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Air-Conditioning Industry Chain Development Trend Of Global

In 2007 the world economy has maintained solid growth. Some of the major developing countries have also continued stronger growth momentum. For example, China's GDP growth rate of 11.5%. China, Brazil, Russia, and India's economic growth contributed to the entire world economy forward. 2008 Beijing Olympic Games and 2010 Shanghai World Expo and other activities to stimulate the demand for air conditioning and refrigeration products is rising rapidly. Accordingly, an integral part of the air-conditioning industry - compressors also gone through another growth year.

2007 World HVAC total market value of about 100 billion U.S. dollars, half of which is the air-conditioning products, and the remaining half of refrigeration products. In 2007 the world's air conditioner market in total sales for the 74 million units, compared with 70 million units in 2006, an increase of 5.1%.

China first in the world occupy the air-conditioning sales, the market scale reached 23.2 million units. In 2007, including the brand around the world, including about 30 million air conditioners from China's exports, compared with 2006, an increase of 13.5%. Chinese production of air conditioners accounted for the entire world air conditioning market, 72%. China is not only in aircraft products, the biggest supplier of the key components.

China's current production of rotary compressor is about 80 million units, and every year is growing. China's motor, heat exchangers, controllers and plastic production is also walking in the world.

In the United States in 2007 sold 780 million units of air-conditioning, of which 710 million is a room air conditioner (almost all of the room air-conditioners are wall-style), 70 million units is a cabinet air conditioner, while the window-type air conditioner The number accounts for only 2%. Most of the heat pump is a variable frequency drive, and all the room air-conditioners and most of the cabinet air conditioner uses R410A refrigerant.

Europe's sales growth in air-conditioning made great contributions. Sold in Europe in 2007 a total of 8.4 million air-conditioning units, compared with 2006, an increase of 13.5%. Russia's air-conditioning sales in 2007 increased by 27.1%, increase is the highest in Europe.

In addition to China and Japan, other Asian countries the growth in sales of air conditioning has also played an important role. In 2007 sold the air-conditioning in these countries there are 9.7 million units, compared with 2006, an increase of 12.1%.

In 2007, raw materials prices continue to rise sharply, resulting in an increase in production costs. To this end, manufacturers concentrate on looking for ways to reduce consumption of raw materials, to remain competitive.

CO2 System: Compressor Highlights

According to BSRIA / JARN study, in 2007 the total value of the global compressor market of 211 million. Among them, reciprocating compressor market is about 11.9 billion U.S. dollars, rotary compressor market is about 4.9 billion U.S. dollars, scroll compressor market for 3.4 billion U.S. dollars, screw-type compressor market, 700 million U.S. dollars, centrifugal compressor market, about 2 billion U.S. dollars.

Energy-saving and environmental protection are the two main themes of compressor industry.

    Starting in 2010, HCFCs produced in the United States will not be allowed to use new equipment. This case, the application of environment-friendly refrigerants has been the HVAC and refrigeration industry hot topic. In recent years, the most pressing in this area is to develop the theme of CO2 compressor. CO2 can be used in automotive air-conditioning compressor. Vehicle air-conditioning is cross-Zero CO2 cooling one of the most important fields of application. Japan, U.S. and European research institutes and manufacturers in this regard is very positive. European companies such as Danfoss, and Bock has been developed out of the bus with the CO2 air-conditioning compressor. Japanese companies such as Denso, has begun to small batch production of this product. Shanghai Jiao Tong University in cooperation with some companies, the development of the CO2 car air conditioning compressors.

Heat pump water heater (HPWH) is another application of a CO2 compressor area. One advantage of CO2 heat pump water heater can heat water to 90 degrees Celsius, while the ordinary traditional refrigerant heat pump water heater system in the same cases only the water heated to 55 ℃. In addition, CO2 heat pump water heater COP values of up to 4.9.

CO2 heat pump water heaters in Japan, has developed rapidly. Of 2005, including Sanyo, Daikin, Hitachi, Toshiba, Carrier, Melco and Panasonic, including nine Japanese company was jointly developed by ECO CUTE series of CO2 heat pump water heater shipments of 210,000 units. In 2008, shipments will reach 35 million units.

Sanyo CO2 in the rotary compressor R & D done very well. Their products to achieve high efficiency, low noise, low vibration and high tolerance. In addition, these products are two compression mechanisms, and internal medium pressure system, able to withstand high-pressure CO2. Sanyo also speed the commercialization of CO2 compressor for 900W ~ 2200W series of domestic heat pump water heater. Recently, Sanyo 400W and 500W output power, single-speed cooling system and the 500W output power transmission system has also been commercialized. Now, Sanyo is to enhance the safety of its products for use in a variety of devices (such as commercial refrigerators, freezers and vending machines, etc.). Denso, Daikin, Panasonic, Melco and Hitachi have developed their own CO2 compressor for heat pump water heater products.

Dorin has developed the world's first semi-closed pressure reciprocating CO2 compressor. This compressor can be used in HPWH and light, medium-sized commercial refrigeration equipment. Power range from 0.75kW to 15kW motor capable of medium-speed and high-speed mode operation (1450rpm and 2900rpm). Compressors ranging in diameter from 18mm to 34mm.

Refrigerants: HFCs facing a turning point

In recent years, HVAC air conditioning and refrigeration industry, many manufacturers use HFCs refrigerants (R134a/R410A/R407C, etc.). Many air-conditioning with R410A, coolers using R134a, refrigeration equipment using R404A, it seems a foregone conclusion. However, these refrigerants high potential greenhouse effect, while HFCs are not ozone-depleting substances (ODS). Accordingly, the natural working fluid (such as CO2, NH2 and HCs) research and commercial trials are underway. For household air conditioners, the hydrocarbon R600a has been commercialized. Even if the United States from R22 (HCFC) refrigerants HFCs shift the footsteps behind people, but the new products from 2010 prohibiting the use of HCFC's bill has been passed, a lot of air-conditioning manufacturers intent to turn R410A. Some industry insiders believe, R410A in the next few years, dominating the world market, most of the refrigerant Jiangshan. R410A products will use energy-saving costs, environmental protection and energy saving have a great advantage.

    Therefore, many European compressor plant proposed the use of CO2 compressors developed and applied to the mobile air-conditioning on. Although CO2 is to promote global warming gas, conventional refrigerants, but the global warming caused by the same amount of CO2 than the global warming caused by the high 1400. Moreover, the air conditioner out of a small amount of CO2 released from power plants and vehicles with a large number of CO2 emissions is negligible in comparison. For small and light systems such as car air-conditioning and mobile air-conditioning is, CO2 system, great development prospects.

But the CO2 system, a major drawback is that they must be under the pressure of a large operation (5 times higher than traditional systems), operating under high pressure caused a certain degree of engineering challenges, and requires use of heavy pipe. However, in recent years, manufacturing processes and other technical advances that have helped to increase the feasibility of application of CO2 systems.

However, in areas of relatively high temperature, CO2 as an air-conditioner refrigerant efficiency is not high. Moreover, due to the need of high strength to withstand pressure, the compressor or chiller systems are cumbersome, the implementation of mobile air-conditioning is also difficult. Two large chemical companies Honeywell and DuPont launched a new low GWP value of HFCs refrigerants (R1234yf) Development. The completion of toxicity testing will take a long time. Despite the development of new refrigerant ultimate success are uncertain, but the car makers are already inclined to use CO2.

Lubricants: alternative technologies by the attention

Since all firms are faced with air-conditioning to reduce costs and improve efficiency of the pressure, the choice of lubricants for the overall efficiency of refrigeration and air-conditioning compressor efficiency is vital, so that vendors feel the need to replace the current use of lubricant. In recent years, the main difficulty is the development of lubricants HFCs and natural refrigerants lubrication unit reliability.

Automobile manufacturers to develop the polyether (PAG) CO2 compressor has become the trend. Japan's Idemitsu Kosan (Idemitsu)'s transformation after the PAG has been applied to the CO2 heat pump water heaters on all of Japan. As a leading manufacturer, Idemitsu is a mature technology provides support for its plant located in Tianjin, China, well-run, the supply of lubricants for many compressor manufacturers.
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Cooper Cooler HC01 Rapid Beverage Chilling Appliance $69.99 Cooper Cooler HC01 Rapid Beverage Chilling Appliance

Cooper Cooler HC01C Cooler Rapid Beverage And Wine Chiller $83.85 The Cooper Cooler chills your warm drinks in a flash perfect for lastminute gatherings when you don t have time to put a bottle in the refrigerator. Chill wine bottles to the proper serving temperature in just a few minutes. It s also great for freeing your refrigerator space and chilling singleserve cans and bottles of beer soda and other beverages. Just add ice cubes and water then plug in. Chills cans in one minute bottles in 31/2 to 6 minutes. Stops automatically when done. Easy to use keypad with chill settings. No spin option for chilling delicate wines. Compact and lightweight

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