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 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 engineering and technical personnel and 82 middle-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 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.
When storing carbon dioxide tanks, the following requirements must be met to ensure safety and effectiveness: Ventilation: Tanks should be stored in well-ventilated areas to prevent the accumulation of carbon dioxide gas. Ensure there is sufficient air circulation around the tank to avoid gas buildup and asphyxiation risks. Fire and Explosion Prevention: Tanks should be kept away from fire sources, high-temperature areas, and flammable materials. Avoid performing open-flame work near the tank to prevent fire and explosion risks. Sunlight Avoidance: Store tanks in locations shielded from direct sunlight to prevent overheating and pressure increase. Direct sunlight can raise tank temperatures, increasing the risk of leakage and explosion. Mechanical Damage Prevention: Keep tanks away from machinery and heavy objects to avoid collisions and damage. Mechanical damage can lead to tank leakage or rupture, causing safety hazards. Labeling and Warning Signs: Tanks should be clearly labeled with information such as the type of gas stored and pressure. Set up warning signs around the tank to alert personnel to its presence and related safety precautions. Regular Inspections: Conduct regular inspections of the tank's exterior, valves, and fittings to ensure they are undamaged. Take prompt corrective actions if any abnormalities are detected. Storage Capacity Control: Control the storage capacity of the tank to prevent exceeding its rated capacity. Overfilling can cause excessive tank pressure, increasing safety risks. Storage Records: Keep records of the tank's usage, including filling dates, filling quantities, and inspection records. Regularly inspect and maintain the tank, and retain relevant records. Note that specific storage requirements may vary depending on tank type and application. When storing carbon dioxide tanks, operate in accordance with relevant specifications and standards, and consult with experts to ensure safety and effectiveness.

Before using a CO2 storage tank, certain inspection and filling points must be addressed. Here are some common precautions: - Inspect the tank exterior: Check for any visible damage, corrosion, or leakage signs. Ensure the tank shell is intact. - Check valves and fittings: Verify that the valves and fittings on the tank are securely fastened with no leakage. Ensure their proper functioning. - Inspect the pressure gauge: Confirm that the pressure gauge on the tank is working correctly and the readings are accurate. Replace or repair if abnormal. - Check the level indicator: Ensure the level indicator on the tank is functioning correctly and accurately displays the level. Repair or replace if abnormal. - Inspect the pressure relief device: Check that the pressure relief device (e.g., safety valve) on the tank is operating properly and the set pressure meets requirements. Repair or replace if abnormal. - Inspect the filling equipment: Verify that the filling equipment (e.g., filling pipes, pumps) is working correctly with no leakage or blockage. Ensure safety and reliability. - Filling operation: During the filling process, pay attention to the following: - Control the filling speed to avoid too fast or too slow. - Control the filling pressure to prevent exceeding the tank's rated pressure. - Monitor the level to ensure proper filling. - Regularly inspect filling equipment and valves to ensure proper operation. - Safety measures: Adhere to relevant safety regulations and procedures during the filling process. Operators should wear appropriate protective gear, such as static-resistant clothing, gloves, etc. - Note that specific inspection and filling points may vary depending on the type of tank and application. Before using a CO2 storage tank, inspect and operate according to relevant specifications and standards, and consult with experts to ensure safety and effectiveness.

For accessories of CO2 storage tanks, such as valves, pipes, and pressure relief devices, maintenance and protection are crucial. Here are some suggestions: Regular Inspections: Conduct regular inspections of the accessories' appearance and operational status to ensure no damage, loose parts, or leaks. Pay special attention to the sealing performance and operational flexibility of valves. Cleaning and Maintenance: Regularly clean the accessories to remove dirt and impurities on the surface. Use appropriate cleaning agents and tools, avoiding corrosive substances. Lubrication Maintenance: For accessories requiring lubrication, such as valve pistons and stems, perform regular lubrication maintenance. Use suitable lubricants to ensure the normal operation and sealing performance of valves. Sealing Inspection: Regularly check the sealing performance of the accessories, such as valve seals and sealing surfaces. Replace any damaged or worn-out sealing parts promptly. Corrosion Protection: For accessories prone to corrosion, such as pipes and valves, take anti-corrosion measures, such as applying anti-corrosion coatings or wrapping with anti-corrosion materials. Regular Calibration: Calibrate measuring equipment such as level sensors and pressure sensors regularly to ensure accuracy and reliability. Regular Maintenance: Develop a regular maintenance plan based on the usage and requirements of the accessories, including cleaning, lubrication, and repairs. Ensure long-term stable operation of the accessories. Storage and Transportation Precautions: For spare or replacement accessories, pay attention to moisture-proof, shock-proof, and damage-proof during storage and transportation to avoid affecting their normal use. The above suggestions are for the maintenance and protection of CO2 storage tank accessories. Specific operations should be tailored to the characteristics and requirements of the accessories and follow relevant regulations.

Construction features of CO2 storage tanks mainly include the following aspects: Material selection: CO2 storage tanks are typically made of carbon steel or stainless steel to ensure their corrosion and pressure resistance. Welding technique: The welding process of the tank is crucial for its quality and safety. The welding technique should comply with relevant standards and specifications to ensure the quality and strength of the welds. Corrosion prevention measures: Due to the corrosive nature of CO2, internal and external corrosion prevention treatment of the tank is necessary. Common corrosion prevention measures include spraying anti-corrosion paint, applying a corrosion-resistant coating, or using corrosion-resistant coatings. Safety valves and pressure sensors: The tank should be equipped with safety valves and pressure sensors for monitoring and controlling internal pressure to ensure safe operation. The correct steps for installing CO2 storage tanks are as follows: Site preparation: Choose a suitable site for installation, ensuring it is flat, stable, and meets safety distance requirements. Clean the site to ensure there are no obstructions or fire sources. Foundation construction: Construct the foundation according to the tank's dimensions and weight. The foundation should have sufficient strength and stability to support the tank's weight and pressure. Tank installation: Place the tank on the foundation, ensuring proper bedding and fastening devices between the tank and foundation. Connect and fasten the tank according to design requirements. Pipe connection: Connect the tank to the piping system as required. Ensure good sealing at the connection points to prevent leaks. Safety equipment installation: Install the required safety equipment for the tank, such as safety valves, pressure sensors, temperature sensors, etc. Ensure these facilities are properly installed and connected.
Our company places great emphasis on technological innovation and R&D, boasting 1 municipal-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and more. We are equipped with over 600 types of instruments and equipment, including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and more. Our key products and technologies, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, key projects in Shandong Province, and Heze City innovation and excellence projects. We have cumulatively obtained 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Yajiang Li of Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + wire filling argon arc welding (PAW-GTAW) technology. After provincial-level scientific and technological achievement identification, the technology level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!