Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, an A2-grade pressure vessel manufacturing license, an A2-grade pressure vessel design license, a B-grade boiler installation license, and GB2/Class and GC2/Class pressure pipeline installation licenses, as well as a mechanical and electrical equipment installation contracting qualification. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the council unit of the Shandong Equipment Manufacturing Association. The company has also passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the American ASME/U2 certification.
Liquid Argon Storage Tanks are specialized equipment designed for storing liquid argon, featuring the following parameters, functions, and characteristics:
Parameters:
Storage Capacity: The capacity of liquid argon storage tanks can be customized to meet requirements, with various sizes available, such as 500L, 1000L, 2000L, etc.
Work Pressure: The working pressure of liquid argon tanks is typically atmospheric or slightly above atmospheric pressure.
Storage Temperature: Liquid argon tanks are typically stored at -196 degrees Celsius, which is the boiling point of argon, maintaining its liquid state.
Feature:
Liquid Argon Storage: Liquid argon tanks are primarily used for storing liquid argon, maintaining its liquid state at low temperatures for supply and usage.
Insulation: The liquid argon storage tank is equipped with insulation materials and structural design to minimize heat conduction and retention, maintaining the low-temperature state of liquid argon.
Safety Control: The liquid argon tank is equipped with safety devices such as pressure relief valves and level alarms to ensure safe operation and use.
Features:
High Purity Supply: Liquid Argon Tanks offer high purity liquid argon supply to meet application needs such as cryogenic storage, gas shielded welding, and semiconductor manufacturing.
Long-term Storage: Liquid argon cylinders are designed for long-term storage of liquid argon, extending their service life. By controlling the cylinder's internal temperature and the performance of the insulation layer, the evaporation and oxidation of liquid argon are slowed down.
Multi-Domain Applications: Liquid Argon Storage Tanks are widely used in various fields such as industry and scientific research, including freezing and semiconductor manufacturing.
Environmental Protection and Energy Conservation: Liquid argon tanks enable efficient storage and utilization of liquid argon, reducing energy waste and environmental pollution.
In summary, liquid argon storage tanks are designed for storing liquid argon, thermal insulation, and safety.

Liquid argon storage tanks are equipment used for storing and transporting liquid argon, featuring the following characteristics:
Low-temperature retention performance: The liquid argon tank is equipped with special insulation materials and structural design, effectively maintaining the low-temperature state of liquid argon. The tank is internally lined with insulation to reduce heat conduction and loss, ensuring long-term storage of liquid argon.
High-sealed performance: The liquid argon tank features excellent sealing properties, effectively preventing any leakage or evaporation of liquid argon. The tank's valves, connectors, and sealing components are designed and manufactured with precision, ensuring reliable sealing performance.
High strength and corrosion resistance: The liquid argon storage tank is made of high-strength materials, capable of withstanding the high pressure and low temperature of liquid argon. Both the internal and external surfaces of the tank have been specially treated, offering excellent corrosion resistance and the ability to withstand corrosion and oxidation from liquid argon.
Safety Performance: The liquid argon tank is equipped with multiple safety protection measures, including safety valves, pressure sensors, and level monitoring devices. These devices monitor and control the tank's pressure, temperature, and level, ensuring the tank operates within a safe range.
Reliability and Stability: The liquid argon storage tank has been rigorously designed, manufactured, and tested, offering excellent reliability and stability. The tank can store and transport liquid argon consistently over long periods, ensuring the quality and performance of the liquid argon remain unaffected.
Easy to operate and maintain: The liquid argon tank is relatively simple to operate and maintain, equipped with valves and fittings that are easy to use. The maintenance work mainly includes regular inspections, cleaning, and repairs, which can extend the service life of the tank.
The performance characteristics of liquid argon tanks make them essential for the storage and transportation of liquid argon, widely used in scientific research, industry, and other fields. When using liquid argon tanks, it is crucial to strictly adhere to the relevant operational specifications and safety requirements to ensure safe usage.

Material control for low-temperature liquid storage tanks is a crucial aspect in ensuring the safety and reliability of the tanks. The following are some common material control measures:
Material Selection: Choose materials suitable for low-temperature environments, such as low-temperature alloy steel, stainless steel, etc. These materials exhibit excellent low-temperature resistance and crack resistance, maintaining strength and toughness under low-temperature conditions.
Material Quality Control: Ensure that the selected materials meet relevant standards and specifications. Conduct chemical composition analysis, mechanical property tests, and impact tests on the materials to ensure their performance meets design requirements.
Welding Material Selection: Choose welding materials suitable for low-temperature environments, such as low-temperature welding rods or welding wires. The welding materials should match the tank material, offering good welding properties and crack resistance.
Welding Process Control: Monitor welding process parameters such as current, voltage, and speed to ensure the quality and reliability of weld joints. Utilizing low heat input welding methods like pulsed welding or laser welding can reduce the temperature gradient and residual stress in the heat-affected zone.
Corrosion Protection Measures: Apply corrosion-resistant treatments to the internal and external metal surfaces of storage tanks to extend their service life. Options include corrosion-resistant coatings and paints to safeguard the metal structure of the tank from corrosion.
Material Performance Monitoring: Regularly conduct performance monitoring of the storage tank materials, such as mechanical property tests,

Maintaining and taking precautions for liquid nitrogen tanks is crucial. Here are some key points:
Maintenance:
Regular Inspections: Regularly inspect the exterior, valves, pipelines, and other components of the liquid nitrogen storage tank to ensure they are undamaged. Pay special attention to check for any leaks, corrosion, or other forms of damage.
Clean Storage Tanks: Regularly clean liquid nitrogen tanks to remove internal dirt and deposits. Use appropriate cleaning agents and tools, following the cleaning procedures and safety operational guidelines.
Liquid Nitrogen Refill: Refill liquid nitrogen regularly as needed. Ensure an adequate storage quantity of liquid nitrogen in the tank to meet usage requirements.
Maintain Pressure: Regularly check the liquid nitrogen tank's pressure to ensure it stays within the safe range. Perform pressure tests and adjustments as necessary.
Corrosion Protection: Based on the material and operating environment of the storage tank, appropriate corrosion protection measures are taken to extend the service life of the tank. For example, applying corrosion-resistant coatings, conducting regular corrosion treatments, etc.
Cautionary Notes:
Safe Operation: When using liquid nitrogen tanks, strict adherence to safety operation procedures and standards is mandatory. Operators must be trained, familiar with the properties of liquid nitrogen and safety operation requirements, and acquainted with the tank equipment and operational procedures.
Protective Measures: When using liquid nitrogen tanks, necessary protective measures must be taken, such as wearing protective gloves and suits. Avoid direct contact with liquid nitrogen to prevent frostbite.
Leak Control: Regularly inspect the liquid nitrogen storage tank for leaks and equip with leak detectors and alarm systems. In case of a leak, immediate action should be taken to control the leak and carry out repairs.
Ventilation Requirements: In enclosed spaces where liquid nitrogen tanks are in use, adequate ventilation must be ensured.
Our company attaches great importance to technological innovation and R&D design. We possess one municipal-level enterprise technology center in Heze City, and have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We are equipped with over 600 various instruments and 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 more. The key products we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology science and technology projects, Shandong Provincial key projects, and Heze City innovation and excellence projects. We have accumulated a total of 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 internationally recognized plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technique. This technology has been appraised at the provincial level for its scientific and technological achievements, and its technical level has reached international standards in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, let's join hands to create brilliance!