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 tanks, oxygen/nitrogen/argon tanks, and CO2 tanks; pressure vessel products like denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment sets; 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 storage tanks are categorized into various types and structures based on their design and application, including: - Vertical Tanks: Commonly used carbon dioxide storage tanks with a cylindrical shape, placed vertically. These tanks typically have larger capacities, suitable for large-scale storage and supply. - Horizontal Tanks: Another common type, featuring a rectangular or cylindrical shape, placed horizontally. Horizontal tanks are usually used for smaller-scale storage and supply, ideal for limited spaces. - Spherical Tanks: A specialized type of carbon dioxide storage tank with a spherical shape. These tanks offer high strength and pressure-bearing capacity, suitable for high-pressure storage and transportation. - Vertical Tanks: Smaller capacity carbon dioxide storage tanks with a cylindrical shape, placed vertically. They are commonly used for small-scale storage and supply, such as commercial and residential applications. - Underground Tanks: A unique structure where carbon dioxide storage tanks are buried underground. These tanks save space, reduce visual impact, and provide safety and environmental protection. These tanks are generally constructed from pressure-resistant materials (like carbon steel or stainless steel) with certain thermal insulation properties and accessories such as safety valves, pressure gauges, and level indicators. The interior often features baffles or partitions to separate different liquids or gases. Additionally, the tanks are equipped with safety systems, including pressure maintenance systems, leak detection systems, and fire detection systems.

The reason for regular inspections of low-temperature liquid carbon dioxide storage tanks is to ensure their safety performance and normal operation. Due to the tanks' exposure to low temperatures and high pressures, there are inherent safety risks such as leaks and structural failures. Regular inspections can promptly identify potential issues, allowing for appropriate repairs or maintenance to ensure safe tank operation. The specific inspection frequency should be determined according to relevant regulations and standards, with routine inspections and maintenance generally recommended. Typically, the interval for regular inspections of low-temperature liquid carbon dioxide storage tanks is between 1 to 3 years, though this may vary based on usage, age, design standards, and other factors. The content of regular inspections usually includes visual inspections of the tank, checks of valves and fittings, leak detection, and pressure testing. Additionally, the insulation layer of the tank should be inspected and maintained regularly to ensure its insulating properties. It is important to note that the specific inspection frequency and content should be determined based on local laws, standards, and the manufacturer's recommendations. Inspections should be conducted by qualified personnel, and maintenance records should be kept to track and manage the tank's safety performance.

Carbon dioxide storage tanks offer the following advantages: - High storage density: These tanks can compress carbon dioxide gas into a liquid state, significantly increasing storage density. Compared to storing it in a gaseous state, liquid carbon dioxide can be stored in a smaller tank, saving space and costs. - Environmental and renewable: Carbon dioxide is an eco-friendly gas, and its increased concentration in the atmosphere contributes to warming and climate change. By storing and utilizing carbon dioxide, we can reduce its emissions into the atmosphere, promoting environmental protection and sustainable development. - Multiple application fields: Carbon dioxide storage tanks are widely used in various industries, including food and beverage, industrial, fire suppression, and gas supply. Carbon dioxide serves as a preservative, carbonation agent, gas, and extinguishing agent, among other uses, with broad applications and market demand. - Safe and reliable: During design and manufacturing, these tanks typically use high-strength materials (such as carbon steel or stainless steel) for excellent pressure resistance and safety. The tanks are usually equipped with safety valves, pressure gauges, level indicators, and other accessories to ensure safe operation. Additionally, carbon dioxide is a non-flammable and non-explosive gas, making it relatively safe. These advantages make carbon dioxide storage tanks a crucial storage and supply equipment, widely used across multiple industries. However, it is essential to adhere to relevant safety operation procedures and standards when using carbon dioxide storage tanks to ensure safe operation and use.

Detailed parameters of carbon dioxide tanks can vary depending on specific design and usage requirements. Here are some common carbon dioxide tank parameters: - Capacity: The capacity of carbon dioxide tanks can vary according to needs, ranging commonly from a few thousand to several tens of thousands of liters. - Pressure: The design working pressure of carbon dioxide tanks typically falls between 15-25 MPa (Megapascals), with the specific pressure depending on the application scenario and requirements. - Material: Carbon dioxide tanks are usually made of high-strength materials such as carbon steel or stainless steel. The choice of material depends on the tank's usage environment and storage requirements. - Dimensions: The external dimensions of carbon dioxide tanks also vary based on capacity and design. Common shapes include cylindrical, spherical, or cuboidal. - Level Control: Carbon dioxide tanks usually come equipped with level control systems for monitoring and controlling the liquid level of carbon dioxide. Level control systems typically include level sensors and control valves. - Pressure Control: Internal pressure control systems are usually installed in carbon dioxide tanks to monitor and control the gas pressure inside. Pressure control systems typically include pressure sensors and safety valves. It is important to note that specific parameters of carbon dioxide tanks can differ based on different manufacturers, application scenarios, and standards. When selecting and using carbon dioxide tanks, it is essential to follow relevant safety operation procedures and guidelines, and consult with experts to obtain accurate parameter information.
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