Shandong Zhongjie Special Equipment Co., Ltd. (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 operates seven business centers: boilers, deep-freezing vessels, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three manufacturing 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. Currently, the company has 710 employees, 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 in Shandong Province" by the Department 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.
The quality of CO2 storage tanks is influenced by several factors: - Material Quality: The quality of the material used directly impacts the tank's corrosion resistance, strength, and sealing performance. Common materials include carbon steel and stainless steel. Selecting high-quality materials can enhance the tank's quality and lifespan. - Manufacturing Process: The manufacturing process significantly affects the tank's quality. Welding, heat treatment, and surface treatment during production must comply with relevant standards and regulations to ensure structural integrity and performance stability. - Design Specifications: The tank's design must adhere to applicable design standards and regulations, such as industry standards. A well-designed tank ensures sufficient strength and safety under normal operating conditions. - Safety Accessories: Safety accessories like safety valves, pressure sensors, and temperature sensors play a crucial role in the tank's quality and safety. Choosing high-quality accessories and ensuring proper installation and tuning can improve the tank's quality and safety. - Inspection and Testing: Inspections and tests, such as material testing, weld inspections, and pressure tests, are required during the manufacturing process. These tests ensure the tank meets quality requirements and complies with safety standards. - Usage and Maintenance: The tank's usage and maintenance also impact its quality. Proper usage and regular maintenance can extend the tank's lifespan and maintain its optimal working condition. In summary, the quality of CO2 storage tanks is influenced by material quality, manufacturing process, design specifications, safety accessories, inspections and testing, and usage and maintenance. When selecting and using storage tanks, attention should be given to these factors to ensure quality and safety.

When using carbon dioxide tanks, pay attention to the following aspects: - Safe Operation: Operators must receive training to understand the characteristics, operational requirements, and safety measures of carbon dioxide tanks. Adhere to relevant safety operation procedures and standards to ensure operational safety. - Tank Inspection: Regularly inspect the tank's appearance, sealing, valves, and pipeline connections before use. Repair or replace promptly if any abnormalities or damage are found. - Tank Placement: Place the tank in a well-ventilated, dry, and fire-free area. Avoid direct sunlight and high temperatures to prevent overheating. - Leak Protection: Ensure that the tank's valves and pipeline connections are sealed properly to prevent carbon dioxide leaks. Regularly inspect and replace seals, and address leaks promptly. - Pressure Control: Maintain internal tank pressure within a safe range. Check the tank's pressure gauge and safety valve before use to ensure proper operation. Avoid excessive or low pressure to prevent safety accidents. - Fire Prevention: Carbon dioxide is flammable, so fire prevention measures must be taken during use. Smoking, open flame operations, or placing flammable items near the tank are prohibited. - Exhaust Emission: Properly discharge exhaust gases generated during the use of carbon dioxide tanks to avoid carbon dioxide accumulation in enclosed spaces, which can lead to asphyxiation and safety risks. - Emergency Response Plan: Develop and implement an emergency response plan, including procedures for leak incidents, evacuation, and first aid measures. Operators should be familiar with the plan and conduct regular drills. Note that carbon dioxide tanks should only be used by trained personnel following relevant safety operation procedures and standards. Seek advice and guidance from experts.

Carbon dioxide storage tanks are classified as pressure vessels. Pressure vessels are sealed containers designed to withstand internal pressure, used for storing and transporting gases, liquids, or mixtures. Carbon dioxide storage tanks are pressure vessels specifically designed for storing and transporting carbon dioxide, featuring special designs and structures to ensure safe storage and usage of carbon dioxide. Depending on design and application, these tanks can be vertical or horizontal, with varying capacities and pressure ratings. When using carbon dioxide storage tanks, it is necessary to comply with relevant regulations and standards to ensure safe operation and usage.

Daily inspections and maintenance of carbon dioxide storage tanks can be conducted following these steps: - **Visual Inspection**: Check for any obvious damage, corrosion, or oil leakage on the tank's exterior. Pay attention to the tank shell, valves, and pipe connections for any anomalies. - **Internal Inspection**: If access to the tank interior is permitted, perform an internal inspection. Look for corrosion, scaling, or blockages in the lining, valves, and pipes. - **Valve and Pipe Inspection**: Check the tank's inlet and outlet valves and pipe connections for proper functioning, leaks, or loose fittings. Ensure valves operate smoothly and reliably. - **Pressure Relief Device Inspection**: Verify 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. - **Measurement and Control System Inspection**: Check that the tank's level, pressure, and temperature measurement and control systems are operating properly. Calibrate and test the accuracy of measuring equipment. - **Cleaning and Drainage**: Regularly clean the tank interior of accumulated impurities and sediments. Also, periodically drain the tank to remove liquid and gas impurities. - **Maintenance and Repair**: Based on inspection results, perform necessary maintenance and repair work. Repair damaged components, replace worn-out seals, etc., to ensure normal tank operation. - **Documentation and Reporting**: Document the inspection and maintenance process, including the inspection date, contents, identified issues, and measures taken. Submit inspection reports to relevant departments or management as needed. - The above steps are general guidelines for daily inspections and maintenance of carbon dioxide storage tanks. Specific procedures should be adapted to the tank's characteristics and requirements. When conducting inspections and maintenance, follow relevant safety operating procedures and have personnel handle the operations.
Our company places great emphasis on technological innovation and research and development, boasting one city-level technical center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc., and are equipped with over 600 pieces of various 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. The key products and technologies we have developed, such as temperature-pressure vessel welding, biomass boiler emissions reduction, and waste heat recovery, have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology scientific and technological innovation projects, Shandong Provincial key projects, and Heze City innovative 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 Li Yajiang of Shandong University, has developed deep cryogenic container processing technology, utilizing the internationally recognized plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. The provincial technological achievement assessment has confirmed that the technology level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjietezhuang, let's work together to create brilliance!