Shandong Zhongjie Special Equipment Co., Ltd. specializes in: 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, 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.
Common defects in carbon dioxide storage tanks during use include deformation. The following are some causes that may lead to tank deformation: Overpressure: When the internal pressure of the tank exceeds its design pressure, it may cause deformation. This could be due to operational errors, system failures, or other reasons. Temperature Changes: Carbon dioxide tanks expand and contract with temperature changes, and if the temperature changes are too great or too rapid, it may result in tank deformation. Internal Corrosion: If there is internal corrosion in the tank, it can damage the structural integrity of the tank, leading to deformation. External Damage: External impacts, compressions, or other physical damages can cause tank deformation. Incorrect Installation or Use: Incorrect installation or usage methods can lead to uneven stress on the tank, causing deformation. Tank deformation can reduce the structural integrity of the tank and even pose risks of leakage or rupture. Therefore, it is important to regularly inspect and maintain the integrity of the tank, as well as to follow proper operational and installation procedures. If tank deformation or other defects are detected, the tank should be immediately stopped from use and professional assistance should be sought for inspection and repair. Do not attempt to repair or continue using a defective tank to ensure operational safety.

Carbon dioxide tanks are equipment used for storing and transporting CO2. They are typically sealed containers with special design and structure to ensure safe storage and use of CO2. Here are some common details about carbon dioxide tanks: Storage Form: CO2 is gaseous at room temperature but can be compressed into a liquid under high pressure for easier storage and transport. Carbon dioxide tanks are commonly used for storing liquid CO2. Storage Pressure: These tanks usually store high-pressure CO2 at around 20-25 bar, which helps maintain the liquid state. Storage Capacity: The capacity of carbon dioxide tanks can vary from a few thousand liters to tens of thousands of liters, depending on specific application needs. Safety: CO2 is colorless, odorless, and non-toxic, but it can be dangerous at high concentrations, causing asphyxiation. Therefore, appropriate safety measures such as ventilation and protective gear must be taken when using carbon dioxide tanks to ensure the safety of operators. Applications: Carbon dioxide tanks are widely used in various fields, including food and beverage industry, manufacturing, fire suppression, and gas supply. They store and provide CO2 to meet diverse industrial needs. It is important to note that the design, manufacturing, and use of carbon dioxide tanks must comply with relevant regulations, standards, and safety requirements. When using these tanks, follow the operating manual and safety guidelines, and cooperate with local regulatory authorities to ensure the tank's safety and reliability.

According to China's "Regulations for Safety Supervision of Pressure Vessel Technologies," carbon dioxide storage tanks are classified as category II pressure vessels. The regulations categorize pressure vessels into the following types: - Category I pressure vessels: Pressure vessels with working pressures of 10 MPa (megapascals) or higher, such as steam boilers and pressure vessels. - Category II pressure vessels: Pressure vessels with working pressures between 0.1 MPa and 10 MPa, such as air compressors and liquefied gas storage tanks. - Category III pressure vessels: Pressure vessels with working pressures between 0.05 MPa and 0.1 MPa, such as storage tanks. - Category IV pressure vessels: Pressure vessels with working pressures below 0.05 MPa, such as gas cylinders. Based on this classification, carbon dioxide storage tanks typically have working pressures above 0.1 MPa, thus falling under category II pressure vessels. It is important to note that specific classification criteria may vary due to different regional regulations and standards. When using and managing carbon dioxide storage tanks, it is necessary to comply with the relevant regulatory and standard requirements.

To maintain the stability of CO2 storage tanks, the following details should be noted: - Foundation Design: The tank's foundation design must comply with relevant standards and regulations, possessing sufficient strength and stability. The foundation should consider the tank's weight, pressure, and geological conditions to ensure the tank is securely placed on the foundation. - Padding and Fastening Devices: Appropriate padding, such as rubber pads or steel plates, should be installed between the tank and the foundation to reduce friction and vibration. Simultaneously, use fastening devices like bolts or welding to secure the tank to the foundation, preventing movement and tilting. - Site Leveling: The site for tank installation should be kept level, without any significant tilting or unevenness. If the site is uneven, adjustments and corrections should be made to ensure the tank's stability. - Seismic Measures: In areas prone to earthquakes, additional seismic measures are required, such as setting up seismic supports and enhancing the tank's seismic resistance to improve stability. - Regular Inspections: Regularly inspect the tank's fastening devices and connection points to ensure they are intact. If loose, worn, or damaged conditions are found, repairs or replacements should be made promptly. - Load Distribution: Uniformly distribute loads above the tank, such as platforms or pipelines, to balance the weight distribution and reduce the impact of uneven loads on tank stability. - Safety Distance: The tank should maintain sufficient safety distance from other equipment, buildings, and fire sources to prevent accidental collisions or fires from affecting the tank's stability. It is important to note that the installation of CO2 storage tanks...
Our company attaches great importance to technological innovation and research and development, with 1 municipal enterprise technology center in Heze City. We have built non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and other testing facilities. We are equipped with over 600 types of 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, etc. The key products and technologies we have developed, such as welding of temperature and pressure vessels, biomass boiler emission reduction, and waste heat utilization, have successively entered multiple Shandong Provincial Department of Industry and Information Technology scientific and technological innovation projects, Shandong Provincial key projects, and Heze City innovation and excellence projects. We have accumulated 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Li Yajiang of Shandong University, has jointly developed deep cryogenic vessel processing technology, utilizing the international plasma arc + filled wire tungsten arc welding (PAW-GTAW) technology. After provincial-level scientific and technological achievement appraisal, the technology level has reached the international standard in the field of deep cryogenic vessel manufacturing. Choose Zhongjieteqiang, and let's create brilliance together!