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CN107727323A - A kind of gas leakage detects liquid - Google Patents

A kind of gas leakage detects liquid Download PDF

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Publication number
CN107727323A
CN107727323A CN201711083467.7A CN201711083467A CN107727323A CN 107727323 A CN107727323 A CN 107727323A CN 201711083467 A CN201711083467 A CN 201711083467A CN 107727323 A CN107727323 A CN 107727323A
Authority
CN
China
Prior art keywords
gas
leakage
gas leakage
liquid
sodium
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.)
Pending
Application number
CN201711083467.7A
Other languages
Chinese (zh)
Inventor
张书艳
苗永健
刘金岚
孔翔宇
李琳
冯立德
焦文玲
耿文龙
王通
熊春宇
赵俊泽
田兴浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Kunlun Gas Co Ltd
Original Assignee
Petrochina Kunlun Gas Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Petrochina Kunlun Gas Co Ltd filed Critical Petrochina Kunlun Gas Co Ltd
Priority to CN201711083467.7A priority Critical patent/CN107727323A/en
Publication of CN107727323A publication Critical patent/CN107727323A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/12Investigating 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 leakage to detect liquid, solves the problems, such as that existing soap lye and bubble-water formation foam is unstable and is not suitable for detecting combustion gas leak source.Specifically include sodium n-alkylbenzenesulfonate, AEO, sodium sulfate of polyethenoxy ether of fatty alcohol, water, cocoanut fatty acid diethanolamide, sodium chloride, glycerine and glucose.The detection liquid foaming characteristic is good, stablize into bubble non-breakable, suspension type alarm institute not detectable micro- leakage, seepage etc. can economical, convenient, be rapidly checked, so as to effectively reduce resident's indoor gas system risk system, reduce gas damage amount, improves user terminal gas safety.

Description

A kind of gas leakage detects liquid
Technical field
The present invention relates to a kind of gas leakage to detect liquid.
Background technology
The daily life of natural gas and the common people contact more and more closely, and while many merits are possessed, there is also easy for it Fire explosive danger.Therefore increasing natural gas user end is checked oneself safely also particularly important with the self-test of gas.
The detection method of gas leakage is divided into active detecting and passive detection.
Active detecting:Periodic detection, such as methane detector are carried out using professional combustion gas leak detector.Its advantage is precision height, Detection is relatively accurate.Shortcoming is cost height, and usually gas company is special, beyond most common people's ability to accepts.
Passive detection:Detected using flammable gas alarm, when combustion gas leaks, alarm probe is felt Should, so as to alarm and cut off electromagnetic valve.Its advantage is valve can effectively to be cut off in gas leakage.Shortcoming is easy False alarm, it is fragile;And it can not be detected in time for the hidden seepage of micro- leakage or leakage position.Because can not be timely Detection, leak source long-term existence, not only wastes combustion gas resource, it is crucial that having buried potential safety hazard.
It is to rely on gas leakage survey meter and alarm that gas leakage, which monitors most important means, at present, but is still suffered from not Have professional detector, alarm be not installed or the environment of alarm device failure, in such cases, it is quick in conventional practice and Convenient method is to smear obtained soap lye conveniently in doubtful leakage pipeline section, and leakage is perceived by observing the production of soap bubble Point and leakage rate.
When suspection has gas leakage, most of gas enterprise recommended user uses soap, liquid detergent, detergent Deng, add water that soap lye is made, be applied to burner, sebific duct, valve ahead of gas stove, gas meter, flow meter, on ball valve, especially interface has bubble to heave Position be exactly leak source.Because the matched proportion density of soap lye is not sought unity of standard, in effect, the foaming characteristic of soap lye is poor, shows as The diameters of minute bubbles is small, is easily broken, it is difficult in heaps to be not easy to observe and judge.
The bubble-water that also a kind of children like, function is similar with soap lye, and process is actually detected, and bubble-water is also unstable into bubble Fixed, bubble is not frangible tough and tensile, is not used to the leak detection of indoor gas system.
Therefore, the result gathered materials on the spot is Detection results unobvious, and judged result has deviation, in people life property safety On the premise of weightier than Mount Tai, the development of special leak source detection liquid has great importance.
The content of the invention
In view of this, the present invention provides a kind of gas leakage detection liquid, efficiently solves monitoring instrument and detection blind spot be present, The problems such as soap lye and bubble-water Detection results unobvious.The detection liquid small tolerance effect under can rapidly produce uniformly, Stable, abundant foam, is easy to perceive the leakage point and leakage rate of gas burning system, or even position is hidden oozes to micro- leakage and leakage Leakage can also make effective observation and judge, greatly improve the degree of accuracy voluntarily hunted leak, and be the security of user terminal gas burning system Sound assurance is provided.
For achieving the above object, gas leakage of the invention detection liquid, including following component:
Sodium n-alkylbenzenesulfonate, AEO, sodium sulfate of polyethenoxy ether of fatty alcohol, water, glycerine and glucose.
Preferably, the gas leakage detection liquid, in addition to:
Cocoanut fatty acid diethanolamide.
Preferably, the gas leakage detection liquid, in addition to:
Inorganic salts.
Preferably, the inorganic salts, it is sodium chloride.
Preferably, the content of each component is respectively:Sodium n-alkylbenzenesulfonate 1.7%-2%, aliphatic alcohol polyethenoxy Ether 1.7%-2%, sodium sulfate of polyethenoxy ether of fatty alcohol 1.40%, cocoanut fatty acid diethanolamide 0.35%, water 60%, glycerine 35%, glucose 1.1%-1.2%, sodium chloride 0.18%;The content of each component is that each component weight accounts for detection liquid gross weight Percetage by weight.
The function declaration of gas leakage detection liquid of the present invention:
1st, compounded using anion surfactant and nonionic surfactant, there is the cooperative effect added with synergy, So as to play a part of improving lather quickness and foam stability, increase foaming quantity;
2nd, cocoanut fatty acid diethanolamide 6501 is a kind of nonionic surface active agent, but is used as increasing in this detection liquid Thick dose, there is foam stabilizing effect, further improve foam stability;
3rd, sodium chloride can neutralize the electric charge of Ionic surfactants-polar group, compression double electric layer, reduce charge density, It is embodied in the surface tension and critical micelle concentration of solution(CMC)Further reduce, be more beneficial for bubbling, further improve Lather quickness.
Beneficial effects of the present invention:
Detection liquid provided by the invention can find leakage rate in 30ppm and the minute leakage situation of the above, and in general detects liquid It can only control in 100ppm or so.In the case of micro- leakage or seepage, solution can quickly form many small-sized bubbles and stablize just In observation, with the continuation of minute leakage, the minute bubbles being initially formed can be shifted onto on one side and remained in that by the minute bubbles of rear Blister state will slightly form the minute bubbles heap of more amount so as to be easy to be observed without rupturing after the time.
Therefore, detection liquid provided by the invention has more stable leak detection effect, and foaming characteristic is good, stable not fragile into bubble It is broken, it is relatively inexpensive, convenient, rapid to check the leak positions such as the not detectable micro- leakage of suspension type alarm institute, seepage.Make residence The people can have found that combustion gas unsafe factor prevents to main inspection, active from passive consciously, so as to effectively reduce household Interior combustion gas system risk system, gas damage amount is reduced, improve user terminal gas safety.
Embodiment:
Below based on embodiment, present invention is described, but what deserves to be explained is, the present invention is not limited to these embodiments. Below to the present invention detailed description in, it is detailed to describe some specific detail sections.However, for no detailed description Part, those skilled in the art can also understand the present invention completely.
Meanwhile unless the context clearly requires otherwise, the otherwise " comprising " in entire disclosure and claims, "comprising" etc. Similar word should be construed to the implication included rather than exclusive or exhaustive implication;That is, it is " including but not limited to " Implication.
Specifically, describe in more detail the present invention with comparative example below in conjunction with specific embodiments:
Embodiment 1
By 1.5g sodium n-alkylbenzenesulfonates LAS, 1.5g AEO AEO-9,1.5g AEO Sodium sulphate AES, 0.5g cocoanut fatty acid diethanolamide, 60g water, 35g glycerine, 1g glucose, the mixing of 0.2g sodium chloride are equal After even, 60 DEG C are heated to, is uniformly mixed and detection liquid is made.
The gas leakage detects liquid usage:
For CH4The gas pipeline that concentration is less than 0.2% is leaked, takes appropriate solution to be placed in any vessel, liquid is dipped using hairbrush Body simultaneously abundant is applied on target gas pipeline to be detected.
The detection liquid is tested on gas pipeline of the identified leakage concentration in 30ppm, range estimation finds applying There is small-sized bubble immediately in the solution for smearing rear line leak, and stabilization of being bubbled after 1 minute does not rupture and is enriched in around leakage point. Timing counts to get, and non-arc bubble number is 57 when from average smearing to 1 minute, foaming speed in first unit minute Spend for 0.95/s.
Embodiment 2
By 2g sodium n-alkylbenzenesulfonates LAS, 2g AEO AEO-9,1.5g AEO sulfuric acid Sodium AES, 1g6501,60g water, 40g glycerine, 1g glucose, after 0.5g sodium chloride is uniform, is heated to 60 DEG C, is uniformly mixed The detection liquid is made.
Usage is the same as embodiment 1.
The detection liquid is tested on gas pipeline of the identified leakage concentration in 30ppm, range estimation finds applying There is small-sized bubble immediately in the solution for smearing rear line leak, and stabilization of being bubbled after 1 minute does not rupture and is enriched in around leakage point. Timing counts to get, and non-arc bubble number is 58 when from average smearing to 1 minute, foaming speed in first unit minute Spend for average 0.96/s.
Comparative example:
Comparative example 1
Suds concentrated solution(Non- fragrant dye soap)
Composition:Main component is odium stearate RCOONa;
Produce:One glass of water about 100mL is taken, by enough soap(Transparent soap)It is immersed in water about 24 hours, aqueous soup solution is made.
Under experimental situation same as Example 1, dip liquid using hairbrush and abundant be applied to target to be detected and fire In feed channel.Observe non-bubble in 60s.
Comparative example 2
Washing powder fortified aqueous
Composition:LAS(To neopelex)20 %, AS(Lauryl sodium sulfate)10%, sodium sulphate 30%, sodium carbonate 7%, sodium metasilicate 5%, STPP(Sodium tripolyphosphate)25%, complex enzyme 2%, CMC(Carboxymethyl cellulose)1%, brightening agent ≈ 0.1%, color Element, essence ≈ 0.1%(Above each component is mass percent);
Produce:One glass of water about 100mL is taken, by 30g washing powder(About 10 small spoonfuls cooking salt spoons)Stirred evenly in input water, laundry is made Amidin.
Under experimental situation same as Example 1, dip liquid using hairbrush and abundant be applied to target to be detected and fire In feed channel.Observe in 20s and do not bubble, non-arc bubble number is 4 when from average smearing to 1 minute, first list Lather quickness is average 0.07/s in the minute of position.
Comparative example 3
Liquid detergent fortified aqueous.
Under experimental situation same as Example 1, dip liquid using hairbrush and abundant be applied to target to be detected and fire In feed channel.Observe in 10s and do not bubble, non-arc bubble number is 20 when from average smearing to 1 minute, first list Lather quickness is average 0.33/s in the minute of position.
Comparative example 4
The child bubble aqueous solution.
Buy market.
Under experimental situation same as Example 1, dip liquid using hairbrush and abundant be applied to target to be detected and fire In feed channel.Observe that from average smearing non-arc bubble number is 40 during to 1 minute, bubbles in first unit minute Speed is average 0.66/s.
From the comparison of above example and comparative example it can be found that the gas leakage more various soap lyes of detection liquid of embodiment and Bubble-water, there are faster lather quickness, more quantity, and caused bubble is stably not easily broken, pushing away over time Many minute bubbles for being easy to observation can be formed by, which moving, is enriched in around the air leakage point of micro- leakage, therefore, combustion gas leak source of being also more convenient for Detection.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art For, the present invention can have various changes and change.All any modifications made within spirit and principles of the present invention, it is equal Replace, improve etc., it should be included in the scope of the protection.

Claims (5)

1. a kind of gas leakage detects liquid, it is characterised in that including following component:
Sodium n-alkylbenzenesulfonate, AEO, sodium sulfate of polyethenoxy ether of fatty alcohol, water, glycerine and glucose.
2. gas leakage according to claim 1 detects liquid, it is characterised in that:The gas leakage detects liquid, in addition to: Cocoanut fatty acid diethanolamide.
3. liquid is detected according to any described gas leakage in claim 1 and 2, it is characterised in that:The gas leakage detection Liquid, in addition to:Inorganic salts.
4. gas leakage according to claim 3 detects liquid, it is characterised in that:The inorganic salts, it is sodium chloride.
5. liquid is detected according to any described gas leakage in claim 1,2 and 4, it is characterised in that according to each component weight The percetage by weight for accounting for detection liquid gross weight calculates, and the content of each component is respectively:
Sodium n-alkylbenzenesulfonate 1.7%-2%,
AEO 1.7%-2%,
Sodium sulfate of polyethenoxy ether of fatty alcohol 1.40%,
Cocoanut fatty acid diethanolamide 0.35%,
Water 60%,
Glycerine 35%,
Glucose 1.1%-1.2%,
Sodium chloride 0.18%.
CN201711083467.7A 2017-11-07 2017-11-07 A kind of gas leakage detects liquid Pending CN107727323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711083467.7A CN107727323A (en) 2017-11-07 2017-11-07 A kind of gas leakage detects liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711083467.7A CN107727323A (en) 2017-11-07 2017-11-07 A kind of gas leakage detects liquid

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CN107727323A true CN107727323A (en) 2018-02-23

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108956038A (en) * 2018-07-27 2018-12-07 山东溢华阀业有限公司 A kind of standard mouth sealing performance test agent
CN109084938A (en) * 2018-07-27 2018-12-25 山东溢华阀业有限公司 A kind of standard mouth leaks hunting agent
CN112774455A (en) * 2020-12-18 2021-05-11 武汉艾科滤膜技术有限公司 Dry state leakage detection method for column type hollow fiber ultrafiltration membrane component
CN116793599A (en) * 2023-06-30 2023-09-22 英德市西洲气体有限公司 Gas leakage detecting agent and preparation method thereof
CN117035396A (en) * 2023-07-04 2023-11-10 北京市燃气集团有限责任公司 Gas safety interlocking protection method, system and electronic equipment

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53106189A (en) * 1977-02-28 1978-09-14 Nippon Sekiyu Yusou Kk Bubbling fluid for gas leak inspection
US5284603A (en) * 1992-06-03 1994-02-08 Colgate Palmolive Co. Gelled detergent composition having improved skin sensitivity
CN1238683A (en) * 1996-10-25 1999-12-15 普罗克特和甘保尔公司 Cleansing products
CN101507700A (en) * 2008-03-12 2009-08-19 北京绿岛缘蜂产品有限公司 High-efficiency sterilization shower cream
CN101717221A (en) * 2009-11-24 2010-06-02 中国矿业大学(北京) Foaming agent for soil engineering
CN102367399A (en) * 2011-05-25 2012-03-07 王国松 Sanitation bubbles
CN103540436A (en) * 2013-09-27 2014-01-29 安徽华印机电股份有限公司 Pesticide residue removing liquid detergent
CN105198269A (en) * 2015-09-01 2015-12-30 北京铁五院工程机械有限公司 Foaming agent for low temperature-resistant soil pressure balance shield, and preparation method and application of foaming agent

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53106189A (en) * 1977-02-28 1978-09-14 Nippon Sekiyu Yusou Kk Bubbling fluid for gas leak inspection
US5284603A (en) * 1992-06-03 1994-02-08 Colgate Palmolive Co. Gelled detergent composition having improved skin sensitivity
CN1238683A (en) * 1996-10-25 1999-12-15 普罗克特和甘保尔公司 Cleansing products
CN101507700A (en) * 2008-03-12 2009-08-19 北京绿岛缘蜂产品有限公司 High-efficiency sterilization shower cream
CN101717221A (en) * 2009-11-24 2010-06-02 中国矿业大学(北京) Foaming agent for soil engineering
CN102367399A (en) * 2011-05-25 2012-03-07 王国松 Sanitation bubbles
CN103540436A (en) * 2013-09-27 2014-01-29 安徽华印机电股份有限公司 Pesticide residue removing liquid detergent
CN105198269A (en) * 2015-09-01 2015-12-30 北京铁五院工程机械有限公司 Foaming agent for low temperature-resistant soil pressure balance shield, and preparation method and application of foaming agent

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
巢强国: "《日化产品检验技术》", 30 April 2014, 中国质检出版社 *
徐成海: "《真空低温技术与设备》", 30 April 1995, 冶金工业出版社 *
李有良: "《工业炸药生产技术》", 30 April 2016, 北京理工大学出版社 *
梁红: "《化学工程与工艺专业实验》", 30 April 2009, 广东科技出版社 *
段予忠: "《塑料母料生产及应用》", 31 August 1999, 中国轻工业出版社 *
赵易成: "《实用燃烧技术》", 31 May 1992, 冶金工业出版社 *
陈小燕: "实际污渍洗涤的洗衣液配方研究", 《中国洗涤用品工业》 *
黄玉源: "《精细化工配方常用原料手册》", 31 March 1998, 广东科技出版社 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108956038A (en) * 2018-07-27 2018-12-07 山东溢华阀业有限公司 A kind of standard mouth sealing performance test agent
CN109084938A (en) * 2018-07-27 2018-12-25 山东溢华阀业有限公司 A kind of standard mouth leaks hunting agent
CN112774455A (en) * 2020-12-18 2021-05-11 武汉艾科滤膜技术有限公司 Dry state leakage detection method for column type hollow fiber ultrafiltration membrane component
CN116793599A (en) * 2023-06-30 2023-09-22 英德市西洲气体有限公司 Gas leakage detecting agent and preparation method thereof
CN116793599B (en) * 2023-06-30 2024-02-06 英德市西洲气体有限公司 Gas leakage detecting agent and preparation method thereof
CN117035396A (en) * 2023-07-04 2023-11-10 北京市燃气集团有限责任公司 Gas safety interlocking protection method, system and electronic equipment

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Application publication date: 20180223