Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, A2-grade pressure vessel manufacturing license, A2-grade pressure vessel design license, B-grade boiler installation, and GB2/Class, GC2/Class pressure pipeline installation licenses, as well as equipment and machinery installation contracting qualifications. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the理事 member of the Shandong Equipment Manufacturing Association. The company has also passed certifications for the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, and the U.S. ASME/U2 certification.
To extend the service life of CO2 storage tanks, the following measures can be taken: - Regular Inspections and Maintenance: Conduct regular checks on the tank's exterior, inner lining, valves, and pipeline connections to ensure they are intact. Repair or replace any anomalies or damages promptly. - Corrosion Prevention: As CO2 is corrosive, both the interior and exterior of the tank should be treated with corrosion-resistant materials. Regularly inspect and maintain the integrity and effectiveness of the corrosion-resistant layer or coating. - Cleaning and Draining: Regularly clean the interior of the tank to remove accumulated impurities and sediments. Also, periodically drain the liquid and gas impurities from within the tank to maintain cleanliness and normal operation. - Temperature and Pressure Control: Maintain the tank's temperature and pressure within the designed limits to avoid damage from extreme temperatures or pressures. - Regular Testing and Calibration: Conduct regular tests and calibrations of the tank, including measurements of level, pressure, and temperature, to ensure accuracy and reliability of the measuring and control systems. - Adherence to Operating Procedures: Strictly adhere to operating and safety procedures to ensure normal operation and safety of the tank. Train operators to enhance their operational skills and safety awareness. - Updates and Upgrades: Update and upgrade tank components and equipment as needed to adapt to new technologies and safety requirements. - Regular Assessments and Monitoring: Regularly assess and monitor the tank, including structural integrity, corrosion, and safety aspects. Take appropriate maintenance and repair measures based on assessment results. These measures can help extend the service life of CO2 storage tanks and ensure their safe and reliable operation.

Carbon dioxide tank level gauges are devices used for measuring and monitoring the liquid level of CO2 within the tank. Depending on different working principles and application requirements, common types of CO2 tank level gauges include the following: - Buoy Level Gauge: Uses a buoy to indicate liquid level highs and lows, measuring the level through a mechanical linkage or electrical signal sensor connected to the gauge. - Pressure Level Gauge: Measures the level by utilizing the relationship between liquid pressure and level. The level height is calculated by measuring the pressure change on the pressure sensor due to the liquid. - Ultrasonic Level Gauge: Utilizes the propagation time of ultrasound to measure the level. An ultrasonic transmitter emits waves, and when the beam encounters the liquid surface, part of it is reflected back. The level height is calculated by measuring the reflection time. - Capillary Level Gauge: Uses the capillary principle to measure the level. By inserting a thin tube into the liquid, the liquid rises within it, and the level height is estimated based on the rise. - Level Gauge: Measures the level using wave reflection. The transmitter emits waves, and when the beam hits the liquid surface, part of it is reflected back. The level height is calculated by measuring the reflection time. These level gauges can be chosen for application in CO2 tanks based on specific needs and tank design. When selecting and installing level gauges, consider factors such as liquid properties, working environment, precision requirements, and ensure they match the tank's safe operation and monitoring system.

Key measures to ensure the quality of CO2 storage tanks include the following aspects: 1. Selecting qualified suppliers: Choose suppliers with a good reputation and experience, ensuring that the tanks they provide meet relevant quality standards and specifications. This can be achieved by assessing the supplier's qualifications, referencing customer reviews, and conducting on-site inspections to select suitable suppliers. 2. Strict quality control: Implement rigorous quality control measures during the manufacturing process of the tanks. This includes selecting and inspecting raw materials, controlling production processes, monitoring process parameters, product testing and inspection, to ensure the tanks meet quality requirements. 3. Compliance with standards and specifications: The design, manufacturing, and installation of the tanks should comply with relevant standards and specifications, such as industry standards and regulations. These include the structural design of the tank, material selection, welding processes, corrosion prevention measures, and the configuration of safety valves and pressure sensors. 4. Regular inspections and maintenance: Tanks should undergo regular inspections and maintenance during use to ensure safety and reliability. This involves checking the tank's appearance, sealing, valves, and pipeline connections, conducting pressure tests and leak detection regularly, and addressing abnormal situations promptly. 5. Establishing a quality management system: Establish a comprehensive quality management system, including quality control processes, documentation, quality training, and internal audits. By establishing a quality management system, tank quality control and continuous improvement can be ensured. 6. Third-party testing and certification: Delegate tank testing and certification to third-party agencies to verify the quality and compliance of the tanks. Third-party testing and certification bodies typically have independence and objectivity, providing objective assessment and certification results. 7. Through the implementation of these measures, the quality of CO2 storage tanks can be effectively ensured, enhancing their safety and reliability.

Key features of carbon dioxide storage tanks primarily include the following aspects: High storage density: Carbon dioxide storage tanks can compress carbon dioxide gas into a liquid state, significantly increasing storage density. Compared to storing in gas form, liquid carbon dioxide can store more carbon dioxide in relatively smaller tanks, saving space and costs. Stable storage and supply: Carbon dioxide storage tanks can stably store and supply carbon dioxide. Through tank design and control systems, precise measurement and supply of carbon dioxide can be achieved, meeting various industrial and application needs. Environmental friendly and renewable: Carbon dioxide is an environmentally friendly gas, and its increased concentration in the atmosphere can lead to warming and climate change. By storing and utilizing carbon dioxide, the amount emitted into the atmosphere can be reduced, achieving environmental protection and sustainable development. Safe and reliable: In the design and manufacturing process, carbon dioxide storage tanks typically use high-strength materials (such as carbon steel or stainless steel) with good pressure resistance and safety. The tanks are usually equipped with safety valves, pressure gauges, level gauges, and other accessories to ensure safe operation. Moreover, carbon dioxide is a non-flammable and non-explosive gas, making it relatively safe. Wide range of applications: Carbon dioxide storage tanks are widely used in various fields, including the food and beverage industry, fire suppression, gas supply, and more. Carbon dioxide can be used as a preservative, carbonation agent for beverages, gas, and fire extinguishing agent, with broad applications and market demand. In summary, the key features of carbon dioxide storage tanks include high storage density, stable storage and supply, environmental friendliness and renewability, safety and reliability, and a wide range of applications. This makes carbon dioxide storage tanks an essential
ZJ Special Equipment adheres to the grand vision of "realizing employee dreams, creating customer value, 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!