Shandong Zhongjie Special Equipment specializes in products such as fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat boilers, and other boiler products; vacuum insulation cryogenic pressure vessels like LNG, oxygen-nitrogen-argon, and CO2 tanks; pressure vessel products including denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment sets; central air conditioning and ventilation equipment like 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.
Low-temperature CO2 storage tanks are equipment used for storing and transporting low-temperature liquid CO2. Here are some key points related to low-temperature CO2 storage tanks: Tank Structure: These tanks typically feature a double-walled design, with the inner wall for liquid CO2 storage and the outer wall for insulation. The interior is usually made of stainless steel or aluminum alloy, offering excellent corrosion resistance. Storage Temperature: The storage temperature of low-temperature CO2 storage tanks usually ranges from -40°C to -196°C, depending on specific application requirements. Temperature control is crucial for maintaining the stability and safety of the liquid CO2. Storage Capacity: The capacity of low-temperature CO2 storage tanks can be selected based on actual needs, typically ranging from a few thousand to tens of thousands of liters. The capacity choice should consider storage requirements, supply frequency, and spatial constraints. Safety Protection: These tanks require safety protection devices such as pressure relief valves, pressure sensors, and temperature sensors to ensure internal pressure and temperature remain within safe limits. Transportation Methods: Low-temperature CO2 storage tanks can be transported via road, rail, or ship. Proper insulation measures must be taken during transportation to maintain the low-temperature state of the liquid CO2 inside. Safe Operation: The operation of low-temperature CO2 storage tanks requires training and adherence to safety operating procedures. Operators should be familiar with the tank's characteristics and safety precautions to ensure safe and effective operation. Regular Inspections and Maintenance: Regular inspections and maintenance are necessary for low-temperature CO2 storage tanks, including visual inspections, valve and pipeline checks, and pressure relief device checks. Regular maintenance ensures the tank operates normally and safely. The above points provide some knowledge related to low-temperature CO2 storage tanks. When using and operating these tanks, it is essential to follow relevant safety regulations and standards and consult with experts to ensure safety and effectiveness.

The defining features of CO2 storage tanks mainly include the following aspects: High storage density: CO2 storage tanks can compress CO2 gas into a liquid state, significantly increasing storage density. Compared to storing in gas form, liquid CO2 can store more CO2 in relatively smaller tanks, saving space and costs. Stable storage and supply: CO2 storage tanks ensure stable storage and supply of CO2. Through the tank's design and control systems, accurate measurement and supply of CO2 can be achieved, meeting various industrial and application needs. Environmental friendly and renewable: CO2 is an environmentally friendly gas; its increased concentration in the atmosphere leads to warming and climate change. By storing and utilizing CO2, we can reduce its emissions into the atmosphere, achieving environmental protection and sustainable development. Safe and reliable: During design and manufacturing, CO2 storage tanks typically use high-strength materials (such as carbon steel or stainless steel), offering excellent pressure resistance and safety. The tanks are usually equipped with safety valves, pressure gauges, level gauges, and other accessories to ensure safe operation. Moreover, CO2 is a non-flammable and non-explosive gas, making it relatively safe. Various application fields: CO2 storage tanks are widely used in multiple fields, including the food and beverage industry, manufacturing, fire suppression, and gas supply. CO2 can be used as a food preservative, beverage carbonation agent, gas, and fire extinguisher, among other applications, with broad uses and market demand. In summary, the defining features of CO2 storage tanks encompass high storage density, stable storage and supply, environmental friendliness, safety and reliability, and various application areas. This makes CO2 storage tanks a crucial

Leakage issues in carbon dioxide storage tanks may be caused by the following factors: Material Corrosion: Carbon dioxide has some corrosive properties, and long-term contact may lead to corrosion of the tank material. Corrosion can damage the tank's surface protective layer, causing it to lose its seal and thus resulting in leakage. Welding Defects: The welding joints of the tank may have defects such as cracks in the welds or porosity, which can weaken the strength of the welding area and cause leakage. Design Defects: Inadequate design or defects in the tank may also lead to leakage. For example, improperly designed interfaces or unreasonable structural designs can result in leakage issues. Overpressure: If the internal pressure of the tank exceeds its capacity, it may cause deformation or rupture of the tank, leading to leakage. Temperature Fluctuations: During temperature changes, the carbon dioxide tank may deform or experience stress concentration due to thermal expansion and contraction, causing leakage. Incorrect Operation: Improper operation and maintenance can also cause leakage in the tank. For example, over-tightening valves or improper maintenance measures can reduce the tank's sealing performance. External Damage: External impacts, scratches, or corrosion on the tank may cause surface damage or corrosion, leading to leakage. To avoid leakage issues in carbon dioxide storage tanks, choose quality materials, reasonable design, and manufacturing processes, and conduct regular inspections and maintenance. Additionally, operators should receive training and follow operational procedures to ensure safe operation of the tank.

Carbon dioxide tanks are widely used in many different industries. Here are some common applications: Food and Beverage Industry: Carbon dioxide tanks are utilized in the production process of carbonated drinks, beer, soda, etc., in the food and beverage industry. Carbon dioxide is infused into the beverages to enhance their fizz and taste. Medical Industry: In the medical field, 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 Suppression: Carbon dioxide tanks are used in fire suppression systems in the fire industry. 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 employed in applications like welding, gas shielding, semiconductor manufacturing, water treatment, and more. Climate Control: In greenhouses and indoor planting, carbon dioxide tanks are used 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 essential to comply with relevant regulations and standards, and ensure that the design, manufacture, and use of the tanks meet the corresponding requirements.
Our company highly values technological innovation and R&D design. We possess 1 municipal-level 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 pieces 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. Our key products and technologies, 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 key projects, and Heze City innovation and excellence projects. We have accumulated a total of 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industrial standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Li Yajiang of Shandong University, has developed deep cryogenic container processing technology using the internationally recognized plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. The provincial-level scientific and technological achievement identification has determined that our technology level in deep cryogenic container manufacturing has reached international standards. Choose Zhongjie Special Equipment, and let's create brilliance together!