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 offer the following advantages:
- High storage density: Carbon dioxide storage tanks can compress the gas into a liquid state, significantly increasing storage density. Compared to storing in a gaseous state, liquid carbon dioxide can be stored in a smaller tank, saving space and costs.
- 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.
- Various application fields: Carbon dioxide storage tanks are widely used in multiple industries, including food and beverage, industrial, fire suppression, and gas supply. Carbon dioxide can be used as a preservative, carbonation agent for beverages, gas, and fire extinguishing agent, with broad applications and market demand.
- Safe and reliable: During design and manufacturing, carbon dioxide storage tanks typically use high-strength materials (such as carbon steel or stainless steel), offering good pressure resistance and safety. The tanks are usually equipped with safety valves, pressure gauges, level indicators, and other accessories to ensure safe operation. Moreover, carbon dioxide is a non-flammable and non-explosive gas, making it relatively safe.
These advantages make carbon dioxide storage tanks an important storage and supply equipment, widely used in various industries. However, when using carbon dioxide storage tanks, it is necessary to follow relevant safety operation procedures and standards to ensure safe operation and use.
Low-Temperature Carbon Dioxide Storage Tank Knowledge
1. Structure of Low-Temperature Carbon Dioxide Storage Tanks
Low-temperature carbon dioxide storage tanks typically have a double cylindrical structure, with the inner cylinder made of 6MnDR alloy steel and the outer cylinder of Q245R or Q345R pressure vessel steel plate. Pipelines are made from austenitic stainless steel, while the insulation layer is filled with high-vacuum sintered sand or layered insulation. The tanks are equipped with valves for operation, which are arranged for ease of use. Pressure gauges and level indicators are also provided for monitoring the tank's internal pressure and liquid level.
2. Key Features of Low-Temperature Carbon Dioxide Storage Tanks
(1) The tanks are fitted with connections for filling truck tanks, allowing liquid supply to vaporizers, tank trucks, and pumps.
(2) Both the inner and outer cylinders of the tanks are equipped with safety devices to ensure safe operation for users.
(3) The insulation material of the tanks has been specially treated to provide a longer vacuum life. Additionally, the tanks are equipped with vacuum gauges for measuring the insulation layer's vacuum level when necessary.
3. Transportation of Low-Temperature Carbon Dioxide Storage Tanks
(1) During road transportation, the tanks should be securely fastened to the vehicle, traveling at moderate speeds, and collisions with other objects are strictly prohibited.
(2) After arrival, the unloading crew should work with the equipment supervisor to develop a scientific and reasonable unloading plan.
4. Installation of Low-Temperature Carbon Dioxide Storage Tanks
(1) Upon arrival at the installation site, the tanks can be positioned when conditions are suitable for installation. During the process, collisions and impacts are prohibited, and special attention should be paid to the explosion-proof equipment on the outer cylinder and the vacuum valve, which should not be touched.
(2) Perform a gas-tightness test on the inner cylinder system using nitrogen to the working pressure. After ensuring that valves, pipelines, flanges, etc., have no leaks, the installation is complete.
(3) The installation dimensions of the tanks are as specified in the supply documents. When considering liquid filling and discharging with tank trucks, the vehicle's access routes should be taken into account.
Carbon dioxide storage tanks are equipment used for storing and transporting CO2. They are typically sealed containers with special design and structure to ensure safe storage and use of CO2. Here are some common details about carbon dioxide storage tanks:
- Storage Form: CO2 is in a gaseous state at room temperature but can be compressed into a liquid under high pressure for easier storage and transportation. Storage tanks for CO2 usually hold the liquid form.
- Storage Pressure: These tanks commonly store high-pressure CO2 at around 20-25 bar, which helps maintain the liquid state.
- Storage Capacity: The capacity of CO2 storage tanks varies based on requirements, ranging from a few thousand liters to tens of thousands of liters.
- Safety: CO2 is colorless and odorless, but it can be dangerous at high concentrations, causing asphyxiation. Appropriate safety measures, such as ventilation and protective gear, are necessary when handling CO2 tanks to ensure operator safety.
- Applications: Carbon dioxide storage tanks are widely used across various industries, including food and beverage, pharmaceutical, fire suppression, and gas supply. They store and provide CO2 to meet diverse business needs.
- Note: The design, manufacturing, and use of CO2 storage tanks must comply with relevant regulations, standards, and safety requirements. When using these tanks, follow the operating manual and safety guidelines, and cooperate with local regulatory bodies to ensure tank safety and reliability.
Technical specifications for carbon dioxide storage tanks can be formulated based on different application fields and/or regional standards. Below are some common technical specifications and standards for reference:
- ASME Standards: The American Society of Mechanical Engineers (ASME) has issued a series of standards for pressure vessels, including specifications for carbon dioxide storage tanks, such as ASME BPVC Section VIII Division 1 and ASME BPVC Section VIII Division 2.
- ISO Standards: The International Organization for Standardization (ISO) has published some standards related to pressure vessels, such as ISO 9809-1 and ISO 9809-2, covering design, manufacturing, and inspection requirements for steel cylinders.
- GB Standards: The China National Bureau of Standards has issued a series of standards related to pressure vessels, such as GB 150 "Pressure Vessels" and GB 5099 "Steel Cylinders," including design, manufacturing, and inspection requirements for carbon dioxide storage tanks.
- DOT Standards: The United States Department of Transportation (DOT) has issued some standards related to pressure vessels and cylinders, such as DOT-3AA and DOT-4BA, covering design, manufacturing, and transportation requirements for liquefied gas storage tanks.
- EN Standards: The European Committee for Standardization (CEN) has published some standards related to pressure vessels, such as EN 13445 and EN 14382, covering design, manufacturing, and inspection requirements for liquefied gas storage tanks.
- Additionally, other industry standards and specifications may apply to carbon dioxide storage tanks based on specific application needs, such as standards related to the food and beverage industry, and industry-specific standards.
When using carbon dioxide storage tanks, it is essential to select appropriate technical specifications according to specific application requirements and local regulations, ensuring that the design, manufacturing, and use of the tanks comply with the relevant standards and specifications.
Our company attaches great importance to technological innovation and R&D design. We have one 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 various instruments and 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, etc. The key products and technologies we have developed, 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 Provincial 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 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + wire filling tungsten inert gas arc welding (PAW-GTAW) technology. After the provincial-level scientific and technological achievement evaluation, the technology level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!




































