Shandong Zhongjie Special Equipment Co., Ltd. (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan 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-freezing vessels, 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 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, as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
Common defects in CO2 storage tanks may include deformation during use. Here are some reasons that could lead to tank deformation: Overpressure: When the internal pressure of the tank exceeds its design pressure, it can cause deformation. This may be due to operator error, system failure, or other causes. Temperature Fluctuations: CO2 storage tanks expand and contract with temperature changes, and if the temperature fluctuates too much or too quickly, it can result in tank deformation. Internal Corrosion: If there is corrosion inside the tank, it 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 use methods can cause uneven stress on the tank, leading to deformation. Tank deformation can reduce the structural integrity of the tank and even pose risks of leakage or rupture. Therefore, regular inspections and maintenance of tank integrity are crucial, as well as adhering to proper operational and installation procedures. If tank deformation is detected or other defects are suspected, the tank should be immediately stopped and professional assistance sought for inspection and repair. Do not attempt to repair or continue using a defective tank to ensure operational safety.

The safe operation of low-temperature CO2 storage tanks is primarily key in the following aspects: Design and Manufacturing: The design and manufacturing of the tanks must comply with relevant standards and regulations to ensure they can withstand working conditions under low temperatures and high pressures. The tanks should possess adequate strength and sealing performance to prevent leaks and ruptures. Safety Valves and Pressure Control: The tanks should be equipped with safety valves and pressure control devices to ensure the internal pressure of the tank remains within a safe range. Safety valves should be inspected and tested regularly to ensure proper functioning. Temperature Control: Effective temperature control is necessary for low-temperature CO2 storage tanks to prevent freezing or embrittlement due to excessively low temperatures. Appropriate insulation materials and equipment should be used to maintain the temperature of the tank and pipelines within a safe range. Leak Detection and Alarms: The tanks should be equipped with leak detection devices and alarm systems, as well as corresponding monitoring equipment. These devices can detect leaks promptly and trigger alarms, allowing for appropriate measures to be taken. Safe Operation and Training: Operators should receive relevant training to understand the safe operating procedures and standards for low-temperature CO2 storage tanks. Operators should be familiar with the tank's characteristics, working principles, and emergency response measures. Regular Inspections and Maintenance: Tanks should be inspected and maintained regularly, including visual inspections, corrosion coating maintenance, and leak detection. Regular inspections can identify potential issues early and implement corresponding repair measures. Emergency Preparedness: Establish an emergency response plan and equip with appropriate fire-fighting and first-aid equipment. Operators should be familiar with emergency procedures and able to respond swiftly to emergencies. Please note that the above points are general recommendations. Specific safe operation should be based on the design and usage requirements of the low-temperature CO2 storage tanks. Before using the tanks, it is recommended to refer to the relevant safe operation manuals and guidelines to ensure operation safety.

在二氧化碳储罐罐区进行安全操作时，需要遵循以下几个关键步骤和注意事项： 储罐区域划定：将储罐区域划定为专门的区域，并设置明确的标识和警示标志，以提醒人员注意安全。 人员培训：确保所有操作人员都接受过相关的培训，了解储罐的特性、操作规程和应急措施。培训内容应包括储罐的安全操作、泄漏处理、火灾应对等。 个人防护装备：所有进入储罐区域的人员都应佩戴适当的个人防护装备，如防护服、安全鞋、、手套等。这些装备可以提供保护，减少潜在的伤害风险。 操作规程：制定和遵守储罐的操作规程，包括储罐的开启、关闭、充装、排空等操作步骤。确保操作人员按照规程进行操作，避免操作失误和事故发生。 泄漏处理：储罐区域应配备适当的泄漏处理设备和材料，以应对可能的泄漏情况。操作人员应熟悉泄漏处理程序，并及时采取措施进行泄漏控制和清理。 火灾安全：储罐区域应配备适当的消防设备和灭火器材，并确保操作人员了解火灾应对程序。禁止在储罐区域内吸烟或使用明火，以防止火灾风险。 定期检查和维护：定期检查储罐的安全阀、压力表、温度传感器等设备的工作状态，并进行必要的维护和修理。确保储罐的正常运行和安全性。 应急预案：制定储罐区域的应急预案，包括事故报警、人员疏散、急救措施等。所有操作人员应熟悉应急预案，并定期进行演练和培训。 需要注意的是，以上是一般的安全操作指导，具体的操作要求可能会因不同的储罐设计和使用场景而有所差异。在进行储罐操作时，应遵循相关的安全操作规程和标准，确保操作的安全性和有效性。好咨询工程师或储罐制造商以获取具体的操作指导。

Before using the carbon dioxide storage tank, the following preparations must be made: - Inspect the tank: Check the tank's exterior for any signs of damage, corrosion, or oil leakage. Ensure the structural integrity and safety of the tank. - Check valves and pipes: Verify that the tank's inlet and outlet valves and pipe connections are functioning normally, with no leaks or loose fittings. Ensure valve operation is smooth and reliable. - Inspect safety accessories: Check the tank's safety accessories, such as safety valves, pressure sensors, and temperature sensors, to confirm they are working properly. Verify that their set parameters meet requirements. - Check the level measurement system: Assess the accuracy and reliability of the level measurement system. Calibrate the level sensors to ensure accurate level measurements. - Inspect the pressure relief device: Check that the tank's pressure relief device (e.g., safety valve) is functioning correctly. Verify that the set pressure of the relief device meets requirements. - Check the gas quality: Ensure the carbon dioxide gas in the tank meets quality standards, with no impurities or contaminants. - Check fire protection equipment: Ensure that fire protection equipment around the tank is in good condition and that extinguishers, sprinkler systems, etc., are functioning properly. - Train operators: Operators should receive training on the characteristics, operation requirements, and safety measures of the carbon dioxide storage tank. Training should include safe operation, leak handling, and emergency procedures. - These preparations ensure the tank is in good condition before use and guarantee the safety and reliability of operations. Follow relevant safety operating procedures during preparations and have personnel handle the operations.
Our company highly values technological innovation and R&D design. We have one city-level technical center in Heze City, equipped with non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and other testing facilities. We have over 600 pieces of various equipment such as CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, and plasma welding machines. 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 included in multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, key projects of Shandong Province, and Heze City innovation and excellence projects. We have accumulated a total of 27 authorized utility models, 16 authorized inventions, 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 jointly developed deep cryogenic vessel processing technology, using the internationally recognized plasma arc + filler wire tungsten inert gas arc combination welding (PAW-GTAW) technology. After being appraised as a provincial-level scientific and technological achievement, the technology level has reached international standards in the field of deep cryogenic vessel manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!