Shandong Zhongjie Special Equipment Co., Ltd. (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, GC2-class pressure pipeline installation licenses, as well as equipment and mechanical 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 the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the American ASME/U2 certification.
Carbon dioxide storage tanks are categorized into various types and structures based on their design and application: - Vertical Tanks: Commonly used carbon dioxide storage tanks, these are cylindrical in shape and vertically positioned. They typically have larger capacities and are used for large-scale storage and supply of carbon dioxide. - Horizontal Tanks: Another common type, these tanks are rectangular or cylindrical in shape and horizontally positioned. They are usually used for smaller-scale storage and supply, suitable for limited spaces. - Spherical Tanks: A specialized type of carbon dioxide storage tank with a spherical shape. They offer high strength and pressure-bearing capacity, suitable for high-pressure storage and transportation of carbon dioxide. - Vertical Tanks: Smaller capacity carbon dioxide storage tanks, these are cylindrical and vertically positioned. They are typically used for small-scale storage and supply, such as for commercial and residential use. - Underground Tanks: A unique structure where carbon dioxide storage tanks are buried underground. They save space, reduce visual impact, and offer enhanced safety and environmental protection. These tanks are usually constructed from pressure-resistant materials (like carbon steel or stainless steel) with certain thermal insulation properties and equipped with 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 fitted with safety systems, including pressure maintenance systems, leak detection systems, and fire detection systems.

The working principle of carbon dioxide storage tanks involves the compression and liquefaction of carbon dioxide. Here is a brief description of how carbon dioxide storage tanks operate: Compression: Carbon dioxide gas is first compressed to a higher pressure by a compressor. This process compresses the gas into a high-pressure state, enabling it to transition into a liquid. Cooling: The compressed carbon dioxide gas enters a cooler, where it is rapidly cooled through a cooling agent or system within the cooler. This process cools the gas below its boiling point, converting it into a liquid. Storage: The cooled carbon dioxide liquid is stored in sealed tanks, which typically have insulating layers to minimize evaporation of liquid carbon dioxide and maintain低温 conditions. The internal pressure of the tank is maintained within a certain range to ensure stable storage of the liquid carbon dioxide. Supply: When carbon dioxide is needed, it can be extracted from the tank through valves and piping systems. By controlling the opening and flow of valves, liquid carbon dioxide can be supplied to the required equipment or system. It is important to note that the working principle of carbon dioxide storage tanks may vary depending on specific design and manufacturing. When using carbon dioxide storage tanks, follow the operation manual and safety guidelines, and cooperate with local regulatory authorities and personnel to ensure the safety and reliability of the tank.

Installation and operation of low-temperature carbon dioxide storage tanks must adhere to the following requirements: Installation Location Selection: When selecting the installation location for the tank, consider the tank's weight and dimensions to ensure a solid and stable foundation. Additionally, maintain a safe distance from flammable, explosive materials, and high-temperature sources to ensure safety. Safety Distance: Maintain a certain safety distance around the tank for daily inspections, maintenance, and emergency response. The safety distance should comply with relevant safety regulations and standards. Connecting Pipes: Use appropriate connection methods between the tank and pipes to ensure tight, reliable connections with no leaks. The connecting pipes should meet relevant standards and specifications. Pressure Relief Devices: The tank should be equipped with pressure relief devices, such as safety valves, to control internal tank pressure. The set pressure of the pressure relief devices should meet relevant requirements and be inspected and maintained regularly. Sealing Inspection: The tank's sealing performance should be checked regularly to ensure no leaks. Pay special attention to the sealing of valves, pipe connections, and the tank itself. Temperature Control: Temperature control is necessary for low-temperature carbon dioxide storage tanks to maintain the low internal temperature. Ensure the surrounding environment is suitable and implement corresponding insulation measures. Safety Protection: Set up appropriate safety protection facilities around the tank, such as guardrails and warning signs, to remind personnel of safety and prevent unauthorized access. Storage Capacity Control: The storage capacity of the tank should be controlled according to actual needs to avoid exceeding the rated capacity. Exceeding the rated capacity can lead to excessive tank pressure, increasing safety risks.

Carbon dioxide storage tanks feature the following characteristics and usage advantages: High storage density: These tanks can compress carbon dioxide gas into a liquid state, significantly increasing storage density. Compared to gas storage, liquid carbon dioxide can store more carbon dioxide in a smaller tank, saving space and costs. Multiple application areas: Carbon dioxide storage tanks are widely used in various fields, including the food and beverage industry, fire suppression, gas supply, and more. Carbon dioxide serves as a preservative, beverage effervescent agent, gas, and fire extinguisher, among other uses, with broad applications and market demand. Environmental friendly and renewable: Carbon dioxide is an environmentally friendly gas, and its increase in the atmosphere contributes to warming and climate change. By storing and utilizing carbon dioxide, we can reduce its emissions into the atmosphere, achieving environmental protection and sustainable development. Safe and reliable: During design and manufacturing, carbon dioxide 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 indicators, and other accessories to ensure safe operation. Additionally, carbon dioxide is non-flammable and non-explosive, making it relatively safe. Supply: These tanks provide a stable supply of carbon dioxide. Through the design and control systems of the tanks, precise measurement and supply of carbon dioxide can be achieved, meeting the needs of various industries and applications. In summary, carbon dioxide storage tanks have characteristics and usage advantages such as high storage density, multiple application areas, environmental friendliness, renewability, safety, reliability, and supply. This makes them an important storage and supply equipment widely used in multiple industries. However, safety operating regulations should still be followed when using carbon dioxide storage tanks.
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