Shandong Zhongjie Special Equipment's main products include: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat boilers, and other boiler products; vacuum insulation deep-freeze pressure vessels such as LNG tanks, oxygen/nitrogen/argon tanks, CO2 tanks; pressure vessel products such as denitrification engineering equipment, heat storage and energy storage equipment, complete chemical equipment sets; central air conditioning and heating ventilation equipment such as ground (water) source heat pumps, air source units, water-cooled screw units, and air-cooled modular units. Planned products include large-scale energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
To prevent dangers caused by static electricity in liquid oxygen storage tanks, the following measures can be taken:
Ensure proper grounding of the liquid oxygen storage tank and related equipment. Grounding helps dissipate static electricity to the ground, reducing the likelihood of static buildup. Metal components such as tanks and pipelines should be connected to a reliable grounding system.
Static dissipative materials: Utilize static dissipative materials to reduce the accumulation of static electricity. For instance, apply conductive coatings or materials on the insulation layer of liquid oxygen tanks and pipelines to discharge static electricity to the ground.
Anti-static Equipment: Utilize anti-static equipment, such as static-conductive pipes and hoses, to minimize the accumulation and release of static electricity. These devices aid in grounding static electricity, reducing the occurrence of static sparks.
Static ground wire: Install static ground wires on liquid oxygen storage tanks and related equipment to discharge static electricity to the ground. These ground wires should be connected to a reliable grounding system and checked and maintained regularly.
Electrostatic Discharger: Utilize an electrostatic discharger to neutralize static electricity. It can neutralize static by releasing opposite charges, reducing the buildup of static and the occurrence of sparks.
Electrostatic Safety Training: Conduct electrostatic safety training for personnel using liquid oxygen tanks to enhance their awareness and prevention of electrostatic hazards. The training content can include the principles of electrostatic formation, preventive measures, and emergency response procedures.
It is essential that the static prevention measures for liquid oxygen tanks be designed and implemented by personnel, adhering to relevant safety operating procedures and standards. During operation, strict adherence to the prescribed operating procedures is required to avoid the generation of static sparks and ensure the safety of the tank.

To safely operate a liquid oxygen storage tank, attention should be paid to the following aspects:
Training: Operators of liquid oxygen tanks must undergo training to understand the properties of liquid oxygen, safety operating procedures, and emergency response measures. Only trained personnel are authorized to operate liquid oxygen tanks.
Safety Operating Procedures: Establish and adhere to the safe operating procedures for liquid oxygen tanks, including proper operational procedures, protective measures, and emergency response plans. Ensure that operators follow the procedures to minimize the risk of accidents.
Equipment Inspection and Maintenance: Regularly inspect the condition of liquid oxygen tanks and associated equipment, including valves, pipes, pressure gauges, etc. Ensure the equipment is in perfect condition and promptly repair or replace any damaged parts.
Leakage Control: Equipped with leak detection and alarm systems to promptly identify and control leaks in liquid oxygen storage tanks. Upon detection of a leak, immediate measures should be taken to contain the source of the leak and initiate repairs.
Fire Prevention Measures: Liquid oxygen contains a high oxygen concentration, which is prone to causing fires. To prevent and contain fires, fireproof walls and fire-resistant coatings are installed around the liquid oxygen storage tanks.
Static protection: Electrostatic buildup in liquid oxygen tanks may cause sparks, increasing the risk of fire. Measures such as using static-conductive materials and anti-static equipment are taken to reduce the accumulation and release of static electricity.
Ventilation Requirements: Ensure adequate ventilation within the enclosed space of the liquid oxygen storage tank to expel gases produced by the evaporation of liquid oxygen. Avoid excessive oxygen concentration and reduce

A liquid oxygen storage tank is a device used for storing liquid oxygen. Liquid oxygen is the liquid form obtained by cooling oxygen below its boiling point and is commonly used in fields such as medical, industrial production, and equipment. Liquid oxygen storage tanks are typically made from high-strength materials like stainless steel to ensure they can withstand the low temperatures and high pressures of liquid oxygen. The interior of the tank usually features an insulating layer to reduce evaporation of the liquid oxygen and maintain its低温 state. The design and manufacturing of liquid oxygen storage tanks must consider safety and reliability to prevent leaks and explosions. Strict operational procedures and safety standards must be followed when using liquid oxygen storage tanks to ensure the safety of personnel and equipment. The development and manufacturing of liquid oxygen storage tanks are conducted by engineers and technical teams, involving knowledge and technology from various fields such as materials science, mechanical engineering, and chemical engineering. Different manufacturers may use different design and manufacturing methods to meet the needs and application scenarios of various users.

Before cooling the liquid oxygen tank, the following prerequisites must be met:
Clean Vessels: Ensure the interior of the tank is clean, free of impurities and contaminants. The tank should be properly cleaned and flushed to maintain its cleanliness.
Drainage and Exhaust: Empty the gas within the storage tank and expel it through the exhaust system to reduce the gas content inside the tank. This can minimize the interference of the gas on the cooling process.
Safety Precautions: Prior to cooling the liquid oxygen tank, necessary safety measures must be taken. Liquid oxygen is highly flammable and exhibits low-temperature properties, so operators should wear appropriate protective suits, gloves, and other personal protective equipment to ensure safe operation.
Temperature Control: During the cooling process of the liquid oxygen storage tank, the temperature of the tank must be controlled. Typically, low-temperature media such as liquid nitrogen are used to cool the tank, ensuring that the temperature gradually decreases below the boiling point of liquid oxygen.
Insulation and Heat Retention: Liquid oxygen storage tanks are typically designed with double or multi-layer structures, filled with insulating material in between to minimize heat transfer and evaporation of the liquid oxygen. Ensuring the integrity and good insulation of the insulating layer enhances the cooling efficiency of the tank.
Under the above prerequisite conditions, the cooling operation of the liquid oxygen tank may be performed. The cooling process must strictly adhere to the relevant safety regulations and operating guidelines to ensure the safe operation and use of the tank.
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!