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, B-grade boiler installation and GB2, GC2 class pressure pipeline installation licenses, as well as mechanical and electrical equipment installation contracting qualifications. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and a board member 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.
Oxygen cylinders and liquid oxygen tanks are equipment used for storing oxygen, but they have some distinctions: Storage Form: Oxygen cylinders are typically used for storing gaseous oxygen, while liquid oxygen tanks are for storing liquid oxygen. Oxygen is in a gaseous state at room temperature but is cooled to a liquid state at low temperatures for more efficient storage and use. Storage Pressure: Oxygen cylinders usually store high-pressure oxygen, with pressures around 200-300 bar. Liquid oxygen tanks store liquid oxygen at lower pressures, generally around 2-5 bar. Storage Capacity: Oxygen cylinders usually have smaller capacities, suitable for personal or small-scale use. Liquid oxygen tanks have larger capacities, suitable for industrial or large-scale use. Storage Method: Oxygen cylinders store oxygen in a gaseous form, via compressed gas storage. Liquid oxygen 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 highly oxidizing nature of liquid oxygen, liquid oxygen tanks require stricter safety standards in design and use. Liquid oxygen tanks typically need to have good thermal insulation, leak control, and fire prevention measures to ensure safe operation. It is important to note that the specific design and specifications of oxygen cylinders and liquid oxygen tanks may vary depending on different regions and application sites. When using these tanks, it is necessary 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.

When storing liquid nitrogen in low-temperature storage tanks, the following points should be noted:
Protective Gear: When operating low-temperature storage tanks, it is mandatory to wear appropriate protective gear, including gloves, protective clothing, and non-slip shoes. This gear safeguards the skin from the low temperatures of liquid nitrogen and other hazards.
Avoid direct contact: Liquid nitrogen is extremely cold and can cause frostbite. Therefore, it is essential to avoid direct contact with liquid nitrogen, especially with the skin. Use tools or equipment for handling to prevent direct hand contact with liquid nitrogen.
Ventilation Requirements: In the operation area of low-temperature storage tanks, adequate ventilation must be ensured to exhaust gases produced by the evaporation of liquid nitrogen. Maintain air circulation to avoid excessive oxygen concentration, reducing the risk of fire and explosion.
Prevent Leaks: Regularly inspect the leakage conditions of low-temperature storage tanks, equip with leak detectors and alarm systems. In case of detected leaks, take immediate measures to control and repair them. Avoid the leakage of liquid nitrogen causing harm to personnel and the environment.
Fire Prevention Measures: Liquid nitrogen has a low boiling and freezing point, which makes it prone to fires. To prevent and contain fires, measures such as installing fire walls around low-temperature storage tanks and using fire-resistant coatings should be taken.
Electrostatic Protection: Static buildup in low-temperature tanks may cause sparks, increasing the risk of fire. Measures should be

Liquid Argon Storage Tanks are specialized equipment designed for storing liquid argon, featuring the following parameters, functions, and characteristics:
Parameters:
Tank Capacity: The capacity of liquid argon tanks can be customized to meet requirements, with various sizes available, such as 500L, 1000L, 2000L, and so on.
Work Pressure: The working pressure of liquid argon tanks is typically atmospheric or slightly above atmospheric pressure.
Storage Temperature: Liquid argon storage tanks are typically kept at -196 degrees Celsius, which is the boiling point of argon, maintaining its liquid state.
Function:
Store Liquid Argon: Liquid argon tanks are primarily used for storing liquid argon, maintaining its liquid state at low temperatures for supply and use.
Insulation: The liquid argon storage tank utilizes advanced 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 provide high purity liquid argon supply to meet the requirements of applications such as cryogenic storage, gas shielded welding, and semiconductor manufacturing.
Long-term Storage: Liquid argon tanks are designed for long-term storage of liquid argon, extending their service life. By controlling the tank's internal temperature and the performance of the insulation layer, the evaporation and oxidation of the liquid argon are slowed down.
Versatile Applications: Liquid argon storage tanks are widely used in various fields such as industry and scientific research, including refrigeration and semiconductor manufacturing.
Environmental Protection and Energy Conservation: Liquid argon storage 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.

The medical oxygen steel cylinder filling area, in addition to the liquid oxygen storage tank, includes the following components:
Oxygen Compressor: Oxygen compressors are used to compress gaseous oxygen into high-pressure oxygen. These compressors are typically made of special materials and designed to ensure safe handling and compression of oxygen.
Oxygen Purification System: The oxygen purification system is designed to remove impurities and contaminants from oxygen, ensuring the purity and quality of the supplied oxygen. The system typically includes filters, adsorbents, and molecular sieves.
Oxygen Storage System: In addition to liquid oxygen tanks, the oxygen filling area may also include a gaseous oxygen storage system for temporary storage and supply of gaseous oxygen. The gaseous oxygen storage system typically includes high-pressure oxygen cylinders or gas storage tanks.
Filling Equipment: Filling equipment is used to transfer oxygen from liquid oxygen storage tanks or gaseous oxygen storage systems into medical oxygen steel cylinders. The filling equipment typically includes filling machines, filling pipelines, and filling control systems.
Oxygen Quality Monitoring System: The oxygen quality monitoring system is used to monitor the quality and purity of oxygen being filled. Quality testing and supervision of the filled oxygen are conducted through an oxygen analyzer or other detection equipment.
Safety Facilities: The filling area should be equipped with corresponding safety facilities, such as fire alarm systems, oxygen leak detection systems, and ventilation systems, to ensure the safety and protective measures during the filling process.
It is important to note that the design and equipment configuration of the medical oxygen cylinder filling area should comply with relevant regulations, standards, and specifications. During the filling process, strict adherence to operational procedures and safety requirements is essential to ensure the safe supply of oxygen.
Shandong Zhongjie Special Equipment, welcome customers to our factory for business discussions.