JP2017064677A - Floating oil removal device and working liquid cleanup system - Google Patents
Floating oil removal device and working liquid cleanup system Download PDFInfo
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この発明は、工作機械や工作物などの加工や洗浄などに用いる液を貯留せしめた貯留槽の液面に浮遊する油を回収して除去する浮遊油除去装置及び加工液浄化システムに関する。 The present invention relates to a floating oil removing apparatus and a machining liquid purification system for collecting and removing oil floating on a liquid surface of a storage tank in which a liquid used for processing or cleaning of a machine tool or a workpiece is stored.
この種の浮遊油除去装置として、例えば回転盤を用いて液面に浮遊する油分等を除去するものがあり、この装置は、回転盤に付着させた浮遊油分を回転盤の両側に設けられた掻きとり部や溝縁を回転盤に接触させることにより、両側に付着した浮遊油分を掻きとることによって行っていた（例えば、特許文献１〜特許文献３）。 As this type of floating oil removing device, there is, for example, a device that removes oil floating on the liquid surface using a rotating disk, and this apparatus is provided with floating oil adhered to the rotating disk on both sides of the rotating disk. This is done by scraping the floating oil adhering to both sides by bringing the scraping part and the groove edge into contact with the rotating disk (for example, Patent Documents 1 to 3).
このような装置では、回転盤の回転力をモータにより得るために、モータに対し継続的に通電を行う、つまり絶えず電流を流す必要がある。そうすると、モータを駆動する駆動回路での消費電力が増加するという問題が生じる。また、消費電力が増加すると、モータの駆動回路およびそれらの動作を制御する電子制御装置についての放熱コストが高くなるといった問題、電子制御装置の小型化が困難になるといった問題などの発生に繋がる。
この発明は、かかる問題点に鑑みてなされたものであり、モータを用いない簡単でかつコンパクトな構造で駆動力を得て高効率に浮遊油を除去することが可能な浮遊油除去装置及び加工液浄化システムの提供を目的としている。
In such a device, in order to obtain the rotational force of the rotating disk by the motor, it is necessary to continuously energize the motor, that is, to continuously flow current. Then, the problem that the power consumption in the drive circuit which drives a motor increases arises. In addition, an increase in power consumption leads to problems such as an increase in heat dissipation cost for the motor drive circuit and the electronic control device that controls their operation, and a problem that it is difficult to reduce the size of the electronic control device.
The present invention has been made in view of such problems, and the floating oil removing device and processing capable of removing the floating oil with high efficiency by obtaining a driving force with a simple and compact structure without using a motor. The purpose is to provide a liquid purification system.
前記課題を解決し、かつ目的を達成するために、この発明は、以下のように構成した。 In order to solve the above-described problems and achieve the object, the present invention is configured as follows.
請求項１に記載の発明は、貯留槽の液面に浮遊する浮遊油を回収する油回収部と、
供給される水の水力を回転力に変換する駆動部と、
前記駆動部で変換された回転力を減速して前記油回収部へ伝達する動力伝達部を備え、
前記駆動部は、
水力により回転して回転力を得る水車と、
前記水車に水力を導くガイドパイプを含むことを特徴とする浮遊油除去装置である。
The invention according to claim 1 is an oil recovery unit that recovers floating oil floating on the liquid surface of the storage tank;
A drive unit that converts the hydraulic power of the supplied water into rotational force;
A power transmission unit that decelerates the rotational force converted by the drive unit and transmits the rotational force to the oil recovery unit;
The drive unit is
A water turbine that rotates by hydraulic power and obtains rotational force;
A floating oil removing apparatus including a guide pipe for guiding hydraulic power to the water wheel.
請求項２に記載の発明は、前記水車は、
対向して配置された一対のガイド円盤と、
前記一対のガイド円盤の間に等間隔で配置される水受け羽根を有し、
前記ガイドパイプは、
前記水受け羽根の全面に水を供給する水通路を有することを特徴とする請求項１に記載の浮遊油除去装置である。
The invention according to claim 2 is characterized in that the water wheel is
A pair of guide disks arranged opposite each other;
Having water receiving blades arranged at equal intervals between the pair of guide disks,
The guide pipe is
The floating oil removing device according to claim 1, further comprising a water passage for supplying water to the entire surface of the water receiving blade.
請求項３に記載の発明は、前記ガイドパイプは、
水が流入する断面円形の流入通路を有する液流入部から前記水車に近接する長さであり、
前記流入通路の径が前記ガイドパイプの水通路の径と同径か、または水通路の径より大きいことを特徴とする請求項１または請求項２に記載の浮遊油除去装置である。
The invention according to claim 3 is characterized in that the guide pipe is
A length close to the water wheel from a liquid inflow portion having a circular inflow passage through which water flows,
3. The floating oil removing device according to claim 1, wherein the diameter of the inflow passage is the same as the diameter of the water passage of the guide pipe or larger than the diameter of the water passage.
請求項４に記載の発明は、前記油回収部は、
前記動力伝達部から伝達される回転力で回転する駆動ローラと、
前記貯留槽の液中に配置される従動ローラと、
前記駆動ローラと前記従動ローラに掛け渡される浮遊油が付着する回収ベルトと、
前記回収ベルトに付着する浮遊油を掻き落として回収する掻き落し部を有することを特徴とする請求項１に記載の浮遊油除去装置である。
According to a fourth aspect of the present invention, the oil recovery unit is
A driving roller that rotates with a rotational force transmitted from the power transmission unit;
A driven roller disposed in the liquid in the storage tank;
A collection belt to which floating oil that is stretched over the drive roller and the driven roller adheres;
The floating oil removing device according to claim 1, further comprising a scraping portion that scrapes and collects floating oil adhering to the recovery belt.
請求項５に記載の発明は、前記駆動部は、
前記水車を回転させる水の水量が、１〜１００Ｌ／ｍｉｎの範囲内であることを特徴とする請求項１に記載の浮遊油除去装置である。
According to a fifth aspect of the present invention, the drive unit includes:
2. The floating oil removing apparatus according to claim 1, wherein an amount of water for rotating the water turbine is in a range of 1 to 100 L / min.
請求項６に記載の発明は、前記水車は、
前記水受け羽根の数が、３枚〜１６枚であることを特徴とする請求項２に記載の浮遊油除去装置である。
The invention according to claim 6 is characterized in that the water wheel is
The floating oil removing apparatus according to claim 2, wherein the number of the water receiving blades is 3 to 16.
請求項７に記載の発明は、前記動力伝達部は、
入力ギヤと出力ギヤを有し、
入力ギヤと出力ギヤのギヤ比は、１／１〜１／１００の範囲内であることを特徴とする請求項１に記載の浮遊油除去装置である。
According to a seventh aspect of the present invention, the power transmission unit includes:
Having an input gear and an output gear,
The floating oil removing apparatus according to claim 1, wherein a gear ratio between the input gear and the output gear is in a range of 1/1 to 1/100.
請求項８に記載の発明は、加工液を貯留する貯留槽と、
前記貯留槽に貯留する加工液を加工装置に供給し、この加工に用いた加工液を前記貯留槽へ戻して循環させる循環経路を備え、
前記循環経路から分岐する供給通路に請求項１乃至請求項７のいずれか１項に記載の浮遊油除去装置を配置したことを特徴とする加工液浄化システムである。
The invention according to claim 8 is a storage tank for storing the machining fluid;
Supplying the machining fluid stored in the storage tank to the machining apparatus, and having a circulation path for circulating the machining liquid used for this processing back to the storage tank,
A working fluid purification system, wherein the floating oil removing device according to any one of claims 1 to 7 is arranged in a supply passage branched from the circulation path.
請求項９に記載の発明は、加工液を貯留する貯留槽と、
前記貯留槽に貯留する加工液を加工装置に供給し、この加工に用いた加工液を前記貯留槽へ戻して循環させる循環経路と、
前記循環経路に配置され、前記加工に用いた加工液から遠心力により加工液に含まれる微細物を分離して除去する遠心分離装置を備え、
前記循環経路から分岐する供給通路に請求項１乃至請求項７のいずれか１項に記載の浮遊油除去装置を配置したことを特徴とする加工液浄化システムである。
The invention according to claim 9 is a storage tank for storing the machining fluid;
A circulation path for supplying the machining fluid stored in the storage tank to the machining apparatus, and circulating the machining liquid used for the processing back to the storage tank;
A centrifuge that is arranged in the circulation path and separates and removes fines contained in the processing liquid by centrifugal force from the processing liquid used for the processing;
A working fluid purification system, wherein the floating oil removing device according to any one of claims 1 to 7 is arranged in a supply passage branched from the circulation path.
請求項１０に記載の発明は、前記浮遊油除去装置に供給された加工液を前記貯留槽へ戻して循環させ、
かつ前記供給通路に流量調節弁を配置し、
前記流量調節弁により前記浮遊油除去装置に供給する流量を調節すると共に、
一部の加工液を前記貯留槽に戻すことを特徴とする請求項８または請求項９に記載の加工液浄化システムである。
The invention according to claim 10 circulates the working fluid supplied to the floating oil removing device back to the storage tank,
And a flow control valve is arranged in the supply passage,
While adjusting the flow rate supplied to the floating oil removing device by the flow rate control valve,
The machining fluid purification system according to claim 8 or 9, wherein a part of the machining fluid is returned to the storage tank.
前記構成により、この発明は、以下のような効果を有する。 With the above configuration, the present invention has the following effects.
請求項１に記載の発明では、貯留槽の液面に浮遊する浮遊油を回収する油回収部と、供給される水の水力を回転力に変換する駆動部と、駆動部で変換された回転力を減速して油回収部へ伝達する動力伝達部を備え、駆動部は、水力により回転して回転力を得る水車と、水車に水力を導くガイドパイプを含むことで、モータを用いない簡単でかつコンパクトな構造で供給される水の水力により駆動力を得て、高効率に浮遊油を除去することが可能である。 In the first aspect of the present invention, an oil recovery unit that recovers floating oil floating on the liquid level of the storage tank, a drive unit that converts the hydraulic power of the supplied water into rotational force, and rotation converted by the drive unit It has a power transmission unit that decelerates the force and transmits it to the oil recovery unit, and the drive unit includes a water turbine that rotates by hydraulic power to obtain rotational force, and a guide pipe that guides the hydraulic power to the water turbine. In addition, it is possible to obtain a driving force by the hydraulic power of water supplied in a compact structure and to remove floating oil with high efficiency.
請求項２に記載の発明では、水車は、対向して配置された一対のガイド円盤と、一対のガイド円盤の間に等間隔で配置される水受け羽根とを有し、ガイドパイプは、水受け羽根の全面に水を供給する水通路を有し、供給される水の水力を効率的に水受け羽根に伝達し、水力により水車を回転し、モータを用いない簡単な構造で駆動力を得ることが可能である。 In the invention according to claim 2, the water turbine has a pair of guide disks arranged opposite to each other, and water receiving blades arranged at equal intervals between the pair of guide disks, It has a water passage that supplies water to the entire surface of the receiving blades, efficiently transmits the hydraulic power of the supplied water to the water receiving blades, rotates the water turbine by hydraulic power, and generates a driving force with a simple structure that does not use a motor It is possible to obtain.
請求項３に記載の発明では、ガイドパイプは、水が流入する断面円形の流入通路を有する液流入部から水車に近接する長さであり、流入通路の径がガイドパイプの水通路の径と同径か、または水通路の径より大きいことで、水が周囲に飛散することなく適切な量の水が水受け羽根に供給され、水力により水車を効率的に回転することができる。 In the invention according to claim 3, the guide pipe has a length close to the water turbine from the liquid inflow portion having an inflow passage having a circular cross section through which water flows, and the diameter of the inflow passage is equal to the diameter of the water passage of the guide pipe. By having the same diameter or larger than the diameter of the water passage, an appropriate amount of water is supplied to the water receiving blades without splashing around, and the water turbine can be efficiently rotated by hydraulic power.
請求項４に記載の発明では、油回収部は、動力伝達部から伝達される回転力で回転する駆動ローラと、貯留槽の液中に配置される従動ローラと、駆動ローラと従動ローラに掛け渡される浮遊油が付着する回収ベルトと、回収ベルトに付着する浮遊油を掻き落として回収する掻き落し部を有し、簡単な構造で回収ベルトを駆動して回収ベルトに付着する浮遊油を掻き落として回収することができる。 According to a fourth aspect of the present invention, the oil recovery unit is hung on the driving roller that is rotated by the rotational force transmitted from the power transmission unit, the driven roller that is disposed in the liquid in the storage tank, and the driving roller and the driven roller. It has a recovery belt to which the floating oil that is delivered adheres and a scraping part that scrapes and collects the floating oil that adheres to the recovery belt, and drives the recovery belt with a simple structure to scrape the floating oil that adheres to the recovery belt Dropped and collected.
請求項５に記載の発明では、駆動部は、水車を回転させる水の水量が１〜１００Ｌ／ｍｉｎの範囲内であることで、適切な速度で回収ベルトを駆動して回収ベルトに浮遊油を付着させて浮遊油を回収することができる。 In the invention according to claim 5, the drive unit drives the collection belt at an appropriate speed so that the floating oil is supplied to the collection belt when the amount of water for rotating the turbine is within a range of 1 to 100 L / min. The floating oil can be recovered by adhering.
請求項６に記載の発明では、水車は、水受け羽根の数が、３枚〜１６枚であることで、水車を効率的に回転させることができる。 In the invention according to claim 6, the water turbine can efficiently rotate the water turbine by having 3 to 16 water receiving blades.
請求項７に記載の発明では、動力伝達部は、入力ギヤと出力ギヤを有し、入力ギヤと出力ギヤのギヤ比は、１／１〜１／１００の範囲内であることで、適切な速度で回収ベルトを駆動して回収ベルトに浮遊油を付着させて浮遊油を回収することができる。 In the invention according to claim 7, the power transmission unit has an input gear and an output gear, and the gear ratio between the input gear and the output gear is within a range of 1/1 to 1/100. The collection belt can be recovered by driving the collection belt at a speed and attaching the floating oil to the collection belt.
請求項８に記載の発明では、加工液を貯留する貯留槽と、加工液を加工装置に供給し、この加工に用いた加工液を貯留槽へ戻して循環させる循環経路を備え、循環経路から分岐する供給通路に請求項１乃至請求項７のいずれか１項に記載の浮遊油除去装置を配置し、加工液を利用して浮遊油除去装置の水車を回転させて動力を得ることで、モータを用いない簡単でかつコンパクトな構造で駆動力を得て、高効率に浮遊油を除去することが可能である。 The invention according to claim 8 includes a storage tank for storing the machining liquid, a circulation path for supplying the machining liquid to the machining apparatus, and circulating the machining liquid used for the machining back to the storage tank. By disposing the floating oil removing device according to any one of claims 1 to 7 in the branched supply passage, and obtaining the power by rotating the water wheel of the floating oil removing device using the processing liquid, It is possible to obtain a driving force with a simple and compact structure without using a motor, and to remove floating oil with high efficiency.
請求項９に記載の発明では、加工液を貯留する貯留槽と、加工液を加工装置に供給し、この加工に用いた加工液を貯留槽へ戻して循環させる循環経路と、循環経路に配置され、加工に用いた加工液から遠心力により加工液に含まれる微細物を分離して除去する遠心分離装置を備え、循環経路から分岐する供給通路に浮遊油除去装置を配置し、加工液を利用して浮遊油除去装置の水車を回転させて動力を得ることで、モータを用いない簡単でかつコンパクトな構造で駆動力を得て、高効率に浮遊油を除去することが可能である。 According to the ninth aspect of the present invention, the storage tank for storing the machining liquid, the circulation path for supplying the machining liquid to the machining apparatus, and circulating the machining liquid used for the machining back to the storage tank, and the circulation path are arranged. Equipped with a centrifugal separator that separates and removes fines contained in the machining fluid by centrifugal force from the machining fluid used in the machining, and a floating oil removing device is disposed in the supply passage that branches off from the circulation path. By utilizing the rotating water turbine of the floating oil removing device to obtain power, it is possible to obtain a driving force with a simple and compact structure that does not use a motor and to remove floating oil with high efficiency.
請求項１０に記載の発明では、浮遊油除去装置に供給された加工液を貯留槽へ戻して循環させ、かつ供給通路に流量調節弁を配置し、流量調節弁により浮遊油除去装置に供給する流量を調節すると共に、一部の加工液を貯留槽に戻すことで、加工液を利用して浮遊油除去装置の水車を適切な速度で回転させて動力を得ることができる。 In the invention according to claim 10, the working fluid supplied to the floating oil removing device is returned to the storage tank and circulated, and a flow rate adjusting valve is disposed in the supply passage, and the floating oil removing device is supplied by the flow rate adjusting valve. By adjusting the flow rate and returning a part of the machining fluid to the storage tank, power can be obtained by rotating the water wheel of the floating oil removing device at an appropriate speed using the machining fluid.
以下、この発明の浮遊油除去装置及び加工液浄化システムの実施の形態について説明する。この発明の実施の形態は、発明の最も好ましい形態を示すものであり、この発明はこれに限定されない。 Hereinafter, embodiments of the floating oil removing device and the working fluid purification system of the present invention will be described. The embodiment of the present invention shows the most preferable mode of the present invention, and the present invention is not limited to this.
（浮遊油除去装置）
この実施の形態の浮遊油除去装置を図１乃至図４に基づいて説明する。図１は浮遊油除去装置の斜視図、図２は浮遊油除去装置の側面図、図３は液流入部の径とガイドパイプの径との関係を示す図、図４は水車の水受け羽根とガイドパイプの径との関係を示す図である。
(Floating oil removal device)
A floating oil removing apparatus according to this embodiment will be described with reference to FIGS. 1 is a perspective view of the floating oil removing device, FIG. 2 is a side view of the floating oil removing device, FIG. 3 is a diagram showing the relationship between the diameter of the liquid inflow portion and the diameter of the guide pipe, and FIG. It is a figure which shows the relationship between the diameter of a guide pipe.
この浮遊油除去装置１は、貯留槽の液面に浮遊する浮遊油を回収する油回収部１０と、供給される水の水力を回転力に変換する駆動部２０と、駆動部２０で変換された回転力を減速して油回収部１０へ伝達する動力伝達部３０を備えている。 The floating oil removing device 1 is converted by an oil recovery unit 10 that recovers floating oil floating on the liquid level of a storage tank, a drive unit 20 that converts the hydraulic power of supplied water into rotational force, and a drive unit 20. The power transmission part 30 which decelerates the transmitted rotational force and transmits it to the oil recovery part 10 is provided.
油回収部１０は、動力伝達部２０から伝達される回転力で回転する駆動ローラ１１と、貯留槽の液中に配置される従動ローラ１２と、駆動ローラ１１と従動ローラ１２に掛け渡される浮遊油が付着する回収ベルト１３と、回収ベルト１３に付着する浮遊油を掻き落として回収する掻き落し部１４を有する。 The oil recovery unit 10 includes a driving roller 11 that rotates with the rotational force transmitted from the power transmission unit 20, a driven roller 12 that is disposed in the liquid in the storage tank, and a floating that is stretched over the driving roller 11 and the driven roller 12. A recovery belt 13 to which oil adheres and a scraping portion 14 that scrapes and collects floating oil that adheres to the recovery belt 13 are provided.
駆動ローラ１１は、駆動軸１５に固定され、従動ローラ１２は、従動軸１６に回転可能に支持されている。駆動軸１５及び従動軸１６は、支持プレート１７に支持されており、支持プレート１７は、装置本体２に取り付けられている。駆動ローラ１１と従動ローラ１２は、例えばアクリル、塩ビ、ポリエチレン、ポリプロピレン、ポリオキシメチレンなどの樹脂で成形される。 The driving roller 11 is fixed to the driving shaft 15, and the driven roller 12 is rotatably supported by the driven shaft 16. The drive shaft 15 and the driven shaft 16 are supported by a support plate 17, and the support plate 17 is attached to the apparatus main body 2. The driving roller 11 and the driven roller 12 are formed of a resin such as acrylic, polyvinyl chloride, polyethylene, polypropylene, or polyoxymethylene.
回収ベルト１３は、ワイドな幅広ベルトが用いられ、親油特性が優れた特殊ベルトを使用、効率良く液面に浮遊する浮上油を回収し、浮上油が付着し易い材料を用いることが浮上油を効率的に回収でき好ましい。回収ベルト１３の下方は、貯留槽の液中に位置する構成であり、貯留槽の液面の変動があっても回収能力は変わらず常に一定である。この回収ベルト１３は、表面に凹凸を設けたり、あるいは溝を設けたり、表面を粗くすることで浮上油が付着し易いようにしてもよい。 The recovery belt 13 is a wide wide belt, uses a special belt with excellent oleophilic properties, efficiently collects floating oil floating on the liquid surface, and uses a material that easily attaches to the floating oil. Can be efficiently recovered. Below the recovery belt 13 is a configuration located in the liquid in the storage tank, and even if there is a change in the liquid level of the storage tank, the recovery capability is not changed and is always constant. The recovery belt 13 may be provided with irregularities on the surface, grooves, or roughened surface so that the floating oil can be easily attached.
掻き落し部１４は、スクレーパ１４ａと浮遊油溜め部１４ｂを有する。スクレーパ１４ａの先端は回収ベルト１３の表面に押圧されており、回収ベルト１３の表面に付着した浮遊油は、スクレーパ１４ａにより掻き取られて分離する。回収ベルト１３から分離した浮遊油は、落下して浮遊油溜め部１４ｂに回収される。 The scraping portion 14 has a scraper 14a and a floating oil reservoir 14b. The tip of the scraper 14a is pressed against the surface of the recovery belt 13, and the floating oil adhering to the surface of the recovery belt 13 is scraped off and separated by the scraper 14a. The floating oil separated from the collection belt 13 falls and is collected in the floating oil reservoir 14b.
このように、油回収部１０は、動力伝達部２０から伝達される回転力で回転する駆動ローラ１１と、貯留槽の液中に配置される従動ローラ１２と、駆動ローラ１１と従動ローラ１２に掛け渡される浮遊油が付着する回収ベルト１３と、回収ベルト１３に付着する浮遊油を掻き落として回収する掻き落し部１４を有する簡単な構造であり、この構成により回収ベルト１３に付着する浮遊油を掻き落として回収することができる。 As described above, the oil recovery unit 10 includes the driving roller 11 that rotates by the rotational force transmitted from the power transmission unit 20, the driven roller 12 that is disposed in the liquid in the storage tank, and the driving roller 11 and the driven roller 12. It has a simple structure having a collection belt 13 to which suspended floating oil is attached and a scraping portion 14 for collecting the floating oil attached to the collection belt 13 by scraping and collecting the floating oil attached to the collection belt 13 by this configuration. Can be scraped off and collected.
従動ローラ１２は、貯留槽の液中に配置され、回収ベルト１３が搬送されることで浮遊油が回収ベルト１３の下端部に付着して回収され、この回収ベルト１３は貯留槽の液面に対して垂直に配置してもよいし、所定角度傾斜させて配置してもよい。回収ベルト１３を貯留槽の液面に対して垂直に配置するとコンパクトな配置となり、所定角度傾斜させて配置すると浮遊油が回収ベルト１３に乗った状態で浮遊油を効率的に回収することができる。 The driven roller 12 is disposed in the liquid in the storage tank, and when the collection belt 13 is conveyed, the floating oil adheres to the lower end of the collection belt 13 and is collected. The collection belt 13 is placed on the liquid level in the storage tank. Alternatively, they may be arranged vertically or may be arranged at a predetermined angle. When the collection belt 13 is arranged perpendicular to the liquid level of the storage tank, a compact arrangement is obtained. When the collection belt 13 is inclined at a predetermined angle, the floating oil can be efficiently collected while the floating oil is on the collection belt 13. .
また、油回収部１０の構成は、図１及び図４の回収ベルト１３を用いるものに限定されず、例えば回収円盤を用いてもよい。この場合は、回収円盤の一部を貯留槽の液中に配置し、回収円盤の回転により回収円盤に付着する浮遊油を回収する。 Moreover, the structure of the oil collection | recovery part 10 is not limited to what uses the collection | recovery belt 13 of FIG.1 and FIG.4, For example, you may use a collection | recovery disk. In this case, a part of the recovery disk is placed in the liquid in the storage tank, and the floating oil adhering to the recovery disk is recovered by rotation of the recovery disk.
駆動部２０は、水力により回転して回転力を得る水車２１と、水車２１に水力を導くガイドパイプ２２を含む構成である。水車２１は、対向して配置された一対のガイド円盤２１ａ，２１ｂと、一対のガイド円盤２１ａ，２１ｂの間に等間隔で配置される水受け羽根２１ｃを有し、回転軸２１ｄを支点に装置本体２に回転可能に取り付けられている。水受け羽根２１ｃの数は、例えば３枚〜１６枚が好ましく、水車２１を効率的に回転させることができるが、３枚〜１６枚に限定されるものではない。 The drive unit 20 includes a water turbine 21 that rotates by hydraulic power to obtain rotational force, and a guide pipe 22 that guides the hydraulic power to the water turbine 21. The water turbine 21 has a pair of guide disks 21a and 21b arranged opposite to each other, and water receiving blades 21c arranged at equal intervals between the pair of guide disks 21a and 21b, and the rotation shaft 21d serves as a fulcrum. The main body 2 is rotatably attached. The number of water receiving blades 21c is preferably, for example, 3 to 16, and the water turbine 21 can be efficiently rotated, but is not limited to 3 to 16 sheets.
ガイドパイプ２２は、図３に示すように、水受け羽根２１ｃの全面に水を供給する水通路２２ａを有する。ガイドパイプ２２は、装置本体２に取り付けられた液流入部３に接続されており、液流入部３には、水を供給するパイプ４が接続される。ガイドパイプ２２から水は、一対のガイド円盤２１ａ，２１ｂの間に配置される水受け羽根２１ｃに供給され、ガイドパイプ２２は、水受け羽根２１ｃの全面に水を供給する水通路２２ａを有していることから、供給される水の水力を効率的に水受け羽根２１ｃに伝達して水車２１を回転させることができる。 As shown in FIG. 3, the guide pipe 22 has a water passage 22a for supplying water to the entire surface of the water receiving blade 21c. The guide pipe 22 is connected to a liquid inflow portion 3 attached to the apparatus main body 2, and a pipe 4 for supplying water is connected to the liquid inflow portion 3. Water is supplied from the guide pipe 22 to a water receiving blade 21c disposed between the pair of guide disks 21a and 21b. The guide pipe 22 has a water passage 22a for supplying water to the entire surface of the water receiving blade 21c. Therefore, the hydraulic power of the supplied water can be efficiently transmitted to the water receiving blade 21c to rotate the water turbine 21.
ガイドパイプ２２は、図２に示すように、水が流入する断面円形の流入通路３ａを有する液流入部３から水車２１に近接する長さＬであり、図３に示すように、流入通路３ａの径Ｄ１がガイドパイプ２２の水通路２２ａの径Ｄ２と同径か、水通路２２ａの径Ｄ２より大きい。このように、ガイドパイプ２２は、水が流入する断面円形の流入通路３ａを有する液流入部３から水車２１に近接する長さＬであり、液流入部３の流入通路３ａの径Ｄ１がガイドパイプ２２の水通路２２ａの径Ｄ２と同径か、水通路２２ａの径Ｄ２より大きいことで、水が周囲に飛散することなく適切な量の水が整流状態で水受け羽根２１ｃに供給され、水力により水車２１を効率的に回転させることができる。 2, the guide pipe 22 has a length L close to the water turbine 21 from the liquid inflow portion 3 having an inflow passage 3a having a circular cross section through which water flows. As shown in FIG. 3, the inflow passage 3a Is equal to the diameter D2 of the water passage 22a of the guide pipe 22 or larger than the diameter D2 of the water passage 22a. Thus, the guide pipe 22 has a length L close to the water turbine 21 from the liquid inflow portion 3 having the circular inflow passage 3a into which water flows, and the diameter D1 of the inflow passage 3a of the liquid inflow portion 3 is a guide. By having the same diameter as the diameter D2 of the water passage 22a of the pipe 22 or larger than the diameter D2 of the water passage 22a, an appropriate amount of water is supplied to the water receiving blade 21c in a rectified state without splashing water around. The water turbine 21 can be efficiently rotated by hydraulic power.
駆動部２０は、水車２１を回転させる水の水量が１〜１００Ｌ／ｍｉｎの範囲内であり、この水の水量によって適切な速度で水車２１を回転させることができるが、水の水量は１〜１００Ｌ／ｍｉｎの範囲に限定されるものではない。 The drive unit 20 has a water amount for rotating the water wheel 21 within a range of 1 to 100 L / min, and can rotate the water wheel 21 at an appropriate speed depending on the water amount. It is not limited to the range of 100 L / min.
動力伝達部３０は、入力ギヤ３１と出力ギヤ３２を有し、入力ギヤ３１と出力ギヤ３２の間に、中間ギヤ３３ａ〜３３ｄが噛み合っている。入力ギヤ３１は、水車２１の回転軸２１ｄに設けられ、出力ギヤ３２は駆動軸１５に設けられている。中間ギヤ３３ａ，３３ｂは、回転軸３５に設けられ、中間ギヤ３３ｃ，３３ｄは、回転軸３６に設けられている。水車２１の回転力を入力ギヤ３１から中間ギヤ３３ａ〜３３ｄにより減速して出力ギヤ３２へ伝達する。 The power transmission unit 30 includes an input gear 31 and an output gear 32, and intermediate gears 33 a to 33 d are engaged between the input gear 31 and the output gear 32. The input gear 31 is provided on the rotating shaft 21 d of the water wheel 21, and the output gear 32 is provided on the drive shaft 15. The intermediate gears 33 a and 33 b are provided on the rotation shaft 35, and the intermediate gears 33 c and 33 d are provided on the rotation shaft 36. The rotational force of the water turbine 21 is decelerated from the input gear 31 by the intermediate gears 33 a to 33 d and transmitted to the output gear 32.
動力伝達部３０は、駆動部２０で変換された回転力を減速して油回収部１０へ伝達し、この動力伝達部３０では、入力ギヤ３１と出力ギヤ３２のギヤ比は、１／１〜１／１００の範囲内であり、適切な搬送速度で回収ベルト１３を駆動して回収ベルト１３に浮遊油を付着させて浮遊油を回収することができるが、入力ギヤ３１と出力ギヤ３２のギヤ比は、１／１〜１／１００の範囲に限定されるものではない。回収ベルト１３の搬送速度が所定以下であると、回収ベルト１３に付着して持ち上げられる浮遊油が自重で落下することがあり、また搬送速度が所定以上であると、回収ベルト１３によって浮遊油を持ち上げることができないことがある。 The power transmission unit 30 decelerates the rotational force converted by the drive unit 20 and transmits it to the oil recovery unit 10. In this power transmission unit 30, the gear ratio between the input gear 31 and the output gear 32 is 1/1 to 1−. It is within the range of 1/100, and the recovery belt 13 can be driven at an appropriate conveyance speed to allow the floating oil to adhere to the recovery belt 13 and collect the floating oil. However, the gears of the input gear 31 and the output gear 32 The ratio is not limited to the range of 1/1 to 1/100. If the transport speed of the recovery belt 13 is less than a predetermined value, the floating oil that adheres to the recovery belt 13 and is lifted may fall by its own weight. If the transport speed is higher than the predetermined speed, You may not be able to lift.
この実施の形態の浮遊油除去装置１は、貯留槽の液面に浮遊する浮遊油を回収する油回収部１０と、供給される水の水力を回転力に変換する駆動部２０と、駆動部２０で変換された回転力を減速して油回収部１０へ伝達する動力伝達部３０を備えており、駆動部２０は、ガイドパイプ２２により水を水車２１に供給し、水力により水車２１を回転させて回転力を得る構造である。このように、モータを用いない簡単な構造で供給される水の水力により駆動力を得て油回収部１０を駆動し、高効率に液面に浮遊する浮遊油を回収して除去することが可能である。 The floating oil removing apparatus 1 according to this embodiment includes an oil recovery unit 10 that recovers floating oil floating on the liquid surface of a storage tank, a driving unit 20 that converts hydraulic power of supplied water into rotational force, and a driving unit. 20 includes a power transmission unit 30 that decelerates the rotational force converted at 20 and transmits it to the oil recovery unit 10. The drive unit 20 supplies water to the water turbine 21 through the guide pipe 22 and rotates the water turbine 21 by hydraulic power. It is a structure that obtains rotational force. In this way, the oil recovery unit 10 can be driven by the driving force of water supplied with a simple structure that does not use a motor to drive and recover the floating oil floating on the liquid surface with high efficiency. Is possible.
（第１の実施の形態の加工液浄化システム）
この実施の形態の加工液浄化システムを図５に基づいて説明する。図５は加工液浄化システムの構成図である。
(Working fluid purification system of the first embodiment)
The working fluid purification system of this embodiment will be described with reference to FIG. FIG. 5 is a configuration diagram of the machining fluid purification system.
この加工液浄化システム１００は、加工液を貯留する貯留槽１０１と、加工液を加工装置１０２に供給し、この加工に用いた加工液を貯留槽１０１へ戻して循環させる循環経路１０３を備える。この循環経路１０３に分岐部１０４を介して設けられた供給通路１０５に浮遊油除去装置１を配置する。 The processing liquid purification system 100 includes a storage tank 101 that stores the processing liquid, and a circulation path 103 that supplies the processing liquid to the processing apparatus 102 and returns the processing liquid used for the processing to the storage tank 101 for circulation. The floating oil removing device 1 is disposed in a supply passage 105 provided in the circulation path 103 via a branching portion 104.
この浮遊油除去装置１は図１乃至図４に記載の実施の形態の構成であるから詳細な説明は省略する。この加工液浄化システム１００は、自動車、工作機、加工業の切削液などの加工液に含まれる切削粉等の微細物の除去に、また半導体、バイオ等の処理液などの加工液に含まれる不純物等の微細物の除去に使用される。この実施の形態では、流体として液体に含まれる微粉末状クズの微細物を除去する場合について用いているが、微細物であればよく、微粉末状クズに限定されない。 Since this floating oil removing apparatus 1 has the configuration of the embodiment described in FIGS. 1 to 4, a detailed description thereof will be omitted. This machining fluid purification system 100 is included in the removal of fines such as cutting powder contained in machining fluids such as cutting fluids for automobiles, machine tools, and processing industries, and in machining fluids such as processing fluids such as semiconductors and biotechnology. Used for removing fines such as impurities. In this embodiment, although it is used about the case where the fine substance of the fine powdery waste contained in the liquid is removed as a fluid, it should just be a fine thing and is not limited to fine powdery waste.
循環経路１０３には、循環ポンプ１０６が配置され、この循環ポンプ１０６の駆動により貯留槽１０１に溜まる加工液が分岐部１２０を介して加工装置１０２に供給される。分岐部１２０に接続した供給通路１０５には、流量調節弁１０７を備え、この流量調節弁１０７は、浮遊油除去装置１へ供給する加工液を調整し、加工液の一部を分岐して戻し通路１０８を介して貯留槽１０１へ戻す。 A circulation pump 106 is disposed in the circulation path 103, and the machining liquid that accumulates in the storage tank 101 by driving the circulation pump 106 is supplied to the machining apparatus 102 via the branch portion 120. The supply passage 105 connected to the branch portion 120 is provided with a flow rate adjusting valve 107. This flow rate adjusting valve 107 adjusts the processing liquid supplied to the floating oil removing device 1 and branches back a part of the processing liquid. It returns to the storage tank 101 through the passage 108.
浮遊油除去装置１では、加工液により駆動部２０の水車２１を回転させ、この水車２１の回転に用いた加工液は、戻し通路１１０を介して貯留槽１０１へ戻す。貯留槽１０１へ戻す加工液を利用して浮遊油除去装置１の水車２１を回転させて動力を得ることで、モータを用いない簡単で、かつコンパクトな構造で駆動力を得て、高効率に加工液面に浮遊する浮遊油を除去することが可能である。 In the floating oil removing apparatus 1, the water wheel 21 of the drive unit 20 is rotated by the processing liquid, and the processing liquid used for the rotation of the water wheel 21 is returned to the storage tank 101 through the return passage 110. By using the working fluid returned to the storage tank 101 and rotating the water wheel 21 of the floating oil removing device 1 to obtain power, the driving force is obtained with a simple and compact structure that does not use a motor, and high efficiency. It is possible to remove floating oil floating on the processing liquid surface.
また、浮遊油除去装置１に供給された加工液を貯留槽１０１へ戻して循環させ、かつ流量調節弁１０７により浮遊油除去装置１に供給する流量を調節すると共に、一部の加工液を貯留槽１０１へ戻すことで、加工液を利用して浮遊油除去装置１の水車２１を適切な速度で回転させて動力を得ることができる。 Further, the machining fluid supplied to the floating oil removing apparatus 1 is returned to the storage tank 101 and circulated, and the flow rate supplied to the floating oil removing apparatus 1 is adjusted by the flow rate control valve 107 and a part of the machining liquid is stored. By returning to the tank 101, power can be obtained by rotating the water wheel 21 of the floating oil removing apparatus 1 at an appropriate speed using the machining fluid.
（第２の実施の形態の加工液浄化システム）
この実施の形態の加工液浄化システムを図６に基づいて説明する。図６は加工液浄化システムの構成図である。
(Working fluid purification system of the second embodiment)
The machining fluid purification system of this embodiment will be described with reference to FIG. FIG. 6 is a configuration diagram of the machining fluid purification system.
この実施の形態の加工液浄化システムは、図５の実施の形態と同様に構成されるが、加工に用いた加工液から遠心力により加工液に含まれる微細物を分離して除去する遠心分離装置１０４を、循環経路１０３に備える。この遠心分離装置１０４の出力側に分岐部１２０が配置され、微細物を分離して除去した加工液が分岐部１２０を介して加工装置１０２に供給される。 The machining fluid purification system of this embodiment is configured in the same manner as the embodiment of FIG. 5, but is a centrifugal separator that separates and removes fines contained in the machining fluid from the machining fluid used for machining by centrifugal force. A device 104 is provided in the circulation path 103. A branching unit 120 is disposed on the output side of the centrifugal separator 104, and the processing liquid that has been separated and removed from the fines is supplied to the processing device 102 via the branching unit 120.
遠心分離装置１０４は、加工液の入力側１０４ａを、循環ポンプ側に接続し、微細物を分離して除去した加工液の出力側１０４ｂを、加工装置側に接続した構成である。この遠心分離装置１０４には、入力側１０４ａから微細物を含む加工液が所定流速で供給され、内部において加工液が渦巻きとなり、遠心力により微細物を含む加工液から微細物を分離して沈降させる。遠心分離装置１０４には、排出管１０４ｃが接続されており、この排出管１０４ｃに設けられた排出バルブ１０４ｄの操作によって沈殿した微細物を回収部１２１へ排出する。 The centrifugal separator 104 has a configuration in which the processing liquid input side 104a is connected to the circulation pump side, and the processing liquid output side 104b from which fines are separated and removed is connected to the processing apparatus side. The centrifugal separator 104 is supplied with a machining fluid containing fines from the input side 104a at a predetermined flow rate. The machining fluid is swirled inside and separated from the machining fluid containing fines by centrifugal force and settled. Let The centrifugal separator 104 is connected to a discharge pipe 104c, and discharges fines precipitated by operating a discharge valve 104d provided in the discharge pipe 104c to the collection unit 121.
回収部１２１への排出は、排出バルブ１０４ｄを一定開度開放式で排出するようにしてもよく、また自動開閉式で排出するようにしてもよい。また、排出バルブ１０４ｄに代えてドレンカップを接続して排出するようにしてもよいが、排出方法により出口側の流量が違うため事前に決めが必要である。 As for the discharge to the collection unit 121, the discharge valve 104d may be discharged with a constant opening degree, or may be discharged with an automatic opening and closing type. In addition, a drain cup may be connected instead of the discharge valve 104d for discharge, but the flow rate on the outlet side differs depending on the discharge method, and therefore needs to be determined in advance.
この遠心分離装置１０４の出力側に浮遊油除去装置１を配置し、貯留槽１０１へ戻す加工液を利用して浮遊油除去装置１の水車２１を回転させて動力を得ることで、モータを用いない簡単で、かつコンパクトな構造で駆動力を得て、高効率に加工液面に浮遊する浮遊油を除去することが可能である。 The floating oil removing device 1 is arranged on the output side of the centrifugal separator 104, and the motor is used by obtaining power by rotating the water wheel 21 of the floating oil removing device 1 using the processing liquid returned to the storage tank 101. It is possible to remove the floating oil floating on the processing liquid surface with high efficiency by obtaining driving force with a simple and compact structure.
また、浮遊油除去装置１に供給された加工液を貯留槽１０１へ戻して循環させ、かつ遠心分離装置１０４の出力側に流量調節弁１０７を配置し、流量調節弁１０７により浮遊油除去装置１に供給する流量を調節すると共に、一部の加工液を貯留槽１０１へ戻すことで、加工液を利用して浮遊油除去装置１の水車２１を適切な速度で回転させて動力を得ることができる。 In addition, the working fluid supplied to the floating oil removing apparatus 1 is returned to the storage tank 101 for circulation, and the flow rate adjusting valve 107 is disposed on the output side of the centrifugal separator 104. By adjusting the flow rate to be supplied to the tank and returning a part of the machining fluid to the storage tank 101, the hydraulic turbine 21 of the floating oil removing device 1 can be rotated at an appropriate speed using the machining fluid to obtain power. it can.
この発明は、工作機械や工作物などの加工や洗浄などに用いる液を貯留せしめた貯留槽に浮遊する油を回収して除去する浮遊油除去装置及び加工液浄化システムに適用可能であり、モータを用いない簡単でかつコンパクトな構造で駆動力を得て、高効率に浮遊油を除去することが可能である。 The present invention can be applied to a floating oil removing apparatus and a machining liquid purification system that recover and remove oil floating in a storage tank in which liquid used for processing and cleaning of machine tools and workpieces is stored. It is possible to obtain a driving force with a simple and compact structure that does not use, and to remove floating oil with high efficiency.
１ 浮遊油除去装置
２ 装置本体
３ 液流入部
３ａ 流入通路
１０ 油回収部
１１ 駆動ローラ
１２ 従動ローラ
１３ 回収ベルト
１４ 掻き落し部
１４ａ スクレーパ
１４ｂ 浮遊油溜め部
１５ 支持プレート
２０ 駆動部
２１ 水車
２１ａ，２１ｂ 一対のガイド円盤
２１ｃ 水受け羽根
２１ｄ 回転軸
２２ ガイドパイプ
２２ａ 水通路
３０ 動力伝達部
３１ 入力ギヤ
３２ 出力ギヤ
３３ａ〜３３ｄ 中間ギヤ
１００ 加工液浄化システム
１０１ 貯留槽
１０２ 加工装置
１０３ 循環経路
１０４ 遠心分離装置
１０５ 供給通路
１０６ 循環ポンプ
１０７ 流量調節弁
１０８ 戻し通路
DESCRIPTION OF SYMBOLS 1 Floating oil removal apparatus 2 Apparatus main body 3 Liquid inflow part 3a Inflow passage 10 Oil recovery part 11 Drive roller 12 Followed roller 13 Recovery belt 14 Scraping part 14a Scraper 14b Floating oil sump part 15 Support plate 20 Drive part 21 Water wheels 21a, 21b A pair of guide disks 21c Water receiving blades 21d Rotating shaft 22 Guide pipe 22a Water passage 30 Power transmission unit 31 Input gear 32 Output gears 33a to 33d Intermediate gear 100 Working fluid purification system 101 Reservoir 102 Processing device 103 Circulation path 104 Centrifugal separator 105 Supply passage 106 Circulation pump 107 Flow control valve 108 Return passage
Claims (10)
供給される水の水力を回転力に変換する駆動部と、
前記駆動部で変換された回転力を減速して前記油回収部へ伝達する動力伝達部を備え、
前記駆動部は、
水力により回転して回転力を得る水車と、
前記水車に水力を導くガイドパイプを含むことを特徴とする浮遊油除去装置。 An oil recovery section for recovering floating oil floating on the liquid surface of the storage tank;
A drive unit that converts the hydraulic power of the supplied water into rotational force;
A power transmission unit that decelerates the rotational force converted by the drive unit and transmits the rotational force to the oil recovery unit;
The drive unit is
A water turbine that rotates by hydraulic power and obtains rotational force;
A floating oil removing apparatus comprising a guide pipe for guiding hydraulic power to the water wheel.
対向して配置された一対のガイド円盤と、
前記一対のガイド円盤の間に等間隔で配置される水受け羽根を有し、
前記ガイドパイプは、
前記水受け羽根の全面に水を供給する水通路を有することを特徴とする請求項１に記載の浮遊油除去装置。 The water wheel is
A pair of guide disks arranged opposite each other;
Having water receiving blades arranged at equal intervals between the pair of guide disks,
The guide pipe is
The floating oil removing apparatus according to claim 1, further comprising a water passage for supplying water to the entire surface of the water receiving blade.
水が流入する断面円形の流入通路を有する液流入部から前記水車に近接する長さであり、
前記流入通路の径が前記ガイドパイプの水通路の径と同径か、または水通路の径より大きいことを特徴とする請求項１または請求項２に記載の浮遊油除去装置。 The guide pipe is
A length close to the water wheel from a liquid inflow portion having a circular inflow passage through which water flows,
The floating oil removing device according to claim 1 or 2, wherein the diameter of the inflow passage is the same as the diameter of the water passage of the guide pipe or larger than the diameter of the water passage.
前記動力伝達部から伝達される回転力で回転する駆動ローラと、
前記貯留槽の液中に配置される従動ローラと、
前記駆動ローラと前記従動ローラに掛け渡される浮遊油が付着する回収ベルトと、
前記回収ベルトに付着する浮遊油を掻き落として回収する掻き落し部を有することを特徴とする請求項１に記載の浮遊油除去装置。 The oil recovery unit
A driving roller that rotates with a rotational force transmitted from the power transmission unit;
A driven roller disposed in the liquid in the storage tank;
A collection belt to which floating oil that is stretched over the drive roller and the driven roller adheres;
The floating oil removing apparatus according to claim 1, further comprising a scraping portion that scrapes off and collects floating oil adhering to the collecting belt.
前記水車を回転させる水の水量が、１〜１００Ｌ／ｍｉｎの範囲内であることを特徴とする請求項１に記載の浮遊油除去装置。 The drive unit is
The floating oil removing device according to claim 1, wherein an amount of water for rotating the water wheel is in a range of 1 to 100 L / min.
前記水受け羽根の数が、３枚〜１６枚であることを特徴とする請求項２に記載の浮遊油除去装置。 The water wheel is
The floating oil removing device according to claim 2, wherein the number of the water receiving blades is 3 to 16.
入力ギヤと出力ギヤを有し、
入力ギヤと出力ギヤのギヤ比は、１／１〜１／１００の範囲内であることを特徴とする請求項１に記載の浮遊油除去装置。 The power transmission unit is
Having an input gear and an output gear,
The floating oil removing apparatus according to claim 1, wherein a gear ratio between the input gear and the output gear is in a range of 1/1 to 1/100.
前記貯留槽に貯留する加工液を加工装置に供給し、この加工に用いた加工液を前記貯留槽へ戻して循環させる循環経路を備え、
前記循環経路から分岐する供給通路に請求項１乃至請求項７のいずれか１項に記載の浮遊油除去装置を配置したことを特徴とする加工液浄化システム。 A storage tank for storing the machining fluid;
Supplying the machining fluid stored in the storage tank to the machining apparatus, and having a circulation path for circulating the machining liquid used for this processing back to the storage tank,
A working fluid purification system, wherein the floating oil removing device according to any one of claims 1 to 7 is arranged in a supply passage branched from the circulation path.
前記貯留槽に貯留する加工液を加工装置に供給し、この加工に用いた加工液を前記貯留槽へ戻して循環させる循環経路と、
前記循環経路に配置され、前記加工に用いた加工液から遠心力により加工液に含まれる微細物を分離して除去する遠心分離装置を備え、
前記循環経路から分岐する供給通路に請求項１乃至請求項７のいずれか１項に記載の浮遊油除去装置を配置したことを特徴とする加工液浄化システム。 A storage tank for storing the machining fluid;
A circulation path for supplying the machining fluid stored in the storage tank to the machining apparatus, and circulating the machining liquid used for the processing back to the storage tank;
A centrifuge that is arranged in the circulation path and separates and removes fines contained in the processing liquid by centrifugal force from the processing liquid used for the processing;
A working fluid purification system, wherein the floating oil removing device according to any one of claims 1 to 7 is arranged in a supply passage branched from the circulation path.
かつ前記供給通路に流量調節弁を配置し、
前記流量調節弁により前記浮遊油除去装置に供給する流量を調節すると共に、
一部の加工液を前記貯留槽に戻すことを特徴とする請求項８または請求項９に記載の加工液浄化システム。 Circulating the working fluid supplied to the floating oil removing device back to the storage tank,
And a flow control valve is arranged in the supply passage,
While adjusting the flow rate supplied to the floating oil removing device by the flow rate control valve,
The machining fluid purification system according to claim 8 or 9, wherein a part of the machining fluid is returned to the storage tank.
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| CN113277596A (en) * | 2021-06-07 | 2021-08-20 | 合肥瀚蓝环保科技有限公司 | Oily sewage treatment device |
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