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Pipeline gas sensor to prevent suffocation from pipeline gas poisoning in summer

by:Rika Sensors     2021-10-06
Pipeline gas sensor to prevent suffocation from pipeline gas poisoning in summer
At around 10 o'clock on June 6, 2019, Tangshan Double Happiness Property Co., Ltd. occurred in the process of dredging the pipeline in the sewage cellar well in the front square of Qianrun City Supermarket, Qinglonghu Commercial Street, Caofeidian New City, Caofeidian District, Tangshan City. 3 people were killed.

At 6:10 pm on May 26, 2019, when Country Garden Jade County, Jinan New District, Handan City commissioned Henan Shengjin Construction Engineering Co., Ltd. to dredge the underground sewage pipe network of the community, a poisoning and suffocation accident occurred, causing a total of 2 people Death.

On June 21, 2017, an accident occurred in Yan'an City. 4 workers fainted during the process of dredging the sewage inspection well. 3 people died on the spot and 1 died after rescue.

Tragedies like this happen every year. Especially in summer, the temperature in the limited space rises, and the risk of poisoning and suffocation accidents in limited space operations is significantly increased, which poses a great threat to the life and safety of operators. So what is limited space?

What is the hazard in a limited space?

1. Poisoning by rancid and toxic gas

The main component of the gas generated by the corrosives in the sewage pipe is hydrogen sulfide. This gas will be poisoned and suffocated after being inhaled by the operator, and it will lead to death in severe cases.

2. Burning and explosion of corroded gas

There is combustible and explosive biogas (gas) in the corroded gas in the sewage pipe. When its content accounts for a certain proportion, you will encounter smoking or The spark of the lighter exploded, causing a major safety accident.

3. Suffocation due to lack of oxygen

When the pipeline is operated with a high concentration of corrosive gas, the oxygen in the air is replaced, when the oxygen content is only 11%-22% of the total air, Within 5-6 minutes, the operator can become unconscious and lose consciousness, thereby causing personal hazards.

How to find the problem in time?

In order to detect the occurrence of such problems in time and end in the budding state, it is necessary to ensure that the real-time situation in the pipeline is grasped at all times. This work is difficult to do manually, and it is also very dangerous. Intelligent facilities to achieve.

RS-O2-*-*Pipeline oxygen sensor adopts imported first-line brand electrochemical oxygen sensor, which has the characteristics of rapid response and strong anti-interference ability. After our unique compensation algorithm, multi-stage standard gas calibration, it also has the characteristics of long life, high precision, high repeatability and high stability. Range 0-25%VOL, can be customized. The measurement accuracy is high, within ±3% FS, and the repeatability is within 1%. , The equipment adopts waterproof shell design, pipeline installation method, convenient on-site installation, and anti-interference circuit design, which can withstand various strong electromagnetic interferences such as on-site inverters.

RS-H2S-*-*Pipeline sulfur dioxide sensor adopts imported first-line brand electrochemical sulfur dioxide sensor, which has the characteristics of rapid and sensitive response and strong anti-interference ability. After our unique compensation algorithm, Multi-stage standard gas calibration also has the characteristics of long life, high precision, high repeatability and high stability. Range 0-100ppm, can be customized; high measurement accuracy, up to ±3% FS, repeatability up to 2%; optional high-quality OLED display, the value can be viewed directly on site, and can be clearly displayed at night; The pipe-type waterproof shell is easy to install and has a high degree of protection, which can be used in harsh on-site environments.

RS-CH4-*-*Pipeline methane sensor has the characteristics of strong safety, fast response speed, and strong anti-interference ability. After our unique compensation algorithm, multi-stage standard gas calibration, it is also It has the characteristics of long life, high precision, high repeatability and high stability. Use explosion-proof ExdIMb explosion-proof sensor, stable and durable; range 0-100% LEL, can be customized; high measurement accuracy, up to ±5% FS, repeatability up to 2%; optional high-quality OLED display , The value can be directly viewed on site, and can be clearly displayed at night; the use of anti-interference circuit design can withstand various strong electromagnetic interference such as on-site inverters.

System function:

1. Install the gas detector in the pipeline, install the detector according to the actual site conditions, and monitor the real-time concentration of oxygen, methane, and hydrogen sulfide everywhere.

2. Install a gas control alarm at intervals to receive the monitoring data of the gas detector in this section of the pipe gallery. Gas control alarms can also be installed centrally.

3. The gas control alarm can directly transmit data to the cloud platform by way of 485 transmission, and view and display it through smart terminals such as mobile phones, tablets, computers, and large screens in the monitoring center.

4. If a certain gas exceeds the limit in a certain place, the smart terminal will receive an alarm message and deal with the fault or problem in a timely manner.

Finally, you must pay attention to pipeline work in the summer!

The important thing is said three times!

Strictly abide by 'ventilate first, then test, then work'

strictly abide by 'ventilate first, test then, work after'

strictly follow 'ventilate first, test then, work after'

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