Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, an A2-grade pressure vessel manufacturing license, an A2-grade pressure vessel design license, B-grade boiler installation and GB2, GC2 pressure pipeline installation licenses, as well as an electromechanical installation contracting qualification. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the理事 member of the Shandong Equipment Manufacturing Association. The company has also passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the American ASME/U2 certification.
Urea synthesis from carbon dioxide is a crucial chemical reaction with several applications: Urea Production: Urea is a vital nitrogen fertilizer and chemical, widely used in both agricultural and industrial sectors. The synthesis of urea from carbon dioxide 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 approach utilizes carbon dioxide resources, reducing dependence on fossil fuels used in traditional urea production methods. Urea Fuel: Urea can also serve as a urea fuel for internal combustion engines and combustion equipment. By heating and decomposing urea, it releases energy, which then reacts with oxygen in the air to produce combustion heat. This combustion process only produces water vapor and nitrogen as byproducts, reducing environmental pollution. Chemical Synthesis: Urea is an essential raw material for the synthesis of many chemicals. The synthesis of urea from carbon dioxide provides a sustainable supply of urea 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 converting carbon dioxide into urea, 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 for urea 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 technical breakthroughs and practical verification to achieve large-scale application.

Common drawbacks of corrosion in pressure vessels during use include: - Chemical media: Certain chemicals, such as acids, bases, and salts, are corrosive. When these substances come into contact with the vessel material, corrosion may occur. - Humidity and moisture: High humidity environments or prolonged exposure to moisture can lead to corrosion on the vessel surface, especially in the presence of oxygen, which may accelerate the corrosion rate. - Rusting: When the protective layer on the vessel surface (such as coatings or plating) is damaged or degraded, rusting may occur. Rust can damage the vessel's surface and may lead to further corrosion. - Electrochemical corrosion: When different metals or metals and non-metals come into contact, an electrochemical corrosion battery may form, which can cause localized corrosion on the vessel surface. - Welding defects: Defects like weld porosity and cracks can be introduced during the welding process, which may become starting points for corrosion. Corrosion weakens the structural integrity of the vessel, increasing the risk of leakage or rupture. Therefore, regular inspection and maintenance of the corrosion-resistant layer, coating, or plating on pressure vessels are crucial. If corrosion issues are found, timely measures should be taken to repair or replace the damaged parts. In addition, selecting appropriate materials and corrosion prevention measures, as well as proper operation and maintenance methods, can reduce the risk of corrosion in pressure vessels. Adhering to relevant safety operating procedures and standards ensures the safe operation of pressure vessels.

Carbon dioxide has several key applications in the battery industry: - Solvent in Electrolytes: CO2 can serve as one of the solvents in battery electrolytes. In certain battery types, CO2 can be mixed with organic solvents to enhance the performance and stability of the electrolyte. - Protective Gas in Battery Manufacturing: During battery manufacturing, CO2 can be used as a protective gas. For instance, during assembly and encapsulation, CO2 can replace air to prevent oxidation and corrosion of battery materials by oxygen and moisture within the battery. - Battery Performance Enhancement: CO2 can improve battery performance by altering the atmosphere within the battery. For example, by injecting CO2 gas into the battery, pressure and temperature can be regulated, enhancing the battery's cycle life and safety. - Carbon Dioxide Capture and Storage: The production of batteries generates CO2 emissions. CO2 capture and storage technologies can be employed to reduce these emissions. By capturing and storing CO2, atmospheric emissions can be minimized, reducing environmental impact. - Note: The application of CO2 in the battery industry is continuously evolving and being researched. With technological advancements and innovation, more breakthroughs and developments in CO2's role in the battery sector may emerge.

Prior to using the CO2 storage tank, the following preparations must be made: - Inspect the tank: Check for any visible damage, corrosion, or oil leakage on the tank's exterior. Ensure the structural integrity and safety of the tank. - Check valves and pipes: Verify that the tank's inlet and outlet valves and pipe connections are functioning properly, with no leaks or loose fittings. Ensure valve operation is smooth and reliable. - Inspect safety accessories: Check that safety accessories such as safety valves, pressure sensors, and temperature sensors are working correctly. Confirm that their set parameters meet requirements. - Check the level measurement system: Verify the accuracy and reliability of the level measurement system. Calibrate the level sensors to ensure accurate level measurements. - Inspect the pressure relief device: Check that the tank's pressure relief device (e.g., safety valve) is functioning properly. Confirm that the set pressure of the relief device meets requirements. - Check gas quality: Ensure the CO2 gas in the tank meets quality standards, with no impurities or contaminants. - Inspect fire protection equipment: Ensure that fire protection equipment around the tank is in good condition and check that fire extinguishers, sprinkler systems, etc., are functioning properly. - Train operators: Operators should receive training on the characteristics, operational requirements, and safety measures of the CO2 storage tank. Training should include safe operation, leak handling, and emergency procedures. - These preparations ensure the CO2 storage tank is in good condition before use and guarantees the safety and reliability of operations. Follow relevant safety operating procedures during preparation and have personnel handle the operations.
Zhong Jie Special Equipment upholds the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We commit to society with high-quality, cost-effective products and services!