Shandong Zhongjie Special Equipment's main products include: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat recovery boilers, and other boiler products; vacuum insulation cryogenic pressure vessels such as LNG tanks, oxygen/nitrogen/argon tanks, and CO2 tanks; pressure vessel products like denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment; as well as central air conditioning and HVAC equipment such as ground (water) source heat pumps, air source units, water-cooled screw units, and air-cooled modules. Planned products include large-scale energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
To ensure the quality of liquid oxygen tanks, the following measures can be taken:
选择可靠的供应商：选择有资质和经验的储罐制造商或供应商，确保其具备良好的声誉和可靠的质量管理体系。
Comply strictly with relevant standards and regulations: The design, manufacturing, and installation of liquid oxygen storage tanks should adhere to the relevant standards and regulations, such as standards, industry standards, or.
Quality Control and Inspection: Rigorous quality control and inspection are conducted throughout the manufacturing process, including raw material inspection, process monitoring, and finished product testing. Ensure that the materials, welding, and sealing of the storage tanks meet the required standards.
Comprehensive Quality Management System: Establish and implement a comprehensive quality management system, including quality control plans, quality inspection records, and quality training, to ensure that every stage meets quality requirements.
Regular maintenance and inspection: Regular maintenance and inspection of liquid oxygen storage tanks, including cleaning, coating protection, and corrosion prevention, to extend the service life of the tanks and maintain their good working condition.
Safety Operations and Management: Establish and implement safety operations and management systems, including proper use of tanks, operational procedures, and safety training, to ensure the safety and reliability of tanks during use.
Regular Inspections and Assessments: Conduct regular inspections and assessments of liquid oxygen tanks, including visual inspections, pressure tests, leak detection, and as required, non-destructive testing and material analysis, to ensure the quality and safety of the tanks.
By implementing these measures, the quality, reliability, and safety of the liquid oxygen storage tanks can be effectively ensured, meeting usage requirements and standards.

Tanks are specialized storage equipment that requires regular inspections and maintenance to ensure safe operation. Here are common inspection methods for tanks:
Appearance Inspection: Regularly inspect the exterior of the storage tank for any issues such as leaks, corrosion, deformation, cracks, etc. Pay special attention to the integrity of the tank's joints, welds, and valves.
Pressure Test: Conduct pressure tests to inspect the tank's sealing performance and pressure resistance. Use a pressure gauge or pressure sensor to perform the pressure test on the tank, ensuring it can withstand the designed pressure.
Ultrasonic Testing: Ultrasonic testing can be used to detect corrosion, cracks, and other issues in storage tank walls. By scanning the tank with ultrasonic detection equipment, potential defects and problems are identified.
Magnetic Particle Inspection: Magnetic particle inspection is used to detect cracks and weld quality in storage tank walls. By applying magnetic particles to the tank surface and then using a magnetic particle inspection device to observe for particle aggregation, it can determine the presence of cracks or weld issues.
Environmental Monitoring: Regularly monitor the environment around storage tanks, including gas concentration and temperature parameters, to ensure the safety of the surrounding environment.
Note that the inspection of tanks should be conducted by certified inspection agencies or qualified inspectors. The frequency and methods of inspection should be determined based on the tank's usage, size, and relevant regulatory requirements. Regular inspections and maintenance can help identify potential issues early on, ensuring the safe operation of the tanks.

To prevent dangers associated with liquid oxygen storage tanks, the following precautions can be taken:
Safety Operation and Management: Establish and enforce strict safety operation and management systems, including the proper use of tanks, operational procedures, safety training, etc. Ensure that operators possess the necessary safety awareness and skills, adhere to operational procedures, and minimize operational errors and the likelihood of accidents.
Regular inspections and maintenance: Conduct regular checks and maintenance on liquid oxygen tanks, including visual inspections, pressure tests, and leak detection. Promptly identify and address any issues with the tanks to ensure their safety and reliability.
Safety devices and protective equipment: Tanks should be equipped with necessary safety devices such as pressure relief valves and level alarm systems, as well as protective equipment like fire barriers and explosion-proof devices. These devices and equipment can take timely measures during abnormal situations to ensure the safety of the tank.
Fire Prevention Measures: Liquid oxygen contains a high oxygen content and is prone to cause fires. Therefore, fire prevention measures such as fire walls and fire extinguishers should be set up around the storage tanks to prevent the spread and expansion of fires.
Leakage Control and Emergency Response Plan: Establish a plan for the liquid oxygen storage tank leakage control and emergency response, including leakage control measures, emergency response procedures, and evacuation plans for personnel. In the event of a leakage incident, the ability to quickly take action to control the leak and ensure personnel safety is paramount.
Training and Awareness Enhancement: Conduct regular safety training for personnel using liquid oxygen tanks to enhance their safety awareness and emergency response capabilities. Strengthen safety

The fabrication of the heads and cylinders for low-temperature storage tanks typically includes the following processes:
Material Preparation: Select suitable materials, such as low-temperature alloy steel or stainless steel, based on design requirements and specifications. Inspect and accept the materials to ensure their quality meets the standards.
Sheet Material Cutting: Sheets are cut according to design dimensions and shapes. Common cutting methods include flame cutting, plasma cutting, or laser cutting, etc.
Bending and Shaping: Cut sheets are bent and shaped to form heads and cylindrical shapes. Common shaping methods include cold bending, hot bending, or hydraulic forming, etc.
Welding: Welds the shaped sheets together to form the structure of the head and cylinder. Common welding methods include manual arc welding, gas shielded welding, or laser welding, etc.
Weld Seam Treatment: Process the weld seams after welding, such as grinding, polishing, or applying anti-corrosion coatings, to enhance the quality and appearance of the seams.
Inspection and Acceptance: Conduct inspections and acceptances on the finished caps and cylinders to ensure their quality and compliance with design specifications. Common inspection methods include ultrasonic testing, radiographic testing, or liquid penetrant testing, etc.
Reinforcement and Support: As required, reinforcement and support processing and installation are performed on the heads and cylinders to enhance the structural strength and stability.
Surface Treatment: The heads and cylinders are subject to surface treatment, such as coating with anti-corrosion paint, hot galvanizing, or polishing, to enhance their corrosion resistance and aesthetic quality.
It is important to note that the manufacturing process of low-temperature storage tanks must comply with relevant standards and regulations to ensure the quality and safety of the production. During the manufacturing process, strict adherence to safety operation procedures and the implementation of necessary protective measures are required to ensure the safety of the operators.
Zhongjie Special Equipment upholds the great 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 offer society products and services with high cost-performance!