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 qualification for the installation and construction of electromechanical equipment. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and a director unit of the Shandong Equipment Manufacturing Association. The company has also passed certifications for the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, and the U.S. ASME/U2 certification.
Consider the following aspects to distinguish the advantages and disadvantages of liquid nitrogen tanks:
Material: Liquid nitrogen storage tanks are typically made of high-strength, corrosion-resistant materials such as stainless steel or aluminum alloy. These materials offer excellent corrosion resistance and mechanical strength, ensuring the tank's long-term stable operation.
Sealability: The liquid nitrogen tank should have excellent sealing performance, effectively preventing any leakage of liquid nitrogen. The tank's valves, pipe connections, and other areas should be designed reasonably to ensure reliable sealing.
Insulation: Liquid nitrogen tanks should have excellent insulation properties to minimize evaporation loss. The insulation layer of the tank should use materials like polyethylene foam to reduce heat conduction and evaporation loss.
Safety: The liquid nitrogen storage tank should have excellent safety performance, including safety valves, pressure gauges, and other safety equipment, as well as fire-resistant and explosion-proof functions. The design and manufacturing of the tank should comply with relevant safety standards and regulations.
Service Life: Liquid nitrogen tanks generally have a long service life, capable of withstanding long-term use and transportation. The manufacturer and reputation of the tank are also significant factors in assessing the service life.
Price and After-Sales Service: The price of liquid nitrogen tanks should be reasonable, and excellent after-sales service is provided. Choosing manufacturers or suppliers with a good reputation and reliable after-sales service ensures access to high-quality products and technical support.
Considering these factors, the quality of liquid nitrogen tanks can be discerned. When selecting a liquid nitrogen tank, it is recommended to choose one that meets the requirements based on actual needs and usage environment, to ensure safe and reliable storage of liquid nitrogen.

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.
Operating Pressure: The operating 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:
Store Liquid Argon: 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 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 storage 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 for applications such as cryogenic storage, gas shielding welding, and semiconductor manufacturing.
Long-term Storage: Liquid argon tanks are designed for long-term storage of liquid argon, extending its 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.
Multi-Domain Applications: Liquid Argon Storage Tanks are widely used in industries such as industrial, scientific research, and applications like refrigeration, semiconductor manufacturing, etc.
Environmental Protection & Energy Efficiency: Liquid argon tanks facilitate effective 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.

Low-temperature liquid storage tanks are equipment used for storing low-temperature liquids, commonly used for liquid oxygen, liquid nitrogen, liquid argon, and other low-temperature liquids. These liquids are in a gaseous state at room temperature but are cooled to a liquid state at low temperatures for easier storage and use. These tanks are typically made of high-strength materials like stainless steel or aluminum alloys to withstand low temperatures and high pressures. The interior often features insulation to minimize evaporation and maintain the low-temperature state. Applications of low-temperature liquid storage tanks include but are not limited to: They are widely used in rocket and spacecraft fuel and propulsion systems, such as liquid oxygen, liquid nitrogen, and liquid hydrogen tanks. They store and supply low-temperature liquids as fuel and oxidizers to propel rockets and spacecraft. Industrial Production: Low-temperature liquid storage tanks are used in industrial production to store and supply low-temperature liquids like liquid oxygen, nitrogen, and argon. These liquids serve as coolants, feedstock for gas separation, and raw materials for chemical reactions in industrial processes. Medical Applications: These tanks are used in medical fields to store and supply liquid oxygen for oxygen therapy, inhalation therapy, and operating rooms. Laboratory Research: In scientific research and laboratories, low-temperature liquid storage tanks provide low-temperature liquids as coolants and refrigerants. They are used for cooling laboratory equipment, material research, superconductivity, and low-temperature physics, among other applications. In summary, low-temperature liquid storage tanks are widely used in various fields, including aerospace, industrial production, and laboratory research, for storing and supplying low-temperature liquids to meet the needs of different industries.

The manufacturing process for the heads and cylinders of low-temperature storage tanks typically includes the following steps:
Material Preparation: Select suitable materials, such as low-temperature alloy steel or stainless steel, based on design requirements and specifications. Inspect and accept the materials to ensure their quality meets the standards.
Sheet Material Cutting: Cut sheets to the specified dimensions and shapes. Common cutting methods include flame cutting, plasma cutting, or laser cutting, among others.
Bending and Shaping: Cut板材are bent and shaped to form heads and cylindrical shapes. Common shaping methods include cold bending, hot bending, or hydraulic forming, etc.
Welding: Welds the shaped plates together to form the structure of the head and cylinder. Common welding methods include manual arc welding, gas shielded welding, or laser welding, etc.
Weld Seam Treatment: Post-welding seam treatment, including processes like sanding, polishing, or anti-corrosion coating, to enhance the quality and appearance of the weld seams.
Inspection and Acceptance: Conduct inspections and acceptances on the finished caps and cylinders to ensure their quality and compliance with design specifications. Common inspection methods include ultrasonic testing, X-ray inspection, or liquid penetrant testing, etc.
Reinforcement and Support: As required, process and install reinforcement and support on the head and cylinder to enhance the structural strength and stability.
Surface Treatment: The heads and cylinders undergo surface treatment, such as applying anti-corrosion coatings, hot-dip galvanizing, or polishing, to enhance their corrosion resistance and aesthetic quality.
It's important to note that the manufacturing process of low-temperature storage tanks must comply with relevant standards and regulations to ensure the quality and safety of the production. During the manufacturing process, strict adherence to safety operation procedures and the implementation of necessary protective measures are required to ensure the safety of the operators.
Shandong Zhongjie Special Equipment, welcome customers to visit our factory for business discussions.