Shandong Zhongjie Special Equipment Co., Ltd. specializes in: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat boilers, and other boiler products; vacuum insulated cryogenic pressure vessels such as LNG storage tanks, oxygen-nitrogenargon storage tanks, CO2 storage tanks, etc.; pressure vessel products including 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 produce compounds. This process has several applications: Fertilizer production: It is an essential raw material for manufacturing fertilizers, and carbon dioxide synthesis represents a sustainable production method. By reacting with carbon dioxide, it can synthesize compounds used in making nitrogen fertilizers, such as urea, reducing reliance on fossil fuels in traditional production methods and lowering greenhouse gas emissions. Energy storage: Carbon dioxide synthesis can also serve as a form of energy storage. By reacting carbon dioxide to form compounds, energy can be stored in chemical bonds. When energy is needed, the reverse reaction can decompose the compounds back into carbon dioxide and, releasing the stored energy. Fuel cells: It can be used as a clean fuel for fuel cells. By synthesizing carbon dioxide with compounds and then using them in fuel cells, electricity can be generated, with water and nitrogen as the only byproducts, reducing environmental pollution. Chemical synthesis: It is an important raw material for many chemical syntheses. Carbon dioxide synthesis can provide a sustainable supply for the chemical industry 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 verification 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: - External Inspection: Regularly inspect the external surface of the liquid oxygen storage tank for corrosion, wear, and cracks. If any anomalies 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. Use appropriate cleaning agents and tools to avoid damaging the tank. - Level Measurement: Regularly measure the level of liquid in the tank to ensure it remains within a safe range. Use level gauges or other measuring devices, and record the results. - Pressure Testing: Regularly conduct pressure tests to verify the tank's pressure resistance. Pay attention to controlling pressure and time during testing to ensure safety and accuracy. - Leak Detection: Regularly perform leak detection to ensure the tank's seal integrity. Use leak detection instruments, such as gas detectors or foam leak detectors. - Valve and Pipeline Inspection: Regularly check the valves and pipeline connections of the liquid oxygen storage tank to ensure proper sealing and no leakage. Repair or replace if any issues are found. - Maintenance Records: Keep records of the testing and maintenance activities, including inspection dates, contents, 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. Maintenance includes lubrication, bolting, and replacing seals to ensure normal operation.

When selecting a carbon dioxide 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 size, weight, and working conditions. Stability: The support should have sufficient stability to prevent the tank from tilting or collapsing during use. The design of the support should take into account the center of gravity position and changes of the tank to provide stable support. Corrosion Resistance: Due to the corrosive nature of carbon dioxide, the material choice of the support should have good corrosion resistance to prevent corrosion and damage. Installation and Maintenance Ease: 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 refrigerant that converts carbon dioxide gas directly into a solid under high pressure. It has several applications: Refrigeration of food and pharmaceuticals: Dry ice is widely used for 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. Special effects and stage performances: Dry ice is also extensively used in special effects and stage performances. When in contact with environmental heat, it quickly turns into gas, producing a large amount of white smoke effect, creating a mysterious and dramatic atmosphere. Cleaning and disinfection: Dry ice can also be used for cleaning and disinfection. Upon contact with surfaces, due to the drop in temperature and the physical impact of the vaporization process, it can effectively remove dirt, bacteria, and viruses without leaving residues. Laboratories and scientific research: Dry ice also finds applications in laboratories and scientific research. It can be used for freezing samples, preparing low-temperature experimental environments, and creating cold traps and condensers, among others. It is important to note that safety should be observed when using dry ice, avoiding direct contact with skin and eyes, and not using it in enclosed spaces to prevent carbon dioxide buildup leading to oxygen deficiency.
Our company attaches great importance to technological innovation and R&D design, boasting one 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., and are equipped with over 600 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 temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat recovery, have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology scientific and technological innovation projects, Shandong Provincial key projects, and Heze City innovative and excellent 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 Li Yajiang of Shandong University, has developed deep cryogenic container processing technology using the internationally recognized plasma arc + filler wire argon arc welding (PAW-GTAW) technique. After being appraised as a provincial-level scientific and technological achievement, our technology has reached international standards in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!