CN106950015A - A kind of gas leak detection agent of aircraft - Google Patents
A kind of gas leak detection agent of aircraft Download PDFInfo
- Publication number
- CN106950015A CN106950015A CN201710227902.2A CN201710227902A CN106950015A CN 106950015 A CN106950015 A CN 106950015A CN 201710227902 A CN201710227902 A CN 201710227902A CN 106950015 A CN106950015 A CN 106950015A
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- parts
- gas leak
- leak detection
- detection agent
- aircraft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/12—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of gas leak detection agent of aircraft.By the material composition of following parts by weight：0.2 20 parts of surfactant, 0.1 2 parts of anticorrosive, sterilized 0.1 2 parts of inhibitor, 76 99.6 parts of solvent.Gas leak detection agent product not oil-containing, silicon and the hazardous solvent of the present invention, it can quickly, reliably position the gas leak of aero tyre, aircraft high and low pressure oxygen system and other oxygen systems, and aircraft materials are not damaged, it is harmless to human body using rear noresidue.
Description
Technical field
The present invention relates to a kind of gas leak detection agent, more particularly to a kind of civil aircraft routine testing that is used for is safeguarded and daily dimension
Gas leak detection agent during repairing.
Background technology
Aircraft is in high-altitude flight, atmospheric pressure reduction, the oxygen partial pressure reduction of human body suction, and human life is made safely
Into threat.The effect of oxygen system is exactly preventing high altitude anoxic, bad physiological reaction caused by low pressure effect.It is standing on aircraft
Oxygen system have three kinds, respectively driving cabin supplies the pressure breathing system of crew；Passenger and service on buses or trains are supplied in main cabin
The chemical oxygen generators of member；Carry-around oxygen bottle is on the aircraft of cabin pressurization, for first aid and some particular/special requirements
Personnel.All pipe interfaces and valve in oxygen system, are required for carrying out leak detection work, general leak hunting method has two kinds,
Listen air-tightness, if having " whooshing " sound；Using leak-checking agent, leak understands product continuously bubble.
With listening, the method reliability of air-tightness is not strong, and can not be accurately positioned gas leak；Presently used leak-checking agent
In, it is diluter to there is solution concentration, is unfavorable for the problem of it is attached to around joint.
The content of the invention
It is an object of the invention to provide a kind of gas for during the maintenance of civil aircraft routine testing and ordinary maintenance
Leak-checking agent.
A kind of aircraft gas leak detection agent, by the material composition of following parts by weight：0.2-20 parts of surfactant, anti-corrosion
Lose 0.1-2 parts of agent, sterilized inhibitor 0.1-2 parts, 76-99.6 parts of solvent.
The surfactant is lauryl sodium sulfate, OP-10, AES, cocounut oil acyl methyl taurine sodium, Sorbitan
One or more in alcohol laurate.
The anticorrosive is the one or more in BTA, sodium gluconate, sodium metasilicate.
The sterilized inhibitor is the one or more in Sang Pu IPBC- II, outstanding horse A, Kathon CG, Sang Pu G.
The solvent is deionized water and ethylene glycol.
Compared with prior art, the present invention has the advantages that：Gas leak detection agent product not oil-containing, the silicon of the present invention
And hazardous solvent, it can quickly, reliably position the gas of aero tyre, aircraft high and low pressure oxygen system and other oxygen systems
Body leak, and aircraft materials are not damaged, it is harmless to human body using rear noresidue.The surfactant component energy of addition
Quickly, the gas leak of aero tyre, aircraft high and low pressure oxygen system and other oxygen systems is reliably positioned, is connected
Continuous bubble.The sterilized inhibitor composition of addition can effectively suppress flourish and the breeding of bacterium, and with certain sterilized work
With mould test can be passed through.The anticorrosive composition of addition can ensure that the security performance of aircraft materials, corrosion-free.
Embodiment
The embodiment to the present invention is described in detail below, it is to be understood that protection scope of the present invention is not
Limited by embodiment.
Embodiment 1
A kind of aircraft gas leak detection agent, by the material composition of following parts by weight：0.8 part of lauryl sodium sulfate, AES
0.3 part, 0.5 part of anhydrous sorbitol laurate, 0.8 part of BTA, II 0.3 parts of Sang Pu IPBC-, outstanding horse A0.2 parts, second
10 parts of glycol, 87.1 parts of deionized water.
Said components are mixed, stirs and gas leak detection agent product is made.
Embodiment 2
A kind of aircraft gas leak detection agent, by the material composition of following parts by weight：2 parts of OP-10, cocounut oil acyl methyl ox
5 parts of sodium sulfonate, 0.2 part of BTA, sodium gluconate 0.5, outstanding 0.5 part of horse A, 10 parts of ethylene glycol, deionized water 82.3
Part.
Said components are mixed, stirs and gas leak detection agent product is made.
Embodiment 3
A kind of aircraft gas leak detection agent, by the material composition of following parts by weight：0.5 part of AES, anhydrous sorbitol month
5 parts of cinnamic acid ester, 0.5 part of sodium metasilicate, 0.6 part of Kathon CG, 10 parts of ethylene glycol, 82.4 parts of deionized water.
Said components are mixed, stirs and gas leak detection agent product is made.
Embodiment 4
A kind of aircraft gas leak detection agent, by the material composition of following parts by weight：5 parts of cocounut oil acyl methyl taurine sodium,
5 parts of anhydrous sorbitol laurate, 1.5 parts of sodium metasilicate, 0.8 part of sodium gluconate, 0.8 part of Sang Pu G, 10 parts of ethylene glycol is gone
76.9 parts of ionized water.
Said components are mixed, stirs and gas leak detection agent product is made.
Embodiment 5
A kind of aircraft gas leak detection agent, by the material composition of following parts by weight：0.8 part of lauryl sodium sulfate, AES
0.5,0.8 part of BTA, II 0.7 parts of Sang Pu IPBC-, outstanding 0.2 part of horse A, 10 parts of ethylene glycol, 87 parts of deionized water.
Said components are mixed, stirs and gas leak detection agent product is made.
Embodiment 6
A kind of aircraft gas leak detection agent, by the material composition of following parts by weight：0.5 part of 2 parts of OP-10, AES, coconut palm
5 parts of oleoyl N-methyltaurine sodium, 0.8 part of sodium gluconate, II 0.7 parts of Sang Pu IPBC-, outstanding 0.2 part of horse A, 10 parts of ethylene glycol,
80.8 parts of deionized water.
Said components are mixed, stirs and gas leak detection agent product is made.
Embodiment 7
A kind of aircraft gas leak detection agent, by the material composition of following parts by weight：0.8 part of lauryl sodium sulfate, OP-
10 0.3 parts, AES 0.5,5 parts of cocounut oil acyl methyl taurine sodium, 0.5 part of BTA, 0.3 part of sodium metasilicate, Kathon CG 0.5
Part, 0.3 part of Sang Pu G, 10 parts of ethylene glycol, 81.8 parts of deionized water.
Said components are mixed, stirs and gas leak detection agent product is made.
Embodiment 8
A kind of aircraft gas leak detection agent, by the material composition of following parts by weight：0.3 part of OP-10, AES 0.5, coconut palm
5 parts of oleoyl N-methyltaurine sodium, 3 parts of anhydrous sorbitol laurate, 0.5 part of sodium gluconate, 0.3 part of sodium metasilicate, Kathon CG
0.5 part, 0.2 part of Sang Pu G, 10 parts of ethylene glycol, 80 parts of deionized water.
Said components are mixed, stirs and gas leak detection agent product is made.
Embodiment 9
A kind of aircraft gas leak detection agent, by the material composition of following parts by weight：0.8 part of lauryl sodium sulfate, OP-
10 0.3 parts, AES 0.5,5 parts of cocounut oil acyl methyl taurine sodium, 3 parts of anhydrous sorbitol laurate, 0.5 part of BTA,
0.3 part of sodium metasilicate, II 0.5 parts of Sang Pu IPBC-, 0.2 part of Sang Pu G, 10 parts of ethylene glycol, 78.9 parts of deionized water.
Said components are mixed, stirs and gas leak detection agent product is made.
Performance test：Test program is write according to American army mark MIL-PRF-25567E, is tested.
1) foaming capacity
Tested, it is desirable at 49 DEG C, liquid foam height >=145mm, placed after 5min, liquid according to ASTM D1173
Body foam height >=130mm.
Result of the test：
Using the product of embodiment 2-4,6,8, liquid foam height can not reach requirement.
Using the product of embodiment 1,5,7,9, liquid foam elemental height >=145mm is placed after 5min, and liquid foam is high
Degree >=130mm.
2) corrosion test-surface
Tested, tested with the material of table 1 according to the requirement in MIL-PRF-25567E, two pieces of test boards
(every piece of 2.54cm × 15.24cm), every block of plate dries 2h after need to being cleaned with acetone in drier.0.1ml liquid is spread to every
After the area of block plate 50%, exposed to infrared lamp and dry (infrared lamp requirement：250 volts, away from plate 15cm).Gone after drying with substantial amounts of
Ionized water is rinsed well.It is required that plate face is glossy after cleaning, Visual Observations Observations are without obvious residual or film layer.It is required that there being plate face after cleaning
Gloss, Visual Observations Observations are without obvious residual or film layer.
Metal material used by the corrosion test of table 1.
Result of the test：
Using the product of embodiment 1,3,6, there is film layer generation after cleaning, the product of embodiment 6,8, plate face loses after cleaning
Gloss.
Using the product of embodiment 5,7,9, plate face is glossy after cleaning, and Visual Observations Observations are without obvious residual or film layer.
3) corrosion test-edge
Tested, tested with the material of table 1 according to 4.2.2.9 in MIL-PRF-25567E, by two pieces of test boards
(every piece of 2.54cm × 15.24cm) is fixed to clamp with clip, by 0.1ml liquid applicators after two edges of boards edge crevice places, 1min, then
By 0.1ml liquid applicators in two edges of boards edge crevice places.Substantial amounts of deionized water rinsing is used afterwards, is placed on 25 degrees Celsius of environment
Under be air-dried 2 hours.Check whether test specimen edge has corrosion.Carried out with identical method with reference to experiment, except no liquid
Smear, other steps are identical.Test panels corrosion condition can not be more than with reference to sheet material.
Result of the test：
Using embodiment 1,3,6-9 product, there is different degrees of corrosion.
Using the product of embodiment 2,5, test panels are corrosion-free.
4) fungus growth is tested
Tested according to MIL-PRF-25567E annexes A, there must not be any bacterium colony to produce in sample, table 2 is experiment institute
Use strain.
The experiment strain of table 2.
Note：Universal Microbiological Culture Collection administrative center of bacterium numbering China write in 1997《Strain catalogue》In
Bacterium numbering.
Result of the test：
Using embodiment 1-9 product, without fungus growth.
Disclosed above is only the specific embodiment of the present invention, and still, the present invention is not limited to this, any this area
What technical staff can think change should all fall into protection scope of the present invention.
Claims (5)
1. a kind of aircraft gas leak detection agent, it is characterised in that by the material composition of following parts by weight：Surfactant 0.2-
20 parts, 0.1-2 parts of anticorrosive, sterilized inhibitor 0.1-2 parts, 76-99.6 parts of solvent.
2. aircraft gas leak detection agent according to claim 1, it is characterised in that the surfactant is dodecyl sulphur
One or more in sour sodium, OP-10, AES, cocounut oil acyl methyl taurine sodium, anhydrous sorbitol laurate.
3. aircraft gas leak detection agent according to claim 1, it is characterised in that the anticorrosive be BTA,
One or more in sodium gluconate, sodium metasilicate.
4. aircraft gas leak detection agent according to claim 1, it is characterised in that the sterilized inhibitor is Sang Pu IPBC-
IIth, the one or more in outstanding horse A, Kathon CG, Sang Pu G.
5. aircraft gas leak detection agent according to claim 1, it is characterised in that the solvent is deionized water and/or second
Glycol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710227902.2A CN106950015A (en) | 2017-04-10 | 2017-04-10 | A kind of gas leak detection agent of aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710227902.2A CN106950015A (en) | 2017-04-10 | 2017-04-10 | A kind of gas leak detection agent of aircraft |
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| Publication Number | Publication Date |
|---|---|
| CN106950015A true CN106950015A (en) | 2017-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710227902.2A Pending CN106950015A (en) | 2017-04-10 | 2017-04-10 | A kind of gas leak detection agent of aircraft |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489682A (en) * | 2018-05-22 | 2018-09-04 | 大连科琳清洗化学有限公司 | Leak detection liquid and its preparation method and application |
| CN108613782A (en) * | 2018-04-13 | 2018-10-02 | 华阳新兴科技（天津）集团有限公司 | A kind of antirust leak-checking agent and preparation method thereof |
| CN108731885A (en) * | 2018-05-10 | 2018-11-02 | 诸城市福日机械有限公司 | A kind of rear axle housing leak test immersion liquid |
| CN110985777A (en) * | 2019-12-25 | 2020-04-10 | 中国航空工业集团公司西安飞机设计研究所 | Oxygen pipeline sealing performance improving method |
| CN113092028A (en) * | 2021-04-07 | 2021-07-09 | 广东润和新材料科技有限公司 | Aircraft oxygen system leak detection agent and preparation method thereof |
Citations (5)
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| US4249412A (en) * | 1978-12-11 | 1981-02-10 | Townsend Claude A Iii | Fluorescent leak detection composition |
| JP2003329533A (en) * | 2002-05-14 | 2003-11-19 | Tokyo Gas Co Ltd | Foam leakage airtightness inspection liquid of plastic pressure vessel or the like |
| CN1635181A (en) * | 2004-11-25 | 2005-07-06 | 长沙艾森设备维护技术有限公司 | Airplane cleaning agent |
| CN104034485A (en) * | 2014-06-12 | 2014-09-10 | 中国人民解放军63605部队 | Low-temperature leakage detecting liquid used for air tightness detection of liquid propellant storage and transportation device |
| CN106520349A (en) * | 2016-09-18 | 2017-03-22 | 武汉金安顺科技有限公司 | Novel environment-friendly release agent of metal templates and methods for preparing and using same |
-
2017
- 2017-04-10 CN CN201710227902.2A patent/CN106950015A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4249412A (en) * | 1978-12-11 | 1981-02-10 | Townsend Claude A Iii | Fluorescent leak detection composition |
| JP2003329533A (en) * | 2002-05-14 | 2003-11-19 | Tokyo Gas Co Ltd | Foam leakage airtightness inspection liquid of plastic pressure vessel or the like |
| CN1635181A (en) * | 2004-11-25 | 2005-07-06 | 长沙艾森设备维护技术有限公司 | Airplane cleaning agent |
| CN104034485A (en) * | 2014-06-12 | 2014-09-10 | 中国人民解放军63605部队 | Low-temperature leakage detecting liquid used for air tightness detection of liquid propellant storage and transportation device |
| CN106520349A (en) * | 2016-09-18 | 2017-03-22 | 武汉金安顺科技有限公司 | Novel environment-friendly release agent of metal templates and methods for preparing and using same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613782A (en) * | 2018-04-13 | 2018-10-02 | 华阳新兴科技（天津）集团有限公司 | A kind of antirust leak-checking agent and preparation method thereof |
| CN108613782B (en) * | 2018-04-13 | 2020-06-05 | 华阳新兴科技（天津）集团有限公司 | Antirust leak detector and preparation method thereof |
| CN108731885A (en) * | 2018-05-10 | 2018-11-02 | 诸城市福日机械有限公司 | A kind of rear axle housing leak test immersion liquid |
| CN108489682A (en) * | 2018-05-22 | 2018-09-04 | 大连科琳清洗化学有限公司 | Leak detection liquid and its preparation method and application |
| CN110985777A (en) * | 2019-12-25 | 2020-04-10 | 中国航空工业集团公司西安飞机设计研究所 | Oxygen pipeline sealing performance improving method |
| CN113092028A (en) * | 2021-04-07 | 2021-07-09 | 广东润和新材料科技有限公司 | Aircraft oxygen system leak detection agent and preparation method thereof |
| CN113092028B (en) * | 2021-04-07 | 2021-11-02 | 广东润和新材料科技有限公司 | Aircraft oxygen system leak detection agent and preparation method thereof |
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Application publication date: 20170714 |
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