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 and GC2/Class pressure pipeline installation licenses, as well as an electromechanical 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 the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the American ASME/U2 certification.
Zhejiang Zhongjie Special Equipment Co., Ltd. is a manufacturer of low-temperature liquid storage tanks, offering design, manufacturing, and installation services for low-temperature liquid CO2 storage tanks. Here is an overview of the low-temperature liquid CO2 storage tanks produced by Zhejiang Zhongjie Special Equipment Co., Ltd.: - Tank Type: The low-temperature liquid CO2 storage tanks produced by Zhejiang Zhongjie Special Equipment Co., Ltd. typically come in vertical or horizontal designs, chosen based on customer requirements and site conditions. - Material: The tanks are mainly constructed from low-temperature steel, providing excellent corrosion and low-temperature resistance. - Insulation Layer: The interior of the tank features an insulation layer to minimize heat transfer and liquid evaporation. The insulation layer usually consists of multiple layers, including thermal insulation material and an outer protective layer. - Safety Valve and Pressure Relief Device: The tanks are equipped with safety valves and pressure relief devices to control internal pressure, preventing overpressure and explosion. - Liquid Level Indicator: The tank is fitted with a liquid level indicator for monitoring the liquid level within the tank, ensuring controlled and managed liquid storage. - Safety Measures: Zhejiang Zhongjie Special Equipment Co., Ltd.'s low-temperature liquid CO2 storage tanks comply with relevant safety specifications and standards. They have implemented various safety measures, including fire and explosion prevention measures, leakage detection, and alarm systems. - Customized Design: According to customer needs and application scenarios, Zhejiang Zhongjie Special Equipment Co., Ltd. can provide customized design and manufacturing services to meet the specific requirements of different customers.

The quality of CO2 storage tanks is related to several factors: Material Quality: The quality of the tank's material directly affects its corrosion resistance, strength, and sealing performance. Common materials include carbon steel and stainless steel, etc. Choosing high-quality materials can enhance the tank's quality and lifespan. Manufacturing Process: The manufacturing process significantly impacts the tank's quality. Welding, heat treatment, and surface treatment during production must comply with relevant standards and regulations to ensure the tank's structural integrity and performance stability. Design Specifications: The tank's design must adhere to relevant design specifications and standards, such as industry standards. A well-designed tank ensures sufficient strength and safety under normal operating conditions. Safety Accessories: The tank's safety accessories, such as safety valves, pressure sensors, and temperature sensors, play a crucial role in the tank's quality and safety. Selecting high-quality accessories and ensuring proper installation and tuning can improve the tank's quality and safety. Inspection and Testing: Inspections and tests, such as material inspections, weld inspections, and pressure tests, are required during the manufacturing process. These tests ensure the tank meets quality requirements and complies with safety standards. Usage and Maintenance: The tank's usage and maintenance also impact its quality. Proper usage and regular maintenance can extend the tank's lifespan and maintain its good working condition. In summary, the quality of CO2 storage tanks is influenced by factors such as material quality, manufacturing process, design specifications, safety accessories, inspections and testing, and usage and maintenance. When selecting and using storage tanks, attention should be given to these factors to ensure the tank's quality and safety.

Carbon dioxide is widely used as a shielding gas in metal welding processes. Here are the main applications of carbon dioxide in welding: Gas Metal Arc Welding (GMAW): Carbon dioxide is commonly used as a shielding gas in the GMAW welding process. In GMAW welding, the arc generates high temperatures in the welding area, which can also cause oxidation reactions with oxygen and water vapor, deteriorating weld quality. By injecting carbon dioxide gas into the welding area, a protective atmosphere is formed, preventing oxygen and water vapor from entering, thereby enhancing the quality and strength of the weld. Mixed Gas Shielding Welding (GMAW): Carbon dioxide is also often mixed with other gases (such as argon) to form mixed gas shielding welding. The use of mixed gases can adjust the arc stability, molten pool formation, and weld quality during the welding process, improving the welding outcome. Gas Shielded Brazing: Carbon dioxide can also be used in gas shielded brazing processes. During brazing, the carbon dioxide gas provides a protective atmosphere, preventing oxidation and contamination in the brazing area, ensuring the quality of the brazed joints. Gas Shielded Cutting: Carbon dioxide can also be used in gas shielded cutting processes. In gas shielded cutting, injecting carbon dioxide gas into the cutting area forms a protective atmosphere, preventing oxidation and contamination, and enhancing the quality and speed of the cut. It is important to note that the application of carbon dioxide in welding 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 operating procedures and guidelines to ensure the safety and quality of the welding process.

When selecting a carbon dioxide tank support, consider the following factors: Load Capacity: The design and selection of the support should be able to bear the weight and pressure of the tank. The load-bearing capacity of the support should be determined based on the tank's size, weight, and working conditions. Stability: The support should have sufficient stability to prevent the tank from tilting or collapsing during use. The design of the support should take into account the center of gravity position and changes of the tank to provide stable support. Corrosion Resistance: Since carbon dioxide has some corrosive properties, the material choice of the support should have good corrosion resistance to prevent corrosion and damage. Installation and Maintenance Ease: The design of the support should consider the ease of installation and maintenance for convenient tank installation, adjustment, and maintenance. Compliance with Relevant Standards and Regulations: The design and selection of the support should comply with relevant standards and regulations, such as Standard GB150 "Steel Pressure Vessel." Additionally, other related factors such as cost, reliability, and durability can also be considered. When selecting a support, consulting engineers or consulting companies can provide advice and guidance.
Zhejiang Zhejie Special Equipment adheres to the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We commit to society with high-quality, cost-effective products and services!