Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological 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-freezing 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 staff, including 247 engineers and technicians, and 82 intermediate-level technicians. 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.
Prior to 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 internal cleanliness.
Drainage and Exhaust: Empty the gas inside the tank and expel it through the exhaust system to reduce the gas content within the tank. This helps minimize the interference of 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 has low-temperature properties. 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 tank, it is necessary to control the temperature of the tank. Typically, low-temperature mediums such as liquid nitrogen are used to cool the tank, ensuring that the temperature of the tank gradually drops below the boiling point of liquid oxygen.
Insulation and Heat Retention: Liquid oxygen tanks are typically designed with double or multi-layer structures, filled with insulating material in the middle to minimize heat transfer and evaporation of liquid oxygen. Ensure the integrity and good insulation of the insulating layer to enhance the cooling efficiency of the tank.
Under the aforementioned preconditions, the cooling operation of the liquid oxygen tank may be carried out. The cooling process must strictly adhere to the relevant safety regulations and operational guidelines to ensure the safe operation and use of the tank.

Liquid oxygen low-temperature storage tanks are primarily used for storing and supplying liquid oxygen, with their application methods varying according to specific needs and scenarios. Here are some common applications of liquid oxygen low-temperature storage tanks:
Application: Liquid Oxygen Low-Temperature Storage Tanks are widely used in the field for low-temperature preservation of biological samples, cells, tissues, and vaccines. Institutions such as biopharmaceutical research organizations and biobanks utilize liquid oxygen low-temperature storage tanks to store and protect these biological materials.
Experimental Research: Liquid Oxygen Low-Temperature Storage Tanks are used to provide low-temperature environments in scientific research and laboratories, for freezing preservation and cryogenic experiments. These tanks play a crucial role in experimental research across various fields, including physics, chemistry, biology, and materials science.
Industrial Applications: Liquid Oxygen Low-Temperature Storage Tanks are used in industrial sectors for providing low-temperature cooling, serving processes such as metalworking, welding, and heat treatment. These tanks can offer low temperatures, enabling metals to achieve the required hardness and toughness during processing.
Food Industry: Liquid oxygen low-temperature storage tanks are used in the food industry for freezing and refrigeration of food products, such as frozen meats, frozen fruits, and frozen seafood. The low temperature of liquid oxygen can quickly freeze the food, preserving its freshness and quality.
Liquid oxygen low-temperature storage tanks are used in the field for storing and supplying liquid oxygen as fuel. As a high-energy fuel, liquid oxygen is widely used in the propulsion systems of engines and devices.
During the operation of liquid oxygen low-temperature storage tanks, strict adherence to relevant safety regulations and operational guidelines is required to ensure the safe operation and use of the tanks. Liquid oxygen is highly flammable, so fire prevention measures must be taken when using low-temperature liquid oxygen storage tanks, and it must be ensured that there are no sources of fire in the vicinity of the tank.

A 50-cubic-meter liquid oxygen tank refers to a storage tank with a capacity of 50 cubic meters. Liquid oxygen tanks are commonly used for storing and supplying liquid oxygen for applications such as laboratory research, etc.
Key features and configurations of a 50 cubic meter liquid oxygen storage tank may include the following aspects:
Volume: A 50 cubic meter liquid oxygen tank can store a large quantity of liquid oxygen.
Structure: Liquid oxygen tanks are typically constructed with double or multi-layered designs, filled with insulating material in between to minimize heat transfer and evaporation of the liquid oxygen. The tank material is usually stainless steel or aluminum alloy, offering excellent corrosion and low-temperature resistance.
Insulation Layer: The insulation layer of liquid oxygen storage tanks commonly uses multi-layered insulation materials such as polyethylene foam, glass fiber, and vacuum layers to reduce heat transfer and evaporation of liquid oxygen.
Temperature Control System: Liquid oxygen tanks are typically equipped with a temperature control system to regulate the tank's temperature, maintaining the低温 state of the liquid oxygen.
Safety Equipment: Liquid Oxygen Storage Tanks are typically equipped with safety devices such as pressure sensors, temperature sensors, and safety valves to ensure safe operation of the tank.
It is essential to strictly adhere to the relevant safety regulations and operating guidelines when using liquid oxygen tanks to ensure their safe operation and use. Liquid oxygen is highly flammable, so fire prevention measures must be taken when using liquid oxygen tanks, and it must be ensured that there are no ignition sources nearby.

Consider the following aspects to differentiate between the advantages and disadvantages of liquid nitrogen tanks:
Material: Liquid nitrogen storage tanks are commonly made of high-strength, corrosion-resistant materials such as stainless steel or aluminum alloy. These materials offer excellent corrosion resistance and mechanical strength, ensuring the long-term stable operation of the tank.
Sealability: The liquid nitrogen storage tank should have excellent sealing performance, effectively preventing any leakage of liquid nitrogen. The valves, pipe connections, and other parts of the tank should be designed reasonably to ensure reliable sealing.
Insulation: Liquid nitrogen tanks should have excellent insulation properties to minimize evaporation loss. The insulation layer of the tank should use materials such as polyethylene foam to reduce heat conduction and evaporation loss.
Safety: The liquid nitrogen storage tank should have excellent safety performance, including equipped with safety valves, pressure gauges, and other safety devices, as well as featuring fireproof and explosion-proof functions. The design and manufacture of the tank should comply with relevant safety standards and regulations.
Service Life: Liquid nitrogen tanks typically have a long service life and can withstand long-term use and transportation. The manufacturer and reputation are also significant factors in evaluating the service life.
Price and After-Sales Service: The price of liquid nitrogen tanks should be reasonable, and excellent after-sales service should be provided. Choosing manufacturers or suppliers with a good reputation and reliable after-sales service ensures access to high-quality products and technical support.
Considering these factors, one can differentiate between the advantages and disadvantages of liquid nitrogen tanks. When selecting a liquid nitrogen tank, it is recommended to choose one that meets the requirements based on actual needs and usage environment to ensure safe and reliable storage of liquid nitrogen.
Zhongjie Special Equipment upholds the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," devotes itself wholeheartedly to the development of green energy equipment, and dedicates high-value products and services to society!