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.
To extend the service life of liquid argon storage tanks, the following measures can be taken:
Regular Inspections and Maintenance: Conduct periodic visual inspections, valve and fitting checks, as well as leak detection and pressure tests on liquid argon storage tanks. Promptly identify and repair potential issues to ensure the tank operates normally.
Maintain the insulation layer: The insulation is crucial for the thermal preservation of liquid argon tanks. Regularly inspect the integrity and insulating properties of the insulation, repair or replace any damaged insulation materials to ensure the tank's insulating effectiveness.
Control Liquid Argon Temperature: The temperature of liquid argon should be maintained within an appropriate range to prevent damage to the storage tank from excessive or low temperatures. Implement suitable cooling or heating measures to ensure the stable temperature of the liquid argon.
Corrosion Protection: The outer shell and internal structure of the liquid argon tank should be protected against corrosion and oxidation. Regularly inspect and maintain the protective coating to ensure its integrity.
Avoid excessive pressure and overfilling: Prevent the internal pressure of the tank from becoming too high or too low, as well as overfilling with liquid argon. Excessive pressure and overfilling can lead to structural cracking or damage to the tank.
Regular cleaning and waste removal: Regularly clean the interior of the tank to remove accumulated impurities and dirt. Regularly remove waste to prevent contaminants and sediments in liquid argon from damaging the tank.
Safety Operations and Training: Ensure operators have knowledge and skills for safe operation of liquid argon tanks. Enhance safety training to improve operators' safety awareness and emergency response capabilities.
Manage records and documents: Establish comprehensive management records and documents, including tank usage, inspection logs, maintenance records, etc. Regularly review and update management records to ensure the safety management and maintenance of the tanks.
These measures can help extend the service life of liquid argon storage tanks, but specific operations and management should be tailored to the type and application of the tank. When performing maintenance and operation, please follow relevant regulations and standards and consult experts to ensure safety and effectiveness.

Liquid Oxygen Stations are facilities used for storing and supplying liquid oxygen, with liquid oxygen tanks being a crucial component of these stations. The liquid oxygen tanks possess several important functions and characteristics:
Store Liquid Oxygen: Liquid oxygen tanks are primarily used for storing liquid oxygen, cooling gaseous oxygen below its critical temperature to convert it into a liquid state. The storage density of liquid oxygen is high, allowing for the storage of large amounts of oxygen in a relatively small space.
Maintain Low Temperature: Liquid oxygen tanks typically feature a double-layered structure with a vacuum layer separating the inner and outer layers to minimize heat transfer and maintain low temperatures. This helps to keep the liquid oxygen at a低温 state, preventing premature vaporization.
Safety Design: Liquid oxygen tanks must be designed and manufactured with safety in mind. They are typically made from high-strength materials such as stainless steel or aluminum alloy to withstand high pressure and low-temperature conditions. Additionally, liquid oxygen tanks are equipped with safety valves, pressure sensors, and temperature sensors to ensure that the internal pressure and temperature of the tank remain within safe limits.
Supply System Connection: Liquid oxygen tanks are typically connected to the supply system to transport liquid oxygen to the required locations. The supply system includes liquid oxygen pumps, pipelines, and valves, etc., which are used to extract liquid oxygen from the tank and deliver it to the user end.
Liquid oxygen tanks play a crucial role in storing and maintaining liquid oxygen in liquid oxygen stations. Their design and use must strictly adhere to relevant safety regulations and operational procedures to ensure the safety and reliability of the storage and supply process.

Proper installation of the liquid oxygen tank safety valve is a crucial step in ensuring the safe operation of the liquid oxygen tank. Here are the installation steps for the liquid oxygen tank safety valve:
Select the appropriate safety valve: Choose a safety valve that meets the design pressure and flow requirements of the liquid oxygen storage tank. Ensure the rated pressure and flow of the safety valve align with the tank's specifications and comply with relevant safety standards and regulations.
Valve Installation Location: Choose a suitable location for installing the safety valve. Typically, the safety valve should be mounted on the top or side of the liquid oxygen storage tank to allow for timely pressure release in the event of overpressure.
Ready for installation interfaces: Prepare the corresponding interfaces based on the type of connection of the safety valve. This may include welding interfaces, threaded interfaces, or flange interfaces, etc. Ensure the sealing and firmness of the connections.
Install the safety valve: Mount the safety valve onto the prepared interface. Follow the installation instructions for the safety valve to ensure it is correctly connected and securely fastened.
Adjustment and Testing: After installation, adjust and test according to the requirements of the safety valve. Ensure the opening and closing pressures of the safety valve meet the design specifications and conduct a leak test to ensure its sealing integrity.
Identification and Record: Label the safety valve with relevant information such as rated pressure, flow rate, and installation date. Additionally, record the installation details and test results of the safety valve for future reference and maintenance.
When installing the liquid oxygen storage tank safety valve, it is essential to follow the relevant safety regulations and operation guidelines. If you lack the necessary experience and knowledge, it is advisable to seek assistance and guidance from professionals to ensure the correct installation and reliable operation of the safety valve.

Liquid nitrogen storage tanks are widely used in meat freezing. Here are several main applications of liquid nitrogen storage tanks in meat freezing:
Rapid Freezing: Liquid nitrogen tanks can provide low temperatures for quickly freezing meats to the required temperature. Due to the low-temperature characteristics of liquid nitrogen, meats can be rapidly cooled in a short period, effectively preserving their quality and texture.
Chilled Storage: Liquid nitrogen tanks are suitable for long-term freezing storage of meat products. Placing meat in a liquid nitrogen tank can maintain it at low temperatures, preventing the growth of bacteria and microorganisms, and extending the shelf life of the meat.
Chilled Transportation: Liquid nitrogen tanks can be used for the frozen transportation of meat products. Placing meat in a liquid nitrogen tank maintains its低温 state, ensuring the quality and freshness of the meat throughout transportation.
Chilling Processing: Liquid nitrogen tanks are suitable for meat chilling. By exposing meat to liquid nitrogen, the surface can be rapidly frozen, forming a chilling layer, thus preserving the meat's moisture and nutritional content.
Chilled Processing: Liquid nitrogen tanks are suitable for meat freezing processing. Placing meat in liquid nitrogen makes it harder and crisper, facilitating cutting, slicing, and processing.
Be mindful that when using liquid nitrogen tanks for meat freezing, it is crucial to adhere to the relevant safety operating procedures and guidelines. Ensure that operators are equipped with the necessary safety awareness and operational skills to prevent accidents. Additionally, consult the food safety authority for specific recommendations.
Shandong Zhongjie Special Equipment, welcome customers to visit our factory for business discussions.