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In the operation of the refrigeration system, the liquid reservoir is installed in the evaporator and the suction tube of the compressor, which can effectively prevent the liquid refrigerant from flowing into the compressor. If the refrigerant from the evaporator is not completely vaporized, the liquid refrigerant will sink into the bottom of the reservoir cylinder due to its own gravity, and the vaporized refrigerant will enter the compressor from the outlet to ensure the stable operation of the compressor. The filter in the reservoir prevents line impurities from entering the compressor. The lubricating oil discharged by the long-term operation of the compressor will enter the liquid reservoir with the refrigerant, and then return to the compressor through the "oil return hole" of the outlet pipe to achieve lubrication protection. The product has strict quality standards, air tightness, compressive strength and other excellent indicators, can meet the needs of different fields of use, for the efficient and stable operation of the refrigeration system to provide a solid guarantee.
In modern refrigeration systems, what role does Liquid Refrigerant Receiver play? Why is it called the "guardian" of the system?
What are the core functions of Liquid Refrigerant Receiver?
Liquid Refrigerant Receiver is a container for storing liquid refrigerant in the refrigeration system. It is mainly installed between the condenser and the evaporator to buffer and store refrigerant. The core functions of the liquid receiver include:
Storing excess refrigerant: When the load of the refrigeration system changes, the liquid receiver can store excess liquid refrigerant to ensure a stable supply of refrigerant in the system.
Preventing gaseous refrigerant from entering the expansion valve: Through the design of the receiver, ensure that the refrigerant entering the expansion valve is pure liquid to avoid the impact of gaseous refrigerant on system performance.
Maintaining system balance: It helps the system maintain the dynamic balance of refrigerant under different working conditions and improve the safety and stability of the system.
Design principles and key technologies of Liquid Refrigerant Receiver
The design of liquid receivers needs to take into account capacity, safety and thermodynamic performance. The following are several key points in its design:
1. Capacity design
The capacity of the receiver must meet the maximum refrigerant storage requirements of the system. Usually, the capacity of the receiver is 10%~30% of the total refrigerant volume of the system. Insufficient capacity will lead to insufficient refrigerant, affecting the operation of the system; excessive capacity will increase costs and floor space.
2. Structural design
Common receiver structures include straight cylinder and spherical types, and anti-impact devices are usually equipped inside to reduce the fluctuation of liquid refrigerant. The material is mostly carbon steel or stainless steel, which must meet the pressure resistance and anti-corrosion requirements.
3. Inlet and outlet design
The inlet is usually set at the top or side of the receiver to ensure that the refrigerant enters the receiver in liquid form. The outlet is set at the bottom to ensure that pure liquid refrigerant is delivered to the system.
4. Safety device
The receiver is equipped with a pressure safety valve and a liquid level gauge to ensure safe operation of the system and easy maintenance.
Application examples of Liquid Refrigerant Receiver in refrigeration system
Taking industrial cold storage and commercial cold chain system as examples, the impact of liquid receiver on the system is significant:
Industrial cold storage: Large-capacity cold storage refrigeration systems are often accompanied by large refrigerant quantities and frequent load changes. Liquid receivers can balance load fluctuations, prevent the system from frequently adding or recycling refrigerants, and improve system efficiency.
Commercial cold chain equipment: Cold chain equipment has extremely high requirements for temperature stability. Liquid receivers ensure that the inlet of the expansion valve is pure liquid refrigerant, reduce temperature fluctuations, and ensure product quality.
Advantages of liquid receivers of Zhejiang Jinhao Refrigeration Equipment Co., Ltd.
As a leading domestic refrigeration equipment manufacturer, Zhejiang Jinhao Refrigeration Equipment Co., Ltd. integrates R&D, manufacturing, and operation, and has a complete product system and technical strength. Its liquid receiver products have many advantages in design and manufacturing:
Advanced design concept: Combining the latest refrigeration technology at home and abroad, it adopts optimized fluid mechanics design to ensure smooth refrigerant flow without dead ends.
High-quality manufacturing process: using high-quality carbon steel and stainless steel materials, strictly implementing national pressure vessel standards to ensure product safety and reliability.
Diversified product lines: covering a variety of specifications and models to meet the needs of different refrigeration systems, suitable for industrial cold storage, commercial cold chain and other fields.
Perfect after-sales service: providing technical support and customized solutions to help customers improve the overall performance of the refrigeration system.
As an important part of the refrigeration system, the design and performance of the liquid reservoir directly affect the stability and efficiency of the system. Choosing a reservoir with excellent performance will escort your refrigeration system. With the continuous advancement of technology, the intelligence and efficiency of liquid reservoirs will become an important development direction of the refrigeration industry in the future.
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