According to the news released on the 28th by @Jishi, at 21:30 on February 27, the high-voltage cable was short-circuited during the production process of Jilin Chemical Fiber Company, causing some exhaust equipment in a production workshop to stop operating. The power supply was restored at 23:10. Workers in related positions inhaled toxic gas while preparing to resume production and were quickly sent to a professional hospital for treatment. Five people died after rescue efforts. Eight injured people have stable vital signs and no life-threatening.

After the accident, the local party committee and government rushed to the scene to direct rescue and set up an on-site accident handling team, an accident investigation team, an environmental monitoring team, a medical treatment team, and a aftermath work team to do their best to deal with all emergency work and go to the hospital. Organize professional forces to spare no effort to treat the wounded.

At present, the accident site has been processed, the ventilation system has been fully restored, and all secondary disaster factors have been eliminated. After the ecological environment department monitored the plant and the surrounding environment, no harmful gas was detected. Investigation into the cause of the accident is ongoing.

Although the accident has been dealt with, the lives lost due to the leakage of toxic and harmful gases cannot be saved.

On November 24, 2013, General Secretary Xi Jinping emphasized safety in production and insisted on preventing problems before they happen. We must continue to carry out large-scale inspections of production safety and achieve "full coverage, zero tolerance, strict law enforcement, and emphasis on actual results." Establish a public safety hazard investigation and safety prevention and control system, promote the transformation of hidden danger investigation and management from departmental administrative law enforcement to corporate daily self-examination and self-correction, vigorously promote technological innovation, continue to strengthen infrastructure, and comprehensively improve the level of intrinsic safety.

Establishing a comprehensive, all-round, and systematic safety monitoring system to achieve precise, reliable, and intelligent safety monitoring of toxic, harmful, toxic, harmful, flammable and explosive dangerous gases is what all chemical companies need to pay attention to and implement quickly. task.

Laser absorption spectroscopy technology is currently the most advanced gas detection technology in the world. Hanhai Opto-electronic is the holding company of national laser absorption spectroscopy detection scientific research achievements, and it is a leader in technology and market applications in this field. Products and technologies have always been at the forefront of global laser spectroscopy technology R&D and application, and have the overall advantages of leading domestic and international advanced recognized by the former State Administration of Work Safety.

Compared with the traditional point-type chemical reaction principle monitoring equipment currently used, Hanhai Technology's laser monitoring products have the following advantages:

1. Active telemetry:

Large-area overall coverage monitoring, unlike traditional point-type equipment that passively waits for gas, and only effectively monitors a very small area around the equipment, laser equipment can actively detect gas, and multi-device networking can achieve regional coverage monitoring.

2. High sensitivity:

with millisecond-level response speed, it can detect even small gas concentration changes in the first time, avoid false alarms, and achieve timely warning.

3. High monitoring accuracy:

The laser can achieve "fingerprint" detection, only responds to the target gas, can accurately reflect the real-time gas concentration distribution in the warehouse, without false alarms, and provide reliable and effective guidance for safety management.

4. No need for regular calibration:

The laser monitoring equipment adopts non-contact detection, which has almost no loss to the equipment itself, so it does not need to be calibrated frequently, and has a long service life, saving a lot of subsequent maintenance and equipment replacement costs.

5. Passive monitoring can be realized at the monitoring site:

The monitoring site can realize specific monitoring points without power supply, so as to realize large-scale, regional-level, active, high-sensitivity monitoring, and anti-electromagnetic interference.

6. It can detect more than 20 kinds of gases:

In addition to the most common gases such as methane, ethylene, hydrogen sulfide, and hydrogen chloride, various dangerous gases that are oxidized or volatilized by some dangerous chemicals can be monitored. At present, laser detection of more than 20 kinds of toxic, harmful, flammable and explosive gases has been realized.