Refrigeration and Heating Circulation System

The core of the refrigeration and heating circulation system is its ability to flexibly and accurately switch between heating and cooling modes to maintain the set temperature conditions.

Features of refrigeration and heating circulation system

1. Dual-mode heat exchanger: The system is usually equipped with a heat exchanger that can both heat and cool, and achieves rapid temperature conversion by changing the flow direction and state of the medium (usually coolant or heating medium) flowing through it.

2. High-efficiency compressor and condenser: The refrigeration part relies on high-efficiency compressors and condensers, which work together to extract and release heat to achieve rapid cooling.

3. Electric heating elements: The heating part uses high-efficiency electric heating elements to quickly increase the temperature of the system or medium to ensure rapid and uniform heating.

4. Intelligent control system: Includes precision temperature sensors, controllers (such as PID controllers) and user interfaces. These components work together to automatically monitor and adjust the system temperature to ensure precise control.

5. Circulation pump and piping system: The circulation pump drives the medium to circulate between the internal and external containers of the system, and the piping design is optimized to reduce heat loss and improve efficiency.

6. Safety protection mechanism: including pressure switch, temperature limit controller, etc., to prevent dangerous situations such as overheating and overpressure, and ensure safe operation.

Advantages of refrigeration and heating circulation system

1. Accurate temperature control: Due to the use of high-precision sensors and advanced control algorithms, the system can maintain the target temperature within a very small fluctuation range.

2. Fast response: The design emphasizes the rapid conversion capability of heating and cooling to meet the needs of sudden temperature changes in experiments or production.

3. High energy efficiency: Through optimized design, energy loss is reduced, and low energy consumption can be maintained even under long-term operation.

4. Easy operation: The user-friendly interface design makes the operation simple and intuitive, and supports preset programs to reduce manual intervention.

5. Strong adaptability: It is widely applicable to different industries and application scenarios, and there are corresponding products to meet specific needs from laboratory research to industrial production.

6. Convenient maintenance: The modular structure makes key components easy to disassemble and maintain, extending the service life of the equipment.

We provide complete temperature control systems design and manufacturing. From standard models to complete customized products. We specialize in customer service and are dedicated to helping each customer have the optimal temperature control system for their specific need.

We provide non-standard customized solutions. Both single cooling chillers and cooling & heating combo units are available.

Email: lilia@lneya.com    WeChat ID: +8615251628237    WhatsApp: +86 17851209193

1.Cooling and Heating Systems

Cooling and Heating Systems (SUNDI series)

(Custom Designs)

• Temperature range: -120℃ ~ +350℃
• High-precision, intelligent temperature control
• Cooling capacity: 0.5kW ~ 1200kW
• Fully closed system to extend the service life of thermal fluid
• Each device is load tested for more than 12 hours

Cooling and Heating Circulators

(Custom Designs)

• Temperature range: -45℃ ~ +250℃
• Emerson Copeland compressor, reliable quality
• Self-diagnosis function, multiple safety protection devices
• Fully closed system to extend the service life of thermal fluid
• Each device is load tested for more than 12 hours

Cooling and Heating Systems (WTD series)

(Custom Designs)

• （Micro channel / tube reactors specialized）
• Temperature range: -70℃ ~ +300℃
• High-performance circulation pump, more stable temperature control effect
• Wide temperature range to meet the needs of more industries
• Each device is load tested for more than 12 hours

TCU Multi-reactors Temperature Control System

(Custom Designs)

• Temperature range: -120℃ ~ +250℃
• Sealed, repeatable temperature control
• Built-in electric heating thermal oil auxiliary system
• Add cold and heat source heat exchange modules according to needs
• Each device is load tested for more than 12 hours

2.Cooling Chillers

Low Temperature/Cryogenic Chillers (Water Cooled)

(Custom Designs)

• Temperature range: -150℃ ~ -5℃
• International brand compressor, high cooling efficiency
• Secondary subcooling technology, fast cooling speed
• Automated control and operation, efficient and energy-saving
• Each device is load tested for more than 12 hours

Six product series

Recirculating Chiller/Refrigerated Circulator (Air Cooled)

(Custom Designs)

• Temperature range: -120℃ ~ +30℃
• International brand compressor, cascade refrigeration technology
• Use ethylene glycol or a mixture of ethylene glycol and water
• Fully sealed design to ensure the purity of the medium
• Each device is load tested for more than 12 hours

Five product series

Small Chillers / Mini Chillers

(Custom Designs)

• Temperature range: -18℃ ~ +35℃
• International brand compressor, stable performance
• Microcomputer controller, adjustment unit 0.1℃
• Energy saving, high temperature control accuracy
• Each device is load tested for more than 12 hours

Two product series

High Temperature Chillers

(Custom Designs)

• Temperature range: -100℃ ~ +80℃
• International brand compressors and other accessories
• Fully sealed design to ensure the purity of the medium
• PLC programmable controller
• Each device is load tested for more than 12 hours

Five product series