Chlor-alkali industry equipment management and technological innovation to be strengthened

From 2003 to 2006, the chlor-alkali industry experienced a period of rapid growth. In response to this opportunity, major production facilities operated at full capacity. Ensuring the stable and long-term operation of critical equipment became a top priority. At the same time, with the government’s increasing emphasis on safety and environmental protection, equipment management faced new challenges. During the fourth all-member meeting of the fourth national chlor-alkali industry equipment management technical cooperation group held in Chengdu in mid-September, industry leaders emphasized that innovation in both equipment management and technology was essential for future development. Alongside improving management systems and models, there was a strong push to upgrade equipment and promote the application of new technologies, materials, processes, and equipment. The chlor-alkali industry is known for its high-risk environment, characterized by high temperature, high pressure, and flammable or explosive conditions. Over the years, companies like Zhejiang Juhua Co., Ltd. have accumulated extensive experience in equipment management and technological innovation. As the leading unit of the national chlor-alkali equipment management technology cooperation group, Juhua Electrochemical Factory conducted a comprehensive review of these experiences. According to Fu Jianlin, head of equipment at the factory, there are five key areas for managing and innovating chlor-alkali equipment. First, automation of older devices is crucial. Traditional diaphragm caustic soda systems are outdated, with low automation levels and higher risks of accidents. By applying advanced control technologies, such as reliable valves and controllers for turbine chlorine compressors, DCS systems for hydrogen chloride synthesis furnaces, and PLC-based ignition controls, the safety and reliability of old equipment can be significantly improved. Second, special attention must be given to heat exchangers used under extreme conditions. Some carbon steel heat exchangers in caustic soda and PVC plants are prone to severe corrosion when tube and shell materials come into contact. Proper selection of manufacturers, optimization of process design, and structural improvements can prevent such issues. Increased inspection efforts during operation also play a vital role. Third, effective management of key production lines is essential. As production scales expand, the number of equipment increases, making management more complex. Prioritizing maintenance for critical lines and ensuring sufficient spare parts supply becomes a necessity. Fourth, attention to detail is fundamental. The chlor-alkali production process is highly continuous and involves long workflows, which makes even small issues potentially disruptive. Strict regulations and preventive measures must be in place to address these details effectively. Fifth, equipment upgrades, especially the modernization of older systems, are vital. Actively adopting new equipment, materials, and technologies helps improve equipment stability and extend maintenance cycles. For example, some caustic soda units have achieved maintenance intervals of two or even three years. In addition, many enterprises have implemented modern management techniques such as network planning, value engineering, and ABC management. They have also adopted innovations like expanded anodes, modified diaphragm electrolytic cells, and high-density bipolar natural circulation ion membrane electrolysis. New equipment such as synthetic cooling integrated graphite furnaces and four-in-one graphite furnaces has significantly enhanced the technical level of production facilities, improving operational reliability and extending equipment lifespan.

Radiator Hose

A radiator hose is a vital component of a vehicle's cooling system, responsible for transferring coolant from the engine to the radiator. It is a flexible tube made of rubber or silicone that connects the engine's coolant passages to the radiator, ensuring proper circulation and cooling of the engine.

The primary function of a radiator hose is to carry coolant from the engine to the radiator, where it is cooled before returning to the engine. This process helps maintain optimal operating temperature, preventing overheating and potential engine damage.

Radiator hoses are typically made of durable rubber or silicone materials that can withstand high temperatures and pressure. The rubber used in radiator hoses is often reinforced with fabric or wire to enhance its strength and resistance to wear and tear. The hose's flexibility is crucial, allowing it to bend and adapt to the engine's movements without causing leaks or blockages.

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