Jiangsu chemical companies go all out

Drying equipment

All over Jiangsu Province has ushered in hot summer weather and has entered the main season. In particular, since July, heavy rains have escalated in most areas, and squalls have been raging. Moreover, the Three Gorges Reservoir was opened to flood water for a short period of time before it was reserved. As a result, the water level along the Yangtze River in Jiangsu has rapidly risen and is now approaching the warning level. High temperatures and thunderstorms have brought many hidden dangers to the safe production of chemical companies in Jiangsu Province.

According to past experiences and lessons learned, the most important thing that should be closely watched and fortified at the moment is that the rivers and rivers invade the city. For this reason, the enterprises along the Yangtze River have poured and reinforced the dams with stones and cement in advance to enhance the flood resistance. At the same time, chemical companies have deployed large-scale pumps to prepare them for use at the time of major floods.

"Our company has prepared an emergency plan for flood prevention, organized a rescue team of 100 people with the fire brigade as the backbone, and organized a rescue team consisting of 200 militiamen as an aid force in case of an emergency; it has stocked 5,000 grasses. Bags, 5,000 woven bags, 100 wooden stakes and other types of flood control materials.” Wu Gonglin, Minister of Wuxi, Yangzi Petrochemical Company, told the reporter.

In addition, Yangzi Petrochemical dredged the underground pipe network in each installation area; implemented rainproof and anti-seepage measures in areas such as central control rooms, pump rooms, and warehouses; conducted special inspections on existing flood control engineering facilities; adopted production equipment and auxiliary facilities. Effective anti-leakage measures; maintenance and management of the pumps at Binhe Drainage and Irrigation Station were in good condition; the rainwater drainage mains and the public road rain drainage pipeline were cleared and dredged to ensure that the public roads in the production area did not accumulate water; Check the flood ditches and implement the flood control measures for flood prevention at the flood ditches to ensure smooth water flow during the flood season; strengthen the diversion scheme for rain and sewage to avoid environmental accidents caused by continuous rainstorms.

During the flood season, high-temperature and thunderstorms occur frequently, the air humidity is high, and the conductivity is increased, which can easily cause malfunction of the electrical equipment. While chemical production requires smooth operation and continuity, Huaqi should do everything possible to avoid unplanned temporary parking.

Guo Minggao, head of the Anhuan Department of Dana (Nanjing) Chemical Industry Co., Ltd., told reporters that in the severe weather such as thunderstorms and wind and rain, electrical equipment could easily trip and shut off due to lightning strikes, resulting in accidents such as the recirculation of water devices and production equipment. In addition, because most of the raw materials and products that the company currently uses are flammable and explosive, it is particularly prone to cause serious accidents such as burning and explosion if the company handles or disposes of these items when lightning strikes.

Guo Minggao said that in order to prevent the above-mentioned hidden dangers, the company set up a hidden risk management and control team, led by the company's leadership, the Ministry of safety, production, electrical instrumentation and other departments involved. They took three measures: First, they proposed the disposal requirements for lightning protection of electrical equipment, formulated the rules for handling operations, and organized special training for first-line operation staff, maintenance and electrical staff; second, they strengthened the on-site and public facilities. The intensity of the inspection of the operating conditions will enable them to discover hidden dangers at the first time, respond in a timely manner, and resolve them immediately. Third, strengthen the staffing of electric and maintenance equipment and ensure that professional engineers, electric instruments and maintenance staff are on duty 24 hours a day, ready to deal with emergencies. Happening.

"In order to cope with the sudden power outage caused by thunderstorms, the company has formulated a comprehensive emergency plan. In addition to the dual-circuit power supply system, diesel generator sets are also provided. This double insurance system can effectively ensure safe production in thunderstorms." Guo Minggao emphasized.

Zhang Junhua, head of the safety and security department at Nanhua Company, said that the company has focused on the implementation of spraying and cooling of key chemical storage tanks, warehouses, and other key parts, stepping up inspections, prohibiting over-temperature and over-pressure, and strengthening toxic substances and water prone to occur. The storage of chemical reaction materials shall prevent moisture, and the inspection and confirmation of flood control facilities shall be conducted. The organization shall clear the flood discharge ditch and strictly implement flood prevention materials in place. According to the characteristics of multiple electrical faults in the rainy season, the company's inspection and maintenance department established a patrol team. They routinely check important equipment every day and measure the temperature of each switch in the key distribution room. They recently completed the inspection and test work of 301 lightning arresters in the power distribution room, as well as the renovation of 146 anti-worn power equipment.

Many chemical companies' raw and auxiliary materials, finished products, etc., have water-rejection characteristics, and some, such as sodium metal, calcium carbide, and the risk of explosion in water; some once the leakage may cause serious environmental pollution accidents. Therefore, it is very important for chemical companies to do a good job in impervious management of warehouses.

The Jiangsu Changjiang Coatings Co., Ltd. learned that before the arrival of the high-temperature season in Meiyu, the company held a related meeting and the functional departments inspected the rain-flood switching system, the accident emergency pool, the grease trap, and all the valves and gates. Boards, pumps, etc. were maintained and tested to ensure proper operation. At the same time, they asked the workshops and departments to promptly clean and recycle spilled materials, prevent them from entering the rainwater drainage system, and arrange special personnel to be on duty 24 hours a day. Xie Juxing, the manager of the company's production-related safety work, told the reporter: “The company has strengthened the closed management of the entire production process and strictly controls the spillage of various materials. Despite the rigorous winds in recent days, even heavy rainstorms, due to our full preparation, In response, the company did not have any accidents."

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