Shandong Zhongjie Special Equipment Co., Ltd. (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinan Road, Economic 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 manufacturing sites on Jinan Road, East Yangtze Road, and Bohai Road, covering a total area 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 technical personnel. It was recognized as a "High-tech Enterprise" by the Science and Technology Department in December 2016, as a "Shandong Specialized and New Enterprise" by the Ministry of Industry and Information Technology in June 2021, as a "Shandong Gazelle Enterprise" in June 2022, and as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology in August 2022.
Carbon dioxide and liquid oxygen tanks are equipment used for storing different gases, with some physical properties distinguishing them: Physical State: Carbon dioxide (CO2) is a gas at room temperature and requires low temperatures and high pressure to be converted into a liquid. Liquid oxygen (LOX) is a liquid at room temperature and can remain in a liquid state without special conditions. Storage Temperature: The liquid storage temperature of carbon dioxide typically ranges from -40°C to -78.5°C, while the liquid storage temperature of liquid oxygen typically ranges from -183°C to -183.15°C. The storage temperature of liquid oxygen is lower, necessitating stricter insulation measures. Storage Pressure: The liquid storage pressure of carbon dioxide is usually between 5-20 MPa, while the liquid storage pressure of liquid oxygen is typically between 0.2-2 MPa. The storage pressure of liquid oxygen is lower. Density: The density of liquid carbon dioxide is approximately 0.8 g/cm³, while the density of liquid oxygen is approximately 1.14 g/cm³. The density of liquid oxygen is greater. Safety: Liquid oxygen has a high oxygen content, making it highly flammable and oxidizing, necessitating stricter safety measures. Carbon dioxide is relatively safe but can still pose a risk to humans at high concentrations.

During routine inspections of carbon dioxide storage tanks, follow these steps: - Visual Inspection: Check for any visible damage, corrosion, or oil leakage on the tank's exterior. Pay attention to any abnormalities in the tank shell, valves, and pipeline connections. - Valve and Pipeline Inspection: Verify that the tank's inlets and outlets, as well as pipeline connections, are functioning properly without leaks or loose fittings. Ensure valves operate smoothly and reliably. - Pressure Relief Device Inspection: Check if the tank's pressure relief devices (e.g., safety valves) are operating correctly. Confirm that the set pressure of the relief devices meets the requirements. - Level Measurement System Inspection: Assess the accuracy and reliability of the level measurement system. Calibrate the level sensors to ensure precise level readings. - Pressure and Temperature Inspection: Check if the tank's pressure and temperature sensors are functioning properly. Validate the accuracy of the pressure and temperature measurements. - Safety Equipment Inspection: Inspect the tank's safety equipment, such as safety valves, pressure sensors, and temperature sensors, to ensure they are working correctly. Confirm that their set parameters are in compliance. - Fire Protection Equipment Inspection: Ensure that fire protection equipment around the tank is intact and that extinguishers, sprinkler systems, etc., are operational. - Liquid and Gas Quality Inspection: Verify that the quality of the carbon dioxide liquid and gas in the tank meets the required standards, with no impurities or contaminants. - Documentation and Reporting: Record the date of inspection, the inspection content, identified issues, and measures taken. Submit inspection reports to relevant departments or management as needed. These are general steps for routine inspections of carbon dioxide storage tanks. Specific procedures should be adapted to the tank's characteristics and requirements. During inspections, adhere to safety operating procedures and have trained personnel perform the operations.

If a leak in the CO2 storage tank is detected, the following procedures should be taken immediately: Confirm the leak location: First, determine the exact location of the leak, which can be done by listening, observing, or using gas detection equipment. Emergency response: Upon discovering a leak, take immediate emergency measures to ensure personnel safety. Evacuate people to a safe area and notify relevant personnel and emergency services. Cut off the gas supply: As soon as possible, shut off the CO2 supply source by closing valves or cutting off power to stop the flow of CO2. Locate the leak: In a safe environment, use gas detection equipment or visual inspection to find the leak. Apply soap solution or other leak detection agents to potential leak points and observe for bubbles. Seal the leaks: Once the leak location is confirmed, take temporary sealing measures, such as using tape, sealant, or other reliable sealing materials for temporary repairs. Ensure the sealing is secure and effective in preventing gas leakage. Repair and restoration: In a safe situation, conduct further repairs and restoration. Depending on the nature of the leak, it may be necessary to replace gaskets, repair or replace valves, etc. Repair and restoration work should be carried out by trained personnel. Inspection and testing: After repairs and restoration, conduct leak detection and testing to ensure the leak has been fully repaired and the tank's safety performance has returned to normal. It is important to handle CO2 storage tank leaks with caution and follow relevant safety regulations and procedures. If you lack the necessary knowledge and skills, contact a professional for assistance.

Carbon dioxide storage tanks offer several advantages: - High Storage Density: These tanks can compress carbon dioxide gas into a liquid state, significantly increasing storage density. Compared to storing it as a gas, liquid carbon dioxide can be stored in smaller tanks, saving space and costs. - Versatile Applications: Carbon dioxide storage tanks are widely used in various fields, including the food and beverage industry, manufacturing, firefighting, and gas supply. Carbon dioxide serves as a preservative, effervescent agent, gas, and extinguishing agent, with extensive uses and market demand. - Environmental and Renewable: Carbon dioxide is an eco-friendly gas, and its increased concentration in the atmosphere can lead to warming and climate change. By storing and utilizing carbon dioxide, we can reduce its emissions into the atmosphere, achieving environmental protection and sustainable development. - Safe and Reliable: In the design and manufacturing process, carbon dioxide storage tanks typically use high-strength materials (such as carbon steel or stainless steel) with excellent pressure resistance and safety. The tanks are usually equipped with safety valves, pressure gauges, level indicators, and other accessories to ensure safe operation. Moreover, carbon dioxide is non-flammable and non-explosive, making it relatively safe. - Supply: Carbon dioxide storage tanks provide a stable supply of carbon dioxide. Through tank design and control systems, precise measurement and supply of carbon dioxide can be achieved, meeting the demands of various industries and applications. These advantages make carbon dioxide storage tanks a crucial storage and supply equipment, widely used across multiple industries. However, when using carbon dioxide storage tanks, it is essential to follow relevant safety operation procedures and standards to ensure safe operation and use.
Zhongjie Special Equipment upholds 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 society high-quality products and services at competitive prices!