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Briefly describe the main components and functional characteristics of a large capacity cryogenic centrifuge
Date: 2025-07-15Read: 1
In the fields of biochemistry, medical research, and industrial production, large capacity cryogenic centrifuges are key equipment for separating different components in mixtures. It generates strong centrifugal force through high-speed rotation, separating solid particles or liquids in the sample into layers. This article will provide a detailed introduction to the main components and functional characteristics of a large capacity cryogenic centrifuge.
1、 Shell and cavity: sturdy and durable basic structure
1. Shell
Function: The shell not only provides physical protection for internal components, but also has insulation and sound insulation functions, ensuring the safety and reliability of the equipment during operation.
Characteristics: It is usually made of high-quality stainless steel or corrosion-resistant materials, with good mechanical strength and corrosion resistance, and can adapt to various harsh working environments.
2. Centrifugal chamber
Function: As the core area for placing the rotor and sample, the centrifugal chamber achieves the separation process of the sample through high-speed rotation.
Features: The inner wall of the cavity is smooth, easy to clean, and prevents residue accumulation. Meanwhile, the cavity design takes into account thermal efficiency, ensuring uniform cooling and improving separation efficiency.
2、 Rotor system: core separation unit
1. Fixed angle rotor
Function: Used for separating substances with significant density differences, such as cell debris and supernatant.
Features: The sample tube is fixed at a certain angle on the rotor, and the separated sediment is concentrated at the bottom corner of the tube for easy collection.
2. Swing bucket rotor
Function: Suitable for separating substances with similar density but different phases, such as plasma and red blood cells.
Features: The sample tube is vertically suspended inside the swinging bucket and automatically adjusts to a horizontal position during high-speed rotation, forming a more uniform separation layer.
3. Adapter
Function: Used to secure sample tubes of different specifications, ensuring their safety during high-speed rotation.
Features: Choose the appropriate adapter based on the size of the sample tube to avoid sample leakage or damage.
3、 Refrigeration System: The Key to Maintaining a Low Temperature Environment
1. Compressor
Function: The compressor is the core component of the refrigeration system, responsible for compressing refrigerant and sending it into the condenser.
Features: The high-efficiency and energy-saving compressor can reach the set temperature in a short period of time and maintain a stable working state.
2. Condenser
Function: The condenser converts compressed high-temperature and high-pressure gas into liquid refrigerant, releasing heat to the external environment.
Features: The efficient condenser design can quickly dissipate heat, ensuring the stable operation of the refrigeration system.
3. Evaporator
Function: The evaporator absorbs heat from the centrifugal chamber, reducing the temperature of the chamber to the set value.
Features: The large-area evaporator design can improve heat transfer efficiency and ensure uniform temperature distribution inside the chamber.
4. Temperature control system
Function: Real time monitoring and adjustment of chamber temperature to ensure compliance with experimental requirements.
Features: The advanced temperature control system has high precision, fast response speed, and can accurately control temperature fluctuations within ± 1 ° C.