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 council member of the Shandong Equipment Manufacturing Association. The company has also passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the American ASME/U2 certification.
Carbon dioxide tank level gauges are devices used to measure and monitor the liquid level of carbon dioxide within the tank. Depending on different working principles and application requirements, common types of carbon dioxide tank level gauges include the following: - Buoy Level Gauge: Uses the buoyancy of a float to indicate the liquid level. The level is measured through a mechanical device or electrical signal sensor connected to the float. - Pressure Level Gauge: Measures the liquid level by utilizing the relationship between liquid pressure and level. The level height is calculated by measuring the pressure changes on a pressure sensor caused by the liquid. - Ultrasonic Level Gauge: Measures the liquid level using the propagation time of ultrasound. An ultrasonic transmitter emits waves, and when the beam encounters the liquid surface, some of the beam is reflected back. The liquid level height is calculated by measuring the reflection time. - Capillary Level Gauge: Utilizes the capillary principle to measure the liquid level. By inserting a thin tube into the liquid, the liquid rises inside the tube, and the level height is calculated based on the rise. - Level Gauge: Measures the liquid level using wave reflection. The transmitter emits waves, and when the beam encounters the liquid surface, some of the beam is reflected back. The liquid level height is calculated by measuring the reflection time. These level gauges can be chosen for application in carbon dioxide tanks based on specific requirements and tank design. When selecting and installing level gauges, factors such as liquid properties, working environment, and precision requirements should be considered, and they must be ensured to match the tank's safe operation and monitoring system.

The spacing regulations for carbon dioxide storage tanks are typically governed by relevant safety codes and standards, with specific spacing requirements potentially varying due to factors such as location, use, and tank capacity. Here are some common spacing rules: - Small spacing between tanks: Generally, the small spacing between adjacent tanks should comply with the requirements of relevant safety codes and standards. This spacing ensures that neighboring tanks are not affected in the event of a leak or accident. - Spacing between tanks and buildings: The spacing between tanks and buildings must also meet the requirements of relevant codes and standards. This spacing ensures that buildings are not affected in the event of a tank leak or accident. - Spacing between tanks and equipment: The spacing between tanks and other equipment (such as pipes, pumps, etc.) must also comply with relevant codes and standards. This spacing ensures the proper operation and maintenance of equipment. - Safety and evacuation routes: Adequate safety and evacuation routes should be provided around the tanks for safe evacuation of personnel during emergencies. It is important to note that specific spacing rules may vary by region and industry. Therefore, when installing and using carbon dioxide storage tanks, local safety codes and standards should be referenced, and experts should be consulted to ensure compliance with requirements.

Common drawbacks of corrosion in pressure vessels during use include: - Chemical media: Certain chemical media are corrosive, such as acids, bases, and salts. When these media come into contact with the vessel material, corrosion may occur. - Humidity and moisture: High humidity environments or long-term exposure to moisture can lead to corrosion on the vessel surface. Particularly in the presence of oxygen, the corrosion rate may increase. - Rusting: When the protective layer on the vessel surface (such as coatings or plating) is damaged or destroyed, the vessel may suffer from rusting. Rusting can damage the vessel's surface and may lead to further corrosion. - Electrochemical corrosion: When different metals or metals and non-metals come into contact, an electrochemical corrosion battery may form. This type of corrosion can lead to localized corrosion on the vessel surface. - Welding defects: Defects like weld porosity and cracks may be introduced during the welding process. These defects can become starting points for corrosion. Corrosion weakens the structural strength of the vessel, increasing the risk of leakage or rupture. Therefore, regular inspection and maintenance of the corrosion-resistant layer, coating, or plating on pressure vessels are important. If corrosion issues are found, timely measures should be taken to repair or replace the damaged parts. Additionally, selecting appropriate materials and corrosion prevention measures, as well as proper operation and maintenance methods, can reduce the risk of corrosion in pressure vessels. Adhering to relevant safety operation procedures and standards ensures the safe operation of pressure vessels.

Carbon dioxide storage tanks possess the following safety technical features: - High-intensity materials: Carbon dioxide tanks are commonly made of high-strength steel or alloy materials to withstand the stress and loads under high pressure and low-temperature environments. - Safety valves and pressure relief devices: Equipped with safety valves and pressure relief devices to control the internal pressure of the tank, preventing overpressure and explosions. The safety valve will automatically open to release pressure when the internal tank pressure exceeds the set value. - Insulation layer: The tank is internally insulated to reduce heat conduction and liquid evaporation. The insulation layer typically features a multi-layer structure, including thermal insulation material and an external protective layer, to maintain a stable internal tank temperature. - Liquid level monitoring and control: The tank is fitted with liquid level monitoring equipment to monitor the liquid level inside. Timely monitoring and control ensure the liquid storage amount within the tank is within a safe range. - Fire and explosion prevention measures: The tank employs fire and explosion prevention measures such as fire-retardant coatings, fire-resistant isolation areas, and explosion-proof devices to prevent fires and explosions. - Leak detection and alarm system: The tank is equipped with a leak detection and alarm system for early detection and alerting of tank leaks. Quick response and handling can reduce the safety risks caused by leaks. - Regular inspections and maintenance: Tanks require regular inspections and maintenance, including visual inspections, valve maintenance, and pressure tests. Regular maintenance ensures the safety performance and reliability of the tank. It should be noted that the specific safety technical features of carbon dioxide storage tanks may vary depending on the tank type and application. When using carbon dioxide storage tanks, one should refer to the relevant regulations and guidelines.
Our company places great emphasis on technological innovation and research and development, boasting 1 city-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. Equipped with 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 welding technology for temperature and pressure vessels, emissions reduction in biomass boilers, and waste heat utilization, have successively been included in multiple Shandong Provincial Department of Industry and Information Technology science and technology projects, key provincial projects, and Heze City innovative and excellent projects. We have accumulated 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industrial standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the internationally recognized plasma arc + wire filling tungsten inert gas arc welding (PAW-GTAW) technique. The provincial-level scientific and technological achievement appraisal has confirmed that our technology level in deep cryogenic container manufacturing has reached an international standard. Choose Zhongjie Special Equipment, let's create brilliance together!