Shandong Zhongjie Special Equipment Co., Ltd. specializes in the following products: 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 including 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.
When applying paint to carbon dioxide storage tanks, the following issues should be noted: - Surface Preparation: Prior to painting, thorough surface preparation of the tank is mandatory. This includes cleaning the surface, removing oils, dirt, and old coatings to ensure the paint adheres properly and maintains quality. - Paint Selection: Choosing the right paint for carbon dioxide storage tanks is crucial. The paint should be corrosion-resistant, heat-resistant, and chemical-resistant to protect the tank surface from corrosion and damage. - Spray Technique: The choice and operation of the spray technique are vital for the quality and evenness of the coating. Appropriate spray equipment and methods should be selected to ensure the paint covers the entire tank surface evenly, avoiding drips and sagging. - Coating Thickness: The thickness of the coating is critical for the tank's protection. The thickness should be controlled according to the paint requirements and the tank's operating environment to ensure the coating's protective performance and lifespan. - Drying and Curing: After the coating is applied, sufficient time must be allowed for drying and curing. Follow the correct drying time and conditions as required by the paint to ensure the coating's quality and performance. - Safety Measures: Appropriate safety measures must be taken during the painting process, including wearing protective eyewear, respirators, and protective clothing to ensure the safety of the operators. - Quality Inspection: After painting is complete, a quality inspection should be conducted, including the appearance, adhesion, and thickness of the coating. Any issues or defects should be repaired and addressed promptly. It is important to note that painting carbon dioxide storage tanks should be carried out by professionals.

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 valves operate smoothly and reliably. - Inspect safety equipment: Check the proper operation of safety equipment such as safety valves, pressure sensors, and temperature sensors. Confirm that their set parameters meet requirements. - Examine the level measurement system: Assess the accuracy and reliability of the level measurement system. Calibrate the level sensors to ensure accurate level measurements. - Check pressure relief devices: Ensure that the tank's pressure relief devices (such as safety valves) are functioning correctly. Verify that the set pressure of the relief devices meets requirements. - Inspect gas quality: Ensure the CO2 gas quality within the tank meets specifications, with no impurities or contaminants. - Check fire protection equipment: Ensure that fire protection equipment around the tank is intact and that fire extinguishers, sprinkler systems, etc., are functioning properly. - Train operators: Operators should receive training on the characteristics, operation requirements, and safety measures of the CO2 storage tank. Training should include safe tank operation, leak handling, and emergency procedures. - These preparatory measures ensure the CO2 storage tank is in good condition prior to use, guaranteeing safety and reliability in operation. When conducting these preparations, follow relevant safety operating procedures and have them performed by authorized personnel.

Carbon dioxide tanks are classified as pressure vessels. Pressure vessels are sealed containers capable of withstanding internal pressure, used for storing and transporting gases, liquids, or mixtures. A carbon dioxide tank is a pressure vessel specifically designed for storing and transporting carbon dioxide, featuring unique design and structure to ensure safe storage and use. Depending on design and application, carbon dioxide tanks can be vertical or horizontal, with varying capacities and pressure ratings. When using carbon dioxide tanks, it is necessary to comply with relevant regulations and standards to ensure safe operation and use.

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. Carbon dioxide-based urea synthesis is one of the commonly used methods for producing urea. 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 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 gases that react with oxygen in the air to produce combustion heat. This combustion process only produces water vapor and nitrogen as byproducts, minimizing environmental pollution. - Chemical Synthesis: Urea is an essential raw material for the synthesis of many chemicals. Carbon dioxide-based urea synthesis provides a sustainable supply of urea for the chemical industry, used in the production of other chemicals like plastics, resins, coatings, 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, urea can be decomposed to release it, which then reacts with oxygen in the air to produce combustion heat, releasing the stored energy. The development of carbon dioxide-based urea synthesis 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 in continuous development and research, requiring further technical breakthroughs and practical verification for large-scale application.
Our company places great emphasis on technological innovation and R&D, boasting one city-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and more. We are equipped with over 600 various instruments and equipment, including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and others. The key products and technologies we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong Provincial key projects, and Heze City innovative and excellent projects. We have cumulatively obtained 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yajiang Li of Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. After provincial-level scientific and technological achievement evaluation, the technology level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!