Shandong Zhongjie Special Equipment Co., Ltd. (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 vessels, 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 engineering and technical personnel and 82 middle-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 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.
CO2 Cylinder Filling involves injecting liquid CO2 into the cylinder. Here are some precautions to consider during CO2 cylinder filling: - Safe Operation: Adhere to relevant safety protocols when filling CO2 cylinders. Operators should be trained to understand the cylinder's characteristics and safety concerns to ensure safe handling. - Cylinder Capacity Control: Ensure the filling does not exceed the cylinder's rated capacity. Overfilling can lead to excessive pressure and increased safety risks. - Filling Rate Control: Maintain a moderate filling rate to avoid too fast or too slow. Excessive speed can cause high internal pressure, while slow speed may prolong filling time. - 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: Keep the internal pressure in check during filling. Excessive pressure can cause the cylinder to burst or leak, while low pressure may result in incomplete filling. - Level Monitoring: Regularly check the cylinder's level during filling to ensure accurate measurements and prevent overfilling or underfilling. - Pressure Relief Devices: Equip the cylinder with pressure relief devices, such as safety valves, to control internal pressure. The set pressure should meet requirements and be regularly inspected and maintained. - Environmental Protection: Be mindful of environmental protection during filling to prevent CO2 leakage and contamination. Use appropriate protective measures like sealed connections and protective devices. - The above precautions apply to CO2 cylinder filling. Follow safety regulations and standards during filling operations and consult with experts to ensure safety and effectiveness.

Carbon dioxide tank level gauges are devices used for measuring and monitoring the liquid level of CO2 within storage tanks. Common types of CO2 tank level gauges, based on different working principles and application needs, include: - Buoy Level Gauges: Utilize the buoyancy of a float to reflect the level's height, measured by a mechanical device or an electrical signal sensor connected to the float. - Pressure Level Gauges: Measure level by the relationship between liquid pressure and level. The liquid's pressure change on the pressure sensor is used to calculate the level height. - Ultrasonic Level Gauges: Measure level using the propagation time of ultrasound. An ultrasonic transmitter emits waves, and when the beam hits the liquid surface, some of the waves are reflected back, with the reflection time measured to calculate the level height. - Capillary Level Gauges: Employ the capillary principle to measure level. By inserting a thin tube into the liquid, the liquid rises within it, and the level height is calculated based on the liquid's rise. - Level Gauges: Measure level using wave reflection. A transmitter emits waves, and when the beam hits the liquid surface, some of the waves are reflected back, with the reflection time measured to calculate the level height. The application of these level gauges in CO2 tanks can be selected based on specific requirements 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.

Detailed parameters for carbon dioxide storage tanks can vary based on specific design and operational requirements. Here are some common parameters for carbon dioxide storage tanks: - Capacity: The capacity of carbon dioxide storage tanks can vary according to demand, with common ranges from a few thousand to tens of thousands of liters. - Pressure: The design working pressure of carbon dioxide storage tanks typically falls between 15-25 MPa (megapascals), with the specific pressure depending on the application scenario and requirements. - Material: Carbon dioxide storage tanks are usually made of high-strength materials such as carbon steel or stainless steel. The choice of material depends on the storage environment and requirements. - Dimensions: The external dimensions of carbon dioxide storage tanks also vary based on capacity and design. Common shapes include cylindrical, spherical, or cuboidal. - Level Control: Carbon dioxide storage tanks are often equipped with level control systems to monitor and control the liquid level of carbon dioxide. Level control systems typically include level sensors and control valves. - Pressure Control: Internal pressure control systems are usually installed in carbon dioxide storage tanks to monitor and control the gas pressure within. Pressure control systems typically include pressure sensors and safety valves. It should be noted that specific parameters for carbon dioxide storage tanks can differ based on the manufacturer, application scenario, and standards. When selecting and using carbon dioxide storage tanks, it is important to follow relevant safety operation procedures and guidelines, and consult with experts to obtain accurate parameter information.

Here are some common protection techniques for carbon dioxide storage tanks: Fire and Explosion Prevention Measures: A fire-resistant buffer zone should be set up around the tank, away from fire sources and flammable materials. The tank itself should adopt fire and explosion prevention measures, such as fire-resistant coatings and explosion-proof devices, to prevent fires and explosions. Leak Detection and Alarm Systems: The tank should be equipped with leak detection and alarm systems to promptly detect and alert of any tank leaks. Regularly inspect and maintain the leak detection equipment to ensure proper functioning. Regular Inspections and Maintenance: Regularly check the tank's exterior, valves, and fittings to ensure they are intact. Conduct regular leak detection and pressure tests to ensure the tank's safety performance meets requirements. Waste Gas Treatment: Treat the waste gases produced by the carbon dioxide storage tank to prevent environmental pollution. Implement appropriate waste gas treatment measures, such as collecting and treating waste gases. Static Electricity Protection: Adopt static electricity protection measures to prevent static accumulation and discharge. Use anti-static equipment and tools to ensure static safety during operations. Safety Training and Awareness: Conduct safety training for operators to enhance their awareness and ability to safely handle carbon dioxide storage tanks. Regularly conduct safety training and drills to respond to emergencies. Management Records and Documentation: Establish comprehensive management records and documentation, including the tank's usage, inspection, and maintenance records. Regularly review and update management records to ensure safe management and maintenance of the tank. It should be noted that the above are common protection techniques, and specific techniques may vary depending on the type and application of the tank. When using carbon dioxide storage tanks, operations should be conducted according to relevant specifications and standards, and consultation with experts is recommended to ensure safety and effectiveness.
Our company attaches great importance to technological innovation and research and development. 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 we have developed, such as welding for temperature and pressure vessels, emissions reduction for biomass boilers, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology projects, key projects in Shandong Province, and Heze City innovation and excellence projects. We have cumulatively obtained 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industrial standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic vessel processing technology using the international plasma arc + filler wire tungsten inert gas (PAW-GTAW) welding technology. This technology has been appraised as reaching international standards in the field of deep cryogenic vessel manufacturing at the provincial level. Choose Zhongjie Special Equipment, and let's create brilliance together!