The condenser and evaporator markets are surging, the market is getting bigger and bigger, and the products are getting richer.
According to the Refrigeration Express reporter, the current common products in the two markets include finned heat exchangers, shell and tube heat exchangers, plate heat exchangers, sleeve heat exchangers, tank heat exchangers and evaporative condensers. "Microchannels, parallel flow" as a rookie in the two markets also began to appear in the market.
Among these condenser and evaporator, the finned heat exchanger and "microchannel, parallel flow" belong to the air-cooled heat exchanger, and the others are water-cooled heat exchangers.
According to experts in the air-conditioning and refrigeration market, although the air-cooled heat exchanger has high stability and does not require a watering system, each type of heat exchanger has its own characteristics, and its unique advantages also determine the type of product it uses. And market share.
1. Finned heat exchanger: mature technology The wide finned heat exchanger has a long development time in the two markets, and is widely used in refrigeration systems such as air conditioners, refrigerators, heat pumps and cold storage.
According to the Refrigeration Express reporter, from the situation of the two markets in the country, the market share of finned heat exchangers is high, which may be related to the market demand for finned heat exchangers.
With the continuous expansion of China's air-conditioning market and the continuous development of the heat pump industry, the demand for finned heat exchangers continues to expand.
Among the more than two companies in the country, the proportion of finned heat exchangers is high.
According to the reporter of the Refrigeration Express, the finned heat exchanger is relatively easy to transport long-distance transportation because of the irreversible damage caused by external force during long-distance transportation.
In order to reduce transportation costs, finned heat exchangers are produced throughout the country to facilitate the development of the refrigeration industry. At present, in the domestic production of finned heat exchangers, United, Meloco and Sanyo are typical representatives.
Finned heat exchangers have been developed for many years, and the technology is more mature than other products. According to experts in air conditioning and refrigeration market, the use of finned heat exchangers is closely related to fins and copper tubes. Thickness, the size of the fin area, the length and thickness of the copper tube will affect the heat transfer efficiency of the finned heat exchanger.
The advantages and disadvantages of fins and copper tubes are often affected by production equipment and raw materials. Therefore, in the relatively mature finned heat exchanger industry, it is important to grasp the influence of raw materials and production equipment on product quality.
2. “Microchannel, parallel flow”: energy saving and environmental protection
As a new member of the air-cooled heat exchanger, "microchannel, parallel flow" has not yet been popularized in the market, but its advantages and characteristics have long led to industry turmoil.
According to the reporter of the Refrigeration Express, “microchannels, parallel flow” are products of the refrigeration industry. They have been used relatively early in the automotive air-conditioning industry and have only begun to develop in the refrigeration and refrigeration industry in the past two years.
The microchannel heat exchanger has high efficiency of heat exchange. Due to its light weight, pure aluminum design and compact size, the system cost is greatly reduced.
In addition, due to the small volume of this product, the average refrigerant charge is reduced by 30%, effectively reducing the damage to the environment.
Therefore, from a long-term perspective, this product fits the theme of “low carbon”. Due to its environmental protection and high heat transfer efficiency, the future development prospects are bound to be small.
"Microchannels are definitely the future development direction. The product organization is small, the materials will be more economical, and low carbon, energy saving and high efficiency are the focus of our industry.
However, the industry still holds different views on this. General Manager of Keweili said that since this product is a pure aluminum design, aluminum is not as stable as copper, and there is still room for improvement in terms of safety.
The experts in the air-conditioning and refrigeration market said that the design of "micro-channels" in the "micro-channel, parallel-flow" products has brought about a significant increase in heat dissipation efficiency, and it has also produced a drawback - micro-channels are prone to blockage.
In addition, the "microchannel, parallel flow" defrosting is also an urgent problem to be solved.
As a new product goes to the market, it must undergo continuous baptism in the market. As a rookie in the two industries, "microchannel, parallel flow" will also become more and more perfect in products and technology, and finally win its own market.