Custom Dewar cylinder

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Huzhou Baihui Cryogenic Equipment Co., Ltd

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Since its establishment, our company has been focusing on the design, production, sales and service of the various cryogenic liquid pumps in the industrial gases and gas industry. The company has strong technical and advanced production equipment. It has a group of senior designers and excellent employees specializing in the design and manufacture of gas and gas equipment.Now the company is professional China Dewar cylinder Factory and Dewar cylinder company in China. Our Main Products: L-CNG High Pressure Reciprocating Pump、LNG Submersible Pump、Industrial Gas Filling Pump、Cryogenic Centrifugal Pump、Cryogenic Liquid Vaporizer、 LNG/L-CNG Skid Equipment、Vehicle-Mounted High Pressure Liquid Nitrogen Pump Skid (Pump Truck)、Industrial Gases Pressure Regulator Device Systems and other products.

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News

What are the design considerations for cryogenic centrifugal pumps, and how do they affect performance?

Design considerations for cryogenic centrifugal pump involve several key factors that affect their performance. Here are some important considerations: Low-temperature compatibili...

Cryogenic liquid pump installation precautions

1. The pipe diameter of the liquid inlet/return gas pipeline must be ≥ the diameter of the liquid inlet/gas return pipe of the cryogenic liquid pump, and it must have good insulati...

How do cryogenic centrifugal pumps compare to other types of pumps?

Cryogenic centrifugal pumps are specifically designed to handle and transfer cryogenic fluids, which are substances at extremely low temperatures, typically below -150°C (-238°F). ...

What are the safety considerations associated with handling cryogenic fluids in centrifugal pumps, and how are they managed?

Handling cryogenic fluids in centrifugal pumps can pose several safety considerations that must be managed to ensure safe and efficient operation. Cryogenic fluids, such as liquid ...

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The 24th China International Natural Gas Vehicle & Vessel Fueling Station Exhibition

Time:2023.4.27-29 Venue:Beijing. China International Exhibition Center (Shunyi New Hall)

What materials are typically used in cryogenic centrifugal pumps, and why are they chosen?

Cryogenic centrifugal pumps are designed to handle extremely low-temperature fluids such as liquid nitrogen, oxygen, and argon. The materials used in cryogenic centrifugal pumps mu...

What are the applications of cryogenic centrifugal pumps, and why are they important?

Cryogenic centrifugal pumps are pumps specifically designed to handle extremely cold fluids, typically below -150°C. These pumps have several applications in various industries, in...

What is a cryogenic centrifugal pump, and how does it work?

A cryogenic centrifugal pump is a type of pump that is designed to transfer cryogenic fluids, such as liquefied natural gas (LNG) or liquid nitrogen, at extremely low temperatures....

What problems are encountered during the use of liquid dewar cylinder?

Liquid dewar cylinders are commonly used for the storage and transportation of cryogenic liquids such as liquid nitrogen, oxygen, and argon. While they are generally safe and relia...

Why LNG become so important?

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Industry knowledge


What is a dewar cylinder?
A Dewar cylinder, also known as a Dewar flask, is a type of specialized vacuum flask used for storing and transporting cryogenic fluids such as liquid nitrogen, liquid helium, and other liquefied gases. The flask was invented by Sir James Dewar in the late 19th century and is designed to keep the contents at a low temperature for an extended period.
The Dewar cylinder consists of two walls, which are separated by a vacuum. The inner wall is made of a material that can withstand the low temperature of the cryogenic fluid, and the outer wall is made of a material that provides insulation to reduce heat transfer. The vacuum between the two walls reduces heat transfer by conduction or convection, which helps to maintain the low temperature of the cryogenic fluid inside.
The design of the Dewar cylinder also includes a lid or stopper, which can be opened to allow the cryogenic fluid to be removed or added. The lid or stopper is usually made of an insulating material and is designed to prevent heat from entering the flask and warming up the contents.
Dewar cylinders are widely used in research laboratories, hospitals, and industrial settings where cryogenic fluids are needed. They are also used for transportation of cryogenic gases and are a crucial component in many scientific and medical applications.
What are the advantages of dewar cylinder?
A Dewar cylinder, also known as a Dewar flask or vacuum flask, is a specialized container designed to store and transport cryogenic materials at extremely low temperatures. Here are some advantages of using a Dewar cylinder:
High thermal insulation: Dewar cylinders are designed to provide excellent thermal insulation to the contents within, which helps to minimize heat transfer and maintain the temperature of the cryogenic materials. This makes them ideal for storing and transporting materials such as liquid nitrogen, oxygen, and helium.
Safe storage: Dewar cylinders are made of high-quality materials that are resistant to extreme temperatures and pressure, which makes them safe for storing cryogenic materials. They are also designed with safety features such as pressure relief valves and venting systems to prevent overpressure and potential accidents.
Durability: Dewar cylinders are made of strong and durable materials such as stainless steel, aluminum, and glass that are resistant to corrosion and wear. This ensures that the container can withstand the harsh conditions associated with cryogenic storage and transportation.
Portable: Dewar cylinders come in various sizes and shapes, which makes them easy to transport and handle. They can be carried by hand or transported on specialized carts and trucks.
Cost-effective: Dewar cylinders are a cost-effective solution for storing and transporting cryogenic materials compared to other methods such as cryogenic tanks. They are also reusable, which reduces the cost of purchasing new containers for every use.
Overall, Dewar cylinders offer several advantages for storing and transporting cryogenic materials, including high thermal insulation, safe storage, durability, portability, and cost-effectiveness.