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 spanning 83,000 square meters. It 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 carbon dioxide storage tanks offer several advantages: - Low-temperature storage capability: These tanks can store carbon dioxide at low temperatures, typically between -40°C and -70°C. This low-temperature storage allows carbon dioxide to be stored in a liquid state, significantly reducing the required storage space. - High storage density: Due to the liquid state of carbon dioxide at low temperatures, its storage density is relatively high. Compared to gaseous storage, liquid storage can hold more carbon dioxide in a smaller tank, enhancing storage efficiency. - Environmental and renewable: Carbon dioxide is an environmentally friendly gas, with minimal harmful emissions during storage and use. Additionally, it can be reused through capture and recycling technologies, reducing environmental impact. - High safety: Low-temperature carbon dioxide storage tanks are made from high-strength materials with excellent sealing and corrosion resistance. They are equipped with safety valves and pressure relief devices to effectively control internal pressure and temperature, ensuring safety during storage. - Wide application: These tanks are widely used in various industries, including food and beverage, pharmaceutical, and chemical industries. They can be used for frozen food, refrigeration equipment, gas supply, and more, meeting diverse industry needs. In summary, low-temperature carbon dioxide storage tanks offer advantages such as low-temperature storage capability, high storage density, environmental and renewable properties, high safety, and broad application. These benefits make them crucial storage equipment for carbon dioxide in many 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 lifespan. 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, promptly repair or replace them. - Internal Cleaning: Regularly clean the interior of the liquid oxygen storage tank to remove accumulated impurities and dirt. Use appropriate cleaning agents and tools during the cleaning process to prevent damage to the tank. - Level Measurement: Regularly measure the liquid level to ensure it remains within a safe range within the storage tank. Use a level gauge or other measuring equipment for the measurement and record the results. - Pressure Testing: Regularly conduct pressure tests to verify the tank's pressure resistance. Control the pressure and time during testing to ensure safety and accuracy. - Leak Detection: Regularly perform leak detection to ensure the tank's sealing integrity. Use leak detection equipment such as gas detectors or foam leak detectors. - Valve and Pipeline Inspection: Regularly check the valves and pipeline connections of the liquid oxygen storage tank to ensure they are sealed properly and there are no leakage issues. Promptly repair or replace if any problems are found. - Maintenance Records: Keep records of the testing and maintenance activities for the liquid oxygen storage tank, including inspection dates, contents, and results. These records help track the tank's maintenance history and issue resolution. - Scheduled Maintenance: Develop a regular maintenance plan based on the tank's usage and requirements. Maintenance includes lubrication, bolt tightening, and replacement of seals to ensure normal operation.

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 resistance and pressure-bearing performance. Welding Technology: The welding technology 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 Prevention Measures: Due to the corrosive nature of CO2, both the internal and external surfaces of the tank should be treated for corrosion prevention. Common measures include applying anti-corrosion paint, coating with a corrosion-resistant layer, 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 the internal pressure of the tank to ensure safe operation. Steps for Proper Installation of CO2 Storage Tanks: Site Preparation: Select a suitable site for installation, ensuring the site is level, stable, and meets safety distance requirements. Clear the site to ensure there are no obstructions or fire sources. Foundation Construction: Construct the foundation based on the size and weight of the tank. The foundation should have sufficient strength and stability to support the weight and pressure of the tank. Tank Installation: Place the tank on the foundation, ensuring there are appropriate bedding and fastening devices between the tank and the foundation. Connect and fasten the tank according to the design requirements. Pipe Connection: Connect the tank to the piping system as needed. Ensure 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.
ZJ Special Equipment adheres to 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 high-value products and services to society!