Shandong Zhongjie Special Equipment (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-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 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 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, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
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 the tank shell, valves, and pipe connections for any anomalies. - Valve and Pipe Inspection: Verify that the tank's inlet and outlet valves and pipe connections are functioning properly and for any leaks or loose fittings. Ensure valves operate smoothly and reliably. - Pressure Relief Device Inspection: Check that the tank's pressure relief devices (e.g., safety valves) are functioning correctly. Confirm that the set pressure of the relief devices meets requirements. - Level Measurement System Inspection: Verify the accuracy and reliability of the level measurement system. Calibrate the level sensors to ensure accurate level measurements. - Pressure and Temperature Inspection: Check that the tank's pressure and temperature sensors are operating properly. Confirm the accuracy of 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 functioning correctly. Verify that their set parameters meet requirements. - Fire Protection Equipment Inspection: Ensure that fire protection equipment around the tank is intact and check that fire extinguishers, sprinkler systems, etc., are working properly. - Liquid and Gas Quality Inspection: Ensure that the carbon dioxide liquid and gas in the tank meet quality requirements and are free of impurities or contaminants. - Record and Report: Document the inspection date, contents, identified issues, and measures taken. Submit inspection reports to relevant departments or management as needed. These are general steps for daily inspections of carbon dioxide storage tanks. Specific operations should be tailored to the tank's characteristics and requirements. When conducting inspections, adhere to relevant safety operating procedures and have trained personnel perform the operations.

Water tightness test of carbon dioxide storage tanks is a commonly used quality inspection method, used to verify the tank's sealing and pressure resistance performance. Below are the general steps for conducting water tightness tests on carbon dioxide storage tanks: Preparation: Ensure the tank interior is clean and the tank is emptied. Check the tank's valves, pipes, and connections to ensure good sealing. Filling with Water: Fill the tank interior with water, using tap water or other clean sources. Ensure even water filling to avoid bubbles or dead corners. Applying Pressure: Use a pressure pump or other pressure device to gradually increase the water pressure until reaching the predetermined test pressure. The test pressure is typically determined based on the tank's design requirements and relevant standards. Maintaining Pressure: After reaching the test pressure, maintain it for a period, usually 15-30 minutes. During this time, observe for any leakage and check the valves and connection points for leaks. Pressure Relief: Release the water pressure in the tank, ensuring a slow and even release to avoid sudden pressure relief causing shocks. Inspection and Evaluation: After pressure release, inspect the tank's exterior and interior for any leakage. Evaluate the test results to ensure the tank's sealing and pressure resistance meet requirements. It is important to note that when conducting water tightness tests, follow relevant safety operation procedures and standards to ensure safety and reliability during the testing process. Depending on the tank's design and usage requirements, other types of tests, such as pressure tests and ultrasonic inspections, can be conducted for a comprehensive evaluation of the tank's quality and performance. Seek advice and guidance from consulting professionals.

Common guidelines for carbon dioxide cylinder management: - Safety Management: Establish comprehensive safety management systems, including operational procedures, emergency response plans, and incident handling protocols. Ensure that operators possess 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 liquid level within the cylinder to ensure adequate carbon dioxide is present. Perform filling or emptying operations as needed to maintain appropriate levels. - Emission Control: Handle the emissions from carbon dioxide cylinders to prevent environmental pollution. Implement appropriate emission control measures, such as collecting and treating emissions. - Fire and Explosion Prevention Measures: Take fire and explosion prevention measures to ensure the safety of the environment around the cylinder. Keep away from fire sources, high-temperature areas, and flammable materials. Regularly inspect and maintain fire protection facilities. - Identification and Warning Signs: Clearly label the cylinder with information such as the type of gas 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 cylinder management systems and operational processes, identify and address issues promptly, and improve. Conduct risk assessments and management based on actual conditions to enhance management levels and safety performance. - Note: 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.

Carbon dioxide tanks are widely used in many different industries. Here are some common applications: Food and Beverage Industry: Carbon dioxide tanks are used in the production of carbonated beverages, beer, soda, etc. Carbon dioxide is injected into the drinks to enhance their fizz and taste. Industry: In the industry, carbon dioxide tanks are used for applications such as anesthesia, respiratory care, and emergency medical services. Liquid carbon dioxide can be used to produce refrigerants for freezing and preserving biological samples and tissues. Fire Extinguishing: Carbon dioxide tanks are utilized in fire suppression systems. Carbon dioxide is released into the fire scene to extinguish flames by depriving oxygen supply. Gas Supply: Carbon dioxide tanks are also used to supply CO2 gas in industrial and commercial sectors. These gases are used in welding, gas shielding, semiconductor manufacturing, water treatment, and more. Climate Control: In greenhouses and indoor horticulture, carbon dioxide tanks are used to control and increase the CO2 concentration for plant growth. Additionally, carbon dioxide tanks can be used in other industries, such as the automotive industry (for airbag systems), and other industries (for propellants and gas supply). It is important to note that the requirements and applications for carbon dioxide tanks may vary by industry. When using carbon dioxide tanks, it is essential to comply with relevant regulations and standards, and ensure that the design, manufacturing, and use of the tanks meet the necessary requirements.
Zhongjie Special Equipment upholds the great vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," focusing solely on the development of green energy equipment. We dedicate products and services with high cost-performance to the society!