gas transfer compressor for LPG loading and unloading

gas transfer compressors are mainly used for unloading, loading, dumping, residual gas recovery and residual liquid recovery of liquefied gas and other process gases. These compressors are often used in a variety of gas transfer systems to ensure the efficient and stable transfer of gas from one vessel to another.

The gas transfer compressor is widely used in chemical, petrochemical, refrigeration, and natural gas industries. It is a key piece of equipment for the loading and unloading operations of various gases such as liquefied gas, ammonia, Freon, propylene, and more.

Technical Parameters of Gas Transfer Compressor

Compressed gas: Liquefied gas
Flow rate: 4 m³/min
Inlet pressure: 0.1 to 0.6 MPa
Discharge pressure: 0.6 to 1.2 MPa

Characteristics of Gas Transfer Compressor

Overall assembly structure: Mainframe and auxiliary equipment are installed in a compact skid, with an integrated design that requires no additional ancillary equipment, saving space and reducing investment costs.
High efficiency and energy saving: Advanced compression technology and energy-saving design reduce energy consumption while providing excellent operating efficiency.
Stable and reliable: Strict quality control ensures smooth operation and high reliability in various working environments.
Easy to maintain: Simple system structure makes routine maintenance and overhauls convenient, reducing downtime and lowering maintenance costs.
Long life: The lubrication system (pressure or splash type) is designed to ensure long service life for all wearing parts, improving overall reliability and durability.

Working Principle of Gas Transfer Compressor

The compressor uses mechanical energy to compress gas to the required pressure level. The process includes:

1. Suction stage: Low-pressure gas enters the compressor through the inlet.
2. Compression stage: The gas is compressed by pistons or rotors, decreasing its volume and increasing its pressure.
3. Exhaust stage: The compressed, high-pressure gas is discharged through the exhaust port and transported to the next stage or storage container.
Continuous and smooth operation under high loads is ensured by controlling key components such as inlet and discharge valves, lubrication, and cooling systems.

Application Areas of Gas Transfer Compressor

Chemical industry: For gas transportation and recovery (ammonia, Freon, ethane, etc.) used in loading, unloading, storage, and distribution.
Oil and gas: For gas pressurization and transportation in oil refining and natural gas processes.
Refrigeration industry: Used in large-scale cold storage and air-conditioning refrigeration systems for refrigerant gas transportation and recovery.
Liquefied gas transportation: For transportation, loading/unloading, and recovery of LPG and other compressible gases.
Industrial gas recycling: Used in process gas and residual liquid recycling systems, ensuring efficient gas utilization and environmental protection.

Structure of Gas Transportation Compressor

Single-bar vertical: Compact, easy to install and maintain, suitable for small to medium gas transport.
Double-bar vertical: For medium loads, provides higher stability and gas handling capacity.
Symmetrical balanced type: For high load and high efficiency gas conveying, ensures equalization and stable operation under high flow conditions.

Types of Gas Transfer Compressor

Fixed type: For long-term, stable gas conveying operations, installed in a fixed position for simple maintenance management.
Mobile type: For frequent relocation needs, assembled on a mobile platform for convenient transfer and rapid deployment.