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Tianjin big bombings has been more than 10 days fermentation, set off a national hazardous chemical warehouse check: on August 19, the state council Ann so 11 inspection line arrive in changji, operation and use of the site to prevent dust to dust explosion work on specific inspection; From August 20 to 24, jiangsu province, chengdu, nanning, heze, advocates around the state were opened fire explosion-proof safety check... Tianjin the cause of the accident what is the big bang, however, official has still not decided yet.

Why is stored in the logistics center of hazardous chemicals will explode? Why is that? To sort out this problem, need to start from hazardous chemicals. Dangerous chemicals mainly refers to the flammable, explosive, toxic, corrosive chemicals. In view of the dangers of these chemicals, their storage transportation environment is also very special. Such as chemical industry, electronics, flavors, inflammable and explosive dangerous goods, such as alcohol, ethanol requires explosion-proof cold storage to store transport.

Perhaps most people do not know what to do is explosion-proof refrigerator. In view of the different types of hazardous chemicals and dangerous, explosion-proof cold storage have different level of explosion-proof, explosion-proof marks for IICT4 explosion protection level belongs to the highest level, the ignition temperature of 135 ~ 200 ℃, can withstand the high temperature of 450 degrees without deformation. To build explosion-proof cold storage, all aspects need to be considered: the chemical and physical properties of the goods itself, construction site and the surrounding environment of explosion-proof design, cold storage, cold storage of explosion-proof explosion-proof main parts and materials, cold storage explosion-proof measures such as the ground of the window, safety emergency channel and goods safety distance, the daily maintenance of explosion-proof cold storage test, etc., and refrigeration industry some inexperienced small companies, for these details is not considerate, even trust companies, there is every company is in the details of explosion-proof processing has a different method, the overall explosion-proof refrigerator design, but the majority of the company's confidential, shall not be exported. Tianjin port logistics is enormous, built by the company has more than one, whether there is a different company to build the design of the conflict, or is physical and chemical reaction of the hazardous chemicals storage conflict, now is not clear.

Many explosion-proof cold storage while size less than tianjin port logistics, but reassuring explosion-proof measures in place. Henkel chemical technology (Shanghai) co., LTD., explosion-proof cold storage, in addition to the unit explosion-proof, also choose FM certification B1 level of flame retardant polyurethane double-sided color steel plate; In order to real-time monitor the temperature inside the refrigerator, equipped with independent temperature monitoring equipment, the temperature will report to the police. In the end, they will be cold storage of around 15 meters range are classified as class a warehouse explosion proof of danger, not to use it.

Have news of tianjin port logistics storage the overload of dangerous chemicals, sorry for this, because at present how to build logistics port are stored for explosion-proof refrigerator, how much can be stored for, there is currently no very specific industry standards, only the approval. But what is certain is that through various design review, construction, storage capacity is much, overload store is absolutely not be rules allow.

History always strikingly similar, the same is in August, is also for warehouse explosion, also adjacent to the port terminals, as well as for secondary explosions killing hundreds of thousand... But the explosion impact than in 93, shenzhen water river in tianjin also affects the heart. In shenzhen after the big bang has adopted a series of measures: accident liability, relocation area, fuel storage services location, etc., are far-reaching. Hopefully, looking forward to the battle by the big bang in tianjin, for the national logistics storage for security situation brings fundamental improvement.