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A characteristic response material for monitoring and detecting hydrogen sulfide gas leakage and its preparation method

A characteristic response and gas leakage technology, applied in material analysis by observing the influence of chemical indicators, by detecting the appearance of fluid at the leakage point, analyzing materials, etc., can solve problems such as hidden dangers to the personal safety of operators, and achieve construction Convenience, excellent recycling performance, and high sensitivity

Active Publication Date: 2022-04-15
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most oil and gas fields in the world, especially those in undeveloped regions, still partly rely on manual portable gas detectors for patrol inspection, which can neither realize full coverage detection of equipment, pipelines and typical connection parts in time and space, nor affect the personal safety of operators. Safety poses a great hidden danger

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038]20 g of grape seeds were crushed and soaked in anaerobic water, extracted under dark conditions for 24 hours, and then vacuum-dried to obtain anthocyanin powder. Get 40 parts of dried anthocyanin powder and add in the mixed solution that is made of 40 parts of benzoic acid, 17 parts of 1-butyl-3-methylimidazolium tetrafluoroborate and 3 parts of Candida antarctica lipase B, and then React at 45°C for 8 hours, and use chromatography to separate and purify the modified anthocyanins. Then take 5 parts of modified anthocyanins and 68 parts of polyurethane, 8 parts of TiO with a particle size of 580 nanometers and a porosity of 38%. 2 The microspheres were immersed in 19 parts of ethanol-water solvent with a volume ratio of 5:5, stirred at a high speed at a speed of 3000r / min, and the stirred mixed solution was coated on the surface of 2cm×5cm×0.03cm filter paper and 5cm×5cm× At the same time, pour the mixed solution into a spherical mold with a diameter of 3 cm, and cure it...

Embodiment 2

[0042] 20 g of purple cabbage was crushed and soaked in anaerobic water, extracted under dark conditions for 24 hours, and then vacuum-dried to obtain anthocyanin powder. Get 40 parts of dried anthocyanin powder and add in the mixed solution that is made of 35 parts of oxalic acid, 15 parts of 1-butyl-3-methylimidazolium tetrafluoroborate and 3 parts of Candida antarctica lipase B, then in React at 45°C for 8 hours, and use chromatography to separate and purify the modified anthocyanins. Then take 10 parts of modified anthocyanins and 60 parts of acrylic resin, 6 parts of TiO with a particle size of 580 nanometers and a porosity of 38%. 2 The microspheres were immersed in 24 parts of ethanol-water solvent with a volume ratio of 5:5, stirred at a high speed at a speed of 3000r / min, and the stirred mixed solution was coated on the surface of 2cm×5cm×0.03cm filter paper and 5cm×5cm× At the same time, pour the mixed solution into a spherical mold with a diameter of 3 cm, and cure...

Embodiment 3

[0046] 20g of Lycium barbarum black fruit was crushed and soaked in anaerobic water, extracted under dark conditions for 24 hours, and then vacuum-dried to obtain anthocyanin powder. Get 40 parts of dried anthocyanin powder and add in the mixed solution that is made of 30 parts of acetic anhydride, 20 parts of 1-butyl-3-methylimidazolium tetrafluoroborate and 5 parts of Candida antarctica lipase B, then React at 45°C for 8 hours, and use chromatography to separate and purify the modified anthocyanins. Then get 14 parts of modified anthocyanins and 70 parts of polyurethane, 10 parts of TiO with a particle size of 580 nanometers and a porosity of 40%. 2 The microspheres were immersed in 20 parts of ethanol-water solvent with a volume ratio of 5:5, stirred at a high speed at a speed of 3000r / min, and the stirred mixed solution was coated on the surface of 2cm×5cm×0.03cm filter paper and 5cm×5cm× At the same time, pour the mixed solution into a spherical mold with a diameter of 3...

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PUM

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Abstract

The invention provides a characteristic response material and a preparation method thereof, in particular to a characteristic response material for monitoring and detecting hydrogen sulfide gas leakage and a preparation method thereof; the hydrogen sulfide gas response material consists of a matrix material, a modified color Glycosides and TiO 2 Prepared from raw materials such as porous microspheres, matrix materials, modified anthocyanins and TiO 2 The mass percentages of the porous microspheres are: 60-70%: 5-15%: 2-10%; the responsive material can be used in the fields of petrochemical, natural gas and coal chemical industries, and can solve the problem of detecting a large amount of hydrogen sulfide gas in the prior art. Relying on the shortcomings of precision instrument airtight detection or manual carrying operation detection, it has technical effects such as wide monitoring coverage, high sensitivity, visual visibility and convenient construction; it can also be used with anti-corrosion protection materials to achieve wrapping protection and vulcanization of connection parts Integration of hydrogen gas corrosion leakage monitoring.

Description

technical field [0001] The invention relates to a characteristic response material and a preparation method thereof, in particular to a characteristic response material for monitoring and detecting hydrogen sulfide gas leakage and a preparation method thereof. Background technique [0002] Responsive materials refer to a class of special materials whose surface or internal molecular structure or state will change greatly when the external environment (such as pH value, light, temperature, voltage and gas, etc.) changes. This property of sensitive response to environmental changes can lead to large changes in the physical or chemical properties of materials, which can be detected by human senses or simple instruments. [0003] Hydrogen sulfide is an irritating and suffocating acidic and highly toxic gas. When the concentration of hydrogen sulfide molecules in the air reaches 15ppm, the contact person will lose consciousness, apnea and olfactory system inactivation. When the h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M3/04G01N21/78C09D175/04C09D7/63C09D7/61C09D133/04C09D163/00C09D167/08C09D161/06C09D153/02C09D127/06C09D101/28
CPCG01M3/04G01N21/783C09D175/04C09D7/63C09D7/61C09D7/70C09D133/04C09D163/00C09D167/08C09D161/06C09D153/02C08K2003/2296C08K2003/2241C08K7/24C08K9/04C08K5/0041C08L27/06C08L1/28C08K3/22C08K13/06
Inventor 唐鋆磊李诗雨张海龙林冰王莹莹
Owner SOUTHWEST PETROLEUM UNIV
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