Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, 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 the Internet of Things. It has three factory sites on Jinnan Road, East Yangtze Road, and Bohai Road, covering a total of 200,000 square meters. The main workshop spans 83,000 square meters. Currently, there are 710 employees, including 247 engineering and technical personnel 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 of Shandong Province" by the Industry and Information Technology Department. In June 2022, it was recognized as a "Gazelle Enterprise of 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.
Liquid Oxygen Storage Tank Offers the Following Advantages:
High Storage Density: Liquid oxygen tanks store oxygen in its liquid form, offering a higher storage density compared to gas storage. This means more oxygen can be stored in a limited space, providing extended supply times.
High Purity Oxygen Supply: Liquid oxygen tanks can provide high purity oxygen supply. After undergoing refrigeration and purification processes, liquid oxygen can yield high purity oxygen, meeting the requirements of various applications such as industry and scientific research.
User-friendly: The liquid oxygen tank is designed for ease of use. It features internal equipment such as level gauges and pressure gauges for convenient monitoring of levels and pressures. Additionally, the tank is equipped with safety devices like pressure relief valves and level alarms to ensure safe operation and usage.
Long-Term Storage: Liquid oxygen tanks are designed for long-term storage of oxygen. The low-temperature properties of liquid oxygen help slow down evaporation and oxidation, thereby extending the storage life of oxygen. This is beneficial for applications requiring long-term oxygen storage, such as institutions, laboratories, and industrial production.
Overall, liquid oxygen tanks offer advantages such as high storage density, pure oxygen supply, ease of use, and long-term storage. This makes liquid oxygen tanks a reliable choice for oxygen supply, widely used in industries and scientific research fields.

The installation of the safety valve on liquid oxygen storage tanks is a crucial component ensuring that the tank can release pressure in a timely manner during overpressure situations, protecting the tank and associated equipment. Below are the steps for installing the safety valve on a liquid oxygen storage tank:
Determine the rated pressure of the safety valve: Select an appropriate safety valve based on the design pressure and flow requirements of the liquid oxygen storage tank. Ensure the rated pressure of the safety valve meets the tank's specifications and complies with relevant safety standards and regulations.
Valve Installation Location: Select an appropriate location for installing the safety valve. Typically, the safety valve should be mounted on the top or side of the liquid oxygen storage tank to ensure timely pressure release in case of overpressure situations.
Preparation for Installation Interface: Prepare the corresponding interfaces based on the connection method of the safety valve. This may include welding interfaces, threaded interfaces, or flange interfaces, etc. Ensure the sealing integrity and secure connection of the interfaces.
Install the safety valve: Mount the safety valve onto the prepared interface. Follow the installation instructions for the safety valve to ensure proper connection and tightness.
Adjustment and Testing: After installation, adjust and test the safety valve according to its specifications. Ensure the opening and closing pressures of the safety valve meet design requirements, and conduct a leak test to verify its sealing.
Connect discharge piping: The discharge piping of the safety valve should be properly connected to the outlet of the safety valve. The discharge piping should have sufficient diameter and flow capacity to ensure effective release of overpressure gas when the safety valve is activated.
Identification and Record: Label safety valves and discharge pipes with relevant information such as rated pressure, flow rate, and installation date. Additionally, record the installation details and test results of the safety valves for future reference and maintenance.
When installing the liquid oxygen storage tank safety valve, it is imperative to adhere to the relevant safety regulations and operating guidelines. If you lack the necessary experience and knowledge, it is advisable to seek assistance and guidance from professionals to ensure the correct installation and reliable operation of the safety valve.

To prevent the explosion of liquid oxygen tanks, the following measures can be taken:
Regular Inspections and Maintenance: Conduct regular inspections and maintenance of the liquid oxygen storage tank, including checking the tank's appearance, welds, valves, and fittings, to ensure they are intact and damage-free. Regularly clean the tank to remove any impurities and dirt adhering to its surface.
Pressure Control: Tanks should be equipped with pressure control devices to ensure the internal pressure of the tank remains within a safe range. Regularly inspect and adjust the pressure control devices to ensure proper functioning.
Temperature Control: Liquid oxygen tanks should be maintained within an appropriate temperature range to prevent excessive heat that could lead to increased pressure. Ensure the insulating layer of the tank is intact to minimize heat conduction and loss.
Fire Prevention Measures: Liquid oxygen has a high oxygen content and flammability, thus stringent fire prevention measures are required. A fire separation zone should be established around the storage tank, with smoking and open flames prohibited. Ensure that the storage tank maintains a certain fire safety distance from other facilities.
Pressure Relief Device and Safety Valve: Liquid Oxygen Storage Tanks should be equipped with a pressure relief device and a safety valve to prevent overpressure and sudden pressure increases. Regularly inspect and test the operational status of the pressure relief device and safety valve to ensure their proper functioning.
Tank Operation Guidelines: Adhere strictly to the operational specifications and safety requirements for liquid oxygen tanks. Operators must be trained and familiar with the tank's characteristics and operation techniques. Avoid operational errors and violations.
Emergency Preparedness: Establish and conduct emergency response plans and drills to address potential accidents. Train operators in emergency response capabilities to ensure timely and effective actions.

Prior to using the liquid oxygen storage tank, the following preparatory steps must be taken:
Safety Inspection: Ensure the tank and its surrounding environment are safe. Check for any damage, leaks, or other potential hazards. Confirm that there are no flammable materials or other hazardous items in the vicinity of the tank.
Tank Preparation: Inspect the tank's exterior, including the shell, welds, valves, and fittings. Ensure there are no obvious damages or corrosion. Verify that the insulating layer of the tank is intact and undamaged.
Liquid Oxygen Filling: Utilize liquid oxygen transfer equipment to fill the storage tank. Ensure that the flow rate and pressure of the liquid oxygen are maintained within safe limits during the filling process.
Pressure Control: Tanks should be equipped with pressure control devices to ensure the internal pressure of the tank remains within a safe range. Inspect and adjust the pressure control devices to ensure they are functioning properly.
Valve Operation: Inspect that the tank's valves and connections are functioning properly. Ensure the valves operate smoothly and reliably. Adjust the opening and closing status of the valves as needed.
Safety Equipment: Inspect the safety equipment around the storage tank, such as fire separation zones and alarm systems, to ensure they are functioning properly.
Operator Training: Ensure operators are proficient in the safe operation of liquid oxygen storage tanks.
Shandong Zhongjie Special Equipment, welcome customers to visit our factory for business discussions.