Shandong Zhongjie Special Equipment Co., Ltd. (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological Development Zone, Heze City. With a registered capital of 50 million yuan and total assets of 500 million yuan, the company has 7 business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total of 200,000 square meters, with the main workshop area at 83,000 square meters. It currently employs 710 people, including 247 engineers and technicians and 82 intermediate-level technicians. In December 2016, it was recognized as a "High-Tech Enterprise" by the Science and Technology Department. In June 2021, it was identified as a "Specialized and New Enterprise in Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
Low-temperature liquid storage tanks (such as liquid nitrogen, liquid oxygen, liquid argon, etc.) possess several advantages:
High-Density Storage: Low-temperature liquid storage tanks can convert gases into liquids, significantly increasing storage density. Compared to gas storage, liquid storage can hold more material in a relatively smaller space, enhancing storage efficiency.
Low-Temperature Retention: Low-temperature liquid storage tanks feature excellent thermal insulation properties, enabling effective maintenance of low liquid temperatures. The design and construction of the insulation layer can minimize heat conduction and loss, preserving the low temperature of the liquid, and reducing evaporation and损耗.
Supply: Low-temperature liquid storage tanks provide a stable liquid supply. Through internal pressure control and pipeline system design, precise liquid supply 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 risk of gas leaks and explosions. Tanks are typically equipped with safety devices, such as pressure relief valves and level alarms, to ensure timely measures can be taken in abnormal situations, safeguarding the tank's safety.
Versatile Applications: Low-temperature liquid storage tanks are widely used in various fields such as industrial production and scientific research. Cryogenic liquids like liquid nitrogen and liquid oxygen can be utilized for freezing, refrigeration, gas supply, and more, catering to diverse industry needs.
In summary, 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 industries.

The low-temperature storage tank boasts several advantages:
Storage: Low-temperature storage tanks can maintain liquid cryogenic substances (such as liquid nitrogen, liquid oxygen, etc.) at low temperatures, preserving their liquid state. Compared to gas storage, liquid storage significantly increases storage density and saves space.
Long-Term Storage: Low-temperature storage tanks are suitable for long-term storage of cold materials, extending their service life. By controlling the tank's internal temperature and the performance of the insulation layer, evaporation and oxidation of the liquid material can be slowed down, maintaining its stability and purity.
Safety: Low-temperature storage tanks feature excellent safety performance. The tanks are made with special materials and structural design to withstand low temperatures and high pressures. Additionally, the tanks are equipped with safety devices such as pressure relief valves and level alarms to ensure safe operation and use.
Multi-Domain Applications: Low-temperature storage tanks have wide applications across various fields. They can be used for storing liquid oxygen, providing oxygen supply; in industrial applications, they are suitable for storing liquefied natural gas (LNG) and liquid nitrogen, among other process gases; in scientific research, they are ideal for storing low-temperature experimental samples.
Environmental Protection and Energy Saving: Low-temperature storage tanks enable effective storage and utilization of low-temperature materials, reducing energy waste and environmental pollution. During the storage and transportation of liquid substances, energy loss is minimized, enhancing energy utilization efficiency.
In summary, low-temperature storage tanks offer advantages such as storage, long-term storage, safety, multi-field applications, and environmental protection and energy saving. This makes low-temperature storage tanks a crucial equipment for storing and supplying low-temperature materials, playing a significant role in various fields.

To extend the service life of liquid argon storage tanks, the following measures can be taken:
Regular inspections and maintenance: Conduct regular visual inspections of liquid argon tanks, check valves and fittings, and perform leak detection and pressure tests. Promptly identify and repair potential issues to ensure the normal operation of the tank.
Maintain the insulation layer: The insulation is crucial for the thermal preservation of liquid argon storage tanks. Regularly inspect the integrity and insulating properties of the insulation, and repair or replace any damaged insulation materials to ensure the tank's insulating effectiveness.
Regulate Liquid Argon Temperature: Maintain the liquid argon temperature within an appropriate range to prevent damage to the storage tank from excessive or low temperatures. Implement suitable cooling or heating measures to ensure stable liquid argon temperature.
Corrosion Protection: The outer shell and internal structure of the liquid argon tank should be protected against corrosion and oxidation. Regularly inspect and maintain the protective coating to ensure it remains intact.
Avoid excessive pressure and overfilling: Prevent the internal pressure of the tank from being too high or too low, as well as overfilling with liquid argon. Excessive pressure and overfilling can lead to structural rupture or damage of the tank.
Regular cleaning and waste removal: Clean the interior of the tank regularly to remove accumulated impurities and dirt. Regularly remove waste to prevent contaminants and sediments in liquid argon from damaging the tank.
Safe Operation and Training: Ensure operators are proficient in the safe operation of liquid argon tanks. Enhance safety training to boost operator awareness and emergency response capabilities.
Manage records and documents: Establish comprehensive management records and documents, including tank usage, inspection logs, maintenance records, etc. Regularly review and update management records to ensure safe management and maintenance of the tanks.
These measures can help extend the service life of liquid argon storage tanks, but specific operations and management are required based on the type and application of the tank. When performing maintenance and operation, please adhere to relevant regulations and standards, and consult with experts to ensure safety and effectiveness.

Liquid nitrogen tanks are equipment used for storing liquid nitrogen and are widely used in the following fields: Frozen Food and Refrigerated Logistics: Liquid nitrogen tanks are used in the frozen food and refrigerated logistics industry to freeze or refrigerate food and other perishable items, extending their shelf life and maintaining freshness. The low temperature of liquid nitrogen can quickly freeze food, preventing bacterial growth and spoilage. Biological Sample Storage: Liquid nitrogen tanks are widely used in the field for freezing and storing biological samples, cells, tissues, and more. The low temperature of liquid nitrogen can effectively preserve the integrity and viability of biological materials, used in medical research, biomedical engineering, and transplantation fields. Laboratory Research: Liquid nitrogen tanks are used in scientific research and laboratories to provide liquid nitrogen as a coolant and freezing medium. The low temperature of liquid nitrogen can be used for cooling laboratory equipment, material research, superconducting electronics, and low-temperature physics. Metalworking and Welding: Liquid nitrogen tanks are used in metalworking and welding for cooling and controlling the temperature of metals. Liquid nitrogen can rapidly cool metals, improve their hardness and strength, and reduce deformation and stress. Gas Storage and Supply: Liquid nitrogen tanks are also used for storing and supplying nitrogen gas. Liquid nitrogen can be evaporated into gaseous nitrogen for applications such as gas shielded welding, gas fire suppression systems, gas analysis, and laboratory gas supply. In summary, liquid nitrogen tanks are widely applied in the fields of frozen food, laboratory research, metalworking, and gas supply, providing storage and supply functions for liquid nitrogen at application sites.
Zhongjie Special Equipment adheres to the grand vision of "realizing employees' dreams, creating customer value, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We offer society high-quality products and services at competitive prices!