Application of Keno Laser Chiller in the Laser Industry
- Clicks: 665 | Release Time: July 3, 2009
With China's rapid economic growth, the laser industry has also experienced significant development. Chillers, or circulating water coolers, have become essential in various laser applications. Currently, many manufacturers in China produce these devices, mostly using start-stop refrigeration systems that are often modified from household air conditioners. However, this approach has several drawbacks. During compressor shutdowns, only the water in the tank can remove heat, leading to poor temperature control and requiring a large water tank, which is bulky and consumes a lot of water. Additionally, most systems use coil-type heat exchangers, where the heat exchanger is submerged in the tank, resulting in slow heat exchange rates. Frequent compressor startups also cause electrical pollution, strain on the power supply system, and reduce the compressor’s lifespan.
In contrast, foreign manufacturers typically use non-start-stop chillers, but due to the technical complexity involved, these systems cannot be easily assembled or modified. As a result, only foreign or foreign-invested companies can produce them, and they require a certain level of production scale, making them more expensive than their start-stop counterparts. Major global brands include THERMO NESLAB, LABTECH, and JULABO from the U.S. Among them, LABTECH has established factories in China and offers the H series of water circulation chillers. These units feature advanced PID temperature control, Hot Gas Bypass technology, high-efficiency plate heat exchangers, high-pressure rotary vane pumps, and environmentally friendly, fluorine-free refrigerants. The standard cooling capacity ranges from 350W to 9000W with a temperature control accuracy of ±0.1°C, giving them an advantage in both price and service compared to other international brands.
Dongguan Kainuo Machinery has actively partnered with global industry leaders. Their current laser chillers integrate excellent heat exchange systems, including precision plate heat exchangers and accurate temperature sensing components, earning them recognition from customers. They have introduced new products tailored for the majority of Chinese consumers.
The rapid growth of the laser industry, including the laser show sector, has increased demand for high-quality circulating water coolers. These systems must meet international standards, offering continuous operation, high temperature control accuracy, stable performance, and lower failure rates. LABTECH has collaborated with the laser show industry to enhance features such as low flow alarms, abnormal temperature alerts, overheat protection, and sensor fault detection. It also includes an RS232 interface, and uses stainless steel water pumps to prevent copper ion contamination in the system. Below is a table showing the technical specifications of the H100A circulating water cooler.
Moreover, circulating water coolers are widely used in various laser equipment industries, including laser cutting machines, laser marking systems, laser engraving tools, laser welding devices, and laser drilling machines. Choosing high-end chillers with better stability and more comprehensive functions will be key to future industry growth. This information is provided by Dongguan Kainuo Machinery Co., Ltd.
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