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 director unit of the Shandong Equipment Manufacturing Association. The company has also passed certifications for the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, and the American ASME/U2 certification.
Carbon dioxide has several main applications in the battery industry:
1. Solvent in electrolytes: Carbon dioxide can serve as one of the solvents in battery electrolytes. In certain types of batteries, it can be mixed with organic solvents to enhance the performance and stability of the electrolyte.
2. Protective gas in battery manufacturing: During the battery manufacturing process, carbon dioxide can be used as a protective gas. For instance, during assembly and encapsulation, it can replace air to prevent oxidation and corrosion of battery materials due to oxygen and moisture in the battery.
3. Battery performance improvement: Carbon dioxide can improve battery performance by altering the atmosphere within the battery. For example, by injecting carbon dioxide gas into the battery, pressure and temperature can be regulated, enhancing the battery's cycle life and safety performance.
4. Carbon dioxide capture and storage: The production process of batteries generates carbon dioxide emissions. Carbon dioxide capture and storage technologies can be employed to reduce these emissions. By capturing and storing carbon dioxide, atmospheric emissions can be decreased, mitigating environmental impact.
It should be noted that the application of carbon dioxide in the battery industry is continuously evolving and being researched. With technological advancements and innovation, there may be more breakthroughs and developments in the application of carbon dioxide in the battery field.
The spacing requirements for carbon dioxide storage tanks are typically governed by relevant safety regulations and standards, with specific spacing demands potentially varying due to factors like location, use, and tank capacity. Here are some common spacing rules:
- Small Spacing Between Tanks: Generally, the small spacing between adjacent tanks should comply with the relevant safety regulations and standards. This space ensures that neighboring tanks are not affected in case of a leak or accident.
- Spacing Between Tanks and Buildings: The spacing between tanks and buildings also needs to meet the requirements of the relevant regulations and standards. This distance ensures that the building is not affected in the event of a tank leak or accident.
- Spacing Between Tanks and Equipment: The spacing between tanks and other equipment (such as pipelines, pumps, etc.) must also adhere to the relevant regulations and standards. This space ensures the proper operation and maintenance of the equipment.
- Safety and Evacuation Routes: Adequate safety and evacuation routes should be provided around the tanks to allow for safe撤离 in emergencies.
Note that specific spacing rules may vary by region and industry. Therefore, when installing and using carbon dioxide storage tanks, it is essential to refer to local safety regulations and standards and consult with experts to ensure compliance.
Low-temperature CO2 storage tanks are equipment used for storing and transporting liquid CO2 (carbon dioxide) at low temperatures. Here is some information related to low-temperature CO2 storage tanks:
- Tank Structure: These tanks typically feature a double-walled design, with the inner wall for storing liquid CO2 and the outer wall for insulation. The interior is usually made of stainless steel or aluminum alloy, offering excellent corrosion resistance.
- Storage Temperature: The storage temperature for low-temperature CO2 tanks usually ranges from -40°C to -196°C, depending on specific application requirements. Temperature control is crucial for maintaining the stability and safety of the liquid CO2.
- Storage Capacity: The capacity of low-temperature CO2 storage tanks can be selected based on actual needs, generally ranging from a few thousand to tens of thousands of liters. The choice of capacity should consider storage requirements, supply frequency, and spatial constraints.
- Safety Protection: These tanks require safety equipment such as pressure relief devices (like safety valves), pressure sensors, and temperature sensors to ensure internal pressure and temperature remain within safe limits.
- Transportation: Low-temperature CO2 storage tanks can be transported via road, rail, or ship. Proper insulation measures must be taken during transportation to maintain the low-temperature state of the liquid CO2 inside.
- Safe Operation: The operation of low-temperature CO2 storage tanks requires training and adherence to safety operating procedures. Operators should be familiar with the tank's characteristics and safety precautions to ensure safe and effective operation.
- Regular Inspection and Maintenance: Regular checks and maintenance are necessary for low-temperature CO2 storage tanks, including visual inspections, valve and pipeline checks, and pressure relief device checks. Regular maintenance ensures the tank operates normally and safely.
The above information covers some key aspects of low-temperature CO2 storage tanks. When using and operating these tanks, it is essential to follow relevant safety regulations and standards and consult with experts to ensure safety and effectiveness.
Carbon dioxide is widely used as a protective gas in metal welding processes during welding. The following are the main applications of carbon dioxide in welding:
1. Gas Metal Arc Welding (GMAW): Carbon dioxide is commonly used as a protective gas in the GMAW welding process. In GMAW welding, the arc generates high temperatures in the welding area, which can also cause oxidation reactions of oxygen and water vapor, leading to reduced weld quality. By injecting carbon dioxide gas into the welding area, a protective atmosphere is formed to prevent oxygen and water vapor from entering, thereby improving the quality and strength of the weld.
2. Mixed Gas Metal Arc Welding (GMAW): Carbon dioxide is also often mixed with other gases (such as argon) to form mixed gas protection welding. The use of mixed gases can adjust the arc stability, molten pool formation, and weld quality during the welding process, enhancing the welding results.
3. Gas Shielded Brazing: Carbon dioxide can also be used in the gas shielded brazing process. During brazing, the carbon dioxide gas provides a protective atmosphere to prevent oxidation and contamination in the brazing area, ensuring the quality of the brazed joint.
4. Gas Shielded Cutting: Carbon dioxide can also be used in the gas shielded cutting process. In gas shielded cutting, by injecting carbon dioxide gas into the cutting area, a protective atmosphere is formed to prevent oxidation and contamination in the cutting area, improving the quality and speed of cutting.
It should be noted that the application of carbon dioxide in the welding process needs to be adjusted and optimized according to specific welding materials, methods, and requirements. When using carbon dioxide for welding, it is necessary to follow relevant safety operation procedures and guidelines to ensure the safety and quality of the welding process.
Chongjie Special Equipment upholds the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," focusing solely on the development of green energy equipment. We dedicate our high-value products and services to society!




































