Shandong Zhongjie Special Equipment's main products include: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat recovery boilers, and other boiler products; vacuum insulation cryogenic pressure vessels such as LNG tanks, oxygen/nitrogen/argon tanks, and CO2 tanks; pressure vessel products such as denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment; central air conditioning and HVAC equipment such as ground (water) source heat pumps, air source units, water-cooled screw units, and air-cooled modular units. Planned products include large-scale energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
For the maintenance of CO2 storage tanks, here are some recommended methods: - Regular Inspections: Conduct regular checks of the tank's exterior and interior, including for corrosion, cracks, and leaks. Non-destructive testing methods, such as ultrasonic testing, can be used to assess the tank's integrity. - Cleaning and Corrosion Protection: Regularly clean the tank's exterior to remove dirt and debris. For tanks coated with corrosion-resistant paint, check the coating's condition regularly, and repair or recoat as needed to protect against corrosion. - Leak Detection: Perform regular leak detection to ensure there are no leakage issues. Use gas detectors or leak detectors for testing, or evaluate the tank's sealing performance through pressure tests. - Safety Valve Inspection: Regularly inspect and test the operation of safety valves to ensure they function properly under overpressure conditions. Adjust and test according to the specifications and requirements of the safety valves. - Pipeline and Valve Maintenance: Regularly check and maintain the pipelines and valves connected to the tank to ensure proper operation and sealing performance. Clean and lubricate valves, and check for leaks at pipeline connections. - Record and Documentation: Keep records of maintenance dates, contents, and results to establish a maintenance history for the tank. Retain relevant documents and reports for future reference and review. Note: For the maintenance of CO2 storage tanks, it is recommended to follow relevant safety operating procedures and standards. If you lack the necessary knowledge and experience, consult professionals or manufacturers for maintenance work.

Low-temperature carbon dioxide storage tanks offer several advantages: - Low-temperature storage capacity: These tanks can store carbon dioxide at low temperatures, typically between -40°C and -70°C. This low-temperature storage allows carbon dioxide to be stored in a liquid state, significantly reducing the storage space required. - High storage density: Due to the liquid state of carbon dioxide at low temperatures, its storage density is relatively high. Compared to gaseous storage, liquid storage can hold more carbon dioxide in a smaller tank, improving storage efficiency. - Environmental and renewable: Carbon dioxide is an environmentally friendly gas, with minimal harmful emissions during storage and use. Additionally, carbon dioxide can be reused through capture and recycling technologies, reducing environmental impact. - High safety: Low-temperature carbon dioxide storage tanks are made from high-strength materials with good sealing and corrosion resistance. They are equipped with safety valves and pressure relief devices to effectively control internal pressure and temperature, ensuring safety during storage. - Wide application: These tanks are widely used in various industries, such as food and beverage, pharmaceutical, and chemical industries. They can be used for frozen food, refrigeration equipment, gas supply, and more, meeting diverse industry needs. In summary, low-temperature carbon dioxide storage tanks offer low-temperature storage capacity, high storage density, environmental friendliness, renewability, high safety, and wide application. These advantages make them essential equipment for storing and using carbon dioxide in many industries.

When handling CO2 storage tanks, static electricity is a safety issue that needs attention. Here are some methods to avoid static electricity: - Grounding: Ensure that the tank and related equipment are properly grounded. Grounding releases static electricity to the ground, reducing the likelihood of static buildup. Use specialized grounding devices and grounding wires to ensure reliable grounding. - Static-Discharge Equipment: Use static-discharge equipment, such as static-free clothing, shoes, and gloves. These devices help eliminate or reduce static buildup and protect the safety of operators. - Avoid Friction: Prevent friction during operations, especially when contacting substances or flammable gases. Friction generates static electricity, increasing the risk of fire or explosion. - Control Humidity: Maintain appropriate humidity in the operational environment; higher humidity can reduce the generation and accumulation of static electricity. Use humidifiers or other humidity control devices to adjust environmental humidity. - Avoid Plastic or Rubber Materials: Plastic and rubber materials are prone to generate static electricity; try to avoid using these materials during operations. Choose materials with good antistatic properties for operations. - Static Eliminators: Use static eliminators to eliminate or reduce static buildup. Static eliminators neutralize static by releasing charges, reducing the dangers of static electricity. - Tank Cleaning: Regularly clean the interior of the tank to remove accumulated impurities and dirt. Pay attention to preventing the generation and accumulation of static electricity during the cleaning process. Note that static avoidance methods should be determined based on the specific operational environment and tank characteristics. During operations, follow relevant safety regulations and standards, and consult with experts as needed.

Urea synthesis from carbon dioxide is a significant chemical reaction with several applications: Urea Production: Urea is a vital nitrogen fertilizer and chemical, widely used in both agricultural and industrial sectors. Carbon dioxide synthesis is one of the commonly used methods for urea production. In this process, carbon dioxide reacts under high temperature and pressure to form urea. This method utilizes carbon dioxide resources, reducing reliance on fossil fuels used in traditional urea production. Urea Fuel: Urea can also serve as a urea fuel for internal combustion engines and combustion equipment. By heating and decomposing urea, energy is released, which then reacts with oxygen in the air to produce combustion heat. This combustion process only produces water vapor and nitrogen as by-products, reducing environmental pollution. Chemical Synthesis: Urea is an important raw material for the synthesis of many chemicals. Carbon dioxide synthesis of urea provides a sustainable supply for the chemical industry, used in the production of other chemicals like plastics, resins, paints, etc. Energy Storage: Urea can also act as a medium for energy storage. By synthesizing urea from carbon dioxide, energy can be stored in the form of chemical bonds. When energy is needed, it can be released by decomposing urea, which then reacts with oxygen in the air to produce combustion heat, releasing stored energy. The development of carbon dioxide synthesis urea technology aims to reduce dependence on fossil fuels used in traditional urea production methods, lower greenhouse gas emissions, and promote the development of sustainable agriculture and the chemical industry. However, this technology is still under development and research, requiring further technological breakthroughs and practical verification for large-scale application.
Zhongjie Special Equipment upholds the grand vision of "realizing employees' dreams, creating customer value, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We offer products and services with high cost-performance to contribute to society!