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-freezing vessels, 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 spanning 83,000 square meters. It currently employs 710 staff, 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, as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
The testing and maintenance of liquid oxygen storage tanks are crucial for ensuring safe operation and extending their service life. Below is a general breakdown of the testing and maintenance procedures for liquid oxygen storage tanks: - Visual Inspection: Regularly inspect the exterior of the liquid oxygen storage tank for corrosion, wear, and cracks. If any abnormalities are found, repair or replacement should be done promptly. - Internal Cleaning: Regularly clean the interior of the liquid oxygen storage tank to remove accumulated impurities and dirt. Pay attention to using appropriate cleaning agents and tools to avoid damaging the tank. - Level Measurement: Regularly measure the liquid level to ensure it remains within a safe range within the tank. Use a level gauge or other measuring equipment, and record the results. - Pressure Testing: Regularly conduct pressure tests to verify the tank's pressure resistance. Control the pressure and time during testing to ensure safety and accuracy. - Leak Detection: Regularly perform leak detection to ensure the tank's sealing integrity. Use leak detection instruments, such as gas detectors or foam leak detection agents. - Valve and Pipe Inspection: Regularly check the valves and pipe connections of the liquid oxygen storage tank to ensure proper sealing and no leakage. If issues are found, repair or replacement should be done promptly. - Maintenance Records: Keep records of the testing and maintenance activities, including inspection dates, contents, and results. These records help track the tank's maintenance history and issue resolution. - Scheduled Maintenance: Develop a regular maintenance plan based on the tank's usage and requirements. Maintenance includes lubrication, bolt tightening, and seal replacement to ensure normal operation.

Detailed parameters of carbon dioxide storage tanks can vary based on specific design and usage requirements. Here are some common parameters of carbon dioxide storage tanks: - Capacity: The capacity of carbon dioxide storage tanks can differ according to needs, with common ranges from a few thousand to tens of thousands of liters. - Pressure: The design working pressure of carbon dioxide storage tanks typically falls between 15-25 MPa (megapascals), with the specific pressure depending on the application scenario and requirements. - Material: Carbon dioxide storage tanks are usually made of high-strength materials such as carbon steel or stainless steel. The choice of material depends on the storage environment and requirements. - Dimensions: The external dimensions of carbon dioxide storage tanks can also vary based on capacity and design. Common shapes include cylindrical, spherical, or cuboid. - Level Control: Carbon dioxide storage tanks usually come with level control systems for monitoring and controlling the liquid level of carbon dioxide. These systems typically include level sensors and control valves. - Pressure Control: Internal pressure control systems are often installed in carbon dioxide storage tanks to monitor and control the gas pressure inside. These systems usually include pressure sensors and safety valves. It should be noted that specific parameters of carbon dioxide storage tanks can vary depending on different manufacturers, application scenarios, and standards. When selecting and using carbon dioxide storage tanks, it is important to follow relevant safety operating procedures and guidelines, and consult with experts to obtain accurate parameter information.

Carbon dioxide storage tanks possess the following safety technical features: - High-strength materials: These tanks are typically made of high-strength steel or alloy materials to withstand stress and loads under high pressure and low-temperature conditions. - Safety valves and pressure relief devices: Equipped with safety valves and pressure relief devices to control internal tank pressure and prevent overpressure and explosions. The safety valve will automatically open to release pressure when the internal pressure exceeds the set value. - Insulation layer: An internal insulation layer is provided to reduce heat conduction and liquid evaporation. The insulation layer usually consists of multiple layers, including thermal insulation materials and an external protective layer, to maintain a stable internal temperature. - Level monitoring and control: The tank is fitted with level monitoring equipment to monitor the liquid level inside. Timely monitoring and control of the level ensure that the liquid stored within the tank remains within a safe range. - Fire and explosion prevention measures: Fire-resistant coatings, fire isolation areas, and explosion-proof devices are implemented to prevent fires and explosions. - Leak detection and alarm system: The tank is equipped with a leak detection and alarm system to promptly detect and alert of any leakage. Quick response and handling can minimize the safety risks caused by leaks. - Regular inspections and maintenance: Regular checks and maintenance are required, including visual inspections, valve maintenance, and pressure tests, to ensure the tank's safety performance and reliability. It should be noted that the specific safety technical features of carbon dioxide storage tanks may vary depending on the type of tank and its application. When using carbon dioxide storage tanks, relevant regulations and standards should be followed.

The cooling process for carbon dioxide storage tanks can vary depending on specific application requirements and process design. Here is an example of a general cooling process for a carbon dioxide storage tank: Initial cooling: When carbon dioxide enters the tank, it is typically cooled initially to lower its temperature. This can be achieved by passing the carbon dioxide through a condenser or cooler. The cooling medium can be cold water or refrigerant. Tank cooling: After carbon dioxide enters the tank, it is necessary to continue cooling the tank itself to maintain the liquid state of the carbon dioxide. This can be done by installing coolers or cooling pipes externally to the tank and circulating the cooling medium (such as cold water or refrigerant). Temperature control: During the tank cooling process, the temperature inside the tank needs to be controlled to ensure that the carbon dioxide remains within an appropriate temperature range. This can be achieved through temperature sensors and control systems that automatically adjust according to the set temperature range. Insulation: To reduce heat transfer and energy loss, the tank is usually insulated. This can be done by setting up insulating materials (such as polyester foam or glass wool) externally on the tank to reduce heat conduction. Regular inspections and maintenance: In the cooling process of the tank, regular inspections and maintenance of cooling equipment and insulating materials are required to ensure their proper operation and effectiveness. This includes cleaning coolers, checking the integrity and effectiveness of insulating materials, etc. It should be noted that the specific cooling process for carbon dioxide storage tanks may vary due to different application scenarios and process requirements. In practice, process design and operation should be based on specific circumstances to ensure the safety and performance of the tank. Consult with engineers or storage specialists for more information.
Zhongjie Special Equipment adheres to the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We offer products and services with high cost-performance to contribute to society!