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: boiler, 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 being 83,000 square meters. It currently employs 710 people, including 247 engineers and technicians, 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 of Shandong Province" by the Department of Industry and Information Technology. 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.
When using CO2 storage tanks, the following precautions should be taken: Safety Operation: Prior to operating a CO2 storage tank, it is mandatory to familiarize yourself with and adhere to the relevant safety operating procedures and guidelines. Ensure that operators have received necessary training and understand the tank's working principle, operational procedures, and emergency measures. Tank Inspection: Regularly inspect the external and internal condition of the CO2 storage tank, including checking for corrosion, leaks, and welds on the tank walls. If any abnormalities or damage are found, take prompt corrective or replacement actions. Tank Pressure Control: Ensure that the internal pressure of the tank remains within a safe range. Monitor and control the tank's pressure to avoid damage or safety risks from excessive or low pressure. Fire Prevention Measures: CO2 is a flammable gas, and fire prevention measures must be observed when in use. Avoid open flame operations near the tank and ensure the surrounding environment is flame-free. Leakage Handling: In the event of a CO2 leak, appropriate emergency measures should be taken immediately. Quickly notify relevant personnel, ensure safe evacuation, and take steps to prevent the spread of the leak. Tank Maintenance: Regularly maintain and service the tank, including cleaning, lubrication, and corrosion prevention. Follow the manufacturer's recommendations and guidelines to ensure the tank operates normally and has a long lifespan. Compliance: Adhere to local regulations, standards, and specifications to ensure that the tank's design, manufacturing, installation, and use meet the corresponding requirements. It is crucial to strictly follow safety operating procedures when using CO2 storage tanks and to cooperate with relevant personnel to ensure the tank's safety and reliability.

Below are some common guidelines for carbon dioxide cylinder management: Safety Management: Establish a comprehensive safety management system, including operational procedures, emergency response plans, and incident handling protocols. Ensure operators have the necessary safety knowledge and skills, and conduct regular safety training and drills. Cylinder Inspection and Maintenance: Regularly inspect the cylinder's appearance, valves, and fittings to ensure they are intact. Conduct regular leak detection and pressure tests to ensure the cylinder's safety performance meets requirements. Level Monitoring and Control: Regularly monitor the cylinder's internal level to ensure an adequate supply of carbon dioxide. Perform filling or emptying operations as needed to maintain an appropriate level. Waste Gas Treatment: Treat waste gases produced by the carbon dioxide cylinder to prevent environmental pollution. Implement appropriate waste gas treatment measures, such as collecting and processing the waste gases. Fire and Explosion Prevention Measures: Take fire and explosion prevention measures to ensure the safety of the environment around the cylinder. Keep away from ignition sources, high-temperature areas, and flammable materials, and regularly inspect and maintain fire prevention facilities. Identification and Warning Signs: Clearly label the cylinder with information such as the type of gas stored and pressure. Set up warning signs around the cylinder to remind personnel of its presence and related safety precautions. Storage Records: Record the cylinder's usage, including filling dates, quantities, and inspection records. Regularly conduct inspections and maintenance of the cylinder and retain relevant records. Regular Review and Improvement: Regularly review the cylinder management system and operational processes, promptly identify issues, and make improvements. Conduct risk assessments and management based on actual conditions to enhance management levels and safety performance. It should be noted that specific management guidelines may vary depending on the type of cylinder and application. When managing carbon dioxide cylinders, operate according to relevant specifications and standards and consult experts to ensure safety and effectiveness.

Common defects in CO2 storage tanks during use may include deformation. Here are some reasons that could lead to tank deformation: Overpressure: When the internal pressure of the tank exceeds its design pressure, it may cause deformation. This could be due to operational errors, system failures, or other causes. Temperature Changes: CO2 storage tanks expand and contract with temperature changes, and if the temperature changes are too extreme or rapid, it may result in tank deformation. Internal Corrosion: If there are corrosion issues inside the tank, corrosion can damage the structural integrity of the tank, leading to deformation. External Damage: External impacts, compressions, or other physical damages can cause tank deformation. Incorrect Installation or Use: Incorrect installation or usage methods can lead to uneven stress on the tank, causing deformation. Tank deformation can reduce the structural integrity of the tank and even pose risks of leakage or rupture. Therefore, it is important to regularly inspect and maintain the integrity of the tank, as well as to follow proper operational and installation procedures. If tank deformation or other defects are suspected, the tank should be immediately stopped from use and professional assistance should be sought for inspection and repair. Do not attempt to repair or continue using a defective tank to ensure operational safety.

Dry ice is a frozen agent created by directly converting carbon dioxide gas into a solid under high pressure. It has several applications:  Freezing food and pharmaceuticals: Dry ice is widely used for the transportation and storage of food and pharmaceuticals. Due to its low temperature and rapid cooling speed, it effectively maintains the freshness and quality of the products. Special effects and stage performances: Dry ice is also extensively used in special effects and stage performances. When it comes into contact with heat in the environment, it quickly turns into gas, producing a large amount of white smoke, creating a mysterious and dramatic atmosphere. Cleaning and disinfection: Dry ice can also be used for cleaning and disinfection. When it comes into contact with surfaces, the low temperature and physical impact of the vaporization process can effectively remove dirt, bacteria, and viruses without leaving residues. Laboratories and scientific research: Dry ice has applications in laboratories and scientific research as well. It can be used for freezing samples, preparing low-temperature experimental environments, and creating cold traps and condensers. It should be noted that safety must be observed when using dry ice. Avoid direct contact with skin and eyes, and do not use it in confined spaces to prevent carbon dioxide accumulation leading to oxygen deficiency.
Shandong Zhongjie Special Equipment, welcome customers to our factory for business discussions.