Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, an A2-grade pressure vessel manufacturing license, an A2-grade pressure vessel design license, a B-grade boiler installation license, and GB2/Class, GC2/Class pressure pipeline installation licenses, as well as a mechanical and electrical equipment installation contracting qualification. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the 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 equipment used for storing and transporting carbon dioxide gas, operating on the principles of pressure vessels and the physical properties of carbon dioxide. Pressure Vessel Principle: A carbon dioxide storage tank is a pressure vessel capable of withstanding the pressure of the internal gas. It is typically made of high-strength materials like steel. The tank's design and structure can withstand high pressure, ensuring safe storage and transportation of the gas. Compressed Gas Storage: Carbon dioxide is a gas at room temperature but can be compressed into a liquid under high pressure. Storage tanks use high pressure to compress the gas into a liquid, achieving higher storage density. Liquid carbon dioxide occupies less volume, allowing for more gas to be stored. Level Control: The storage tank is equipped with a level control system to monitor and control the level of liquid carbon dioxide. This system usually includes level sensors and control valves, ensuring the tank's level remains within a safe range. Pressure Control: The tank also features a pressure control system to monitor and control the internal gas pressure. This system typically includes pressure sensors and safety valves, ensuring the pressure within the tank stays within safe limits, preventing damage or safety risks due to excessive or low pressure. Through these principles, carbon dioxide storage tanks can safely store and transport carbon dioxide gas to meet the needs of various fields, such as food processing, beverage manufacturing, and fire suppression. When using carbon dioxide storage tanks, it is essential to follow relevant safety operation procedures and guidelines to ensure safe operation and use.

The working principle of a carbon dioxide storage tank involves the compression and liquefaction of carbon dioxide. Here is a brief description of how the carbon dioxide storage tank operates: Compression: The 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 be converted 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, transforming it into a liquid. Storage: The cooled carbon dioxide liquid is stored in a sealed tank, typically with an insulating layer to minimize evaporation of liquid carbon dioxide and maintain a low temperature. The tank's internal pressure 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 a pipeline system. By controlling the opening and flow of the valves, liquid carbon dioxide can be supplied to the required equipment or system. It should be noted that the working principle of carbon dioxide storage tanks may vary depending on specific design and manufacturing. When using a carbon dioxide storage tank, it is essential to follow the operation manual and safety guidelines, and collaborate with local regulatory authorities and personnel to ensure the tank's safety and reliability.

Proper installation of a carbon dioxide storage tank requires the following steps: Site Preparation: Choose an appropriate site for installation, ensuring it is level, stable, and meets safety distance requirements. Clear the site of obstructions and fire sources. Foundation Construction: Construct a foundation based on the tank's size and weight. The foundation must have sufficient strength and stability to support the tank's weight and pressure. Tank Installation: Place the tank on the foundation, ensuring there is adequate cushioning and securing equipment between the tank and foundation. Connect and secure the tank according to its design specifications. Pipe Connection: Connect the tank to the piping system as needed. Ensure the connections are sealed properly to prevent leaks. Safety Equipment Installation: Install the required safety equipment for the tank, such as safety valves, pressure sensors, and temperature sensors. Ensure these devices are correctly installed and connected. System Testing: Conduct system testing after installation, including pressure and leak tests, to ensure the tank and piping system operate safely and correctly. Identification and Warning Signs: Set up necessary identification and warning signs on the tank and piping system, including tank capacity and pressure information, to remind operators to be cautious about safety. Tank Maintenance: After installation, perform regular maintenance on the tank, including cleaning, lubrication, and inspections, to ensure normal operation and extend the tank's lifespan. Installation of carbon dioxide storage tanks should be carried out by qualified installers and follow relevant safety operation procedures and standards. Seek advice and guidance from experts.

Construction features of carbon dioxide storage tanks mainly include the following aspects: Material Selection: Carbon dioxide storage tanks are typically made of carbon steel or stainless steel to ensure their corrosion resistance and pressure-bearing properties. Welding Technology: The welding process of the tank is crucial for its quality and safety. The welding technology should comply with relevant standards and specifications to ensure the quality and strength of the welds. Corrosion Protection Measures: Due to the corrosive nature of carbon dioxide, both the internal and external surfaces of the tank should be treated for corrosion protection. Common corrosion protection measures include spraying corrosion-resistant paint, applying a protective coating, or using corrosion-resistant coatings. Safety Valve and Pressure Sensor: The tank should be equipped with a safety valve and pressure sensor to monitor and control the internal pressure of the tank, ensuring safe operation. Steps for Proper Installation of Carbon Dioxide Storage Tanks: Site Preparation: Select an appropriate site for installation, ensuring it is flat, stable, and meets safety distance requirements. Clear the site to ensure there are no obstacles or ignition sources. Foundation Construction: Construct the foundation according to the tank's size and weight, ensuring it has sufficient strength and stability to support the tank's weight and pressure. Tank Installation: Place the tank on the foundation, ensuring there are appropriate shims and fastening devices between the tank and the foundation. Connect and fasten the tank according to design requirements. Pipe Connection: Connect the tank to the pipeline system as needed. Ensure good sealing at the connection points to prevent leaks. Safety Equipment Installation: Install the necessary safety equipment for the tank, such as the safety valve, pressure sensor, and temperature sensor. Ensure these facilities are correctly installed and connected.
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