Device and method for rapid analysis of methane content in air
A methane content, rapid analysis technology, applied in the direction of measuring devices, analysis materials, material weighing, etc., can solve the problems of inconvenient maintenance, narrow detection range, low analysis accuracy, etc., to achieve no consumables, wide detection range, universality strong effect
Active Publication Date: 2020-10-27
MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
View PDF2 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0006] The purpose of the present invention is to provide a rapid analysis device and method for methane content in air, the method is simple, the analysis is fast and accurate, the detection range is wide, the cost is low, and the adaptability is strong, so as to solve the existing problems of the methane content analysis method in the air. Problems such as low analysis accuracy, narrow detection range, and inconvenient maintenance
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0036] Such as figure 1As shown, the present embodiment provides a kind of rapid analysis device of methane content in the air, comprises standard gas tank 4, first container 12 and second container 22, and the input end of first container 12 is connected with the first inlet branch and The second air intake branch, the first air intake branch is connected with the first valve 2 for injecting the gas to be analyzed, the second air intake branch is connected with the standard gas tank 4 through the second valve 3, and is used for injecting the standard gas , the first air intake branch and the second air intake branch are connected in parallel to form an air intake;
[0037] The input end of the first container 12 is also connected with a heat exchanger 11, and the heat exchanger 11 communicates with the air inlet; the output end of the first container 12 is connected with the input end of the second container 22 by an output branch, and the output branch includes the first An...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| volume | aaaaa | aaaaa |
Login to View More
Abstract
The invention discloses a rapid analysis device and method for methane content in air. The device comprises a standard gas tank, a first container and a second container, wherein an input end of the first container is connected with a first gas inlet branch and a second gas inlet branch; the first gas inlet branch is connected with a first valve; the second gas inlet branch is connected with the standard gas tank through a second valve; the first gas inlet branch and the second gas inlet branch are connected in parallel to form a gas inlet; the input end of the first container is further connected with a heat exchanger; the heat exchanger is communicated with the gas inlet; an output end of the first container is connected with the input end of the second container through an output branch; the output branch comprises a first output branch and / or a second output branch; the gas inlet, the first container and the second container are connected with a vacuum pump. By adopting the rapid analysis device and method, disclosed by the invention, rapid and accurate analysis of the methane content in the air can be realized and a detection range is wide; a whole body can realize automationand the method is simple; the cost is low and consumable items are not needed; the device is compact in structure and does not need to be maintained.
Description
technical field [0001] The invention relates to the technical field of industrial safety monitoring, in particular to a rapid analysis device and method for methane content in air. Background technique [0002] Methane gas is one of the main factors that seriously threaten the safe production of petroleum, chemical, coal and other industries. In recent years, the safety accidents caused by it are still frequent, and the safety production situation is still very serious. The rapid and accurate measurement of methane content in the air , Continuous monitoring is an important guarantee for modern industrial safety production. [0003] At present, methane detection used in industrial processes mainly includes methane measurement alarms, power-off devices, sensors, spectroscopic methods, and chromatographic methods based on various catalytic combustion principles. Although these methods are improving day by day with the development of instrument science, there are still many bot...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/00
CPCG01N5/00
Inventor 杜杰王丽萍谭欣欣唐金强朱宏志宋智蓉
Owner MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS