Cryogenic Liquid Tank

Shenger Gas, as a leading enterprise in China's cryogenic technology field, is committed to providing global industries with large-scale, high-purity gas production core equipment. Cryogenic air separation technology, known as the "lung of industry", efficiently separates high-purity oxygen, nitrogen and argon at extremely low temperatures of -196°C by deep freezing and distillation of air. We provide full-industry chain solutions from large-scale air separation devices to critical storage and distribution systems (such as cryogenic liquid tank), and are your trusted general contractor for large-scale gas projects.

Technical Principles

The raw material air passes through the filter dust removal, compressor compression, pre-cooling and purification system to remove moisture, CO₂ and hydrocarbons, and enters the core "cold box". In the main heat exchanger, the heat exchange between the air and the refluxed cold gas is cooled to close to the liquefaction temperature and then enters the distillation column system. Using the different boiling points of each component in the air (such as O₂: -183°C, N₂: -196°C), multiple partial condensation and evaporation are performed in the tower, and finally high-purity nitrogen is obtained on the top of the tower, high-purity oxygen is obtained in the tower kettle, and high-purity argon is produced by-product. The separated liquid products can be stored in cryogenic liquid tank for storage and distribution.

Product Performance and Specifications

Shenger Gas air separation plants can be fully customized in design and manufacturing according to customer requirements.

Typical Gas Product Specifications

General technical parameters

• Operating temperature range: Core cold box operating temperature is as low as -196°C
• Energy consumption index: Energy consumption per unit of oxygen ≤ 0.4 ~ 0.5 kWh/Nm³ O₂ (Industry advanced level)
• Start-up time: 48 - 72 hours (from start-up to output qualified products)
• Control method: Fully automatic DCS/SIS control system, which can realize remote monitoring and unattended control.

Industry applications

Shenger Gas large cryogenic air separation equipment is an indispensable core equipment for the basic industry:

• Metallurgical Industry: Blast furnace oxygen-rich blowing in steel smelting, top-bottom reblowing of converter, molten metal protection, and redox process of non-ferrous metal smelting.
• Chemical and Coal Chemical: Preparation of raw gas from large-scale synthetic ammonia and methanol devices, gasification and oxidation processes in the process of coal-to-oil and coal-to-gas.
• Petroleum refining: Oxygen-rich reactions in processes such as catalytic cracking of heavy oil and hydrocracking of residual oil to improve yield and efficiency.
• Electronics industry: Provides ultra-high purity nitrogen protective atmosphere for semiconductor and photovoltaic fiber prefabricated rod manufacturing.
• Aerospace: Provides rocket fuel combustion aids and high-purity gases for testing platforms.

Complete solution

We know that a successful set of air separation projects is far more than one host. Shenger Gas offers a "one-stop" turnkey project:

• Project consultation and planning: Feasibility analysis and overall solution design based on your needs.
• Core equipment supply: Cryogenic air separation host, air compressor, purification system, cryogenic liquid tank and supercharged vaporization system.
• General Engineering Contract (EPC): covers the overall construction of civil engineering, installation, pipeline, electrical and automation systems.
• Operation and training: The expert team debugged the driving on-site and provided comprehensive operation and maintenance training.
• Long-term service support: Provides full-life cycle services such as spare parts, remote diagnosis, regular maintenance and performance optimization.

Zhejiang Shenger Gas Equipment Mlanufacturing Co., Ltd. was established in 2010, which is specialized in manufacturing PSA Oxygen Plant, PSA Nitrogen plant, Cryogenic air separation equipment, VPSA oxygen plant etc. The factory covers an area of 16,000 square meters, with a construction area of 10,000 square meters and an annual outputvalue of more than 80 milion yuan. lt is located in beautiful Hangzhou City, and is a private technology enterprise inZhejiang Province.

 

 

 

The produce of distillation column

The frame of cold box

the plate rolling in factory

 

 

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