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-freezing containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory areas 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. Currently, there are 710 employees, including 247 engineering and technical personnel and 82 intermediate-level technical personnel. 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 Department 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.
When selecting a liquid oxygen tank with a medical oxygen concentrator, consider the following factors:
Requirement: First, determine the oxygen demand of the institution or individual. Select the appropriate oxygen concentrator model and specification based on the required oxygen flow rate and pressure.
Safety and Reliability: Ensure the selected oxygen concentrator offers high safety and reliability. Choose products that comply with relevant standards and regulations, featuring safety functions such as overpressure protection, leakage protection, and overload protection.
Ease of operation: Choose an oxygenator that is simple and easy to use. Consider the methods of adjusting oxygen flow and concentration, as well as the clarity and readability of the operating interface.
Quality and Reputation: Choose an oxygen concentrator with excellent quality and reliability. Refer to customer reviews, word-of-mouth, and institutional endorsements to select the product.
Maintenance and After-Sales Service: Understand the maintenance requirements and after-sales support for oxygen generators. Ensure timely access to repairs and technical assistance to guarantee the proper operation and maintenance of the oxygen generators.
Cost-effectiveness: When considering the price, performance, and features of oxygenators, opt for products with a favorable cost-performance ratio. Select an oxygenator that suits your actual needs and budget.
Be mindful to adhere to the relevant equipment procurement regulations and standards when selecting liquid oxygen tanks with medical oxygen concentrators. It's advisable to consult with equipment suppliers or relevant institutions to ensure the chosen concentrator meets your requirements and safety standards.

The Zhongjie liquid oxygen storage tank boasts the following significant advantages:
Material: Made of stainless steel, offering excellent corrosion and high-temperature resistance, ensuring the tank's long-term stable operation.
Manufacturing Process: The adopted manufacturing processes and equipment ensure the quality and precision of the tank's construction, meeting all process requirements.
Safety Reliability: Tanks are designed and manufactured to stringent standards, equipped with safety valves, pressure sensors, and other safety equipment to ensure operation within normal working pressure ranges and to handle emergencies.
Energy-saving: Tanks feature optimized insulation design and materials, reducing energy loss and enhancing energy efficiency.
High Capacity: The storage tank features a large capacity design to meet the liquid oxygen storage needs of various scales and requirements.
Flexible and Adjustable: The tank features a design that allows for capacity adjustments and expansions to meet actual needs.
Easy to operate and maintain: The tank is equipped with a user-friendly interface and control system, making it convenient for operators to handle operations and maintenance.
Longevity: The tank boasts excellent durability and corrosion resistance, ensuring long-term stable operation and reducing the frequency of replacement and maintenance.
Eco-friendly Energy-saving: Tanks are constructed with environmentally friendly materials and processes, reducing environmental impact. Additionally, through energy-saving design and operation, energy consumption is minimized.
Customized Services: ZheJie Special Equipment offers customized design and services for liquid oxygen storage tanks, tailored to meet the specific requirements and needs of customers, ensuring personalized solutions.
These advantages make ZJET liquid oxygen storage tanks a reliable and safe solution for liquid oxygen storage, widely used in industrial, scientific research, and other fields.

Prior to filling the liquid nitrogen tank, the following checks must be conducted:
Tank exterior inspection: Check for any visible damage, deformation, corrosion, etc. on the tank's exterior, including the tank wall, valves, pipes, and joints.
Sealability Inspection: Verify the sealing performance of the storage tank, including checking for any leakage at valves and pipe connections, to ensure the tank's good sealability.
Pressure Check: Verify that the tank's pressure gauge is functioning properly, and that the pressure is within the normal range, to ensure the tank operates correctly.
Level Check: Inspect the liquid level in the tank to ensure it remains within the normal range, avoiding issues caused by excessive or insufficient levels.
Insulation Layer Inspection: Verify the integrity of the storage tank's insulation layer, checking for any damage or detachment to ensure effective insulation and minimize evaporation losses of liquid nitrogen.
Leak Inspection: Check for signs of liquid nitrogen leakage around the storage tank, including frost, ice, or liquid nitrogen stains on the ground.
Safety Equipment Inspection: Check that the storage tank's safety equipment, such as leak detectors, alarm systems, and safety valves, are functioning properly to ensure the tank's safety.
Cleaning Inspection: Ensure the interior of the tank is clean, free of accumulated impurities and dirt, to maintain the tank's cleanliness and hygiene.
The above details the checks required prior to filling a liquid nitrogen tank, to ensure the tank operates safely and nitrogen is stored properly. During the inspection, strict adherence to operational procedures and safety protocols is mandatory to ensure operational safety.

Low-temperature liquid storage tanks feature the following characteristics and usage advantages:
Feature:
Low-Temperature Storage: Low-temperature liquid storage tanks can store low-temperature liquids (such as liquid nitrogen, liquid oxygen, etc.) at low temperatures, maintaining their liquid state. Liquid storage can significantly increase storage density and save space.
Insulation: Low-temperature liquid storage tanks are equipped with special insulation materials and structural design, effectively reducing heat conduction and loss, maintaining a stable temperature for low-temperature liquids. This helps to minimize energy loss and liquid evaporation.
Safety: Low-temperature liquid storage tanks offer excellent safety performance. The tanks are made of special materials and feature a structural design capable of withstanding low temperatures and high pressures. Additionally, the tanks are equipped with safety devices such as pressure relief valves and liquid level alarms to ensure safe operation and use.
Usage Advantages:
High Purity Supply: Low-temperature liquid storage tanks can provide high-purity liquid substance supply. Through refrigeration and purification processes, high-purity liquid gases can be obtained to meet the requirements of various applications, such as industrial and scientific research fields.
Long-term Storage: Low-temperature liquid storage tanks can store low-temperature liquids for extended periods, prolonging their service life. By controlling the temperature within the tank and the performance of the insulation layer, the evaporation and oxidation of the liquid substances can be slowed down, maintaining their stability and purity.
Multi-Domain Applications: Low-temperature liquid storage tanks are widely used in fields such as industry and scientific research. They can be used for storing liquid oxygen to provide oxygen supply; in the industrial sector, they can store liquefied natural gas (LNG) and other process gases; in the scientific research field, they can store low-temperature experimental samples.
Environmental Protection and Energy Conservation: Low-temperature liquid storage tanks can effectively store and utilize low-temperature liquids, reducing energy waste and environmental pollution. Storage of liquid substances
Changjie Special Equipment upholds the great vision of "Realizing employee dreams, creating customer value, and striving for the prosperity and strength of our motherland," focusing solely on the development of green energy equipment industry. We dedicate high-quality products and services with competitive prices to society!