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 cryogenic pressure vessels such as LNG tanks, oxygen/nitrogen/argon tanks, CO2 tanks; pressure vessel products like denitrification engineering equipment, heat storage and energy storage equipment, complete chemical equipment sets; central air conditioning and 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.
Oxygen storage tanks and liquid oxygen storage tanks are devices used for storing oxygen, but they have some distinctions: Storage Form: Oxygen storage tanks are typically used for storing gaseous oxygen, while liquid oxygen storage tanks are for storing liquid oxygen. Oxygen is in a gaseous state at room temperature but can be cooled to a liquid state at low temperatures for more efficient storage and use. Storage Pressure: Oxygen storage tanks usually store high-pressure oxygen, with pressures around 200-300 bar. Liquid oxygen storage tanks store liquid oxygen at lower pressures, generally around 2-5 bar. Storage Capacity: Oxygen storage tanks usually have smaller capacities, suitable for personal or small-scale use. Liquid oxygen storage tanks have larger capacities, suitable for industrial or large-scale applications. Storage Method: Oxygen storage tanks store oxygen in a gaseous form, utilizing compressed gas storage. Liquid oxygen storage tanks store oxygen in a liquid form, converting it to a liquid state by cooling it below its boiling point. Safety Requirements: Due to the high oxidizing nature of liquid oxygen, liquid oxygen storage tanks require stricter safety requirements in design and use. They typically need to have good thermal insulation, leak control, and fire prevention measures to ensure safe operation. It should be noted that the specific design and specifications of oxygen storage tanks and liquid oxygen storage tanks may vary depending on different regions and application sites. When using these tanks, it is essential to follow applicable regulations, standards, and safety guidelines, and to cooperate with local regulatory authorities and personnel to ensure the safety and reliability of the tanks.

To safely utilize liquid oxygen tanks, attention should be given 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 handle liquid oxygen tanks.
Safety Operating Procedures: Establish and adhere to safe operating procedures for liquid oxygen tanks, including proper operational processes, protective measures, and emergency response plans. Ensure operators follow the procedures to minimize accident risks.
Equipment Inspection and Maintenance: Regularly inspect the status of liquid oxygen storage tanks and related equipment, including valves, pipelines, pressure gauges, etc. Ensure that 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 detecting a leak, immediate action should be taken to contain the source and initiate repairs.
Fire Prevention Measures: Liquid oxygen has a high oxygen content and is prone to causing fires. To prevent and contain fires, firewalls and fire-resistant coatings should be installed around the liquid oxygen storage tanks.
Electrostatic Protection: The accumulation of static electricity in liquid oxygen tanks may cause sparks, increasing the risk of fire. Measures such as using electrostatic conductive materials and anti-static equipment should be taken to reduce the buildup and release of static electricity.
Ventilation Requirements: Ensure adequate ventilation within the enclosed space of the liquid oxygen tank to expel gases produced by the evaporation of liquid oxygen. Avoid excessive oxygen concentrations and minimize...

Liquid Argon Storage Tanks are equipment used for storing and transporting liquid argon. Their application scope and characteristics are as follows:
Application Scope:
Industrial Applications: Liquid argon storage tanks are widely used in various industrial fields, such as metal processing, electronic manufacturing, semiconductor production, and more.
Application: Liquid argon tanks are used in the field for cryogenic storage of biological samples, cells, tissues, and vaccines.
Laboratory Applications: Liquid argon tanks are used in scientific research laboratories for low-temperature experiments, cryopreservation, and sample processing, etc.
Features:
Low-temperature Performance: Liquid argon has a boiling point of -185.7°C, hence the liquid argon storage tank must possess excellent low-temperature insulation properties to maintain its低温 state.
High-sealed: Liquid argon storage tanks must have excellent sealing performance to prevent evaporation loss of liquid argon and the entry of external air.
Safety: Liquid argon is a flammable and explosive substance, thus the liquid argon tank must be equipped with safety valves, leak detectors, and other safety devices to ensure safe operation.
High Capacity: The capacity of liquid argon storage tanks ranges from a few liters to several thousand liters, and the appropriate capacity can be selected based on requirements.
Cautionary Notes:
Protective Gear: When handling liquid argon storage tanks, it is mandatory to wear appropriate protective gear, including gloves, protective suits, and non-slip shoes, to safeguard against the low temperatures of liquid argon and other hazards.
Ventilation Requirements: In

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 matches the design pressure and flow requirements of the liquid oxygen storage tank. Ensure the rated pressure and flow of the safety valve meet the tank's specifications and comply with relevant safety standards and regulations.
Valve Installation Location: Choose a suitable location for the safety valve installation. 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 case of overpressure conditions.
Preparation for installation interfaces: Prepare the corresponding interfaces based on the connection method 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 that the opening and closing pressures of the safety valve meet the design specifications, and conduct a leakage test to ensure its sealing.
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 imperative to follow the relevant safety regulations and operation guidelines. If you lack the necessary experience and knowledge, it is recommended to seek assistance and guidance from professionals to ensure the correct installation and reliable operation of the safety valve.
Our company attaches great importance to technological innovation and R&D design, boasting one municipal-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and more. We are equipped with over 600 pieces of various equipment including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and others. The key products and technologies we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology projects, Shandong Provincial key projects, and Heze City innovative and excellent projects. We have accumulated 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas (PAW-GTAW) welding technology. The provincial-level scientific and technological achievement identification confirms that our technology level in deep cryogenic container manufacturing has reached an international standard. Choose Zhongjie Special Equipment, and let's create brilliance together!