JP6980627B2 - 油のスラッジ生成性判定方法 - Google Patents
油のスラッジ生成性判定方法 Download PDFInfo
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- JP6980627B2 JP6980627B2 JP2018175297A JP2018175297A JP6980627B2 JP 6980627 B2 JP6980627 B2 JP 6980627B2 JP 2018175297 A JP2018175297 A JP 2018175297A JP 2018175297 A JP2018175297 A JP 2018175297A JP 6980627 B2 JP6980627 B2 JP 6980627B2
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- Prior art keywords
- oil
- rpvot
- deteriorated
- test
- sludge
- 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.)
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- 239000010802 sludge Substances 0.000 title claims description 85
- 238000000034 method Methods 0.000 title claims description 36
- 238000012360 testing method Methods 0.000 claims description 103
- 230000006866 deterioration Effects 0.000 claims description 37
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 33
- 229910052760 oxygen Inorganic materials 0.000 claims description 33
- 239000001301 oxygen Substances 0.000 claims description 33
- 230000003647 oxidation Effects 0.000 claims description 23
- 238000007254 oxidation reaction Methods 0.000 claims description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 176
- 239000010687 lubricating oil Substances 0.000 description 39
- 238000012065 two one-sided test Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 238000005259 measurement Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 7
- 238000006731 degradation reaction Methods 0.000 description 7
- 230000001590 oxidative effect Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000013112 stability test Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000003570 air Chemical group 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000010723 turbine oil Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2888—Lubricating oil characteristics, e.g. deterioration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/30—Oils, i.e. hydrocarbon liquids for lubricating properties
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Description
10 RPVOT試験装置
11 加圧容器
12 銅触媒
13 恒温槽
Claims (5)
- 油および銅触媒を入れ、酸素で置換、または、酸素もしくは空気を注入して、酸素分圧が大気圧下における値よりも高い所定圧力となるまで加圧した加圧容器を、所定温度の恒温槽に浸して回転させて、前記油が酸化した劣化油を生成するステップと、
生成された前記劣化油の一部について、RPVOT試験により酸化による劣化油の劣化程度を示す指標値であるRPVOT残存率を測定すると共に、濾過残渣であるスラッジの重量を測定するステップと、
前記測定された前記RPVOT残存率と前記スラッジの重量との関係から、前記油の劣化による前記スラッジの生成しやすさを判定するステップと、
を備え、
前記加圧容器内の圧力が最大圧力から予め定められた圧力まで降圧することにより、前記RPVOT残存率の推定値がほぼ0(%)となる第1の期間が特定されており、
前記劣化油を生成する前記ステップは、前記第1の期間よりも短い第2の期間で実施され、
前記第2の期間は、生成すべき前記劣化油のRPVOT残存率の値に応じて調整される、
ことを特徴とする油のスラッジ生成性判定方法。 - 前記所定圧力は、0.3(MPa)以上1.0(MPa)以下であることを特徴とする請求項1に記載の油のスラッジ生成性判定方法。
- 前記所定温度は、130(℃)以上150(℃)以下であることを特徴とする請求項1または請求項2に記載の油のスラッジ生成性判定方法。
- 前記劣化油を生成する前記ステップは、前記RPVOT試験で用いられる試験装置を用いて、前記劣化油を生成することを特徴とする請求項1から請求項3のいずれか一項に記載の油のスラッジ生成性判定方法。
- 前記RPVOT試験は、ASTM D2272で規定される試験であることを特徴とする請求項1から請求項4のいずれか一項に記載の油のスラッジ生成性判定方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018175297A JP6980627B2 (ja) | 2018-09-19 | 2018-09-19 | 油のスラッジ生成性判定方法 |
EP19863280.4A EP3825686A4 (en) | 2018-09-19 | 2019-09-19 | METHOD OF DETERMINING THE LEVEL OF SLUDGE GENERATION IN OIL |
US17/271,011 US11988657B2 (en) | 2018-09-19 | 2019-09-19 | Method for determining degree of sludge generation in oil |
CN201980057011.4A CN112639465A (zh) | 2018-09-19 | 2019-09-19 | 油的淤渣生成性判定方法 |
PCT/JP2019/036688 WO2020059776A1 (ja) | 2018-09-19 | 2019-09-19 | 油のスラッジ生成性判定方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018175297A JP6980627B2 (ja) | 2018-09-19 | 2018-09-19 | 油のスラッジ生成性判定方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020046319A JP2020046319A (ja) | 2020-03-26 |
JP6980627B2 true JP6980627B2 (ja) | 2021-12-15 |
Family
ID=69887662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018175297A Active JP6980627B2 (ja) | 2018-09-19 | 2018-09-19 | 油のスラッジ生成性判定方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11988657B2 (ja) |
EP (1) | EP3825686A4 (ja) |
JP (1) | JP6980627B2 (ja) |
CN (1) | CN112639465A (ja) |
WO (1) | WO2020059776A1 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0734078A (ja) * | 1993-07-23 | 1995-02-03 | Hitachi Building Syst Eng & Service Co Ltd | 油圧エレベータ用作動油の基油 |
JP3592832B2 (ja) * | 1996-04-04 | 2004-11-24 | 株式会社日立ビルシステム | 油圧エレベータ用作動油 |
GB9816951D0 (en) | 1998-08-04 | 1998-09-30 | Ethyl Petroleum Additives Ltd | Turbine and R&O oils containing neutral rust inhibitors |
JP4209093B2 (ja) * | 2001-07-23 | 2009-01-14 | 三菱重工業株式会社 | 潤滑油のスラッジ生成性の判定方法 |
JP6101181B2 (ja) * | 2013-09-19 | 2017-03-22 | 三菱重工業株式会社 | タービン油の寿命予測方法 |
JP2016042029A (ja) * | 2014-08-14 | 2016-03-31 | 三菱日立パワーシステムズ株式会社 | 潤滑油の品質評価方法及び品質評価装置 |
-
2018
- 2018-09-19 JP JP2018175297A patent/JP6980627B2/ja active Active
-
2019
- 2019-09-19 US US17/271,011 patent/US11988657B2/en active Active
- 2019-09-19 CN CN201980057011.4A patent/CN112639465A/zh active Pending
- 2019-09-19 EP EP19863280.4A patent/EP3825686A4/en active Pending
- 2019-09-19 WO PCT/JP2019/036688 patent/WO2020059776A1/ja unknown
Also Published As
Publication number | Publication date |
---|---|
EP3825686A1 (en) | 2021-05-26 |
WO2020059776A1 (ja) | 2020-03-26 |
CN112639465A (zh) | 2021-04-09 |
EP3825686A4 (en) | 2021-08-25 |
US11988657B2 (en) | 2024-05-21 |
JP2020046319A (ja) | 2020-03-26 |
US20210325363A1 (en) | 2021-10-21 |
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