Shandong Zhongjie Special Equipment's main products include: 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 storage tanks, oxygen/nitrogen/argon storage tanks, and CO2 storage tanks; pressure vessel products such as 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.
Carbon dioxide and liquid oxygen tanks are equipment used for storing different gases, with some differences in their physical properties: Physical State: Carbon dioxide (CO2) is a gas at room temperature and requires low temperatures and high pressures to convert to a liquid. Liquid oxygen (LOX) is a liquid at room temperature and can maintain its liquid state without special conditions. Storage Temperature: The liquid storage temperature of carbon dioxide typically ranges from -40°C to -78.5°C, while the liquid storage temperature of liquid oxygen usually ranges from -183°C to -183.15°C. The storage temperature of liquid oxygen is lower, requiring more stringent insulation measures. Storage Pressure: The liquid storage pressure of carbon dioxide typically ranges from 5 to 20 MPa, while the liquid storage pressure of liquid oxygen usually ranges from 0.2 to 2 MPa. The storage pressure of liquid oxygen is lower. Density: The density of liquid carbon dioxide is approximately 0.8 g/cm³, while the density of liquid oxygen is approximately 1.14 g/cm³. The density of liquid oxygen is greater. Safety: Liquid oxygen has a high oxygen content, making it highly flammable and oxidizing, necessitating stricter safety measures. Carbon dioxide is relatively safe but can still pose a risk to humans at high concentrations.

Carbon dioxide tanks possess the following characteristics: - High-pressure Vessel: Carbon dioxide tanks are typically designed as high-pressure vessels, capable of withstanding high pressure. This is because carbon dioxide requires high pressure at room temperature to maintain its liquid state. - High Oxidizing: Carbon dioxide has a high oxidizing nature, which can support combustion. Therefore, when using and storing carbon dioxide, precautions must be taken to prevent contact to avoid the risk of fire and explosion. - Low-temperature Storage: Carbon dioxide is in a gaseous state at room temperature but can be compressed into a liquid at lower temperatures. As a result, carbon dioxide tanks usually need to have good insulation properties to maintain the低温 of the stored liquid carbon dioxide. - High Density: Liquid carbon dioxide has a high density, allowing for the storage of large amounts of carbon dioxide in a relatively small volume. This makes carbon dioxide tanks useful in scenarios requiring substantial carbon dioxide supply. - Safety Valves and Pressure Control: To ensure the internal pressure of the tank remains within a safe range, carbon dioxide tanks are commonly equipped with safety valves and pressure control devices. These devices monitor and control the internal pressure of the tank to prevent excessive pressure from causing tank rupture. - Corrosiveness: Carbon dioxide has some degree of corrosiveness, especially in high humidity environments. Therefore, the materials and corrosion prevention measures of the tank need to consider the corrosiveness of carbon dioxide to ensure the tank's durability and safety. These characteristics make carbon dioxide tanks widely applicable in many industries, such as the food and beverage industry, fire suppression, and the gas industry. When using carbon dioxide tanks, it is necessary to adhere to relevant safety operation procedures and standards to ensure operational safety.

When selecting a carbon dioxide tank support, consider the following factors: Load Capacity: The design and selection of the support should be able to bear the weight and pressure of the tank. The load-bearing capacity of the support should be determined based on the tank's size, weight, and working conditions. Stability: The support should have sufficient stability to ensure the tank does not tilt or collapse during use. The design of the support should take into account the center of gravity location and changes of the tank to provide stable support. Corrosion Resistance: Since carbon dioxide has some corrosive properties, the material choice for the support should have good corrosion resistance to prevent corrosion and damage. Ease of Installation and Maintenance: The design of the support should consider ease of installation and maintenance for the convenience of tank installation, adjustment, and maintenance. Compliance with Standards and Regulations: The design and selection of the support should comply with relevant standards and regulations, such as Standard GB150 "Steel Pressure Vessels." Additionally, other factors related to the support can be considered, such as cost, reliability, and durability. When selecting a support, consult engineers or consulting companies for advice and guidance.

Standard parameters for carbon dioxide storage tanks may vary depending on design and application requirements. Here are some common standard parameters: - Tank Capacity: The capacity of carbon dioxide storage tanks is typically expressed in kiloliters (L) or cubic meters (m). Common capacity ranges vary from a few thousand to tens of thousands of liters. - Working Pressure: The working pressure of carbon dioxide storage tanks is usually around 20 to 25 MPa (megapascals) at normal temperatures, with specific pressure determined by application needs and design standards. - Design Temperature: The design temperature for carbon dioxide storage tanks is usually within the low-temperature range, generally between -40°C to -60°C, to accommodate the liquefaction and storage requirements of carbon dioxide. - Material: Carbon dioxide storage tanks are commonly made from high-strength steel or alloy materials to withstand the stresses and loads under high pressure and low-temperature environments. - Insulation: The tanks are internally insulated to reduce heat transfer and liquid evaporation. The insulation is usually a multi-layer structure, including thermal insulation materials and an external protective layer. - Safety Valve and Pressure Relief Devices: Tanks are equipped with safety valves and pressure relief devices to control internal tank pressure and prevent overpressure and explosions. - Level Monitoring and Control: Tanks are fitted with level monitoring devices to monitor the liquid level inside. Timely monitoring and control of the level ensure that the liquid stored within the tank remains within a safe range. - It is important to note that specific standard parameters for carbon dioxide storage tanks may vary due to different design standards, application requirements, and manufacturers. When selecting and using carbon dioxide storage tanks, it is essential to consider these factors.
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