JPH0735141A - Oil-gas recoverer - Google Patents
Oil-gas recovererInfo
- Publication number
- JPH0735141A JPH0735141A JP18301093A JP18301093A JPH0735141A JP H0735141 A JPH0735141 A JP H0735141A JP 18301093 A JP18301093 A JP 18301093A JP 18301093 A JP18301093 A JP 18301093A JP H0735141 A JPH0735141 A JP H0735141A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- gas
- bearing box
- bearing
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は回転数を支承する軸受装
置で摩擦による発熱または磨耗を防ぐために潤滑油を流
す循環経路を構成したものにおいて、潤滑油より放出さ
れた油ガスを回収するために付設される油ガス回収装置
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bearing device that supports a rotational speed and has a circulation path for flowing lubricating oil in order to prevent heat generation or wear due to friction, and to recover oil gas released from the lubricating oil. The present invention relates to an oil and gas recovery device attached to the.
【0002】[0002]
【従来の技術】この種の潤滑油のための循環経路を備え
た軸受装置においては、潤滑油が軸受を通過する間に軸
受の発生する熱を吸収して温度上昇し、油タンクに回収
される。この温度上昇時に一部が油ガスとなって拡散
し、空気抜き穴や軸受箱と回転軸の間隙より外部に放出
される。この油ガスは温度の低下と共に凝縮することか
ら油滴となった油が周囲の設備等に付着し、油による汚
染を引き起こすことがある。 この油ガスを回収するた
めに、図8および図9に示すような空気抜き穴に金属金
網を内蔵したエアーブリーザを設置(以下、第1従来技
術という)するやり方が用いられている。2. Description of the Related Art In a bearing device having a circulation path for this type of lubricating oil, the heat generated by the bearing is absorbed while the lubricating oil passes through the bearing, the temperature rises, and the oil is collected in an oil tank. It When this temperature rises, part of it becomes oil gas and diffuses and is released outside through the air vent hole and the gap between the bearing box and the rotating shaft. Since this oil gas condenses as the temperature decreases, oil that has become oil droplets may adhere to surrounding equipment and the like, causing contamination by the oil. In order to collect this oil gas, a method of installing an air breather having a metal wire mesh in an air vent hole as shown in FIGS. 8 and 9 (hereinafter referred to as a first conventional technique) is used.
【0003】すなわち、これは回転軸1を支承する軸受
2を収めた軸受箱3の上部に筒体5、金網6および蓋7
からなるエアブリーザ4を設けて油ガスGを回収する方
法である。また、同じエアブリーザ4は軸受箱3からの
潤滑油を回収する油タンク8の上部にも設けて、ここで
の油ガスGの回収も行なわれる。ちなみに、この潤滑油
のため循環経路は油タンク8と軸受2のすべり面とを結
ぶ循環用ポンプ9を備えた給油管10と、軸受箱3の油
溜めと油タンク8とを結ぶ戻り油管11とから構成され
ている。That is, this is a cylinder 5, a wire mesh 6 and a lid 7 on top of a bearing box 3 containing a bearing 2 for supporting a rotary shaft 1.
Is a method of recovering the oil gas G by providing the air breather 4 consisting of. The same air breather 4 is also provided above the oil tank 8 that collects the lubricating oil from the bearing housing 3, and the oil gas G is also collected here. By the way, an oil supply pipe 10 having a circulation pump 9 for connecting the oil tank 8 and the slip surface of the bearing 2 and a return oil pipe 11 for connecting the oil reservoir of the bearing housing 3 and the oil tank 8 are provided in the circulation path for the lubricating oil. It consists of and.
【0004】さらに、大型回転機械などでは、図10に
示すように軸受箱3と油タンク8を大口径の戻り油管1
1で接続し、常時戻り油管11内に気相部と油相部が形
成されるように構成し、油タンク気相部8Aに空気抽出
管12を介して接続した送風機13にて軸受箱3内部や
戻り油管11と油タンク気相部8Aに充満した油ガスG
を回収し、送風機13に接続された油ガス回収フィルタ
14で回収する(以下、第2従来技術という)する方法
も知られている。なお、図中符号15は駆動機であっ
て、送風機13を駆動するために付設される。Further, in a large rotating machine or the like, as shown in FIG. 10, the bearing box 3 and the oil tank 8 are provided with a large diameter return oil pipe 1.
1 is connected, and a gas phase part and an oil phase part are always formed in the return oil pipe 11, and the bearing box 3 is connected to the oil tank gas phase part 8A via the air extraction pipe 12 by the blower 13. Oil gas G that fills the inside and the return oil pipe 11 and the oil tank vapor phase portion 8A
Is also known (hereinafter referred to as the second related art), which is recovered by the oil gas recovery filter 14 connected to the blower 13. In addition, reference numeral 15 in the drawing denotes a driving machine, which is attached to drive the blower 13.
【0005】[0005]
【発明が解決しようとする課題】上述の第1従来技術の
ものは、外部からのゴミ等の異物の侵入を防ぐことを主
眼に設計されているため、油ガスからすべての潤滑油を
回収することは難しく、回転軸1と軸受箱3の間隙から
も油ガスGが外部に放出され、油ガスGが凝縮して油滴
となって付着したとき、周囲の機器等が油によって汚染
される可能性がある。Since the above-mentioned first prior art is designed mainly to prevent foreign matter such as dust from entering from the outside, all the lubricating oil is recovered from the oil gas. It is difficult to do so, and when the oil gas G is released to the outside from the gap between the rotating shaft 1 and the bearing housing 3 and the oil gas G condenses and adheres as oil droplets, the surrounding equipment is contaminated with oil. there is a possibility.
【0006】また、上述の第2従来技術のものでは、戻
り油管11内に常時気相部が形成されていなければなら
ないため、戻り油管11の敷設経路や油タンク8の据付
高さに制限が加わり、一方また戻り油管11を大口径
(給油管の約1.5倍から2倍の大きさ)に構成する必
要があるなどの不都合がある。Further, in the above-mentioned second prior art, since the vapor phase portion must be always formed in the return oil pipe 11, there are restrictions on the installation route of the return oil pipe 11 and the installation height of the oil tank 8. In addition, on the other hand, there is an inconvenience that the return oil pipe 11 needs to be configured with a large diameter (about 1.5 times to twice the size of the oil supply pipe).
【0007】そこで、本発明の目的は戻り油経路を敷設
経路および油タンクの据付高さを自由に決められ、併せ
て戻り油経路を小口径の戻り油管で構成し得る油ガス回
収装置を提供することにある。Therefore, an object of the present invention is to provide an oil-gas recovery device in which the installation height of the return oil path and the installation height of the oil tank can be freely determined, and the return oil path can be constituted by a return oil pipe having a small diameter. To do.
【0008】[0008]
【課題を解決するための手段】上記目的を達成するため
に本発明は、潤滑油循環経路が独立して軸受箱と油タン
クとを連通する油ガスのため連絡管を設けると共に、油
タンク内の気相部から抽出される油ガスを油ガス回収フ
ィルタに導く空気抽出管を設けたことを特徴とするもの
である。In order to achieve the above object, the present invention provides a connecting pipe for oil and gas which has a lubricating oil circulation path independently communicating between a bearing box and an oil tank, and is provided in the oil tank. An air extraction pipe for guiding the oil gas extracted from the gas phase part to the oil gas recovery filter is provided.
【0009】[0009]
【作用】軸受を収めた軸受箱と油タンクとの間には潤滑
油を送り、そこから回収する潤滑油循環経路を構成して
いる。ここで使用される潤滑油を回収するための戻り油
管は常時気相部から形成されていなければならないため
に口径が非常に大きく油タンクとの接続を考慮したとき
に敷設経路が自由に決められない。また、敷設経路を先
に決めたときには油タンクの位置が問題になる。[Function] A lubricating oil circulation path is formed between the bearing housing containing the bearing and the oil tank, and the lubricating oil is sent from and collected from the oil tank. The return oil pipe used to recover the lubricating oil used here must always be formed from the vapor phase part, so the diameter is very large and the laying route can be freely determined when considering the connection with the oil tank. Absent. In addition, the position of the oil tank becomes a problem when the laying route is decided first.
【0010】本発明においては敷設経路の決定に影響の
大きい潤滑油、油ガス経路の共用形式を見直し、それぞ
れ単独に回収ないし抽出できる専用形式を採用する。こ
の構成は潤滑油循環経路から独立している油ガスのため
の専用経路である連絡管を軸受箱と油タンクとの間に引
くものである。この油ガスのための連絡管により潤滑油
のための戻り油管は口径を給油管の口径と同等にするこ
とができ、口径が細くなる分、戻り油経路を自由に決め
ることができる。In the present invention, the common type of the lubricating oil and oil gas routes, which has a great influence on the determination of the laying route, is reviewed, and a dedicated type that can be individually recovered or extracted is adopted. This structure draws a connecting pipe, which is a dedicated path for oil and gas, which is independent of the lubricating oil circulation path, between the bearing box and the oil tank. With this connecting pipe for oil and gas, the return oil pipe for lubricating oil can have a diameter equal to that of the oil supply pipe, and the return oil passage can be freely determined as the diameter decreases.
【0011】[0011]
【実施例】以下、本発明の一実施例を図1および図2を
参照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.
【0012】なお、本図中、従来技術による図8ないし
図10と同一の構成には同一の符号を付して説明を省略
する。In the figure, the same components as those of FIGS. 8 to 10 according to the prior art are designated by the same reference numerals and the description thereof will be omitted.
【0013】図1および図2において、本実施例の油ガ
ス回収装置は軸受箱3内の空間と結ばれる油ガスのため
の連絡管21は他端が油タンク8内の気相部8Aに接続
されている。In FIG. 1 and FIG. 2, in the oil and gas recovery system of this embodiment, the connecting pipe 21 for oil and gas connected to the space in the bearing housing 3 has the other end in the gas phase portion 8A in the oil tank 8. It is connected.
【0014】上記の連絡管21以外の構成では従来技術
と同様に油タンク気相部8Aと油ガス回収フィルタ14
とが送風機13を備えた空気抽出管12で結ばれる。In the configuration other than the connecting pipe 21, the oil tank vapor phase portion 8A and the oil gas recovery filter 14 are used as in the prior art.
Are connected by an air extraction pipe 12 equipped with a blower 13.
【0015】次に、上記構成によるところの作用を説明
する。Next, the operation of the above configuration will be described.
【0016】回転軸1の起動においては循環用ポンプ9
により油タンク8内の潤滑油が回転軸1と軸受2との間
に強制的に給油されている状態のとき起動する。このと
き、送風機13が起動されると、油タンク気相部8Aが
負圧となり、これと連絡管21によって通じている軸受
箱3内の圧力が下がり、図2に示されるように、外部と
通じている回転軸1と軸受箱3との間の隙間を通して空
気Aが流入する。When starting the rotary shaft 1, a circulation pump 9 is used.
As a result, the oil tank 8 is started when the lubricating oil is forcibly supplied between the rotating shaft 1 and the bearing 2. At this time, when the blower 13 is activated, the oil tank gas phase portion 8A becomes a negative pressure, and the pressure in the bearing box 3 communicating with the oil tank gas phase portion 8A decreases, and as shown in FIG. Air A flows in through a gap between the rotating shaft 1 and the bearing housing 3 which are in communication with each other.
【0017】軸受箱3内では循環用ポンプ9による強制
給油によって回転軸1と軸受2との間隙に潤滑油膜が形
成され、摩擦による発熱または磨耗を防いでいる。潤滑
油は軸受2を通過する間に軸受2の発生する熱を吸収
し、温度が上昇し、このとき一部が油ガスGとなって拡
散し、回転軸1と軸受箱3との隙間より流入した空気A
と共に、連絡管21を通り油タンク気相部8Aへ送気さ
れる。In the bearing housing 3, a lubricating oil film is formed in the gap between the rotary shaft 1 and the bearing 2 by forced oil supply by the circulation pump 9 to prevent heat generation or wear due to friction. The lubricating oil absorbs the heat generated by the bearing 2 while passing through the bearing 2, and the temperature rises. At this time, a part of the lubricating oil diffuses as an oil gas G to diffuse from the gap between the rotating shaft 1 and the bearing housing 3. Inflowing air A
Together with this, the gas is sent to the oil tank gas phase portion 8A through the communication pipe 21.
【0018】軸受箱3内で気化しない大部分の潤滑油
は、戻り油管11を通り油タンク8に回収され、そこで
一部が油ガスGとなって拡散する。油タンク気相部8A
へ軸受箱3より送気された油ガスGと空気Aと、油タン
ク8内で拡散した油ガスGが送風機13によって抽出さ
れ、グラス繊維製の油回収フィルタ24へ送られて油ガ
スG中の油分がグラス繊維を通過する際、気相から液相
に凝縮し、フィルタに付着することによって捕集回収さ
れ、他の空気Gは外部へ放出される。Most of the lubricating oil that is not vaporized in the bearing housing 3 passes through the return oil pipe 11 and is collected in the oil tank 8, where a part of the lubricating oil diffuses as oil gas G. Oil tank gas phase 8A
The oil gas G and the air A sent from the bearing box 3 and the oil gas G diffused in the oil tank 8 are extracted by the blower 13 and sent to the oil recovery filter 24 made of glass fiber. When the oil component of (3) passes through the glass fiber, it is condensed from the gas phase to the liquid phase and is collected and collected by adhering to the filter, and the other air G is released to the outside.
【0019】かくして、本実施例においては軸受箱3内
で気化する油ガスGは連絡管21を通して油タンク8に
回収されるので、戻り油管11に油ガスGを流すため気
相部を形成する必要がなく、戻り油管11を給油管10
と同等に適正な潤滑油量を流す細い管路で構成すること
ができる。潤滑油が軸受箱3から油タンク8にかけて自
然流下する範囲内で油タンク8の据付高さは自由決定で
き、また、戻り油管11の口径が小さくなることで、そ
の敷設経路の決め方もかなり自由に決定することが可能
になる。Thus, in this embodiment, the oil gas G vaporized in the bearing housing 3 is collected in the oil tank 8 through the connecting pipe 21, so that a gas phase portion is formed for flowing the oil gas G into the return oil pipe 11. There is no need to use the return oil pipe 11 and the oil supply pipe 10.
It can be configured with a thin pipe that allows an appropriate amount of lubricating oil to flow. The installation height of the oil tank 8 can be freely determined within a range in which the lubricating oil naturally flows down from the bearing box 3 to the oil tank 8, and the diameter of the return oil pipe 11 is small, so that the laying route can be determined quite freely. It will be possible to decide.
【0020】さらに、本発明の他の実施例を図3および
図4を参照して説明する。図3および図4に示される実
施例は油ガスGの強制送気を回転軸1の駆動力を利用し
たものである。Further, another embodiment of the present invention will be described with reference to FIGS. In the embodiment shown in FIGS. 3 and 4, the driving force of the rotary shaft 1 is used for the forced air supply of the oil gas G.
【0021】図3は軸受箱3内部の回転軸1にファン3
1を設置した場合の例である。回転軸1の回転と共にフ
ァン31が回転し、回転軸1と軸受箱3との隙間より空
気Aが吸入され、軸受箱3内の圧力を高める。軸受箱3
内空間は連絡管21で油タンク気相部8Aと結ばれ、ま
た油タンク気相部Aは空気抽出管12で油回収フィルタ
14に結ばれ、油回収フィルタ14を通過すると外部へ
解放されていることにより吸入された空気Aは潤滑油か
ら放出された油ガスGと共に、連絡管21を通り、油タ
ンク気相部8Aへ送気され、油タンク8内で拡散する油
ガスGと共に空気抽出管12を通り、油回収フィルタ1
4へ送られ、油ガスG中の油分が捕集回収され、他の空
気Aは外部へ放出される。FIG. 3 shows that the fan 3 is attached to the rotary shaft 1 inside the bearing housing 3.
This is an example when 1 is installed. The fan 31 rotates as the rotating shaft 1 rotates, and the air A is sucked through the gap between the rotating shaft 1 and the bearing housing 3 to increase the pressure inside the bearing housing 3. Bearing box 3
The inner space is connected to the oil tank gas phase portion 8A by the communication pipe 21, and the oil tank gas phase portion A is connected to the oil recovery filter 14 by the air extraction pipe 12 and is released to the outside when passing through the oil recovery filter 14. The air A that has been sucked in as a result of this is extracted along with the oil gas G released from the lubricating oil through the communication pipe 21 to the gas phase portion 8A of the oil tank and diffused in the oil tank 8 along with the oil gas G. Oil recovery filter 1 through pipe 12
4, the oil component in the oil gas G is collected and collected, and the other air A is discharged to the outside.
【0022】一方、図4は軸受箱3外部の回転軸1にフ
ァン32を設置した場合の例である。ファン32は巻き
込み防止と、空気Aを軸受箱3内に導くファンカバー3
3に覆われている。回転軸1の回転と共にファン32が
回転し、軸受箱3内へ空気Gを押し込み軸受箱3内の圧
力を高める。軸受箱3は連絡管21で油タンク気相部A
と結ばれ、また油タンク気相部8Aは空気抽出管12で
油回収フィルタ14に結ばれ、油回収フィルタ14を通
過すると外部へ解放されていることにより、押し込まれ
た空気Aは潤滑油から放出された油ガスGと共に、連絡
管21を通り、油タンク気相部8Aへ送気され、油タン
ク8内で拡散する油ガスGと共に空気抽出管12を通
り、油回収フィルタ24へ送気され、油ガスG中の油分
が捕集回収され、他の空気Gは外部へ放出される。On the other hand, FIG. 4 shows an example in which a fan 32 is installed on the rotary shaft 1 outside the bearing box 3. The fan 32 prevents entrapment and guides the air A into the bearing box 3 by the fan cover 3
It is covered with 3. The fan 32 rotates together with the rotation of the rotating shaft 1 to push the air G into the bearing housing 3 and increase the pressure inside the bearing housing 3. The bearing box 3 has a connecting pipe 21 and an oil tank vapor phase portion A.
Further, the oil tank gas phase portion 8A is connected to the oil recovery filter 14 by the air extraction pipe 12, and is released to the outside when passing through the oil recovery filter 14, so that the pushed air A is discharged from the lubricating oil. Along with the released oil gas G, it is sent to the oil tank gas phase portion 8A through the communication pipe 21, and is sent to the oil recovery filter 24 through the air extraction pipe 12 together with the oil gas G that diffuses in the oil tank 8. Then, the oil content in the oil gas G is collected and collected, and the other air G is released to the outside.
【0023】この図3および図4に示される実施例にお
いても上記の実施例と同様に戻り油管11を給油管10
と同じ口径とすることができる。また、油ガスGの強制
送気が回転軸1の回転から得られるので、送風機13に
対する動力の供給が不要となる。Also in the embodiment shown in FIGS. 3 and 4, the return oil pipe 11 and the oil supply pipe 10 are the same as in the above embodiment.
Can have the same caliber as. Further, since the forced supply of the oil gas G is obtained from the rotation of the rotary shaft 1, it is not necessary to supply power to the blower 13.
【0024】さらに、上記実施例と異なる実施例を説明
する。図5は油ガスGの回収効率を高めるため、ガス冷
却器41を空気抽出管12に設置した実施例である。外
部環境温度が30度以上になると、油ガス回収フィルタ
14における捕集を行ないにくい状況となり、油ガスが
回収されずに油回収フィルタ14を通過する比率が多く
なる。油ガスGの回収効率を高めるため、空気抽出管1
2に冷却水または冷風Wにより油ガスGを冷却するガス
冷却器41を設置し、油ガスGの気相から液相への凝縮
現象を促進させるようにする。Further, an embodiment different from the above embodiment will be described. FIG. 5 shows an embodiment in which the gas cooler 41 is installed in the air extraction pipe 12 in order to improve the recovery efficiency of the oil gas G. When the external environment temperature is 30 degrees or more, it becomes difficult to collect the oil gas recovery filter 14, and the ratio of the oil gas passing through the oil recovery filter 14 without being recovered increases. In order to improve the recovery efficiency of the oil gas G, the air extraction pipe 1
A gas cooler 41 that cools the oil gas G with cooling water or cold air W is installed at 2 to accelerate the condensation phenomenon of the oil gas G from the gas phase to the liquid phase.
【0025】このように本実施例は図1および図2に示
される実施例と同様の働きを得るものであるが、さらに
油ガスGの回収をより効果的にするもので、特に寒冷地
以外の地域に適用する場合に効果が大きい。As described above, this embodiment obtains the same function as that of the embodiment shown in FIGS. 1 and 2, but further makes the recovery of the oil gas G more effective, especially in a place other than a cold region. Greatly effective when applied to areas.
【0026】図6は流量自動調節手段を設置した実施例
である。経年使用によって油ガスG回収フィルタ14の
目詰まりによる損失抵抗が増大し、油ガスGの回収量が
減少してしまい、当初の規定流量を回収するには送風機
13の回転数を増速する必要がある。空気抽出管12に
風量計51を設置し、その検出出力に応じて駆動機15
の回転数制御を行なう制御器52により送風機13の回
転数を変化させることにより、油ガスGの回収量が常時
一定となる流量自動調節を可能にする。FIG. 6 shows an embodiment in which automatic flow rate adjusting means is installed. Loss resistance due to clogging of the oil gas G recovery filter 14 increases due to aged use, and the recovery amount of the oil gas G decreases, and it is necessary to increase the rotation speed of the blower 13 to recover the initial specified flow rate. There is. An air flow meter 51 is installed on the air extraction pipe 12, and the drive unit 15 is installed according to the detection output.
By changing the number of rotations of the blower 13 by the controller 52 that controls the number of rotations, it is possible to automatically adjust the flow rate so that the recovery amount of the oil gas G is always constant.
【0027】このように、流量自動調節手段を付設した
ものにおいては油ガスGの回収を安定させることが可能
で、装置の働きを最大限に発揮させることができる。As described above, in the case where the automatic flow rate adjusting means is provided, the recovery of the oil gas G can be stabilized and the operation of the apparatus can be maximized.
【0028】さらに、上述した各実施例と異なる実施例
を説明する。Further, an embodiment different from each of the above-mentioned embodiments will be described.
【0029】これは複数の軸受箱3を備えたものにおけ
る本発明の適用例であって、図7に示されるように複数
の軸受箱3からの油ガスGの流量を均等に保つ流量バラ
ンス調整手段を組込むように構成される。This is an application example of the present invention in the case where a plurality of bearing boxes 3 are provided, and as shown in FIG. 7, a flow rate balance adjustment for keeping the flow rate of the oil gas G from the plurality of bearing boxes 3 uniform. Configured to incorporate the means.
【0030】複数の軸受箱3の連絡管21にそれぞれ流
量調整用オリフィス61を設置する。通常、軸受箱3か
ら油タンク8までの距離が軸受箱3の設けられる場所に
よって異なることから管路抵抗に大きな差が生じる。そ
こで、抵抗の大きい連絡管21を通る油ガスGを増し、
抵抗の小さい経路の流量を制限するように流量調整用オ
リフィス61によって流量バランスを取る。Flow rate adjusting orifices 61 are installed in the connecting pipes 21 of the plurality of bearing boxes 3, respectively. Usually, the distance from the bearing box 3 to the oil tank 8 differs depending on the place where the bearing box 3 is provided, and thus a large difference occurs in the line resistance. Therefore, increase the oil gas G passing through the connecting pipe 21 having a large resistance,
The flow rate is adjusted by the flow rate adjusting orifice 61 so as to limit the flow rate in the path having a small resistance.
【0031】本実施例の流量バランス調節手段を用いる
ことにより一部軸受箱3内で油ガスGの滞留が生じるな
どの不都合をなくすことができ、常に安定した油ガスG
の回収が可能になる。By using the flow rate balance adjusting means of the present embodiment, it is possible to eliminate the inconvenience that some of the oil gas G stays in the bearing housing 3, and the oil gas G is always stable.
Can be recovered.
【0032】[0032]
【発明の効果】以上の説明から明らかなように本発明は
潤滑油循環経路から独立して軸受箱内と油タンク内とを
連通する連絡管を設けているから、戻り油管に油ガスを
流すため気相部を形成する必要がなく、戻り油管を給油
管と同等な適正な潤滑油量を流す細い管路で構成するこ
とができる。As is apparent from the above description, according to the present invention, since the communication pipe that connects the inside of the bearing box and the inside of the oil tank is provided independently of the lubricating oil circulation path, the oil gas flows through the return oil pipe. Therefore, it is not necessary to form the gas phase portion, and the return oil pipe can be configured by a thin pipe line that flows an appropriate amount of lubricating oil equivalent to the oil supply pipe.
【0033】したがって、油タンクの据付高さを潤滑油
が自然流下する範囲内で自由に決めることができ、ま
た、戻り油管の敷設経路の決め方も自由に決定すること
が可能である。Therefore, the installation height of the oil tank can be freely determined within the range where the lubricating oil naturally flows down, and also the way of laying the return oil pipe can be freely determined.
【図1】本発明による油ガス回収装置の一実施例を示す
構成図。FIG. 1 is a configuration diagram showing an embodiment of an oil gas recovery device according to the present invention.
【図2】図1に示される軸受箱の詳細を示す縦断面図。FIG. 2 is a vertical sectional view showing details of the bearing box shown in FIG.
【図3】本発明の他の実施例を示す構成図。FIG. 3 is a configuration diagram showing another embodiment of the present invention.
【図4】本発明の他の実施例を示す構成図。FIG. 4 is a configuration diagram showing another embodiment of the present invention.
【図5】本発明の他の実施例を示す構成図。FIG. 5 is a configuration diagram showing another embodiment of the present invention.
【図6】本発明の他の実施例を示す構成図。FIG. 6 is a configuration diagram showing another embodiment of the present invention.
【図7】本発明の他の実施例を示す構成図。FIG. 7 is a configuration diagram showing another embodiment of the present invention.
【図8】従来技術の一例を示す構成図。FIG. 8 is a configuration diagram showing an example of a conventional technique.
【図9】従来技術の一例を示す断面図。FIG. 9 is a sectional view showing an example of a conventional technique.
【図10】従来技術の一例を示す構成図。FIG. 10 is a configuration diagram showing an example of a conventional technique.
1…回転軸 2…軸受 3…軸受箱 11…給油管 12…油戻り管 14…油タンク 12…空気抽出管 13…送風機 14…油ガス回収フィルタ 21…連絡管 31、32…ファン 41…ガス冷却器 52…制御器 61…流量調整オリフィス 1 ... Rotary shaft 2 ... Bearing 3 ... Bearing box 11 ... Oil supply pipe 12 ... Oil return pipe 14 ... Oil tank 12 ... Air extraction pipe 13 ... Blower 14 ... Oil gas recovery filter 21 ... Communication pipe 31, 32 ... Fan 41 ... Gas Cooler 52 ... Controller 61 ... Flow rate adjusting orifice
Claims (6)
備え、潤滑油を油タンクから前記軸受に送り、これを前
記軸受箱を通して回収するように前記油タンクおよび軸
受間に循環経路を構成したものにおいて、前記潤滑油循
環経路から独立して前記軸受箱内と前記油タンク内とを
連通する油ガスのための連絡管を設けると共に、前記油
タンク内の気相部から抽出される油ガスを油ガス回収フ
ィルタに導く空気抽出管を設けたことを特徴とする油ガ
ス回収装置。1. A bearing box containing a bearing for supporting a rotating shaft is provided, and a circulation path is provided between the oil tank and the bearing so that lubricating oil is sent from the oil tank to the bearing and is collected through the bearing box. In the structure, a communication pipe for oil gas that communicates the inside of the bearing box and the inside of the oil tank is provided independently of the lubricating oil circulation path, and is extracted from the gas phase portion inside the oil tank. An oil / gas recovery device, which is provided with an air extraction pipe for guiding oil gas to an oil / gas recovery filter.
油タンク内の油ガスを強制的に前記油ガス回収フィルタ
に送気するようにしたことを特徴とする請求項1記載の
油ガス回収装置。2. The oil gas according to claim 1, wherein the air extraction pipe is provided with a blowing unit to forcibly feed the oil gas in the oil tank to the oil gas recovery filter. Recovery device.
け、前記軸受箱と前記回転軸との間の隙間から空気を吸
い込み、油ガスと共に前記油タンクを通して前記油ガス
回収フィルタに送気するようにしたことを特徴とする請
求項1記載の油ガス回収装置。3. A fan is provided on the rotary shaft in the bearing box, air is sucked from a gap between the bearing box and the rotary shaft, and is sent to the oil gas recovery filter together with oil gas through the oil tank. The oil gas recovery device according to claim 1, wherein
ンを設け、前記軸受箱と前記回転軸との間の隙間から空
気を該軸受箱内に押し込み、油ガスと共に前記油タンク
を通して前記油ガス回収フィルタに送気するようにした
ことを特徴とする請求項1記載の油ガス回収装置。4. A fan is provided on the rotary shaft adjacent to the bearing box, air is pushed into the bearing box from a gap between the bearing box and the rotary shaft, and the oil is passed through the oil tank together with oil gas. The oil / gas recovery device according to claim 1, wherein air is supplied to the gas recovery filter.
とを特徴とする請求項2ないし4記載の油ガス回収装
置。5. The oil gas recovery device according to claim 2, wherein the air extraction pipe is provided with a gas cooler.
前記送風手段の回転数を調節する制御器を設けたことを
特徴とする請求項2記載の油ガス回収装置。6. The oil-gas recovery device according to claim 2, further comprising a controller for adjusting the rotation speed of the blower according to the amount of gas flowing through the air extraction pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18301093A JP3305820B2 (en) | 1993-07-23 | 1993-07-23 | Oil and gas recovery equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18301093A JP3305820B2 (en) | 1993-07-23 | 1993-07-23 | Oil and gas recovery equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0735141A true JPH0735141A (en) | 1995-02-03 |
JP3305820B2 JP3305820B2 (en) | 2002-07-24 |
Family
ID=16128163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18301093A Expired - Fee Related JP3305820B2 (en) | 1993-07-23 | 1993-07-23 | Oil and gas recovery equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3305820B2 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007146670A (en) * | 2005-11-24 | 2007-06-14 | Dmw Corp | Oil mist splash preventing system of rotary machine |
JP2009074422A (en) * | 2007-09-20 | 2009-04-09 | Mitsubishi Heavy Ind Ltd | Oil console installation |
JP2012107754A (en) * | 2011-12-22 | 2012-06-07 | Mitsubishi Heavy Industries Compressor Corp | Oil console facility |
CN104787513A (en) * | 2015-04-20 | 2015-07-22 | 中国石油化工股份有限公司 | Storage tank gas phase communication device |
CN107940218A (en) * | 2017-09-29 | 2018-04-20 | 郑州奥特科技有限公司 | Bearing waste grease auto-collection system and its bearing move fat system certainly |
KR20190105821A (en) * | 2018-03-06 | 2019-09-18 | 한화파워시스템 주식회사 | Oil system for compressor |
CN112856872A (en) * | 2021-01-20 | 2021-05-28 | 广东申菱环境***股份有限公司 | Control method of cold-carrying type oil gas recovery device |
CN116692401A (en) * | 2023-07-31 | 2023-09-05 | 原平市兴胜机械制造有限公司 | Belt type thin oil lubrication roller |
-
1993
- 1993-07-23 JP JP18301093A patent/JP3305820B2/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007146670A (en) * | 2005-11-24 | 2007-06-14 | Dmw Corp | Oil mist splash preventing system of rotary machine |
JP4714009B2 (en) * | 2005-11-24 | 2011-06-29 | 株式会社電業社機械製作所 | Oil mist splash prevention system for rotating machinery |
JP2009074422A (en) * | 2007-09-20 | 2009-04-09 | Mitsubishi Heavy Ind Ltd | Oil console installation |
JP2012107754A (en) * | 2011-12-22 | 2012-06-07 | Mitsubishi Heavy Industries Compressor Corp | Oil console facility |
CN104787513A (en) * | 2015-04-20 | 2015-07-22 | 中国石油化工股份有限公司 | Storage tank gas phase communication device |
CN107940218A (en) * | 2017-09-29 | 2018-04-20 | 郑州奥特科技有限公司 | Bearing waste grease auto-collection system and its bearing move fat system certainly |
KR20190105821A (en) * | 2018-03-06 | 2019-09-18 | 한화파워시스템 주식회사 | Oil system for compressor |
CN112856872A (en) * | 2021-01-20 | 2021-05-28 | 广东申菱环境***股份有限公司 | Control method of cold-carrying type oil gas recovery device |
CN112856872B (en) * | 2021-01-20 | 2023-06-30 | 广东申菱环境***股份有限公司 | Control method of cold-carrying type oil gas recovery device |
CN116692401A (en) * | 2023-07-31 | 2023-09-05 | 原平市兴胜机械制造有限公司 | Belt type thin oil lubrication roller |
CN116692401B (en) * | 2023-07-31 | 2023-10-27 | 原平市兴胜机械制造有限公司 | Belt type thin oil lubrication roller |
Also Published As
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JP3305820B2 (en) | 2002-07-24 |
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