Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Development Zone, Heze City, with a registered capital of 50 million yuan and total assets of 500 million yuan. The company has 7 business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total area of 200,000 square meters, with the main workshop spanning 83,000 square meters. It currently employs 710 people, including 247 engineers and technicians, and 82 intermediate-level technical personnel. In December 2016, it was recognized as a "High-tech Enterprise" by the Science and Technology Department. In June 2021, it was identified as a "Specialized and New Enterprise in Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
Proper management regulations for the use of low-temperature liquid storage tanks encompass the following aspects:
Tank Selection and Installation: Choose a suitable low-temperature liquid storage tank and ensure it complies with relevant standards and regulations. The installation of the tank should be carried out by personnel and operated according to the manufacturer's instructions and requirements, ensuring the stability and safety of the tank.
Safety Operating Procedures: Establish and implement safety operating procedures for liquid storage tanks, including startup, shutdown, filling, and venting operations. Operators should receive training to understand the characteristics of liquid storage tanks, safety precautions, and emergency response measures.
Safety Equipment and Protection Measures: Tanks should be equipped with necessary safety devices such as pressure sensors, safety valves, and leak detectors to monitor and control the pressure and temperature of the tank. At the same time, operators should wear appropriate personal protective equipment like insulating gloves and protective suits to ensure their own safety.
Regular Inspections and Maintenance: Conduct regular inspections and maintenance on low-temperature liquid storage tanks, including checking the tank's appearance, sealing, and corrosion prevention measures. In case of any issues, promptly repair or replace the tank to ensure its proper operation and safety.
Waste Management: Abandoned low-temperature liquid storage tanks should be disposed of in accordance with relevant environmental protection regulations. Residual liquids in abandoned tanks should be properly handled to prevent environmental pollution.
Tank Records and Tracking: Establish tank usage records, including filling dates, quantities, and usage status. Additionally, it is recommended to set up a tank tracking system for monitoring and managing tank usage and maintenance.
Above are some common management regulations for low-temperature liquid storage tanks. Specific regulations may vary depending on the industry and region. When using low-temperature liquid storage tanks, relevant laws and standards should be adhered to, and appropriate management measures should be established based on the actual situation.

When storing liquid nitrogen in low-temperature storage tanks, the following points should be noted:
Protective Gear: When operating low-temperature storage tanks, it is mandatory to wear appropriate protective gear, including protective gloves, suits, and non-slip shoes. This gear safeguards the skin from the low temperatures of liquid nitrogen and other hazards.
Avoid direct contact: Liquid nitrogen is extremely cold and can cause frostbite. Hence, it should be avoided to come into direct contact with liquid nitrogen, especially with the skin. Use tools or implements for handling to prevent direct hand contact with liquid nitrogen.
Ventilation Requirements: In the operation area of low-temperature storage tanks, adequate ventilation must be ensured to expel gases produced by the evaporation of liquid nitrogen. Maintain air circulation to avoid excessive oxygen concentration, and reduce the risk of fire and explosion.
Prevent Leaks: Regularly inspect low-temperature storage tanks for leaks and equip with leak detection and alarm systems. In case of a leak, take immediate measures to control and repair it. Avoid harm to personnel and the environment due to the leakage of liquid nitrogen.
Fire Prevention Measures: Liquid nitrogen has a low boiling and freezing point, which is prone to causing fires. To prevent and contain fires, fire walls and fire-resistant coatings are installed around low-temperature storage tanks.
Static protection: Electrostatic buildup in low-temperature storage tanks may cause sparks, increasing the risk of fire. Measures should be taken

The use and operation of the liquid oxygen storage tank system should be mindful of the following points:
Safe Operation: When operating the liquid oxygen storage system, it is mandatory to follow the relevant safety operation procedures and standards to ensure the safety of the operators.
Tanks Selection: Choose liquid oxygen tanks that comply with regulations and standards, ensuring their quality and safety performance.
Tank Installation: Tanks should be installed on a solid foundation to ensure stability. Additionally, good ventilation should be maintained around the tank, and it should be kept away from flammable materials and heat sources.
Seal Integrity Check: Regularly inspect the seal performance of the storage tank system to ensure there are no leaks at valve and pipeline joints.
Pressure Control: The storage tank system should be equipped with a pressure gauge and a safety valve, with regular inspections and maintenance to ensure pressure remains within safe limits.
Fire Protection Measures: Liquid oxygen contains a high concentration of oxygen, which is highly flammable. Set up fire barriers around the storage tank system, ban smoking and open flames, and ensure safety.
Static protection: During the operation of the liquid oxygen system, static electricity 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.
Regular inspections and maintenance: Conduct regular checks on the storage tank system and associated equipment, including valves, pipes, pressure gauges, etc. Ensure the equipment is in perfect condition and promptly repair or replace any damaged parts.
Waste Gas Treatment: During the operation of the liquid oxygen system, waste gas is produced, and appropriate waste gas treatment measures must be taken to minimize environmental impact.
Above are the precautions to be taken when using the liquid oxygen storage tank system, ensuring operational safety and the smooth operation of the system. During operation, strictly follow the relevant operational procedures and safety requirements to prevent accidents.

During the operation of low-temperature liquid storage tanks, the following points should be noted:
Protective Gear: When handling low-temperature liquid storage tanks, it is mandatory to wear appropriate protective gear, including gloves, protective clothing, and non-slip shoes. This gear helps protect the skin from injuries caused by low-temperature liquids.
Avoid direct contact: Low-temperature liquids can be very cold and cause chills. Hence, it is essential to avoid direct contact with low-temperature liquids, especially with the skin. Use tools or equipment for handling, and prevent hands from coming into direct contact with low-temperature liquids.
Ventilation Requirements: In the operational area of low-temperature liquid storage tanks, adequate ventilation must be ensured to expel gases produced by the evaporation of low-temperature liquids. Maintain air circulation to avoid excessive oxygen concentration and reduce the risk of fire and explosion.
Prevent Leaks: Regularly inspect low-temperature liquid storage tanks for leaks and equip with leak detection and alarm systems. In case of a leak, take immediate action to control and repair it. Avoid harm to personnel and the environment caused by the leakage of low-temperature liquids.
Fire Prevention Measures: Low-temperature liquids have low boiling and freezing points, which are prone to cause fires. Measures such as setting up fire barriers around low-temperature liquid storage tanks and using fire-resistant coatings are taken to prevent fires from occurring and spreading.
Static Protection: Handling low-temperature liquids may generate static electricity, increasing the risk of sparks that could ignite fires. Measures such as using static-conductive materials and anti-static equipment are taken to reduce the accumulation and release of static electricity.
Regular Inspections and Maintenance: Conduct regular checks on the condition of low-temperature liquid storage tanks and related equipment, including valves, pipes, pressure gauges, etc. Ensure that the equipment is in good condition without damage, and promptly repair or replace any damaged parts.
Waste Gas Treatment: During the process of using low-temperature liquids, waste gas is produced. Appropriate waste gas treatment measures must be taken to minimize environmental impact.
Above are the points to be aware of when using low-temperature liquid storage tanks, to ensure safe operation and normal tank operation. During operation, strictly follow the relevant operating procedures and safety operation requirements, avoid
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