H.Stars (Guangzhou) Refrigerating Equipment Group Ltd.

  With increasing environmental regulations and the demand for higher energy efficiency, many industries are rethinking traditional boilers.   Scroll heat pumps   are emerging as a leading, eco-friendly alternative in boiler retrofitting. But why are they the ideal choice? How Scroll Heat Pumps Outperform Traditional Boilers Scroll heat pumps utilize advanced scroll compressor technology to absorb low-grade ambient heat, which they compress and convert into a stable source of high-temperature hot water or steam. Unlike traditional boilers, scroll heat pumps don’t burn fossil fuels, reducing CO₂ emissions and aligning with global green initiatives. Simplified Installation and Cost Savings Switching to scroll heat pumps also simplifies the retrofit process. Their installation and commissioning are less invasive to existing structures, reducing retrofit timelines. With an intelligent control system, scroll heat pumps adjust to real-time demand, optimizing energy efficiency a...

  Ultra-low temperature chillers   play a vital role across various industries and research fields that require precise temperature control. But just how low can the temperature of these chillers go? Understanding How Ultra-Low Temperature Chillers Work Ultra-low temperature chillers function by utilizing refrigerant cycles. The refrigerant absorbs heat in the evaporator, which lowers the temperature of the target object. Then, the compressor compresses the refrigerant into a high-temperature, high-pressure vapor, which moves to the condenser to release heat into a cooling medium (usually water or air) and transitions into a high-pressure liquid. Afterward, the refrigerant passes through an expansion valve, re-entering the evaporator to repeat the cooling cycle. Typical Temperature Ranges The cooling capacity of a chiller depends on the choice of refrigerant and system design. Standard low-temperature chillers generally operate within a cooling range of -15°C to -40°C. However...

  In  flooded chiller systems , it’s common for the condenser to have a higher heat transfer capacity than the evaporator. This difference stems from the physical characteristics of the refrigeration cycle. The condenser is essential for transforming refrigerant from a gas to a liquid state, releasing both the heat absorbed by the evaporator and the additional heat generated during the compression process. Key Reasons Behind Higher Condenser Heat Transfer 1. Handling Additional Heat from Compression After the refrigerant absorbs heat from its surroundings in the evaporator, it flows into the compressor, where it's compressed into a high-temperature, high-pressure gas. This compression step adds extra heat to the refrigerant, which the condenser must release. Therefore, the condenser not only dissipates the heat absorbed by the evaporator but also manages the additional heat from compression, resulting in a higher heat transfer demand. 2. Enhanced Heat Transfer Area and Design ...