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-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 area of 200,000 square meters, with the main workshop spanning 83,000 square meters. The company currently employs 710 people, 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.
Low-temperature CO2 storage tanks offer several advantages: - Low-temperature storage capacity: These tanks can store CO2 at low temperatures, typically between -40°C and -70°C. This低温 storage capability allows CO2 to be stored in liquid form, significantly reducing the required storage space. - High storage density: Due to the liquid form of CO2 at low temperatures, its storage density is relatively high. Compared to gaseous storage, liquid storage can hold more CO2 in smaller tanks, enhancing storage efficiency. - Environmental friendly and renewable: CO2 is an eco-friendly gas, and its storage and use processes do not produce harmful substances. Additionally, CO2 can be reused through technologies like capture and recovery, reducing environmental impact. - High safety: Low-temperature CO2 storage tanks are made from high-strength materials with excellent sealing and corrosion resistance. They are equipped with safety valves and pressure relief devices, effectively controlling internal pressure and temperature for safe storage. - Wide application: These tanks are widely used in various industries, including food and beverage, pharmaceutical, and chemical sectors. They are suitable for applications like frozen food, refrigeration equipment, and gas supply, meeting diverse industrial needs. In summary, low-temperature CO2 storage tanks possess advantages such as low-temperature storage, high storage density, environmental friendliness, renewability, high safety, and wide application. These benefits make them critical equipment for storing and using CO2 in numerous industries.

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。

The testing and maintenance of liquid oxygen storage tanks are crucial for ensuring safe operation and extending their service life. Below is a general outline of the testing and maintenance procedures for liquid oxygen storage tanks: - **Visual Inspection:** Regularly inspect the exterior of the liquid oxygen storage tank for corrosion, wear, and cracks. If any anomalies are found, address them promptly with repairs or replacements. - **Internal Cleaning:** Clean the interior of the liquid oxygen storage tank regularly to remove accumulated impurities and dirt. Use appropriate cleaning agents and tools to avoid damaging the tank. - **Level Measurement:** Conduct regular level measurements to ensure the liquid level within the storage tank is within the safe range. Use level gauges or other measuring equipment and record the results. - **Pressure Testing:** Perform regular pressure tests to verify the tank's pressure resistance. Control the pressure and time during testing to ensure safety and accuracy. - **Leak Detection:** Regularly check for leaks to ensure the tank's integrity. Use leak detection equipment such as gas detectors or foam leak detection agents. - **Valve and Pipe Inspection:** Regularly inspect the valves and pipe connections of the liquid oxygen storage tank to ensure they are sealed properly with no leakage. Address any issues with repairs or replacements. - **Maintenance Records:** Keep records of the testing and maintenance activities, including dates, inspection items, and results. These records help track the tank's maintenance history and issue resolution. - **Regular Maintenance:** Develop a regular maintenance schedule based on the tank's usage and requirements. This includes lubrication, bolting, and replacing seals to ensure smooth operation.

Construction features of carbon dioxide storage tanks mainly include the following aspects: Material Selection: Carbon dioxide storage tanks are typically made of carbon steel or stainless steel to ensure their corrosion resistance and pressure-bearing performance. Welding Technique: The welding technique of the tank is crucial for its quality and safety. The welding process should comply with relevant standards and specifications to ensure the quality and strength of the welds. Corrosion Protection Measures: Due to the corrosive nature of carbon dioxide, both the internal and external surfaces of the tank should be treated with corrosion protection. Common corrosion protection measures include applying anti-corrosion paint, coating with a corrosion-resistant layer, or using anti-corrosion coatings. Safety Valves and Pressure Sensors: The tank should be equipped with safety valves and pressure sensors to monitor and control the internal pressure of the tank, ensuring safe operation. Steps for Proper Installation of Carbon Dioxide Storage Tanks: Site Preparation: Select an appropriate site for installation, ensuring the site is level, stable, and meets safety distance requirements. Clear the site, ensuring there are no obstructions or sources of fire. Foundation Construction: Construct the foundation based on 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 there is appropriate padding and fastening equipment between the tank and the foundation. Connect and fasten the tank according to its design requirements. Pipe Connection: Connect the tank to the piping system as needed. Ensure that the connections are sealed properly to prevent leaks. Safety Equipment Installation: Install the required safety equipment for the tank, such as safety valves, pressure sensors, and temperature sensors. Ensure these facilities are correctly installed and connected.
Zhongjie Special Equipment adheres to the grand vision of "realizing employees' dreams, creating customer value, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We offer products and services with high cost-performance to contribute to society!