Shandong Zhongjie Special Equipment Co., Ltd. (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic 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: boiler, 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 staff, including 247 engineers and technicians and 82 middle-level technicians. It was recognized as a "High-Tech Enterprise" by the Science and Technology Department in December 2016, named a "Specialized, Focused, and New Enterprise of Shandong Province" by the Department of Industry and Information Technology in June 2021, identified as a "Gazelle Enterprise of Shandong Province" in June 2022, and recognized as a "Specialized, Focused, and New Small Giant Enterprise" by the Ministry of Industry and Information Technology in August 2022.
Common defects in carbon dioxide storage tanks during use may include deformation. Here are some reasons that could lead to tank deformation: Overpressure: When the internal pressure of the tank exceeds its design pressure, it may cause deformation. This could be due to operational errors, system failures, or other causes. Temperature Changes: Carbon dioxide storage tanks expand and contract with temperature changes, and if the temperature changes are too great or too rapid, it may lead to tank deformation. Internal Corrosion: If there is internal corrosion in the tank, it can damage the structural integrity of the tank, causing deformation. External Damage: External impacts, compressions, or other physical damages can cause tank deformation. Incorrect Installation or Use: Incorrect installation or usage methods can lead to uneven stress on the tank, resulting in deformation. Tank deformation can reduce the structural integrity of the tank and even pose risks of leakage or rupture. Therefore, it is important to regularly inspect and maintain the integrity of the tank, as well as to follow proper operational and installation procedures. If tank deformation or other defects are detected, the tank should be immediately stopped from use and professional assistance should be sought for inspection and repair. Do not attempt to repair or continue using a defective tank to ensure operational safety.

For the maintenance and care of low-temperature liquid storage tanks, here are some tips and precautions: - Regular Inspections: Conduct regular checks on the tank's exterior, internal lining, valves, and pipe connections. Pay attention to signs of corrosion, cracks, or oil leaks. - Cleaning and Draining: Regularly clean the interior of the tank to remove accumulated impurities and sediments. Also, periodically drain the tank to remove liquid and gas contaminants. - Corrosion Protection: The exterior and inner lining of low-temperature liquid storage tanks should be treated with corrosion protection. Regularly inspect and maintain the protective layer or coating to ensure its integrity and effectiveness. - Temperature and Pressure Control: Maintain the tank's temperature and pressure within the design limits. Avoid extremes that could damage the tank. - Safety Equipment Inspection: Check the tank's safety equipment, such as safety valves, pressure sensors, and temperature sensors, to ensure they are functioning properly. Verify that their set parameters meet requirements. - Level Measurement System Maintenance: Regularly inspect and calibrate the level measurement system to ensure accuracy and reliability. Clean or replace level sensors as needed. - Fire Protection Measures: Fire protection is crucial for low-temperature liquid storage tanks. Ensure that fire protection equipment around the tank is in good condition and conduct regular fire drills. - Regular Assessments and Monitoring: Regularly assess and monitor the tank, including structural integrity, corrosion, and safety. Take appropriate maintenance and repair actions based on assessment results. - Operator Training: Operators should receive training on the characteristics, operational requirements, and safety measures of low-temperature liquid storage tanks. Training should include safe operation, leak handling, and emergency procedures.

In the event of a CO2 cylinder leak, immediate action should be taken as follows: Ensure personnel safety: First, ensure that people evacuate the leak area quickly and move away from potential hazards. If necessary, use appropriate personal protective equipment, such as respirators and protective suits. Cut off the gas source: As soon as possible, shut off the CO2 supply source to stop further leakage. Close related valves or switches, or disconnect from the cylinder. Prevent ignition sources: Ensure there are no open flames or other potential heat sources that could cause a fire in the leak area. If there is a fire risk, take appropriate fire-fighting measures immediately. Ventilation: Activate ventilation equipment to increase air circulation, which helps dilute and expel the leaked CO2 gas. Ensure that the ventilation equipment is operating properly and that the ventilation system does not introduce CO2 gas into other areas. Seal the leak point: If possible, attempt to seal the leak point using suitable materials or methods to reduce or stop the leakage. This may require assistance from personnel. Notify relevant departments: Promptly inform emergency, environmental protection, or other relevant agencies of the leak situation and act according to their instructions. Please note that handling CO2 cylinder leaks is a dangerous task and should only be performed by trained and experienced personnel. Always follow relevant safety operating procedures and guidelines during the process.

Key measures to ensure the quality of CO2 storage tanks include the following aspects: - 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 the appropriate supplier. - 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 inspections to ensure the tanks meet quality requirements. - Compliance with standards and regulations: The design, manufacturing, and installation of the tanks should comply with relevant standards and regulations, such as industry standards and specifications. These include the structural design of the tank, material selection, welding processes, corrosion protection measures, and the configuration of safety valves and pressure sensors. - Regular inspections and maintenance: Tanks require regular inspections and maintenance during use to ensure safety and reliability. This involves checking the tank's appearance, seals, valves, and pipeline connections, conducting regular pressure tests and leak detection, and promptly addressing any anomalies. - 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. - Third-party testing and certification: Entrust third-party institutions to conduct testing and certification of the tanks to verify their quality and compliance. Third-party testing and certification bodies are typically independent and objective, providing impartial assessment and certification results. - Through the implementation of these measures, the quality of CO2 storage tanks can be effectively ensured, enhancing their safety and reliability.
Our company highly values technological innovation and R&D design. We possess 1 municipal-level enterprise technology center in Heze City, and have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We are equipped with over 600 pieces of 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 welding of temperature and pressure vessels, emission reduction of biomass boilers, and waste heat utilization, have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, key projects in Shandong Province, and Heze City innovation and excellence projects. We have accumulated a total of 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Yajiang Li of Shandong University, has jointly developed deep cryogenic container processing technology, utilizing the internationally recognized plasma arc + filler wire tungsten inert gas arc combination welding (PAW-GTAW) technology. After provincial-level scientific and technological achievement identification, the technology level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, let's create brilliance together!