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 cryogenic pressure vessels such as LNG tanks, oxygen-nitrogen-argon tanks, and CO2 tanks; pressure vessel products such as denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment; central air conditioning and ventilation 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.
In daily operation, CO2 storage tanks require protection and maintenance to ensure proper functioning and safety. Here are some common protection and maintenance methods: - Visual Inspection: Regularly check the tank's exterior for corrosion, wear, and cracks. Address any anomalies promptly with repair measures. - Seal Integrity Check: Periodically inspect the tank's sealing performance, particularly at valves, pipe connections, and the tank itself. Ensure no leaks are present and fix any that arise. - Temperature Control: Maintain a suitable environmental temperature around the tank and implement insulation measures to ensure the tank's internal低温 state. - Pressure Relief Device Inspection: Regularly check the tank's pressure relief devices, such as safety valves, to ensure they are functioning correctly. Verify that the set pressure of the relief devices meets requirements and perform regular maintenance and replacements. - Level Monitoring: Regularly monitor the tank's liquid level to ensure accurate measurements. Address any abnormal levels promptly by identifying the cause and taking appropriate actions. - Regular Cleaning: Clean the tank's interior regularly to remove accumulated impurities and dirt. Exercise safety during cleaning and avoid using flammable or corrosive substances. - Regular Testing: Conduct regular pressure tests and leak detections on the tank to ensure its safety performance meets requirements. The frequency and methods of testing should comply with relevant regulations and standards. - Storage Capacity Control: Control the tank's storage capacity to prevent exceeding the rated capacity. Overfilling can lead to excessive pressure, increasing safety risks. - Note: Specific protection and maintenance methods may vary depending on the type of tank and its application.

Carbon dioxide storage tanks are equipment used for storing and supplying carbon dioxide gas, with the following parameters, functions, and features: Parameters: - Capacity: The capacity of carbon dioxide storage tanks can be customized to meet demand, typically expressed in volume of liquid carbon dioxide, such as kiloliters or cubic meters. - Pressure: The internal pressure of the tank is usually controlled within a safe range to ensure the safety of storage and supply. - Temperature: Carbon dioxide storage tanks generally need to be maintained at low temperatures to maintain the liquid state of carbon dioxide. Functions: - Storage: Carbon dioxide storage tanks can compress carbon dioxide gas into a liquid state, achieving high-density storage and saving space and costs. - Supply: Carbon dioxide within the tank can be supplied to required fields through pipelines or other methods, such as the food and beverage industry, various sectors, fire extinguishing, etc. Features: - Eco-friendly and Renewable: Carbon dioxide is an environmentally friendly gas. By storing and utilizing carbon dioxide, its排放 into the atmosphere can be reduced, achieving environmental protection and sustainable development. - Safe and Reliable: During design and manufacturing, carbon dioxide storage tanks usually employ high-strength materials with excellent pressure resistance and safety. The tank is equipped with safety valves, pressure gauges, and other accessories to ensure safe operation. - Multiple Applications: Carbon dioxide storage tanks are widely used in the food and beverage industry, various sectors, fire extinguishing, and other fields. Carbon dioxide can be used as a food preservative, beverage effervescent agent, gas, fire extinguishing agent, etc., with a broad range of applications and market demand. In summary, carbon dioxide storage tanks have the characteristics of high-density storage, safety and reliability, eco-friendliness and renewability, and multiple application fields, making them an important equipment for storing and supplying carbon dioxide gas.

Carbon dioxide level gauges are devices used to measure and monitor the liquid level of carbon dioxide within storage tanks. Common types of carbon dioxide level gauges, based on different working principles and application needs, include the following: - Buoy Level Gauge: Utilizes a buoy to reflect the height of the liquid level, measuring it through a mechanical device or an electrical signal sensor connected to the gauge. - Pressure Level Gauge: Measures the liquid level by leveraging the relationship between liquid pressure and level. It calculates the level height by measuring the pressure changes on a pressure sensor. - Ultrasonic Level Gauge: Measures the liquid level by using the propagation time of ultrasonic waves. The ultrasonic transmitter emits waves, and when the beam encounters the liquid surface, some of it is reflected back. The liquid level height is then 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 it. The level height is then calculated based on the height of the liquid rise. - Level Gauge: Measures the liquid level using wave reflection. The transmitter emits waves, and when the beam hits the liquid surface, part of it is reflected back. The liquid level height is calculated by measuring the reflection time. The application of these level gauges in carbon dioxide storage tanks can be selected based on specific requirements and tank design. When selecting and installing level gauges, consider factors such as the liquid properties, working environment, and precision requirements, ensuring they are compatible with the tank's safe operation and monitoring system.

Carbon dioxide (CO2) and liquid oxygen (LOX) storage tanks are equipment used for storing different gases, with some physical distinctions: - Physical State: CO2 is a gas at room temperature and requires low temperatures and high pressures to become liquid. LOX is a liquid at room temperature and can remain in liquid form without special conditions. - Storage Temperature: The liquid storage temperature of CO2 typically ranges from -40°C to -78.5°C, while that of LOX is usually between -183°C and -183.15°C. The storage temperature of LOX is lower, requiring more stringent insulation measures. - Storage Pressure: The liquid storage pressure of CO2 is generally between 5-20 MPa, whereas for LOX, it is typically between 0.2-2 MPa. The storage pressure of LOX is lower. - Density: The density of liquid CO2 is approximately 0.8 g/cm³, while that of liquid oxygen is about 1.14 g/cm³. The density of liquid oxygen is greater. - Safety: LOX has a high oxygen content, making it highly flammable and oxidizing, necessitating stricter safety measures. CO2 is relatively safe but can still pose health risks at high concentrations.
Our company attaches great importance to technological innovation and R&D design, boasting one municipal-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and more. We 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 others. The key products and technologies we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology innovation projects, Shandong Provincial key projects, and Heze City innovation and excellence projects. We have cumulatively obtained 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yajiang Li of Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire argon arc welding (PAW-GTAW) technology, which has been appraised as reaching an international level in deep cryogenic container manufacturing after provincial-level scientific and technological achievement evaluation. Choose Zhongjietech, and let's create brilliance together!