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 seven business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and the 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 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, as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
Carbon dioxide storage tanks possess the following characteristics: - High-pressure vessels: Carbon dioxide storage tanks are typically designed as high-pressure vessels, capable of withstanding high pressure. This is because carbon dioxide requires high pressure at room temperature to maintain a liquid state. - High oxidizing properties: Carbon dioxide has high oxidizing properties and can support combustion. Therefore, when handling and storing carbon dioxide, precautions should be taken to prevent contact to avoid fire and explosion risks. - Low-temperature storage: Carbon dioxide is gaseous at room temperature but can be compressed into a liquid at lower temperatures. Consequently, carbon dioxide storage tanks usually need to have good thermal insulation to maintain the低温 of stored liquid carbon dioxide. - High density: Liquid carbon dioxide has a high density, allowing for the storage of large amounts of carbon dioxide in a relatively small volume. This makes carbon dioxide storage tanks useful in scenarios requiring substantial carbon dioxide supplies. - Safety valves and pressure control: To ensure the internal pressure of the tank remains within a safe range, carbon dioxide storage tanks are usually equipped with safety valves and pressure control devices. These devices monitor and control the tank's internal pressure to prevent excessive pressure from causing the tank to burst. - Corrosiveness: Carbon dioxide has some degree of corrosiveness, particularly in high humidity environments. Therefore, the materials and corrosion prevention measures for the tank must consider the corrosiveness of carbon dioxide to ensure the tank's durability and safety. These characteristics make carbon dioxide storage tanks widely applicable in various industries, such as the food and beverage industry, fire protection, and gas industries. When using carbon dioxide storage tanks, it is necessary to follow relevant safety operating procedures and standards to ensure operational safety.

When using carbon dioxide tanks, the following safety procedures must be followed to ensure safety: - Tank Operator Training: All operators must receive training to understand the characteristics, operation requirements, and safety measures of carbon dioxide tanks. The training should include safe operation of the tank, leak handling, emergency response plans, etc. - Safety Operating Procedures: Establish and adhere to relevant safety operating procedures, including tank start-up, shutdown, inspection, and maintenance. Operators should operate according to the procedures to ensure the safe operation of the tank. - Leak Handling: Establish a leak handling program, including leak detection, emergency shutdown, and isolation of the leak source. Operators should be familiar with the leak handling procedures and be able to respond quickly and correctly to leak incidents. - Fire Prevention Measures: Carbon dioxide is flammable, so fire prevention measures must be taken when in use. Smoking, open flame operations, or placing flammable items near the tank is prohibited. Ensure that fire protection equipment around the tank is in good condition and that fire drills are conducted regularly. - Waste Gas Emission: When using carbon dioxide tanks, waste gases should be discharged properly to avoid the accumulation of carbon dioxide in enclosed spaces, which can lead to asphyxiation and safety risks. Ensure that the waste gas emission system is unobstructed and functioning normally. - Regular Inspection and Maintenance: Regularly inspect the tank's appearance, seals, valves, and pipe connections. If any anomalies or damage are found, repairs or replacements should be made promptly. Also, regularly check and maintain the safety valves, pressure sensors, and other accessories. - Emergency Response Plan: Develop and implement an emergency response plan, including handling of leak incidents, evacuation procedures, and first aid measures. Operators should be familiar with the emergency response plan and conduct drills regularly. - Monitoring and Alarm System: Install and maintain the tank's monitoring and alarm system.

When using CO2 storage tanks, the following points should be noted: Safety Operation: Prior to operating a CO2 storage tank, it is mandatory to familiarize and comply with relevant safety operation procedures and guidelines. Ensure that operators have received necessary training and understand the tank's working principle, operating procedures, and emergency measures. Tank Inspection: Regularly inspect the external and internal conditions of CO2 storage tanks, including checking for corrosion, leaks, and welds on the tank walls. If any abnormalities or damage are found, take immediate repair or replacement actions. Tank Pressure Control: Ensure that the internal pressure of the tank remains within a safe range. Monitor and control the tank's pressure to prevent damage or safety risks from excessive or low pressure. Fire Prevention Measures: CO2 is a flammable gas, so fire prevention measures must be taken when using it. Avoid open flame operations near the tank and ensure there are no flames in the surrounding environment. Leakage Handling: In case of CO2 leakage, appropriate emergency measures should be taken immediately. Promptly notify relevant personnel, ensure safe evacuation, and take actions to prevent the spread of the leak. Tank Maintenance: Regularly maintain and service the tank, including cleaning, lubrication, and corrosion prevention. Follow the manufacturer's recommendations and guidelines to ensure the tank operates normally and has a long lifespan. Compliance: Adhere to local regulations, standards, and specifications to ensure that the tank's design, manufacturing, installation, and use meet the corresponding requirements. It is crucial to strictly follow safety operation procedures when using CO2 storage tanks and to cooperate with relevant personnel to ensure the tank's safety and reliability.

清洁低温液体储罐的过程需要谨慎操作，以确保安全性和有效性。以下是一般的清洁步骤： 安全准备：在清洁液体储罐之前，确保储罐内的液体已经完全排空，并且储罐的压力已经释放。确保所有相关的安全设备和阀门处于关闭状态。 防护措施：低温液体储罐通常存储着冷的液体，如液氮或液氧。在进行清洁操作时，必须佩戴适当的个人防护装备，如绝缘手套、、防护服等，以防止冷或其他伤害。 清洁剂选择：选择适合清洁低温液体储罐的清洁剂。清洁剂应具备良好的腐蚀性能和低温适应性。可以咨询清洁剂供应商或储罐制造商以获取建议。 清洁过程：将清洁剂注入储罐中，使用适当的工具（如喷洒器、刷子等）进行清洁。根据储罐的尺寸和污染程度，可以选择手动清洁或使用清洗设备。 冲洗和排放：清洁完成后，使用清水或其他适当的冲洗剂进行冲洗，以确保清洁剂和污物。冲洗完成后，将废水和废液排放到合适的处理系统中，遵循环境保护的相关规定。 检查和验证：清洁完成后，进行储罐的检查和验证，确保储罐内部干净、无残留物，并符合相关的安全和卫生要求。 需要注意的是，清洁低温液体储罐的具体步骤和要求可能会因不同的储罐设计和使用场景而有所差异。在进行清洁操作时，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清洁指导。
Our company places great emphasis on technological innovation and R&D design. We have one municipal-level enterprise technology center in Heze City, equipped with testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We have over 600 various 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. The key products and technologies we have developed, 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, Shandong Province key projects, and Heze City innovative and excellent projects. We have accumulated 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. This technology has been appraised as reaching international standards in the field of deep cryogenic container manufacturing at the provincial level. Choose Zhongjie Special Equipment, and let's create brilliance together!