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, 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 member 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.
Maintenance and upkeep are crucial for ensuring the safety of low-temperature storage tanks. Here are some common maintenance measures:
Regular Inspections: Conduct regular inspections of the low-temperature storage tanks, including checks of the exterior, internal structure, and corrosion-resistant coatings. Look for cracks, corrosion, wear, and other issues, and promptly identify and repair potential safety hazards.
Cleaning and De-icing: Regularly clean the exterior surface and internal structure of the low-temperature tank to remove accumulated dirt and ice layers. The buildup of ice can lead to structural damage and corrosion; cleaning and de-icing can extend the lifespan of the tank.
Level Monitoring: Regularly monitor the liquid level in low-temperature storage tanks to ensure it remains within a safe range. Excessive or low levels can lead to overpressure or over-vacuum in the tank, increasing safety risks.
Leak Detection: Install a leak detection system to regularly check for leaks in low-temperature storage tanks. Leaks can lead to the release and evaporation of liquids or gases, increasing safety risks.
Corrosion Protection Measures: Implement appropriate corrosion protection measures, such as coating protection and corrosion-resistant coatings, to safeguard the metal structure of low-temperature storage tanks from corrosion.
Emergency Fault Handling: Establish an emergency fault handling system to promptly address and repair failures in low-temperature storage tanks to prevent accidents from occurring or escalating.
Training and Development of Personnel: Train and develop operators and maintenance staff to ensure they possess the relevant knowledge and skills to properly operate and maintain low-temperature storage tanks.
Note that maintenance should be tailored to the specific type of storage tank and operating conditions, adhering to relevant local laws, regulations, and standards. During maintenance, it is recommended to consult with an engineer or seek guidance from relevant institutions to ensure the tank's safety and reliability.

Liquid Argon Storage Tank is a device used for storing and transporting liquid argon. Its application scope and characteristics are as follows:
Application Range:
Industrial Applications: Liquid Argon Storage Tanks are widely used in industrial sectors such as metal processing, electronic manufacturing, semiconductor production, etc.
Application: Liquid argon storage tanks are used in the field for cryogenic preservation of biological samples, cells, tissues, and vaccines.
Laboratory Applications: Liquid argon tanks are used in scientific research laboratories for low-temperature experiments, cryogenic storage, and sample processing, etc.
Features:
Low-temperature Performance: As liquid argon has a boiling point of -185.7°C, the liquid argon storage tank must have excellent low-temperature insulation properties to maintain the低温 state of the liquid argon.
High-sealed: Liquid argon 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 material; therefore, liquid argon storage tanks must be equipped with safety valves, leak detectors, and other safety devices to ensure safe operation.
High Capacity: The capacity of liquid argon tanks ranges from a few liters to several thousand liters, allowing for selection of the appropriate capacity to meet your needs.
Cautionary Notes:
Protective Gear: When operating liquid argon storage tanks, it is mandatory to wear appropriate protective gear, including gloves, protective clothing, and non-slip shoes, to safeguard against the low temperatures of liquid argon and other hazards.
Ventilation Requirements:

Low-temperature liquid storage tanks (such as liquid nitrogen, liquid oxygen, liquid argon, etc.) have several advantages:
High-Density Storage: Low-temperature liquid storage tanks can convert gases into liquids, significantly enhancing storage density. Compared to gas storage, liquid storage allows for more material to be stored in a smaller space, improving storage efficiency.
Low-Temperature Retention: The low-temperature liquid storage tank has excellent insulation properties, effectively maintaining the low temperature of the liquid. The design and construction of the insulation layer reduce heat conduction and loss, preserving the low temperature of the liquid and minimizing evaporation and waste.
Supply: Low-temperature liquid storage tanks offer a stable and consistent liquid supply. With internal pressure control and pipeline system design, precise liquid delivery is achievable, catering to industrial production and experimental needs.
Safety: Low-temperature liquid storage tanks offer high safety. Liquid storage, compared to gas storage, reduces the risks of gas leakage and explosions. Tanks are usually equipped with safety devices, such as pressure relief valves and liquid level alarms, to ensure timely measures can be taken in abnormal situations, ensuring the safety of the tank.
Multi-functional Applications: Low-temperature liquid storage tanks are widely used in various fields such as industrial production and scientific research. Liquids like liquid nitrogen and liquid oxygen are suitable for uses such as freezing, refrigeration, and gas supply, meeting diverse industrial needs.
Overall, low-temperature liquid storage tanks offer advantages such as high-density storage, temperature retention, supply, safety, and versatile applications, providing reliable liquid storage and supply solutions across various fields.

Safe placement of liquid oxygen storage tanks is a crucial measure to ensure no danger is posed to the surrounding environment and personnel during use. The following are the safety requirements for the placement of liquid oxygen storage tanks:
Safety Distance: Liquid oxygen storage tanks should maintain a certain distance from other buildings and equipment. This is to ensure effective control and minimize the impact on the surrounding environment in the event of a tank leak or fire.
Fire and Explosion Prevention Measures: Liquid oxygen tanks should be placed in fire-resistant areas, away from open flames, high-temperature sources, and flammable materials. The surrounding area should be equipped with fire and explosion prevention facilities, such as fire extinguishers and foam sprinkler systems, to address potential fire risks.
Even placement: Liquid oxygen tanks should be placed on a sturdy, flat foundation to ensure stability. The bottom of the tank should make full contact with the ground to prevent tilting or rocking of the tank.
Ventilation Requirements: Liquid oxygen tanks should be placed in well-ventilated areas to ensure normal circulation of gas emissions and oxygen supply. There should be no obstructions around the tank that hinder gas flow.
Labeling and Warning: Oxygen Liquid Storage Tanks should be clearly labeled with information such as storage medium, capacity, and pressure. Warning signs and safety cautions should be placed in the surrounding area to alert personnel of the presence and potential dangers of the oxygen liquid tank.
Regular inspections and maintenance: Liquid oxygen tanks should be regularly inspected and maintained, including checking the tank's appearance, sealing, and anti-corrosion measures. Any issues found should be repaired or replaced promptly to ensure proper operation and safety.
It's important to note that the safety requirements for the placement of liquid oxygen tanks may vary depending on different regions and industries. When positioning liquid oxygen tanks, you should adhere to relevant regulations, standards, and safety protocols, and establish appropriate safety measures based on the actual situation. If you're unfamiliar with or have doubts about the safety placement requirements, it's advisable to consult with experts or relevant institutions.
Our company places great emphasis on technological innovation and R&D, boasting 1 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, etc. We are equipped with over 600 types of 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 and technologies we have developed, such as welding for temperature and pressure vessels, emission reduction of biomass boilers, and waste heat utilization, have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology Science and Technology Innovation projects, key projects in Shandong Province, and Heze City Innovation and Excellence projects. We have cumulatively obtained 27 authorized utility model patents, 16 authorized invention patents, 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 arc welding (PAW-GTAW) technology. After being appraised as a provincial-level scientific and technological achievement, our technology level has reached international standards in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!