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 has 7 business centers: boilers, deep-freeze 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. It currently employs 710 people, 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 Industrial and Information Technology Department. 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.
The process of filling a CO2 storage tank involves injecting liquid CO2 into the tank. Here are some important considerations for CO2 storage tank filling: - Safe Operation: Adhere to the relevant safety operating procedures during CO2 storage tank filling. Operators should be trained and aware of the tank's characteristics and safety precautions to ensure safe operation. - Tank Capacity Control: Ensure that the filling process does not exceed the tank's rated capacity. Exceeding this capacity can lead to excessive tank pressure, increasing safety risks. - Filling Rate Control: Maintain a moderate filling rate to avoid both too fast and too slow filling. A too rapid rate can cause excessive internal pressure, while a slow rate may lead to extended filling times. - Temperature Control: Monitor the temperature of the liquid CO2 during filling. High temperatures can cause rapid evaporation, and low temperatures can lead to solidification. - Pressure Control: Control the internal pressure of the tank during filling. Excessive pressure can cause tank破裂 or leakage, while low pressure may result in inadequate filling. - Level Monitoring: Regularly monitor the tank's level during filling to ensure accurate level measurements and avoid overfilling or underfilling. - Pressure Relief Devices: The tank should be equipped with pressure relief devices, such as safety valves, to control internal pressure. The set pressure of these devices should meet relevant requirements and be checked and maintained regularly. - Environmental Protection: Be mindful of environmental protection during filling to prevent CO2 leakage and contamination. Take appropriate protective measures, such as using sealed connections and protective devices. These are some important considerations for CO2 storage tank filling. Follow relevant safety regulations and standards during filling operations and consult with experts to ensure safety and effectiveness.

The internal structure of a carbon dioxide storage tank typically includes the following main components: 1. Tank Shell: The tank shell serves as the primary container for storing carbon dioxide and is usually made of carbon steel or stainless steel. It is designed with adequate strength and sealing to withstand the pressure and loads inside the tank. 2. Lining Layer: To prevent direct contact between carbon dioxide and the tank shell, avoiding corrosion and contamination, the interior of the tank is usually coated with a lining layer. This lining is typically made of corrosion-resistant materials such as glass fiber reinforced plastic or polyester resin. 3. Support Structure: To support the tank's weight and maintain stability, a support structure is usually installed inside the tank. This can include support legs or frames to support the bottom and side walls of the tank. 4. Internal Accessories: The tank is also equipped with important accessories such as level gauges, pressure sensors, temperature sensors, and safety valves. These accessories are used to monitor and control the liquid level, pressure, and temperature inside the tank to ensure safe operation. 5. Pressure Relief Device: To prevent excessive internal pressure, the tank is usually equipped with a pressure relief device such as a safety valve. When the internal pressure exceeds the set value, the relief device automatically opens to release pressure, protecting the tank's safety. 6. Inlet and Outlet Pipes: The tank also has inlet and outlet pipes for injecting and discharging carbon dioxide. These pipes are typically connected to external supply or consumption systems to facilitate the storage and use of carbon dioxide. The above is a general description of the internal structure of a carbon dioxide storage tank. Specific structural design and configurations may vary depending on the tank's purpose and specifications. When using and maintaining the tank, it is necessary to...

In everyday use, carbon dioxide tanks require protection and maintenance to ensure proper operation and safety. Here are some common protection and maintenance methods: - Appearance Inspection: Regularly check the tank's exterior for signs of corrosion, wear, and cracks. If any abnormalities are found, take immediate corrective actions. - Sealing Integrity Check: Periodically inspect the tank's sealing performance, especially at valves, pipe connections, and the tank itself. Ensure there are no leaks, and repair any leaks promptly. - Temperature Control: Maintain a suitable ambient temperature around the tank and take appropriate insulation measures to ensure the tank's internal低温 condition. - Pressure Relief Device Inspection: Regularly check the tank's pressure relief devices, such as safety valves, to ensure they are functioning correctly. Verify that the set pressure of the relief devices meets requirements and perform regular maintenance and replacements. - Level Monitoring: Regularly monitor the tank's liquid level to ensure accurate measurements. If any level abnormalities are detected, promptly investigate the cause and take appropriate actions. - Regular Cleaning: Regularly clean the tank's interior to remove accumulated debris and dirt. Be cautious during cleaning to avoid using flammable and corrosive substances. - Regular Testing: Regularly conduct pressure tests and leak detections on the tank to ensure its safety performance meets requirements. The frequency and methods of testing should be in accordance with relevant regulations and standards. - Storage Capacity Control: Control the tank's storage capacity to prevent exceeding the rated capacity. Overfilling can lead to excessive tank pressure, increasing safety risks. - Note: Specific protection and maintenance methods may vary depending on the type of tank and its application.

The quality of carbon dioxide storage tanks is influenced by several factors: - Material Quality: The quality of the material used directly affects 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 impacts the tank's quality. Welding, heat treatment, and surface treatment during production must comply with relevant standards and specifications to ensure structural integrity and performance stability. - Design Standards: The tank's design must adhere to applicable design specifications and standards, such as industry standards. A well-designed tank ensures sufficient strength and safety under normal operating conditions. - Safety Components: Safety components like safety valves, pressure sensors, and temperature sensors play a crucial role in the tank's quality and safety. Choosing high-quality components and ensuring proper installation and tuning can improve the tank's quality and safety. - Inspection and Testing: Tanks must undergo inspections and tests during production, including material inspections, weld inspections, and pressure tests. These checks ensure the tank meets quality requirements and complies with safety standards. - Use and Maintenance: The tank's use and maintenance also impact its quality. Proper use and regular maintenance can extend the tank's lifespan and maintain its optimal working condition. In summary, the quality of carbon dioxide storage tanks is influenced by material quality, manufacturing process, design standards, safety components, inspections and testing, and use and maintenance. When selecting and using tanks, attention should be given to these factors to ensure quality and safety.
Our company attaches great importance to 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 types of 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 we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been included in multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong Provincial key projects, and Heze City innovation and excellence 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 (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!