Shandong Zhongjie Special Equipment's main products include: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat boilers, and other boiler products; vacuum insulation deep-freeze pressure vessels such as LNG storage tanks, oxygen/nitrogen/argon storage tanks, and CO2 storage tanks; pressure vessel products like denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment; central air conditioning and HVAC equipment such as ground (water) source heat pumps, air source units, water-cooled screw units, and air-cooled modular units. Planned products include large-scale energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
Carbon dioxide synthesis is a chemical reaction that utilizes carbon dioxide to create various compounds. This process has several applications: - Fertilizer production: It is a crucial raw material for manufacturing fertilizers, and carbon dioxide synthesis represents a sustainable production method. By reacting with other substances, carbon dioxide can be synthesized into compounds used in the production of nitrogen fertilizers, such as urea. This approach reduces dependence on fossil fuels used in traditional production methods and decreases greenhouse gas emissions. - Energy storage: Carbon dioxide synthesis can also serve as a form of energy storage. By reacting carbon dioxide and other substances, energy can be stored in the form of chemical bonds. When energy is needed, the stored energy can be released by reversing the reaction, producing carbon dioxide and other substances. - Fuel cells: It can act as a clean fuel for fuel cells. By synthesizing carbon dioxide with other substances and then using it in fuel cells, electricity can be generated, with water and nitrogen as the only byproducts, thereby reducing environmental pollution. - Chemical synthesis: It is an essential raw material for the synthesis of many chemicals. Carbon dioxide synthesis can provide a sustainable supply for the chemical industry, used to synthesize other chemicals, such as etc. The development of carbon dioxide synthesis technology aims to reduce dependence on fossil fuels used in traditional production methods, lower greenhouse gas emissions, and promote the development of sustainable energy and the chemical industry. However, this technology is still in continuous development and research, requiring further technological breakthroughs and practical validation to achieve large-scale application.

The testing and maintenance of liquid oxygen storage tanks are crucial for ensuring safe operation and extending their service life. Below is a general outline of the testing and maintenance procedures for liquid oxygen storage tanks: - Visual Inspection: Regularly inspect the exterior of the liquid oxygen storage tank for signs of corrosion, wear, and cracks. If any abnormalities are found, repair or replacement should be done promptly. - Internal Cleaning: Regularly clean the interior of the liquid oxygen storage tank to remove accumulated impurities and dirt. Pay attention to using appropriate cleaning agents and tools to avoid damaging the tank. - Level Measurement: Regularly measure the level of liquid oxygen within the tank to ensure it remains within a safe range. Use a level gauge or other measuring equipment and record the results. - Pressure Testing: Regularly conduct pressure tests to verify the tank's pressure resistance. Control the pressure and time during testing to ensure safety and accuracy. - Leak Detection: Regularly perform leak detection to ensure the tank's sealing integrity. Use leak detection instruments such as gas detectors or foam leak detection agents. - Valve and Pipeline Inspection: Regularly check the valves and pipeline connections of the liquid oxygen storage tank to ensure they are sealed properly and there are no leaks. If issues are found, repair or replacement should be done promptly. - Maintenance Records: Keep records of the testing and maintenance activities, including dates, inspection items, and results. These records help track the tank's maintenance history and issue resolution. - Scheduled Maintenance: Develop a regular maintenance plan based on the tank's usage and requirements. This includes lubrication, bolt tightening, and replacement of seals to ensure normal operation.

When selecting a CO2 storage tank support, consider the following factors: Load Capacity: The design and selection of the support should be able to bear the weight and pressure of the tank. The load-bearing capacity of the support should be determined based on the tank's dimensions, weight, and working conditions. Stability: The support should have sufficient stability to prevent the tank from tilting or collapsing during use. The design should take into account the center of gravity of the tank and changes in it to provide stable support. Corrosion Resistance: Due to the corrosive nature of CO2, the material choice for the support should have good corrosion resistance to prevent corrosion and damage. Ease of Installation and Maintenance: The design of the support should consider ease of installation and maintenance to facilitate the installation, adjustment, and maintenance of the tank. Compliance with Standards and Regulations: The design and selection of the support should comply with relevant standards and specifications, such as Standard GB150 "Steel Pressure Vessels." Additionally, other related factors can be considered, such as cost, reliability, and durability. When selecting a support, consult engineers or consulting companies for advice and guidance.

Dry ice is a frozen agent produced by directly converting carbon dioxide gas into a solid under high pressure. It has several applications:  For freezing food and pharmaceuticals: Dry ice is widely used in the transportation and storage of food and pharmaceuticals. Due to its low temperature and rapid cooling speed, it can effectively maintain the freshness and quality of food and medicines.  In special effects and stage performances: Dry ice is extensively used in special effects and stage performances. When it comes into contact with heat in the environment, it rapidly turns into a gas, producing a large amount of white smoke effect, creating a mysterious and dramatic atmosphere.  For cleaning and disinfection: Dry ice can also be used for cleaning and disinfection. When it comes into contact with surfaces, the combination of reduced temperature and physical impact from the sublimation process can effectively remove dirt, bacteria, and viruses without leaving residues.  In laboratories and scientific research: Dry ice is also applied in laboratories and scientific research. It can be used to freeze samples, create low-temperature experimental environments, and manufacture cold traps and condensers, etc.  It should be noted that safety must be observed when using dry ice. Avoid direct contact with skin and eyes, and do not use it in enclosed spaces to prevent the accumulation of carbon dioxide, which can lead to oxygen deficiency.
Our company places great emphasis on technological innovation and R&D design. We have one municipal-level enterprise technology center in Heze City, equipped with non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and other testing facilities. 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, etc. The key products and technologies we have developed, such as welding for temperature and pressure vessels, biomass boiler emissions reduction, 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 models, 16 authorized inventions, 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 developed deep cryogenic container processing technology, which adopts the internationally recognized plasma arc + wire filling argon arc welding (PAW-GTAW) technology. After the provincial-level scientific and technological achievement identification, the technical level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!