Baghouse dust collectors use filters made of polyester filber, PPS, PTFE, P84 or glass fiber to separate dust particulates from dusty air. They are one of the most effective and popular types of industrial dust collectors. Dust-laden gases enter the baghouse and pass through fabric bags that act as filters. The bags can be of woven or felted cotton, synthetic, or glass fiber material in either a tube or envelope shape. Pulse jet cleaning system, also known as pressure jet cleaning, is the most common. A high pressure blast of air is used to remove dust from the bag. The blast enters the top of the bag tube, temporarily ceasing the flow of dirty air. The shock of air causes a wave of expansion to travel down the fabric. The flexing of the bag shatters and discharges the dust cake. Due to air burst's rapid release, the blast of air does not interfere with contaminated gas flow. Therefore, pulse jet baghouses can operate continuously and are not usually compartmentalized.
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Drivers in China regard the car as their second home. Therefore, engineers at the Delphi China Technology Center designed a DVD audio system specifically for Chinese consumers. Now, drawing control in this sound system has become part of Delphi's global construction chain.
For a long time, Chinese engineers have designed many products suitable for the development of the Chinese market, and now they are also starting to manufacture products suitable for global use. Companies like Delphi hope that their technology center in China can become a key force in the global management network. With the improvement of development capabilities, Delphi officials hope that the China Technology Center will become Delphi's largest electronics research center in the world, so the investment has reached 50 million US dollars.
Douglas Brandt, head of business planning for electronic and security systems at Delphi China, said: “In China, the ability to map images is very high.†Now, Delphi’s Chinese consumers have received a complete set of services. “In China, we have a The comprehensive design, authorization and inspection team has grown very well,†said Joseph Zachariah, director of management at the center.
In the past few years, 350 engineers at this technical center have collaborated with other Delphi engineers in Singapore and India to design new products.
By 2010, another laboratory will be built, and about 1400 people will work there, of which two-thirds are engineers. In general, the Center's work on global products is limited. In addition to image mapping, Shanghai has a group of 15 people who advocate the global use of electronic components. Chinese engineers are designing a model that can be used in China and India. Engine group.
Zachariah from India, who has been director of the Gallup Technology Center in Delphi for 5 years, pointed out that India is a template for China. Now in the center of India for 5 years, 2,500 engineers collaborate with Delphi's global headquarters and are mainly responsible for simulation experiments and software analysis. The Chinese auto market has grown so rapidly that Delphi China's engineers have not yet started to do some basic work on vehicle design, Brandt admits.
However, the rapid growth and development speed of new models gave Chinese engineers a reason that American auto makers need them to maintain this competitiveness, that is, speed. Brandt said: "Speed ​​is everything in business." 