Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, A2-grade pressure vessel manufacturing license, A2-grade pressure vessel design license, B-grade boiler installation, and GB2/Class, GC2/Class pressure pipeline installation licenses, as well as equipment and machinery installation contracting qualifications. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and a council member of the Shandong Equipment Manufacturing Association. The company has also passed certifications for ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, and the U.S. 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. 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 dependence 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, 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, paints, etc. Energy Storage: Urea can also act as an energy storage medium. 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 and release stored energy. The development of carbon dioxide-based urea synthesis technology aims to reduce dependence on fossil fuels used in traditional urea production, decrease 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 technological breakthroughs and practical verification for large-scale application.

The inspection frequency of carbon dioxide storage tanks should be determined based on local regulations, standards, and manufacturer recommendations. Generally, several factors can influence the inspection frequency of carbon dioxide storage tanks: Regulatory and Standard Requirements: Different regions may have varying regulations and standards that specify the inspection requirements and frequency for tanks. For instance, the US DOT standards require that liquefied gas tanks undergo external inspections every 5 years and internal inspections every 10 years. Manufacturer Recommendations: Manufacturers typically provide recommendations for inspection frequency, which are based on tank design, materials, and service life, and can serve as references for establishing an inspection schedule. Usage Environment and Conditions: The storage tank's environment and conditions of use also affect the inspection frequency. For example, tanks exposed to corrosive environments or subjected to frequent mechanical stress may require more frequent inspections. In general, external inspections of liquefied gas tanks are usually conducted through visual inspections, ultrasonic testing, magnetic particle testing, and other methods to assess the tank's external condition and potential defects. Internal inspections may require emptying the tank and using internal inspections, thickness measurements, and weld testing to evaluate the internal condition. It is crucial that inspections of storage tanks be performed by trained and experienced personnel and strictly adhere to relevant regulations, standards, and manufacturer recommendations. Regular inspections and maintenance ensure tank safety and reliability, reducing the risk of accidents.

Carbon dioxide tanks are widely used in many different industries. Here are some common applications: Food and Beverage Industry: Carbon dioxide tanks are used in the production process of carbonated beverages, beer, soda, etc. Carbon dioxide is injected into the drinks to enhance their fizz and taste. Industry: In the industry, carbon dioxide tanks are used for applications such as anesthesia, respiration, and emergency care. Liquid carbon dioxide can be used to produce refrigerants for freezing and preserving biological samples and tissues. Fire Extinguishing: Carbon dioxide tanks are used in fire suppression systems in the fire service. Carbon dioxide is released into the fire scene to extinguish flames by suppressing oxygen supply. Gas Supply: Carbon dioxide tanks are also used to supply carbon dioxide gas in industrial and commercial sectors. These gases are used in applications such as welding, gas shielding, semiconductor manufacturing, and water treatment. Climate Control: Carbon dioxide tanks are used in greenhouses and indoor plant cultivation to control and increase the concentration of carbon dioxide for plant growth. Additionally, carbon dioxide tanks can be used in other industries, such as the automotive industry (for airbag systems), and other industries (for propellants and gas supply). It is important to note that the requirements and applications for carbon dioxide tanks may vary by industry. When using carbon dioxide tanks, it is necessary to follow relevant regulations and standards, and ensure that the design, manufacturing, and use of the tanks meet the corresponding requirements.

For accessories of carbon dioxide storage tanks, such as valves, pipes, and pressure relief devices, maintenance and protection are crucial. Here are some suggestions: Regular Inspections: Conduct regular inspections of the accessories' appearance and operational status to ensure no damage, loose parts, or leaks. Pay special attention to the sealing performance and operational flexibility of valves. Cleaning and Maintenance: Regularly clean the accessories to remove dirt and impurities on the surface. Use appropriate cleaning agents and tools, avoiding corrosive substances. Lubrication Maintenance: For accessories requiring lubrication, such as the pistons and valve rods of valves, perform regular lubrication maintenance. Use suitable lubricants to ensure the normal operation and sealing performance of valves. Sealing Inspection: Regularly check the sealing performance of the accessories, such as the sealing rings and sealing surfaces of valves. Replace any damaged or aged sealing parts promptly. Corrosion Protection: For accessories prone to corrosion, such as pipes and valves, take corrosion protection measures, such as applying anti-corrosion coatings or using anti-corrosion materials for wrapping. Regular Calibration: Calibrate measuring equipment such as level sensors and pressure sensors regularly to ensure their accuracy and reliability. Regular Maintenance: Develop a regular maintenance plan based on the usage and requirements of the accessories, including cleaning, lubrication, and inspections, to ensure long-term stable operation. Storage and Transportation Precautions: For spare parts or accessories that require replacement, pay attention to moisture-proof, shock-proof, and damage-proof during storage and transportation to avoid affecting their normal use. The above suggestions are for the maintenance and protection of carbon dioxide storage tank accessories. Specific operations should be carried out according to the characteristics and requirements of the accessories, and comply with relevant regulations and standards.
Our company places great emphasis on technological innovation and R&D design. We have 1 municipal enterprise technology center in Heze City, equipped with non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and other testing facilities. We have over 600 types of 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 more. 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 selected 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 accumulated a total of 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + wire filling argon arc welding (PAW-GTAW) technology. After provincial-level scientific and technological achievement identification, our technology level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, let's create brilliance together!