Safe transportation of hazardous chemicals should pay attention to 6 aspects

Dangerous chemical products are flammable, explosive, poisonous, and easily polluted. Once an accident occurs in transportation, it can lead to serious accidents. The consequences are unimaginable. At the same time, it has brought considerable difficulties to rescue, and handling recycling is extremely tricky. It is worth noting that the vast majority of casualties are not passengers and crew, but are the villagers and passers-by who live in troubled locations. Such accidents should be given high priority.

Safe transportation of hazardous chemicals should pay attention to 6 aspects

The root cause of such accidents is that many drivers engaged in transportation of dangerous chemicals lack relevant knowledge, and the departments concerned have poor management of hazardous chemicals transportation. How to safely transport dangerous chemicals? Take the more common iron drum packaging and transportation as an example, pay attention to six aspects.

1. Transport vehicle driving to special car

According to the “Regulations on the Administration of Hazardous Chemicals Safety,” drivers and escorts must receive relevant laws, regulations, rules and safety knowledge, professional and technical training, understand the nature of the dangerous goods they are carrying, their hazardous characteristics, and emergency measures for accidents. After passing the examination, they can take jobs. Manufacturers must clarify to the driver the physical and chemical properties and precautions of the goods they carry before the product is shipped, such as product weight, flash point, toxicity, and expansion coefficient. For example, epichlorohydrin transported in barrels has a large expansion coefficient and is flammable. When filling, new barrels must be used, and full barrels must not be left. In the summertime, the sheds should be installed on the car and the awnings should be installed to facilitate air circulation and avoid direct sunlight. They should also apply for transport of dangerous goods to the relevant departments, hang small yellow flags and write the words “dangerous goods” for people's identification. In addition, we must bring several bungs seals, one or two wet sacks, a small amount of sand, and a special wrench, dry powder fire extinguisher, etc. to prevent urgent needs.

2. Some notes on the loading of goods on site

The process of transporting dangerous goods is actually a process of testing the responsibility of the driver. Care must be taken from the very beginning. Drum loading of hazardous chemicals seems simple, in fact, very particular about. The load should be balanced and balanced to achieve a vehicle and a cargo; various chemical dangerous goods can not be mixed to avoid chemical reaction after leakage; no gap can be left between the bucket and the bucket, and the gap should be filled with waste paperboard or woven bag; Automobile exhaust pipe should be equipped with flame arresters; iron floor cars should also be covered with a layer of grass or reed mats to avoid sliding during driving; then the goods should be tied together with ropes to ensure that they are securely loaded.

3. Medium speed driving, careful driving

Responsibility for transporting dangerous goods is heavier than Mount Tai. It is necessary to pick temperate, skilled and non-smoker drivers. The traffic should be "three courtesies first," and actively avoid all kinds of vehicles. Dodge potholes, do not open hero cars, gas cars, so that vehicles in the steady progress. Minimize the use of emergency brakes while driving to keep the goods stable. It is worth reminding that no matter what kind of chemical products are transported, tarpaulin should be stamped to prevent cigarette butts from falling during traffic crossing.

4. Diligent inspection during driving

Hidden dangers of dangerous goods transportation begin with leakage. Due to the bumpy vibration of vehicles during driving, they often cause damage to the packaging. Damage is often concentrated on three points: one is that the lid is not tightened or the sealing ring fails; the second is the iron drum. The weld seams and bucket ribs are damaged due to friction; third, the bottom of the bucket is damaged due to displacement during driving. Therefore, to check every two hours, whether there is overflow on the lid, use a special wrench to tighten it, if the seal fails, replace it; whether the filling between the iron buckets falls or not; there is no leakage liquid around the bottom of the carriage. If yes, you should find the leaking bucket and point the leaking point upwards; if the tied rope is loose, etc. It is worth reminding that in the hot season, the liquid will expand, slowly open when replacing the sealing ring, etc., let go of the gas and open it again to avoid opening the lid and injuring the person with an emergency liquid.

5. Choose the right route and time

Transportation of dangerous goods should be done on the main road of a national highway with smooth roads. It is not possible to take a road with a complicated road. Traveling far away from towns and residential areas must be checked again once it is not passable. Confirm that there is no leakage after safety. It is not possible to park, eat, and eat in urban streets and densely populated areas. In particular, tankers transport dangerous goods. Since all the jars are exposed, it is advisable to rest during the day during the day and drive at night to prevent the liquid from swelling. Avoid traffic and peak personnel during driving. In the event of a leak, if individual forces cannot be recovered, they must quickly move to empty areas and away from the crowds and water sources. In the event of a traffic accident, it is necessary to expand the scope of isolation and immediately report it to the relevant authorities.

6. Be careful of unloading to prevent contamination

Dangerous chemicals are toxic and corrosive. They can easily pollute the environment if they do not pay attention. In particular, liquid products can easily contaminate land and water sources. After long-distance transportation, the outer packaging has certain damage, especially when unloading. Where there is no dedicated platform, it is necessary to shop for a springboard or a wooden bar, pull the barrel with a rope and slowly land it, or use a waste tire to cushion it. And to inform the owner, the dangerous goods should be put on hold for a period of time, and then used after a variety of stable performance. It is worth reminding that if there are traces of leakage in the carriage, do not rush to clean it. Clean it with sawdust or sand first, let it dry, evaporate, and rinse with water away from the water source to avoid polluting the environment.


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