Unlock instant, AI-driven research and patent intelligence for your innovation.

Sampling analysis system and detection method

A technology of sampling analysis and detection method, applied in sampling device, by measuring the acceleration and deceleration rate of fluid, using liquid/vacuum degree for liquid tightness measurement, etc. The measurement value is too high to avoid personal injury.

Inactive Publication Date: 2015-05-06
FOCUSED PHOTONICS
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Many industrial trace oxygen analysis systems or trace water analysis systems often have problems with high meter measurement values
[0004] 2. Industrial gas is corrosive to a certain extent (especially in chemical industry), and after gas leakage, it will cause corrosion of the components in the cabinet and pretreatment, and even lead to the paralysis of the entire system
[0005] 3. In some chemical industries where highly toxic gases are measured, the instrument maintenance personnel open the system cabinet door for maintenance without knowing the system leaks, which may cause casualties

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 more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Sampling analysis system and detection method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] figure 1 Schematically provides a simplified structural diagram of the sampling analysis system of the embodiment of the present invention, as figure 1 Shown, described sampling analysis system comprises:

[0051] A sampling probe, a first valve, a second valve, a filter, a third valve, a flow meter, a fourth valve, an analysis device, a fifth valve and a pump connected in sequence;

[0052] Positive pressure air source (using the back blowing air source originally configured in the system), the output ends of the positive pressure air source are respectively connected to the sixth valve and the seventh valve, and the output end of the sixth valve is connected to the sampling probe and the first valve. A pipeline between the valves, the output end of the seventh valve communicates with the pipeline between the first valve and the second valve;

[0053] A pressure sensor, the pressure sensor is arranged on the pipeline between the seventh valve and the second valve, or...

Embodiment 2

[0085] An application example of the sampling analysis system and detection method according to Embodiment 1 of the present invention in the monitoring of escaped ammonia.

[0086] In this application example, the pressure sensor is arranged on the pipeline between the seventh valve and the second valve. The analysis device includes a gas chamber and a laser spectroscopic gas analyzer. The positive pressure gas source is connected to the input end of the gas chamber through the eighth valve, the cleaning liquid is connected to the input end of the gas chamber through the ninth valve, and the tenth valve is connected to the output end of the gas chamber. The judging device is realized by hardware circuit, and the alarm device adopts sound and light alarm.

[0087] The above sampling and analysis system needs leak detection during operation, and the way of positive pressure leak detection is:

[0088] (A1) Close the first, sixth, and fifth valves, and the positive pressure air...

Embodiment 3

[0101] An application example of the sampling analysis system and detection method according to Embodiment 1 of the present invention in trace oxygen monitoring.

[0102] In this application example, the analysis device includes a gas chamber and a laser spectroscopic gas analyzer. The pressure sensor is arranged on the pipeline between the output end of the gas chamber and the fifth valve. The positive pressure gas source is connected to the input end of the gas chamber through the eighth valve, the cleaning liquid is connected to the input end of the gas chamber through the ninth valve, and the tenth valve is connected to the output end of the gas chamber. The judging device is realized by software, and the alarm device adopts sound and light alarm.

[0103] The above sampling and analysis system needs leak detection during operation, and the way of positive pressure leak detection is:

[0104] (A1) Close the first, sixth, and fifth valves, and the positive pressure air pr...

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

No PUM Login to View More

Abstract

The invention provides a sampling analysis system and a detection method. The sampling analysis system comprises a sampling probe, a first valve, a second valve, a filter, a third valve, a flow meter, a fourth valve, an analysis device, a fifth valve and a pump which are sequentially communicated, and further comprises a positive pressure air source and a pressure sensor, wherein the output end of the positive pressure air source is respectively communicated with a sixth valve and a seventh valve, and the output end of the sixth valve is communicated with a pipeline between the sampling probe and the first valve; the output end of the seventh valve is communicated with a pipeline between the first valve and the second valve, and the pressure sensor is arranged on a pipeline between the seventh valve and the second valve, or a pipeline between the analysis device and the fifth valve. The detection method provided by the invention has the advantages of rapidness in detection, high precision, accuracy and the like.

Description

technical field [0001] The invention relates to fluid sampling analysis, in particular to a sampling analysis system and a detection method. Background technique [0002] At present, the complete sets of industrial instrumentation systems generally do not have the function of pretreatment leak detection. Although the complete sets of instruments have leak detection inspections when they leave the factory, the instrument is prone to loosening or even falling off after the long-distance transportation of the instrument. Basically, there are only self-tests for instruments and electronic control parts, and there is no self-test leak function for the gas circuit part. It is completely necessary for the on-site customer to prepare materials for manual leak detection, which is very troublesome for customers. The road takes the initiative to perform manual leak inspection. If the pipeline in the field instrument pretreatment cabinet leaks, it will cause three types of problems: ...

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
no application Login to View More
IPC IPC(8): G01N1/14G01M3/28
Inventor 周势熊
Owner FOCUSED PHOTONICS