Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological 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: boilers, deep-freezing containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory areas on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total of 200,000 square meters, with the main workshop area being 83,000 square meters. It currently employs 710 people, including 247 engineers and technicians and 82 intermediate-level technicians. In December 2016, it was recognized as a "High-tech Enterprise" by the Science and Technology Department. In June 2021, it was identified as a "Specialized and New Enterprise in Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
Liquid oxygen storage tanks are high-pressure, highly oxidizing equipment that require special attention to safety during use. Here are some safety precautions for liquid oxygen storage tanks: Operation: The operation of liquid oxygen storage tanks should be carried out by trained and experienced personnel. Operators should be familiar with the tank's structure, performance, and operational procedures, and should operate strictly according to the operation manual and safety regulations. Fire Prevention Measures: Liquid oxygen is highly oxidizing and can easily cause fires and explosions. Open flames and sources of sparks and high temperatures should be prohibited in the vicinity of the liquid oxygen storage tank. Fire protection facilities and fire extinguishing equipment should be established, and regular inspections and maintenance should be conducted. Leakage Control: In the event of a leakage in a liquid oxygen storage tank, immediate measures should be taken to control the leakage. Leaks can lead to the evaporation of liquid oxygen and an increase in oxygen concentration, which can raise the risk of fire and explosion. A leak detection system should be established, and leakage control devices and personal protective equipment should be provided. Insulation Protection: Liquid oxygen storage tanks should have good insulation protection to reduce the evaporation of liquid oxygen and maintain a low temperature state. The insulation layer should be inspected and maintained regularly to ensure its integrity and insulating properties. Safety Distance: A certain safety distance should be maintained around the liquid oxygen storage tank to prevent the spread of fires, explosions, and leaks. The specific requirements for safety distances should be evaluated and determined based on local regulations and standards. Regular Inspections and Maintenance: Liquid oxygen storage tanks should be regularly inspected and maintained, including checking the structural integrity of the tank, valves, and pipelines for tightness.

The temperature difference between the interior and exterior of a low-temperature liquid storage tank depends on various factors, including the tank's design, insulation performance, the temperature of the liquid, and the temperature of the external environment. Generally speaking, the temperature inside a low-temperature liquid storage tank is much lower than that of the external environment.
Low-temperature liquid storage tanks are commonly used for storing liquefied nitrogen, oxygen, argon, and other low-temperature liquids. These liquids have very low boiling points, usually below -100 degrees Celsius. To maintain the low temperature of the liquids, the tank must have excellent insulation properties to minimize heat transfer and evaporation loss.
Low-temperature liquid storage tanks typically provide a smaller temperature variance. Generally, the internal temperature of the tank can be maintained near the boiling point of the liquid, usually several degrees cooler than the external environment. The specific temperature variance depends on the tank's design, insulation properties, and the characteristics of the liquid.
Note that the temperature differences in low-temperature liquid storage tanks may change over time. As time passes, the insulating material's performance may be affected by wear or aging, leading to an increase in temperature differences. Therefore, it's important to regularly inspect and maintain the tank's insulation to ensure its effective and stable insulating performance.

A liquid oxygen tank is a device used for storing liquid oxygen. Liquid oxygen is the liquid form obtained by cooling oxygen below its boiling point and is commonly used in fields such as medical, industrial production, and equipment. Liquid oxygen tanks are typically made of high-strength materials like stainless steel to ensure they can withstand the low temperatures and high pressures of liquid oxygen. The interior of the tank usually has an insulating layer to minimize evaporation of the liquid oxygen and maintain its低温 state. The design and manufacturing of liquid oxygen tanks must consider safety and reliability to prevent leaks and explosions. When using liquid oxygen tanks, strict operational procedures and safety standards must be followed to ensure the safety of personnel and equipment. The development and manufacturing of liquid oxygen tanks are carried out by engineers and technical teams, involving knowledge and technology from various fields such as materials science, mechanical engineering, and chemical engineering. Different manufacturers may use different design and manufacturing methods to meet the needs and application scenarios of different users.

Liquid nitrogen tanks are widely used in meat freezing. Here are several main applications of liquid nitrogen tanks in meat freezing:
Quick Freezing: Liquid nitrogen tanks can provide low temperatures to rapidly freeze meat to the required temperature. Due to the low-temperature characteristics of liquid nitrogen, meat temperatures can be quickly reduced in a short time, effectively preserving the quality and texture of the meat.
Chilled Storage: Liquid nitrogen tanks are suitable for long-term freezing storage of meat products. Placing meat in a liquid nitrogen tank helps maintain low temperatures, preventing the growth of bacteria and microorganisms, thereby extending the shelf life of the meat.
Chilled Transport: Liquid nitrogen tanks are suitable for the frozen transportation of meat products. Placing meat in a liquid nitrogen tank maintains its low temperature, ensuring the quality and freshness of the meat throughout the transportation process.
Chilled Processing: Liquid nitrogen tanks can be used for meat freezing. By exposing meat to liquid nitrogen, the surface can be quickly frozen, forming a frozen layer, thereby preserving the meat's moisture and nutritional content.
Chilled Processing: Liquid nitrogen tanks are suitable for meat freezing processing. Placing meat in liquid nitrogen makes it harder and crispier, facilitating cutting, slicing, and processing.
It's important to note that when using liquid nitrogen tanks for meat freezing, you should adhere to the relevant safety operating procedures and guidelines. Ensure that operators are equipped with the necessary safety awareness and operational skills to prevent accidental incidents. Additionally, consult with food safety experts.
Zhong Jie Special Equipment upholds the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We offer society products and services with high performance and cost-effectiveness!