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A flexible hose is an essential piece of equipment in the storage and transportation of hazardous chemicals; it refers to a category of tubular components and devices that can be extended and retracted. It is mainly used for the loading and unloading of liquid hazardous chemicals in the petrochemical industry, and its design features include high safety, flexibility, and precise operation. I. In the storage and transportation of hazardous chemicals, the importance of transfer hoses is evident in the following aspects: 1) Improved efficiency: Transfer hoses enable the rapid and efficient transfer of liquids or gases from transport vehicles to designated locations, thereby greatly enhancing the efficiency of loading and unloading operations. They are particularly suitable for large-scale, high-frequency storage and transportation of hazardous chemicals. 2) Cost reduction: Flexible and easy to operate, flexible hoses require minimal manual effort, thereby reducing a company’s operating costs. Efficient loading and unloading operations mean faster inventory turnover and lower inventory costs, which helps improve a company’s economic efficiency. 3) Ensuring safety: Flexible hoses are typically made from high-quality materials and manufactured using precise processes, giving them excellent sealing properties. This helps to prevent leaks of hazardous chemicals during loading and unloading, thereby ensuring the safety of personnel and reducing risks. Some flexible hoses are also equipped with emergency response devices, such as leak detection systems and emergency shut-off valves, which allow for rapid action to be taken in case of emergencies like leaks, thereby preventing the situation from worsening. 4) Environmental benefits: Flexible hoses reduce the emission of pollutants such as dust and vapors resulting from manual operations during loading and unloading, thereby helping to improve air quality and protect the environment. Efficient loading and unloading operations mean lower energy consumption and carbon emissions, in line with the current environmental protection principles of saving energy and reducing emissions. II. Precautions for using flexible hoses 1) Check whether the connection points and seals of the flexible hoses are in good condition to ensure there is no risk of leakage. At the same time, check the safety devices and limit switches of the flexible hose equipment to ensure they are functioning properly and reliably, as well as verify that the electrical circuits and control systems are operating correctly. Operators must be familiar with the specific requirements and process procedures for loading and unloading vehicles. 2) In terms of fire and explosion prevention measures, attention should be paid to cleaning; non-flammable solvents should be used to wipe away dirt from the surfaces. It is prohibited for people to be inside the crane arm during loading and unloading, and covering materials should not be too long to avoid sparks resulting from friction. Before proceeding with the operation, it is necessary to locate and ensure that underground pipes or cables are not damaged, in order to prevent leaks or the generation of sparks. 3) In terms of safe operation, operators must operate the flexible hose equipment in accordance with the predetermined signals and instructions; they must remain alert and focused, and operating under the influence of alcohol or while fatigued is prohibited. 4) In terms of safety measures, clear warning signs should be installed before operation, and appropriate safety devices such as safety nets and protective railings should be chosen based on the actual conditions. During the operation, it is necessary to pay attention to weather conditions such as wind speed and rainfall; if needed, stop the operation and take appropriate measures. 5) During safety inspections and cleaning, operators must inspect the flexible pipe equipment after loading and unloading operations to ensure it is in good condition. Clean up the work site to restore order and safety in the working area. 6) The unloading crane pipe equipment must be kept lubricated and clean. Conduct comprehensive screening and enhance the anti-corrosion measures as well as fire protection maintenance for equipment and materials. III. Safe operating procedures for using flexible hoses 1) Operators must undergo strict pre-job training and assessment before they can start working. 2) Operators should prepare sufficient personal protective equipment and gear, such as safety helmets, protective goggles, gloves, and explosion-proof shoes. 3) The operator should have a thorough understanding of the properties of hazardous chemicals and any associated safety risks, and take precautions during operation. 4) Once the transport vehicle arrives, it is necessary to verify the vehicle and the driver, as well as check whether the loading documents match the types of goods actually carried by the vehicle. Only after confirmation can further actions be taken. 5) Develop detailed emergency plans for situations such as the spillage, leakage, poisoning, or fires related to the handling of hazardous chemicals, specifying responsibilities, measures to be taken, resources to be allocated, and actions to prevent the spread of such incidents. Safe operation of unloading hoses is a crucial aspect in ensuring the safe storage and transportation of hazardous materials in this industry; however, safety risks also exist during such operations. Therefore, during the operation process, it is necessary to strictly follow the operating procedures, maintain the equipment used for loading and unloading pipes, develop emergency plans for such operations, enhance the safety and standardization of these processes, and strengthen the management of pipe loading and unloading systems in order to prevent safety accidents from occurring in the first place.