルカプタン濃度 １．１ ＜０．０５
エチルメルカプタン濃度 ０．２３ ＜０．０５
The results were as follows.
Comparative Example Example Odor Concentration 74000 980
Odor index 49 30
Hydrogen sulfide concentration 140 0.04
Methyl mercaptan concentration 1.1 <0.05
Ethyl mercaptan concentration 0.23 <0.05
上記の結果から、実施例のシステムにより、良好な結果を得ることができて十分な脱臭効果を得られることが明らかであった。
また、２．２ｋＷの真空ポンプを用いた場合で考えれば、本発明の実施例のシステムの場合、水封水を循環使用するために、排出水量は０Ｌ／ｍｉｎであり、これに対して、水封水を循環使用しない場合、排出水量は８Ｌ／ｍｉｎで、１日２０時間稼動したとして９．６ｍ3／日となり、水の消費量の減少効果が極めて大きいことが明らかである。
From the above results, it was clear that good results could be obtained and a sufficient deodorizing effect could be obtained by the system of the example.
Further, considering the case of using a 2.2 kW vacuum pump, in the case of the system of the embodiment of the present invention, the amount of discharged water is 0 L / min in order to circulate and use the water seal water. When water seal water is not circulated, the amount of discharged water is 8 L / min, which is 9.6 m 3 / day when operated for 20 hours a day, and it is clear that the effect of reducing water consumption is extremely large.
上記実施例１、実施例３および実施例４それぞれにおいて、下部容器２および上部容器３それぞれの下部から空気などの酸素を供給するようにしても良い。
また、上記実施例１、実施例３および実施例４それぞれでは、旋回流を生じさせやすいように反応容器１を円筒容器で構成しているが、角筒容器で構成し、その底部から臭気ガスを供給するように構成するものでも良い。
In each of the first embodiment, the third embodiment, and the fourth embodiment, oxygen such as air may be supplied from the lower portions of the lower container 2 and the upper container 3.
In each of Example 1, Example 3 and Example 4, the reaction vessel 1 is constituted by a cylindrical vessel so that a swirling flow is easily generated. However, the reaction vessel 1 is constituted by a rectangular vessel and odor gas is introduced from the bottom thereof. It may be configured to supply
２…乾燥釜（処理容器）
５…オゾン酸化脱臭装置
８…真空ポンプ
９…排気管
１０…反応容器
１６…水溜部
１７…臭気ガス噴出ノズル（臭気ガス供給口）
１８…気泡板
１９…脱臭ガス排出口
２０…酸化促進充填材
２１…酸化チタン
２２…紫外線ランプ（紫外線照射手段）
２４…水封水供給管
４１…蒸留釜（処理容器）
５１…乾燥装置本体（処理容器）
2 ... Dry pot (processing container)
DESCRIPTION OF SYMBOLS 5 ... Ozone oxidation deodorizing device 8 ... Vacuum pump 9 ... Exhaust pipe 10 ... Reaction vessel 16 ... Water reservoir 17 ... Odor gas ejection nozzle (odor gas supply port)
DESCRIPTION OF SYMBOLS 18 ... Bubble plate 19 ... Deodorizing gas discharge port 20 ... Oxidation promotion filler 21 ... Titanium oxide 22 ... Ultraviolet lamp (ultraviolet irradiation means)
24 ... Water-sealed water supply pipe 41 ... Distillation kettle (processing vessel)
51 ... Drying device body (processing container)
Claims (5)
反応容器内にオゾン水を溜める水溜部を有するとともに脱臭処理を行うオゾン酸化脱臭装置と、
前記反応容器の底部側に設けられた臭気ガス供給口と前記処理容器とを接続する排気管に介装されて前記処理容器内の圧力を減圧するとともに前記処理容器からの臭気ガスと水封用の水封水とを水溜部に供給する水封式の真空ポンプと、
前記水溜部と前記真空ポンプとにわたって接続されて前記水溜部内のオゾン水を水封水として供給する水封水供給管とを備えたことを特徴とする被処理物の真空減量化脱臭システム。 A processing container for reducing the amount of the object to be processed in a sealed state;
An ozone oxidation deodorization apparatus having a water reservoir for storing ozone water in the reaction vessel and performing deodorization treatment;
It is interposed in an exhaust pipe connecting the odor gas supply port provided on the bottom side of the reaction vessel and the treatment vessel to reduce the pressure in the treatment vessel and to seal the odor gas from the treatment vessel and water. A water-sealed vacuum pump that supplies the water-sealed water to the water reservoir,
A vacuum deodorizing system for an object to be treated, comprising: a water seal water supply pipe connected across the water reservoir and the vacuum pump to supply ozone water in the water reservoir as water seal water.
オゾン酸化脱臭装置が、
下部側に水溜部を設けた反応容器と、
前記水溜部の底部側に設けられて臭気成分を含んだガスを水中に供給する臭気ガス供給口と、
前記反応容器の上部側に設けられて臭気成分を除去した脱臭ガスを排出する脱臭ガス排出口と、
前記水溜部内から前記反応容器の上部にわたって設けられて前記反応容器内に紫外線を照射する紫外線照射手段とを備え、
前記反応容器の底面および内周面に前記紫外線照射手段から照射された紫外線を受けて酸素をオゾン化する酸化チタンを付設して構成されたものである被処理物の真空減量化脱臭システム。 In the vacuum reduction deodorization system of the to-be-processed object of Claim 1,
Ozone oxidation deodorizer
A reaction vessel provided with a water reservoir on the lower side;
An odor gas supply port that is provided on the bottom side of the water reservoir and supplies a gas containing an odor component into the water;
A deodorized gas discharge port for discharging deodorized gas which is provided on the upper side of the reaction vessel and has removed odorous components;
An ultraviolet irradiation means for irradiating ultraviolet rays into the reaction vessel provided from the water reservoir to the upper part of the reaction vessel;
A vacuum deodorizing system for an object to be processed, wherein the bottom surface and the inner peripheral surface of the reaction vessel are constituted by attaching titanium oxide that receives ultraviolet rays irradiated from the ultraviolet irradiation means to ozonize oxygen.
水溜部の底部側に、臭気ガス供給口から供給される臭気ガスを気泡化する気泡板を備えている被処理物の真空減量化脱臭システム。 In the vacuum reduction deodorization system of the to-be-processed object of Claim 1 or 2,
A vacuum deodorizing system for an object to be processed, comprising a bubble plate for bubbling odor gas supplied from an odor gas supply port on the bottom side of a water reservoir.
反応容器の上部側に、脱臭ガスの酸化を促進する酸化促進充填材を設けてある被処理物の真空減量化脱臭システム。 In the vacuum reduction deodorization system of the processed material according to any one of claims 1, 2, and 3,
A deodorizing system for reducing the vacuum of an object to be processed, in which an oxidation promoting filler for promoting the oxidation of deodorized gas is provided on the upper side of the reaction vessel.
反応容器を円筒容器で構成するとともに、臭気ガス供給口からの臭気ガスを、前記反応容器の内周面に近い位置でその接線方向と平行な方向に噴出させるように構成したものである被処理物の真空減量化脱臭システム。
In the vacuum reduction deodorization system of the processed material according to any one of claims 1, 2, 3, and 4,
The reaction container is constituted by a cylindrical container, and the odor gas from the odor gas supply port is configured to be ejected in a direction parallel to the tangential direction at a position close to the inner peripheral surface of the reaction container. Vacuum deodorization system for things.
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| JPS59213989A (en) * | 1983-05-20 | 1984-12-03 | Mitsubishi Electric Corp | Closed cycle exhaust system |
| JPH05123554A (en) * | 1991-11-05 | 1993-05-21 | Idec Izumi Corp | Gas-liquid contact device and ozonated water making device |
| JP2000005562A (en) * | 1998-06-19 | 2000-01-11 | Nec Environment Eng Ltd | Treatment of organic chlorine compound |
| JP2002119825A (en) * | 2000-10-16 | 2002-04-23 | Takashima Shoji:Kk | Treatment method and device for waste gas |
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