JP7072172B2 - Foreign matter separation and removal device - Google Patents

Foreign matter separation and removal device Download PDF

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JP7072172B2
JP7072172B2 JP2019080129A JP2019080129A JP7072172B2 JP 7072172 B2 JP7072172 B2 JP 7072172B2 JP 2019080129 A JP2019080129 A JP 2019080129A JP 2019080129 A JP2019080129 A JP 2019080129A JP 7072172 B2 JP7072172 B2 JP 7072172B2
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良成 今川
秀一 渡辺
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Yamaho Industry Co Ltd
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特許法第30条第2項適用 展示会名 TOYO Innovation Fair 2019 開催日 2019年3月7日~8日Patent Law Article 30 Paragraph 2 Applicable Exhibition Name TOYO Innovation Fair 2019 Date March 7-8, 2019

この発明は、液体に混入した異物を、フィルタを用いずに遠心力で分離して除去するサイクロン方式の異物分離除去装置に関する。 The present invention relates to a cyclone-type foreign matter separation / removal device that separates and removes foreign matter mixed in a liquid by centrifugal force without using a filter.

異物が混入している液体の代表的なものとして、各種の機械油や洗浄液が知られている。切削用クーラント、電解液、研磨液、潤滑油などの機械油には、金属の切屑や金属粉、砥石から脱落した砥粒などの異物が含まれている。 Various machine oils and cleaning liquids are known as typical liquids containing foreign substances. Machine oils such as cutting coolants, electrolytic solutions, polishing fluids, and lubricating oils contain foreign substances such as metal chips, metal powder, and abrasive grains that have fallen off the grindstone.

機械部品や各種機器のパーツなどの浄化に利用した洗浄液にも、砂や、ガラス粉、金属粉などの異物が含まれている。 The cleaning liquid used to purify machine parts and parts of various equipment also contains foreign substances such as sand, glass powder, and metal powder.

液体中に混入しているその異物の除去は、濾過装置に液体を通して液体中の異物を濾過装置内のフィルタで漉し取る方法が一般的に採用されているが、フィルタを使用した濾過装置は、経時使用によるフィルタの目詰まりが避けられない。 To remove the foreign matter mixed in the liquid, a method of passing the liquid through the filtration device and filtering the foreign matter in the liquid with a filter in the filtration device is generally adopted. Clogged filters are inevitable due to use over time.

その目詰まりが生じると濾過の効率が低下する。このため、管理や目詰まりしたフィルタの交換、洗浄が必須となる。 When the clogging occurs, the efficiency of filtration decreases. Therefore, management, replacement of clogged filters, and cleaning are indispensable.

フィルタは、使い捨てタイプのものも存在するが、使い捨てタイプのフィルタの使用はコストや環境面で好ましくない。 Although some filters are disposable, the use of disposable filters is not preferable in terms of cost and environment.

ここで、下記特許文献1や特許文献2には、フィルタを使用せずに液体中の異物を分離除去する装置が示されている。 Here, Patent Document 1 and Patent Document 2 below show a device for separating and removing foreign substances in a liquid without using a filter.

特許文献1に記載されたハイドロサイクロン分離機は、円筒形部とその円筒形部の下側に連なった下すぼみテーパの円錐形部を含む分離室を持ち、その分離室の円筒形部に未処理液体(異物の混入した処理対象液体)の入口が、前記円筒形部の上端の中央部に異物分離後の液体の出口がそれぞれ設けられ、前記入口は分離室に流入した未処理液体が旋回流となって下方に向かうように構成されている。 The hydrocyclone separator described in Patent Document 1 has a separation chamber including a cylindrical portion and a conical portion having a downward dent taper connected to the lower side of the cylindrical portion, and the cylindrical portion of the separation chamber is not included. The inlet of the treatment liquid (the liquid to be treated mixed with foreign matter) is provided at the center of the upper end of the cylindrical portion, and the outlet of the liquid after separating the foreign matter is provided at the inlet, and the untreated liquid flowing into the separation chamber swirls at the inlet. It is configured to flow downward.

このハイドロサイクロン分離機は、分離室に流入した未処理液体が旋回流となって下方に向かうことで液体よりも比重の大きな異物が遠心力で分離されて分離室の下方に向かい、異物の除去された液体は上向きに反転して出口から流れ出るようになっている。 In this hydrocyclone separator, the untreated liquid that has flowed into the separation chamber becomes a swirling flow and heads downward, so that foreign matter with a higher specific density than the liquid is separated by centrifugal force and heads toward the lower part of the separation chamber to remove the foreign matter. The liquid is turned upward and flows out from the outlet.

特許文献2に記載された機械油中の金属ダスト分離除去装置は、円筒状部位とその円筒状部位の下部に連なる漏斗状部位を備えたサイクロン分離室の前記円筒状部位に設ける未処理液体の入口(吹出口)を、直角三角形が倒立し、その直角三角形の直交する2辺の一方が前記円筒状部位の内周面に、他方が前記円筒状部位の天井面にそれぞれ平行に沿う形状の口にしている。 The device for separating and removing metal dust in machine oil described in Patent Document 2 is for untreated liquid provided in the cylindrical portion of a cyclone separation chamber provided with a cylindrical portion and a funnel-shaped portion connected to the lower part of the cylindrical portion. At the entrance (outlet), a right-angled triangle is inverted, and one of the two orthogonal sides of the right-angled triangle is parallel to the inner peripheral surface of the cylindrical part and the other is parallel to the ceiling surface of the cylindrical part. I'm talking about it.

また、サイクロン分離室の下部に、分離した金属ダストを貯める金属ダスト回収部を設けており、その他の箇所は、前記特許文献1のハイドロサイクロン分離機にほぼ同様の構造になっている。 Further, a metal dust recovery unit for storing the separated metal dust is provided in the lower part of the cyclone separation chamber, and other parts have almost the same structure as the hydrocyclone separator of Patent Document 1.

特公昭61-36988号公報Special Publication No. 61-36988 特許第4753898号公報Japanese Patent No. 4753898

前記特許文献1は、未処理液体を流入させるオリフィスの含まれた入口を対角位置の2箇所に設けることを同文献の図2に示している。 The above-mentioned Patent Document 1 shows in FIG. 2 of the same document that the inlets including the orifices through which the untreated liquid flows are provided at two diagonal positions.

しかしながら、特許文献1のハイドロサイクロン分離機は、分離室の円筒形部に未処理液体を流し入れる供給管を円筒形部の外周に接続する必要があり、設置スペースを多く必要とする。分離室の円筒形部に入口を複数設けるものは特に、それぞれの入口に未処理液体を流し入れる供給管を接続する必要があり、供給管を途中で2つに分岐するか、ポンプを含む供給系を2系統設けることが不可避となって異物分離除去システムの構成がより複雑になる。 However, in the hydrocyclone separator of Patent Document 1, it is necessary to connect a supply pipe for pouring untreated liquid into the cylindrical portion of the separation chamber to the outer periphery of the cylindrical portion, which requires a lot of installation space. Especially for those with multiple inlets in the cylindrical part of the separation chamber, it is necessary to connect a supply pipe for pouring untreated liquid to each inlet, and the supply pipe can be split into two in the middle or a supply system including a pump. It is inevitable to provide two systems, and the configuration of the foreign matter separation / removal system becomes more complicated.

また、前記入口が例えば2箇所あるとしてその2箇所の入口に供給管を途中で分岐させて接続したり、ポンプを含む供給系を2箇所設けて各供給系を個別に接続したりする構造は、コスト面で不利になるし、2箇所の入口に未処理液を平均的に分配することにも気を配る必要がある。 Further, assuming that there are two inlets, for example, a structure in which a supply pipe is branched and connected to the two inlets in the middle, or two supply systems including a pump are provided and each supply system is individually connected. It is disadvantageous in terms of cost, and it is necessary to pay attention to the average distribution of the untreated liquid to the two inlets.

さらに、前記供給管を前記円筒形部の外周に接線方向を向く状態に配置して入口に接続する必要があるので、異物分離除去システムの設置スペースも増加する。 Further, since it is necessary to arrange the supply pipe on the outer periphery of the cylindrical portion so as to face the tangential direction and connect it to the inlet, the installation space of the foreign matter separation / removal system is also increased.

特許文献2の金属ダスト分離除去装置は、サイクロン分離室の円筒状部位に設ける未処理液体の入口(吹出口)の形状が簡素化され、さらに、その入口の形状を工夫したことで
、分離室内での乱流の発生が抑制されて乱流に起因した導入液体の旋回速度の低下、それによる遠心分離作用の悪化が抑えられるものになっている。
In the metal dust separation / removal device of Patent Document 2, the shape of the inlet (outlet) of the untreated liquid provided in the cylindrical portion of the cyclone separation chamber is simplified, and the shape of the inlet is devised to further improve the shape of the inlet. The generation of turbulent flow in the turbulent flow is suppressed, and the decrease in the swirling speed of the introduced liquid due to the turbulent flow and the deterioration of the centrifugation action due to the turbulent flow are suppressed.

しかしながらこの特許文献2の金属ダスト分離除去装置も、供給管を円筒状部位の外周に接線方向を向く状態に配置して入口に接続するため、円筒状部位に設ける入口が複数になると、特許文献1の装置と同様の問題が生じる。 However, the metal dust separation / removal device of Patent Document 2 also arranges the supply pipe on the outer periphery of the cylindrical portion so as to face the tangential direction and connects to the inlet. Therefore, when a plurality of inlets are provided in the cylindrical portion, Patent Document 2 The same problem as the device of 1 arises.

また、特許文献2の金属ダスト分離除去装置は、サイクロン分離室の下部に金属ダスト回収部を設けて分離した金属ダストをそこに貯めるようにしているので、金属ダスト回収部が満杯になったときに装置の運転を一旦止めて金属ダスト回収部内の金属ダストを廃棄する必要があり、メンテナンスの手間が増え、装置の連続運転も望めない。 Further, the metal dust separation / removal device of Patent Document 2 is provided with a metal dust recovery unit at the lower part of the cyclone separation chamber to store the separated metal dust there, so that when the metal dust collection unit is full. In addition, it is necessary to temporarily stop the operation of the device and dispose of the metal dust in the metal dust collection unit, which increases the maintenance work and the continuous operation of the device cannot be expected.

この発明は、未処理液体の供給管を接続する導入口が下部の1箇所に集約されて設置スペースの増加が回避され、さらに、前記導入口から流入した前記未処理液体がサイクロン分離室に効果的に流し込まれる異物分離除去装置を提供することを課題としている。 In the present invention, the introduction port connecting the supply pipe of the untreated liquid is concentrated in one place at the lower part to avoid an increase in the installation space, and the untreated liquid flowing in from the introduction port is effective for the cyclone separation chamber. It is an object of the present invention to provide a foreign matter separating / removing device that is poured into a target.

上記の課題を解決するため、この発明においては、未処理液体を通してその未処理液体に混入している異物を分離除去する異物分離除去装置であって、
上端にフランジを備えた円筒状部と、その円筒状部の下端に連なる下すぼみの漏斗状部と、前記円筒状部にその円筒状部を径方向に貫通して形成された入口と、前記漏斗状部の下端に設けられた管継手接続口とを有し、内部がサイクロン分離室として構成され、前記入口は、前記未処理液体を外部から円筒状部の内側に接線方向に流入させて下方に向かう旋回流を生じさせるように構成され、かつ、前記管継手接続口が前記漏斗状部の軸心に対して所定角度屈曲しているサイクロン筒体と、
前記未処理液体の導入口を下端の中心部に、異物流出口を下部の前記導入口を避けた位置に、異物が除去された液体の出口を天井面の上部に、上端が前記出口に開口した前記天井面と同心の垂下した円筒状の流出管を前記天井面の中心部にそれぞれ備えた外筒と、
管継手のニップルとを有し、
前記サイクロン筒体が前記上端のフランジと前記外筒の天井面との間を液密にシールして前記外筒の内部に組み込まれ、前記外筒の内周面と前記サイクロン筒体との間に前記導入口から流入した未処理液体を前記サイクロン筒体の前記入口に誘導する環状通路が形成され、
前記サイクロン筒体の前記管継手接続口と前記外筒の前記異物流出口が前記ニップルを介して接続された異物分離除去装置を提供する。
In order to solve the above-mentioned problems, in the present invention, it is a foreign matter separation / removal device that separates and removes foreign matter mixed in the untreated liquid through the untreated liquid.
A cylindrical portion having a flange at the upper end, a funnel-shaped portion having a lower recess connected to the lower end of the cylindrical portion, an inlet formed in the cylindrical portion through the cylindrical portion in the radial direction, and the above. It has a pipe joint connection port provided at the lower end of the funnel-shaped portion, and the inside is configured as a cyclone separation chamber, and the inlet allows the untreated liquid to flow tangentially from the outside to the inside of the cylindrical portion. A cyclone cylinder that is configured to generate a downward swirling flow and whose pipe joint connection port is bent at a predetermined angle with respect to the axis of the funnel-shaped portion.
The untreated liquid inlet is located in the center of the lower end, the foreign matter outlet is located at the lower part avoiding the inlet, the liquid outlet from which the foreign matter has been removed is opened at the upper part of the ceiling surface, and the upper end is opened at the outlet. An outer cylinder provided with a hanging cylindrical outflow pipe concentric with the ceiling surface at the center of the ceiling surface, respectively.
Has a pipe fitting nipple and
The cyclone cylinder is incorporated inside the outer cylinder by liquidally sealing between the upper end flange and the ceiling surface of the outer cylinder, and between the inner peripheral surface of the outer cylinder and the cyclone cylinder. An annular passage is formed in which the untreated liquid flowing from the introduction port is guided to the inlet of the cyclone cylinder.
Provided is a foreign matter separation / removal device in which the pipe joint connection port of the cyclone cylinder and the foreign matter outlet of the outer cylinder are connected via the nipple.

サイクロン筒体の入口は、サイクロン筒体の内部において下方に向かう旋回流を生じさせ得るものであればよく、その入口の端面視形状は特に問わない。 The entrance of the cyclone cylinder may be any one that can generate a downward swirling flow inside the cyclone cylinder, and the shape of the end face view of the entrance is not particularly limited.

その入口は、少なくとも2個をサイクロン分離室の周囲に周方向に定ピッチで配置すると外筒設置の効果が最大限に引き出されて好ましい。その入口の数は、1個、3個、或いは4個にすることも可能である。 It is preferable to arrange at least two entrances around the cyclone separation chamber at a constant pitch in the circumferential direction to maximize the effect of installing the outer cylinder. The number of entrances can be one, three, or four.

前記ニップルは、一端側、又は他端側をサイクロン筒体や外筒に固定する。 One end side or the other end side of the nipple is fixed to the cyclone cylinder or the outer cylinder.

前記外筒は、前記導入口と前記異物流出口を有する本体部と、その本体部の上部に着脱自在にねじ結合させるキャップとで構成し、そのキャップに前記出口、天井面及び流出管を設けた構造にすると好ましい。 The outer cylinder is composed of a main body having the introduction port and the foreign matter outlet, and a cap that is detachably screw-coupled to the upper part of the main body, and the cap is provided with the outlet, the ceiling surface, and the outflow pipe. It is preferable to have a structure.

この発明の異物分離除去装置は、サイクロン筒体を外筒の内部に挿入し、そのサイクロン筒体と外筒の内周面との間に、外筒の下端中心に設けた導入口から流入した未処理液体をサイクロン分離室の入口に誘導する環状通路を形成した。 In the foreign matter separation / removal device of the present invention, the cyclone cylinder is inserted into the inside of the outer cylinder, and the cyclone cylinder and the inner peripheral surface of the outer cylinder flow in from the introduction port provided at the center of the lower end of the outer cylinder. An annular passage was formed to guide the untreated liquid to the entrance of the cyclone separation chamber.

これにより、装置の設置スペースの増加が回避され、さらに、未処理液体の供給管を接続する導入口を装置の下部の1箇所に集約してサイクロン分離室に複数の入口を設けることも可能になった。 This avoids an increase in the installation space of the device, and it is also possible to consolidate the introduction ports for connecting the untreated liquid supply pipes to one place at the bottom of the device and provide multiple inlets in the cyclone separation chamber. became.

また、そのため、異物分離除去システムの構成が複雑になることがなく、サイクロン分離室に複数の入口を設ける場合のコストアップや未処理液体の供給管をサイクロン筒体の外周に複数接続することに起因した異物分離除去システムの設置スペースの増加の問題も解消された。 Therefore, the configuration of the foreign matter separation / removal system is not complicated, and the cost is increased when a plurality of inlets are provided in the cyclone separation chamber, and a plurality of untreated liquid supply pipes are connected to the outer periphery of the cyclone cylinder. The problem of increased installation space for the foreign matter separation and removal system caused by this has also been resolved.

さらに、サイクロン分離室の入口が複数あるものは、導入口から流入した未処理液体が前記環状通路を通ってサイクロン分離室の各入口に平均的に流れ、これにより前記入口からサイクロン分離室に流入する未処理液体の旋回が速度の低下などを招かずに行われ、高速旋回による異物の遠心分離が安定して効率よくなされるようになった。 Further, in the case where there are a plurality of inlets of the cyclone separation chamber, the untreated liquid flowing from the introduction port flows on average to each inlet of the cyclone separation chamber through the annular passage, whereby the untreated liquid flows into the cyclone separation chamber from the inlet. The swirling of the untreated liquid is performed without causing a decrease in speed, and the centrifugal separation of foreign matter by high-speed swirling has become stable and efficient.

なお、この発明の異物分離除去装置は、前記サイクロン筒体の下端の管継手接続口をサイクロン筒体の漏斗状部の軸心に対して所定角度屈曲させたことによって、前記異物流出口と、外筒の下端中心の導入口を共に装置の下部に設けることが可能になっている。 The foreign matter separation / removal device of the present invention has the foreign matter outlet and the foreign matter outlet by bending the pipe joint connection port at the lower end of the cyclone cylinder at a predetermined angle with respect to the axis of the funnel-shaped portion of the cyclone cylinder. It is possible to provide an introduction port at the center of the lower end of the outer cylinder at the bottom of the device.

また、前記サイクロン筒体と前記外筒を独立させ、サイクロン筒体の下端の管継手接続口と外筒の下部の異物流出口を前記ニップルで繋いだことで、製造、組み立ての困難も克服された。 In addition, the cyclone cylinder and the outer cylinder are made independent, and the pipe joint connection port at the lower end of the cyclone cylinder and the foreign matter outlet at the lower part of the outer cylinder are connected by the nipple, thereby overcoming the difficulty of manufacturing and assembling. rice field.

このほか、前記外筒を、前記本体部と、その本体部着脱自在に結合させるキャップとで構成した異物分離除去装置は、万一、過大な異物が流入して内部の通路や入口などに詰まったときなどに、キャップを外して装置の機能を修復させることができ、メンテナンス性に優れる。 In addition, the foreign matter separation / removal device consisting of the main body and the cap that detachably connects the outer cylinder to the main body is clogged with an internal passage or entrance by any chance that an excessive foreign matter flows in. The cap can be removed to restore the function of the device, which is excellent in maintainability.

この発明の異物分離除去装置の一例を示す断面図である。It is sectional drawing which shows an example of the foreign matter separation removal apparatus of this invention. 図1の異物分離除去装置に採用したサイクロン筒体の正面図である。It is a front view of the cyclone cylinder adopted for the foreign matter separation removal apparatus of FIG. 図2のサイクロン筒体の平面図である。It is a top view of the cyclone cylinder of FIG. 図2のX-X線に沿った断面図である。FIG. 2 is a cross-sectional view taken along the line XX of FIG. 図1の異物分離除去装置の外観を示す斜視図である。It is a perspective view which shows the appearance of the foreign matter separation removal apparatus of FIG. この発明の異物分離除去装置を採用した異物分離除去システムの一例の概要を示す部分破断側面図である。It is a partial fracture side view which shows the outline of an example of the foreign matter separation removal system which adopted the foreign matter separation removal apparatus of this invention. この発明の異物分離除去装置を採用した異物分離除去システムの他の例の概要を示す部分破断側面図である。It is a partial fracture side view which shows the outline of another example of the foreign matter separation removal system which adopted the foreign matter separation removal apparatus of this invention. この発明の異物分離除去装置を採用した異物分離除去システムのさらに他の例の概要を示す部分破断側面図である。It is a partial fracture side view which shows the outline of still another example of the foreign matter separation removal system which adopted the foreign matter separation removal apparatus of this invention. この発明の異物分離除去装置を採用した異物分離除去システムのさらに他の例の概要を示す部分破断側面図である。It is a partial fracture side view which shows the outline of still another example of the foreign matter separation removal system which adopted the foreign matter separation removal apparatus of this invention.

以下、この発明の異物分離除去装置の実施の形態を添付図面の図1~図5に基づいて、また、その異物分離除去装置を用いた分離除去システムの実施の形態を添付図面の図6~図9に基づいて説明する。 Hereinafter, the embodiment of the foreign matter separation / removal device of the present invention is based on FIGS. 1 to 5 of the attached drawings, and the embodiment of the separation / removal system using the foreign matter separation / removal device is shown in FIGS. 6 to 6 of the attached drawings. This will be described with reference to FIG.

図1に示すように、例示した異物分離除去装置1は、サイクロン筒体2と、外筒3と、管継手のニップル4と、パッキン5及び計3個のOリング6、7、8を組み合わせて構成されている。サイクロン筒体2と、外筒3と、ニップル4は、金属製である。 As shown in FIG. 1, the illustrated foreign matter separation / removal device 1 combines a cyclone cylinder 2, an outer cylinder 3, a pipe joint nipple 4, a packing 5, and a total of three O-rings 6, 7, and 8. It is composed of. The cyclone cylinder 2, the outer cylinder 3, and the nipple 4 are made of metal.

サイクロン筒体2は、円筒状部21と、その円筒状部21の下端に連なる下すぼみの漏斗状部22と、円筒状部21にその円筒状部21を径方向に貫通して形成された入口23と、漏斗状部22の下端に設けられた管継手接続口24を有しており、内部がサイクロン分離室25として構成されたものになっている。 The cyclone cylinder 2 is formed by radially penetrating the cylindrical portion 21, the funnel-shaped portion 22 having a lower recess connected to the lower end of the cylindrical portion 21, and the cylindrical portion 21. It has an inlet 23 and a pipe joint connection port 24 provided at the lower end of the funnel-shaped portion 22, and the inside is configured as a cyclone separation chamber 25.

円筒状部21は上端にフランジ21aを備えている。また、フランジ21aの下部に、径方向に張り出した2個が一対の係止突起21bを備えている。係止突起21bは、周方向に180°変位した中心対称位置にある。 The cylindrical portion 21 is provided with a flange 21a at the upper end. Further, at the lower part of the flange 21a, two radially protruding locking projections 21b are provided. The locking projection 21b is located at a centrally symmetrical position displaced by 180 ° in the circumferential direction.

前記入口23は、未処理液体を外部から円筒状部21の内側に接線方向に流入させて下方に向かう旋回流を生じさせるように構成されている。 The inlet 23 is configured to allow the untreated liquid to flow tangentially into the inside of the cylindrical portion 21 from the outside to generate a downward swirling flow.

その入口23を後述する外筒3の流出管35の下端よりも上側に配置したことによって、入口23から円筒状部21の内部に流入した液体は円筒状部21の内周面に沿って旋回しながら否応なしに下方に向かう。 By arranging the inlet 23 above the lower end of the outflow pipe 35 of the outer cylinder 3, which will be described later, the liquid flowing into the inside of the cylindrical portion 21 from the inlet 23 swirls along the inner peripheral surface of the cylindrical portion 21. However, it inevitably heads downward.

図示の入口23は、縦長の口にしており、また、図2~図4に示すように、対向する2側面23a、23bのうち、一方の側面23aが平面視(図3、図4)において円筒状部21の内周面21cに対する接線上にあって内周面21cに平行に沿い、他方の側面23bは、円筒状部21の下側に向かうに従って側面23a側に近づく向きに傾斜した面にしている。 The illustrated entrance 23 has a vertically long mouth, and as shown in FIGS. 2 to 4, one of the two side surfaces 23a and 23b facing each other has one side surface 23a in a plan view (FIGS. 3 and 4). A surface that is tangent to the inner peripheral surface 21c of the cylindrical portion 21 and is parallel to the inner peripheral surface 21c, and the other side surface 23b is inclined toward the side surface 23a side toward the lower side of the cylindrical portion 21. I have to.

このように構成した入口23は、サイクロン分離室25に導入される未処理液体が円筒状部21の内周面に案内されるため、その未処理液体の流れを、下方に向かう旋回流となすことができる。 At the inlet 23 configured in this way, the untreated liquid introduced into the cyclone separation chamber 25 is guided to the inner peripheral surface of the cylindrical portion 21, so that the untreated liquid flows downward as a swirling flow. be able to.

その入口23の上端と下端は、対向する側面23a、23bを繋ぐ図示の半円の面がコーナの応力集中などを回避できて好ましいが、円筒状部21の軸心に対して直角な平面であっても構わない。 The upper end and the lower end of the inlet 23 are preferably a semicircular surface connecting the opposite side surfaces 23a and 23b so as to avoid stress concentration at the corners, but in a plane perpendicular to the axis of the cylindrical portion 21. It doesn't matter if there is one.

その入口23は、未処理液体を円筒状部21の内側に接線方向に流入させ得るものであればよく、形状は特に問わない。楕円、円、側面23a、23bが平行な長孔などでもよいし、前記特許文献2がサイクロン分離室の円筒状部位に設けている直角三角形を倒立させた形状(三角形の直角な2辺の一方が円筒状部21の内周面に平行に沿い、他方が円筒状部21の軸心と直角をなす形状)の口であってもよい。 The inlet 23 may have any shape as long as it can allow the untreated liquid to flow into the inside of the cylindrical portion 21 in the tangential direction. An ellipse, a circle, an elongated hole in which the side surfaces 23a and 23b are parallel to each other, or the like may be used, or the shape of an inverted right triangle provided in the cylindrical portion of the cyclone separation chamber (one of the two right sides of the triangle). May be the mouth of the cylindrical portion 21 along the inner peripheral surface of the cylindrical portion 21 and the other is perpendicular to the axis of the cylindrical portion 21).

その入口23は、例示の装置では、2個を円筒状部21の外周の中心対称位置に配置しているが、周方向に定ピッチで3~4個配置することも可能であり、その入口23が1個のものも考えられる。 In the illustrated device, two of the inlets 23 are arranged at centrally symmetrical positions on the outer circumference of the cylindrical portion 21, but it is also possible to arrange three or four at a constant pitch in the circumferential direction, and the inlet thereof. One with one 23 is also conceivable.

漏斗状部22の下端の管継手接続口24は、漏斗状部22の軸心Cに対して所定の屈曲角αで屈曲している。屈曲角αは、図示のサイクロン筒体2については135°にしたが、後述する外筒3の導入口31の大きさやサイクロン筒体2の長さ次第では、その屈曲角αはより大きくすることが可能である。 The pipe joint connection port 24 at the lower end of the funnel-shaped portion 22 is bent at a predetermined bending angle α with respect to the axial center C of the funnel-shaped portion 22. The bending angle α was set to 135 ° for the cyclone cylinder 2 shown in the figure, but the bending angle α may be made larger depending on the size of the introduction port 31 of the outer cylinder 3 and the length of the cyclone cylinder 2 described later. Is possible.

サイクロン分離室25内で分離された異物の排出性を考えると、その屈曲角αは、大きいほど好ましい。 Considering the dischargeability of the foreign matter separated in the cyclone separation chamber 25, the larger the bending angle α is, the more preferable it is.

外筒3は、図1に示した未処理液体の導入口31を下端の中心部に、異物流出口32を下部の導入口31を避けた位置に、異物が除去された液体の出口33を天井面34の上部にそれぞれ備えている。導入口31が下端にあることで、未処理液体の供給管を装置の外周に接続せずに済むものになっている。 In the outer cylinder 3, the untreated liquid introduction port 31 shown in FIG. 1 is located at the center of the lower end, and the foreign matter outlet 32 is located at a position avoiding the lower introduction port 31. It is provided on the upper part of the ceiling surface 34. Since the introduction port 31 is located at the lower end, it is not necessary to connect the untreated liquid supply pipe to the outer periphery of the device.

また、上端が出口33に開口した流出管35を天井面34の中心部に備えている。その流出管35は、天井面34の中心と同心の管であり、天井面34から垂下して円筒状部21の長手中心部よりも下側まで延びている。 Further, an outflow pipe 35 whose upper end is open to the outlet 33 is provided in the center of the ceiling surface 34. The outflow pipe 35 is a pipe concentric with the center of the ceiling surface 34, and hangs down from the ceiling surface 34 and extends below the longitudinal center portion of the cylindrical portion 21.

外筒3は、導入口31と異物流出口32を有する本体部3aと、その本体部3aの上部にねじ結合させるキャップ3bとで構成されており、前記出口33、天井面34及び流出管35は、キャップ3bに設けられている。既に述べた通り、本体部3aと着脱自在のキャップ3bとで構成した図示の外筒3を備える例示の異物分離除去装置1は、メンテナンス性に優れる。 The outer cylinder 3 is composed of a main body portion 3a having an introduction port 31 and a foreign matter outlet 32, and a cap 3b screwed to the upper portion of the main body portion 3a, and includes the outlet 33, the ceiling surface 34, and the outflow pipe 35. Is provided on the cap 3b. As described above, the illustrated foreign matter separation / removal device 1 including the illustrated outer cylinder 3 composed of the main body portion 3a and the detachable cap 3b is excellent in maintainability.

本体部3aの上端には、2箇所の係止溝36が周方向に180°変位して設けられており、その係止溝36にサイクロン筒体2の上端の係止突起21bが挿入されてサイクロン筒体2が位置決めされ、同時に本体部3aによる回り止がなされて回転不可に保持される。 Two locking grooves 36 are provided at the upper end of the main body portion 3a with a displacement of 180 ° in the circumferential direction, and the locking projection 21b at the upper end of the cyclone cylinder 2 is inserted into the locking grooves 36. The cyclone cylinder 2 is positioned, and at the same time, it is stopped by the main body 3a and held non-rotatably.

係止突起21bを係止溝36に落とし込んでサイクロン筒体2を外筒3の本体部3aの内部に挿入したら、本体部3aにキャップ3bを取り付けてサイクロン筒体2を外筒3で保持する。 After the locking projection 21b is dropped into the locking groove 36 and the cyclone cylinder 2 is inserted into the main body 3a of the outer cylinder 3, the cap 3b is attached to the main body 3a to hold the cyclone cylinder 2 by the outer cylinder 3. ..

このとき、サイクロン筒体2の上端のフランジ21aと外筒3の天井面34との間にパッキン5を介在してサイクロン筒体2と外筒3との間を液密にシールする。また、外筒3の本体部3aとキャップ3bのねじ結合部の界面もOリング6で液密にシールする。 At this time, a packing 5 is interposed between the flange 21a at the upper end of the cyclone cylinder 2 and the ceiling surface 34 of the outer cylinder 3 to tightly seal the space between the cyclone cylinder 2 and the outer cylinder 3. Further, the interface between the main body portion 3a of the outer cylinder 3 and the screw joint portion of the cap 3b is also liquid-tightly sealed with the O-ring 6.

この後、外筒3の異物流出口32にニップル4を挿入し、そのニップル4の一端を、サイクロン筒体2の管継手接続口24にねじ込む。ニップル4は、一端を管継手接続口24に挿入し、他端を異物流出口32にねじ込んで固定しても構わない。要は、サイクロン筒体2と外筒3のどちらかに固定すればよい。 After that, the nipple 4 is inserted into the foreign matter outlet 32 of the outer cylinder 3, and one end of the nipple 4 is screwed into the pipe joint connection port 24 of the cyclone cylinder 2. One end of the nipple 4 may be inserted into the pipe joint connection port 24, and the other end may be screwed into the foreign matter outlet 32 to fix the nipple 4. In short, it may be fixed to either the cyclone cylinder 2 or the outer cylinder 3.

どちらに固定するにしても、管継手接続口24とニップル4との間及び異物流出口32とニップル4との間は、Oリング7、8で共に液密にシールし、そのニップル4経由で管継手接続口24を異物流出口32に繋ぐ。 Regardless of which one is fixed, the space between the pipe joint connection port 24 and the nipple 4 and the foreign matter outlet 32 and the nipple 4 are both liquid-tightly sealed with O-rings 7 and 8, and via the nipple 4. The pipe joint connection port 24 is connected to the foreign matter outlet 32.

以上のようにして組み立てられた異物分離除去装置1は、外筒3の内周面とサイクロン筒体2との間に環状通路26が形成される。そして、導入口31から外筒3の内部に入り込んだ未処理液体が環状通路26を通ってサイクロン筒体2の入口23に誘導され、入口23からサイクロン分離室25に流入する。 In the foreign matter separation / removal device 1 assembled as described above, the annular passage 26 is formed between the inner peripheral surface of the outer cylinder 3 and the cyclone cylinder 2. Then, the untreated liquid that has entered the inside of the outer cylinder 3 from the introduction port 31 is guided to the inlet 23 of the cyclone cylinder 2 through the annular passage 26, and flows into the cyclone separation chamber 25 from the inlet 23.

サイクロン分離室25に流入した未処理液体は、円筒状部21の内面に沿って旋回しながら下方に移動し、漏斗状部22の内径が下側ほど小さくなることから、下に向かうに従って旋回流の流速が増し、遠心分離作用で未処理液体に含まれた比重が液体よりも大きい金属ダストなどの異物がサイクロン分離室25の内面に沿って少量のドレン液と共に異物流出口32に向けて流れ下る。 The untreated liquid flowing into the cyclone separation chamber 25 moves downward while swirling along the inner surface of the cylindrical portion 21, and the inner diameter of the funnel-shaped portion 22 becomes smaller toward the lower side. The flow velocity of the liquid increases, and foreign matter such as metal dust contained in the untreated liquid having a specific gravity larger than that of the liquid flows toward the foreign matter outlet 32 along the inner surface of the cyclone separation chamber 25 together with a small amount of drain liquid. Go down.

また、異物の除去された液体は、上向きに反転し、流出管35を通って出口33から供給先に向けて送り出される。 Further, the liquid from which the foreign matter has been removed is inverted upward and is sent out from the outlet 33 toward the supply destination through the outflow pipe 35.

この発明の異物分離除去装置1を用いた異物分離除去システムの概要を、図6~図9に示す。 6 to 9 show an outline of a foreign matter separation / removal system using the foreign matter separation / removal device 1 of the present invention.

図6の異物分離除去システム40は、未処理液体Aを受け入れるタンク41と、そのタンク41内の未処理液体Aをストレーナ42に通して汲み上げて送り出すモータ駆動のポンプ43と、そのポンプ43の出力口を外筒3の導入口31に配管44で繋いだ異物分離除去装置1と、その装置の外筒3の出口33から送り出された異物除去後の液体の逆流を阻止する逆止弁45と、その逆止弁45を通過した液体を供給先に届ける配管(図示せず)を組み合わせたものになっている。 The foreign matter separation / removal system 40 of FIG. 6 has a tank 41 that receives the untreated liquid A, a motor-driven pump 43 that pumps the untreated liquid A in the tank 41 through a strainer 42 and sends it out, and the output of the pump 43. A foreign matter separation / removal device 1 having a port connected to the introduction port 31 of the outer cylinder 3 by a pipe 44, and a check valve 45 for blocking the backflow of the liquid after removing the foreign matter sent from the outlet 33 of the outer cylinder 3 of the device. , A pipe (not shown) that delivers the liquid that has passed through the check valve 45 to the supply destination is combined.

図6の異物分離除去システムは、異物分離除去装置1によって処理対象の液体から分離された金属ダストなどの異物が常時少量のドレン液を伴ってタンク41に戻される。 In the foreign matter separation / removal system of FIG. 6, foreign matter such as metal dust separated from the liquid to be treated by the foreign matter separation / removal device 1 is always returned to the tank 41 with a small amount of drain liquid.

これに対し、図7の異物分離除去システム40は、装置1の異物流出口32にドレンポット46を接続しているため、ドレンポット46が流入したドレン液によって満杯になったら、以後は異物のみがドレンポット46に取り込まれる。 On the other hand, in the foreign matter separation / removal system 40 of FIG. 7, since the drain pot 46 is connected to the foreign matter outlet 32 of the device 1, when the drain pot 46 is filled with the drain liquid that has flowed in, only the foreign matter is thereafter. Is taken into the drain pot 46.

異物分離除去装置1に通した異物除去後の液体は、目的の供給先に送り込まれる。その液体の供給先は、供給する液体が例えばクーラント液の場合、マシニングセンターなどの切削を主体とする加工機である。また、供給する液体が研磨液である場合には、研磨盤や研削盤であり、供給する液体が各種治具などの洗浄に利用する洗浄液である場合には、洗浄機である。 The liquid after removing the foreign matter passed through the foreign matter separating / removing device 1 is sent to the target supply destination. When the liquid to be supplied is, for example, a coolant, the liquid is supplied to a processing machine such as a machining center mainly for cutting. When the liquid to be supplied is a polishing liquid, it is a polishing machine or a grinding machine, and when the liquid to be supplied is a cleaning liquid used for cleaning various jigs, it is a cleaning machine.

図6~図9の異物分離除去システム40は、クーラント液や研磨液などの機械加工油に混入した切屑や研磨粉などの異物、或いは治具などの洗浄によって洗浄液中に取り込まれた異物のうち、サイズ(粒径)の大きなものは、事前に回収するのがよい。 The foreign matter separation / removal system 40 of FIGS. 6 to 9 includes foreign matter such as chips and polishing powder mixed in machining oil such as coolant and polishing liquid, or foreign matter taken into the cleaning liquid by cleaning jigs and the like. , Large size (particle size) should be collected in advance.

この発明の異物分離除去装置とは別の異物分離除去装置(図示せず)を使用済み液体の戻り経路(これも図示せず)に設け、その異物分離除去装置が備えた金属フィルタなどで大きな異物を漉し取って小さな異物が残存している液体をタンク41に戻す。 A foreign matter separation / removal device (not shown) different from the foreign matter separation / removal device of the present invention is provided in the return path of the used liquid (also not shown), and the metal filter provided in the foreign matter separation / removal device is large. The foreign matter is strained and the liquid in which the small foreign matter remains is returned to the tank 41.

そして、戻された液体をポンプ43で汲み上げてこの発明の異物分離除去装置1に送り、そこで液体中の残存異物を分離回収して異物分離後の液体を目的の供給先に向けて送り出す。この方法によれば、機械油や洗浄液を循環させて連続的に使用することができる。 Then, the returned liquid is pumped up by the pump 43 and sent to the foreign matter separation / removal device 1 of the present invention, where the residual foreign matter in the liquid is separated and recovered, and the liquid after the foreign matter separation is sent to the target supply destination. According to this method, machine oil and cleaning liquid can be circulated and used continuously.

また、この発明の異物分離除去装置1では、サイクロン分離室25において分離除去された金属ダストなどの異物が前記外筒3の異物流出口32から排出される。その異物は、タンク41に取り込む場合には少量のドレン液を伴ってタンク41に流れる。 Further, in the foreign matter separation / removal device 1 of the present invention, foreign matter such as metal dust separated and removed in the cyclone separation chamber 25 is discharged from the foreign matter outlet 32 of the outer cylinder 3. When the foreign matter is taken into the tank 41, it flows into the tank 41 with a small amount of drain liquid.

そのドレン液を伴った異物を、タンク41に戻す図6の異物分離除去システム40は、タンク41内の液体をポンプ43が汲み上げる液体汲み上げ部41aと、ドレン液を伴った異物を流し入れる異物回収部41bとの間に仕切り壁41cを設けるとよい。 The foreign matter separation / removal system 40 of FIG. 6 for returning the foreign matter with the drain liquid to the tank 41 has a liquid pumping unit 41a in which the pump 43 pumps the liquid in the tank 41 and a foreign matter collecting unit in which the foreign matter with the drain liquid is poured. It is advisable to provide a partition wall 41c between the 41b and the partition wall 41c.

仕切り壁41cは、液体の通過が阻止される板材と、液体の通過を許容するメッシュの
濾材のどちらであってもよい。板材の仕切り壁41cがあるものは、異物回収部41bに流入したドレン液中の異物は異物回収部41b内において自重で沈下し、異物回収部41b内の上澄み液が仕切り壁41cを乗り越えて液体汲み上げ部41aに流れる。また、濾材の仕切り壁41cがあるものは、濾材の網目よりも大きな異物が仕切り壁41cに漉し取られて液体汲み上げ部41aに流れない。
The partition wall 41c may be either a plate material that blocks the passage of liquid or a mesh filter material that allows the passage of liquid. In the case where the plate material has a partition wall 41c, the foreign matter in the drain liquid flowing into the foreign matter collecting section 41b sinks under its own weight in the foreign matter collecting section 41b, and the supernatant liquid in the foreign matter collecting section 41b gets over the partition wall 41c and becomes a liquid. It flows to the pumping unit 41a. Further, in the case where the filter medium has the partition wall 41c, foreign matter larger than the mesh of the filter medium is squeezed by the partition wall 41c and does not flow to the liquid pumping portion 41a.

このため、異物分離除去装置1で分離除去した異物をドレン液と一緒にタンク41に戻しても、分離除去した異物がポンプ43の吸入側のストレーナ42を目詰まりさせることがない。異物回収部41b内に沈下した異物は、すくい取る、図8のように、スクレーパ48などで掻き出す、図9のように、チップコンベヤ49で排出するなどの方法で除去するようにしておく。図8の異物分離除去システム40は、板材仕の切り壁41cを用いている。 Therefore, even if the foreign matter separated and removed by the foreign matter separating and removing device 1 is returned to the tank 41 together with the drain liquid, the separated and removed foreign matter does not clog the strainer 42 on the suction side of the pump 43. The foreign matter that has settled in the foreign matter collecting unit 41b is removed by a method such as scooping, scraping with a scraper 48 or the like as shown in FIG. 8, and discharging with a chip conveyor 49 as shown in FIG. The foreign matter separation / removal system 40 of FIG. 8 uses a cut wall 41c of a plate material partition.

また、図9の異物分離除去システム40は、チップコンベヤ49がメッシュのドラムフィルタ49aを備えており、そのドラムフィルタ49aに漉されてドラムフィルタ49a
の内部に流入した異物除去後の液体はドラムの片端又は両端に設けられた排出口(図示せず)から外部に流出し、液体汲み上げ部41aなどに戻される。
Further, in the foreign matter separation / removal system 40 of FIG. 9, the chip conveyor 49 is provided with a mesh drum filter 49a, and the drum filter 49a is filtered by the drum filter 49a.
The liquid after removing the foreign matter that has flowed into the inside of the drum flows out from the discharge ports (not shown) provided at one end or both ends of the drum, and is returned to the liquid pumping portion 41a or the like.

なお、この発明の異物分離除去装置の試作品を用いた性能評価試験では、クーラント液中に混入している平均粒径が20μm以上の異物(金属ダスト)を、フィルタを使用せずに分離除去することができた。 In the performance evaluation test using the prototype of the foreign matter separation / removal device of the present invention, foreign matter (metal dust) having an average particle size of 20 μm or more mixed in the coolant is separated and removed without using a filter. We were able to.

1 異物分離除去装置
2 サイクロン筒体
3 外筒
3a 本体部
3b キャップ
4 ニップル
5 パッキン
6、7、8 Oリング
21 円筒状部
21a フランジ
21b 係止突起
21c 内周面
22 漏斗状部
23 入口
23a,23b 側面
24 管継手接続口
25 サイクロン分離室
26 環状通路
31 導入口
32 異物流出口
33 出口
34 天井面
35 流出管
36 係止溝
40 異物分離除去システム
41 タンク
41a 液体汲み上げ部
41b 異物回収部
41c 仕切り壁
42 ストレーナ
43 ポンプ
44 配管
45 逆止弁
46 ドレンポット
48 スクレーパ
49 チップコンベヤ
49a ドラムフィルタ
α 管継手接続口の屈曲角
A 未処理液体
C 漏斗状部の軸心
1 Foreign matter separation and removal device 2 Cyclone cylinder 3 Outer cylinder 3a Main body 3b Cap 4 Nipple 5 Packing 6, 7, 8 O-ring 21 Cylindrical part 21a Flange 21b Locking protrusion 21c Inner peripheral surface 22 Funnel-shaped part 23 Inlet 23a, 23b Side 24 Pipe joint connection port 25 Cyclone separation chamber 26 Circular passage 31 Inlet port 32 Foreign matter outlet 33 Outlet 34 Ceiling surface 35 Outflow pipe 36 Locking groove 40 Foreign matter separation / removal system 41 Tank 41a Liquid pumping section 41b Foreign matter collection section 41c Partition Wall 42 Strainer 43 Pump 44 Piping 45 Check valve 46 Drain pot 48 Scraper 49 Chip conveyor 49a Drum filter α Bending angle of pipe joint connection port A Untreated liquid C Axial center of funnel-shaped part

Claims (3)

未処理液体を通してその未処理液体に混入している異物を分離除去する異物分離除去装置であって、
上端にフランジ(21a)を備えた円筒状部(21)と、その円筒状部(21)の下端に連なる下すぼみの漏斗状部(22)と、前記円筒状部(21)にその円筒状部(21)を径方向に貫通して形成された入口(23)と、前記漏斗状部(22)の下端に設けられた管継手接続口(24)とを有し、内部がサイクロン分離室(25)として構成され、前記入口(23)は、前記未処理液体を外部から前記円筒状部(21)の内側に接線方向に流入させて下方に向かう旋回流を生じさせるように構成され、かつ、前記管継手接続口(24)が前記漏斗状部(22)の軸心に対して所定角度屈曲しているサイクロン筒体(2)と、
前記未処理液体の導入口(31)を下端の中心部に、異物流出口(32)を下部の前記導入口(31)を避けた位置に、異物が除去された液体の出口(33)を天井面(34)の上部に、上端が前記出口(33)に開口した前記天井面(34)と同心の垂下した円筒状の流出管(35)を前記天井面(34)の中心部にそれぞれ備えた外筒(3)と、
管継手のニップル(4)とを有し、
前記サイクロン筒体(2)が前記上端のフランジ(21a)と前記外筒(3)の天井面(34)との間を液密にシールして前記外筒(3)の内部に組み込まれ、前記外筒(3)の内周面と前記サイクロン筒体(2)との間に前記導入口(31)から流入した未処理液体をサイクロン筒体(2)の前記入口(23)に誘導する環状通路(26)が形成され、
前記サイクロン筒体(2)の前記管継手接続口(24)と前記外筒(3)の前記異物流出口(32)が前記ニップル(4)を介して接続された異物分離除去装置において、
前記外筒(3)を、前記導入口(31)と前記異物流出口(32)を有する本体部(3a)と、その本体部(3a)の上部に着脱自在にねじ結合させるキャップ(3b)とで構成し、前記キャップ(3b)に前記出口(33)、天井面(34)を設けるとともに前記流出管(35)を一体形成したことを特徴とする異物分離除去装置。
A foreign matter separation / removal device that separates and removes foreign matter mixed in the untreated liquid through the untreated liquid.
A cylindrical portion (21) having a flange (21a) at the upper end, a funnel-shaped portion (22) having a lower recess connected to the lower end of the cylindrical portion (21), and a cylindrical portion (21) having a cylindrical shape. It has an inlet (23) formed by penetrating the portion (21) in the radial direction and a pipe joint connection port (24) provided at the lower end of the funnel-shaped portion (22), and the inside is a cyclone separation chamber. The inlet (23) is configured as (25) so that the untreated liquid flows tangentially into the inside of the cylindrical portion (21) from the outside to generate a downward swirling flow. In addition, the cyclone cylinder (2) in which the pipe joint connection port (24) is bent at a predetermined angle with respect to the axis of the funnel-shaped portion (22).
The untreated liquid introduction port (31) is located at the center of the lower end, and the foreign matter outlet (32) is located at a position avoiding the lower introduction port (31), and the foreign matter-removed liquid outlet (33) is provided. At the upper part of the ceiling surface (34), a hanging cylindrical outflow pipe (35) having an upper end opened at the outlet (33) and concentric with the ceiling surface (34) is placed in the center of the ceiling surface (34). The outer cylinder (3) provided and
It has a pipe fitting nipple (4) and
The cyclone cylinder (2) is incorporated inside the outer cylinder (3) by liquidally sealing between the upper end flange (21a) and the ceiling surface (34) of the outer cylinder (3). The untreated liquid that has flowed in from the introduction port (31) between the inner peripheral surface of the outer cylinder (3) and the cyclone cylinder (2) is guided to the inlet (23) of the cyclone cylinder (2). An annular passage (26) is formed and
In the foreign matter separation / removal device in which the pipe joint connection port (24) of the cyclone cylinder (2) and the foreign matter outlet (32) of the outer cylinder (3) are connected via the nipple (4).
A cap (3b) for detachably screw-bonding the outer cylinder (3) to the main body portion (3a) having the introduction port (31) and the foreign matter outlet (32) and the upper part of the main body portion (3a). A foreign matter separation / removal device comprising:, the cap (3b) is provided with the outlet (33) and the ceiling surface (34), and the outflow pipe (35) is integrally formed .
前記サイクロン筒体(2)の前記入口(23)が、複数設置され、その入口(23)が前記サイクロン分離室(25)の周囲に周方向に定ピッチで配置された請求項1に記載の異物分離除去装置。 The first aspect of claim 1, wherein a plurality of inlets (23) of the cyclone cylinder (2) are installed, and the inlets (23) are arranged around the cyclone separation chamber (25) at a constant pitch in the circumferential direction. Foreign matter separation and removal device. 異物の混入している未処理液体を受け入れるタンク(41)と、そのタンク(41)内の液体をストレーナ(42)経由で汲み上げて送り出すポンプ(43)と、そのポンプ(43)の出力口を前記外筒(3)の導入口(31)に配管で繋いだ請求項1または2に記載の異物分離除去装置(1)と、その異物分離除去装置(1)の出口(33)から送り出された異物除去後の液体の逆流を阻止する逆止弁(45)と、その逆止弁(45)を通過した液体を供給先に届ける配管を組み合わせ、前記異物分離除去装置(1)の異物流出口(32)が前記タンク(41)又はドレンポット(46)に接続された異物分離除去システム。 A tank (41) that receives untreated liquid containing foreign matter, a pump (43) that pumps the liquid in the tank (41) via a strainer (42) and sends it out, and an output port of the pump (43). It is sent out from the foreign matter separation / removal device (1) according to claim 1 or 2 connected to the introduction port (31) of the outer cylinder (3) by a pipe and the outlet (33) of the foreign matter separation / removal device (1). A check valve ( 45 ) that blocks the backflow of the liquid after removing the foreign matter and a pipe that delivers the liquid that has passed through the check valve ( 45 ) to the supply destination are combined to form a foreign matter flow of the foreign matter separation / removal device (1). A foreign matter separation / removal system in which an outlet (32) is connected to the tank (41) or a drain pot (46).
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011025150A (en) 2009-07-24 2011-02-10 Yamaho Kogyo Kk In-line strainer
JP2014087738A (en) 2012-10-30 2014-05-15 Yamaho Kogyo Kk In-line strainer

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JPH0487647A (en) * 1990-07-31 1992-03-19 Rasa Shoji Kk Method and device for classifying and separating slurry
JPH0751223B2 (en) * 1991-07-19 1995-06-05 日本スピンドル製造株式会社 Grinding fluid purification device
JPH10137520A (en) * 1996-11-11 1998-05-26 Nikuni:Kk Device for preventing putrefaction of liquid

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011025150A (en) 2009-07-24 2011-02-10 Yamaho Kogyo Kk In-line strainer
JP2014087738A (en) 2012-10-30 2014-05-15 Yamaho Kogyo Kk In-line strainer

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