Ventilating Fan Co. (New York) supply the largest surface mine ventilation fans as well as smaller fans for underground mine ventilation and booster applications. The range of mine ventilation fans stretches from simple fixed pitch axial flow fans through mixed flow to large customised main surface fans and meets the requirements of high efficiency Landon Collins Limited Jersey , low noise and the potential for reverse flow. Axial or centrifugal fans may be supplied and our customers can be assured that we have the correct fan for the application, and the knowledge and experience to engineer it for performance, reliability, and safety.

Ventilating Fan Co. have supplied the ventilation systems and fans for many tunnels in Europe, and North America, as well as providing fans for tunnels in other parts of the world. Typical tunnel ventilation applications include:

• longitudinal ventilation with jet fan, injector or extraction,
• transverse ventilation of road tunnels,
• semi-transverse ventilation of road tunnels,
• jet fans for longitudinal tunnel ventilation,
• skid mounted wet dust extractors to keep dust levels low during tunnel construction

Car tunnels and metros require ventilation systems that supply a varying air flow to meet changing traffic conditions and which can remain in operation during emergency situations. Ventilating Fan Co. (New York) tunnel ventilation fans perform this task efficiently, reliably and quietly, and are designed to remain operational during extreme temperature conditions. The features of the axial flow fans and jet fans specifically designed for tunnel and metro applications include high efficiency, low noise, durability, high reliability, low maintenance, corrosion protection and flameproof motors, with auto-variable pitch or variable speed drive, and the potential for up to 100% reverse flow.

While the normal operational demands placed on mine fans may not be as severe as in other heavy industrial processes, the consequences of malfunction are acute. Ventilating Fan Co. (New York) axial and centrifugal mine ventilation fans are designed first and foremost with safety in mind.

Ventilating Fan Co. (New York) mining fans include:

• variable and non-variable pitch axial flow main ventilation fans;
• centrifugal surface ventilation fans with radial vanes for complete air volume control;
• mixed flow underground booster fans – compact and robust;
• adjustable fixed pitch axial fans for underground auxiliary ventilation and portable mine fans;
• skid-mounted wet dust extractor fans for effective dust removal from the atmosphere and is specially designed for underground working.

These vane axial fans operates in the largest mines in the world, assisting in the extraction of gold, copper, coal and other essential minerals.

Additional information can be found at the Ventilating Fan Co. web site http:www.ventilating

Oleg Tchechel
Industrial Air Handling Application Engineer
Ventilating Fan Co.
nis-co@nis-co
http:www.ventilatingrequest
http:www.ventilatingcontact

GUIYANG, Nov. 25 (Xinhua) -- Using smartphones for the first time in their lives, villagers in a remote mountainous region in southwest China are now connected to the world thanks to mobile Internet.

 

Farmers in Tongguan in Liping County, Guizhou Province, even held festivities, including the singing of traditional songs and lively firecracker displays, to celebrate the landmark launch of fast wireless Internet service over the weekend.

 

China Mobile, the country's largest telecom operator, erected a 4G base station in the area to make Wi-Fi available to the local villagers.

 

ZTE, a leading mobile phone maker, offered smartphones to around 400 households in the village.

 

"The access to mobile Internet marks the village's entry into the digital era, which brings with it new concepts of learning, living and working," said Wu Zhengang, the Communist Party of China (CPC) chief of the village.

 

Residents in Heidong, another village in the county, are also now covered by the wireless network and were donated smartphones by Lenovo.

 

Chen Yuanyuan, program director of Tencent Public Welfare Foundation, and also the initiator of the program, said this was part of Tencent's 15 million yuan (2.4 million U.S dollars) program to establish a museum to preserve the "Grand Song" of the Dong ethnic minority group.

 

There are around 3 million Dong and its people are mainly concentrated in Liping. Its "Gang Song", a kind of folk choral music with a history spanning 2,500 years, has been inscribed on the Representative List of the Intangible Cultural Heritage of Humanity by UNESCO.

 

"With Internet service, the 'Grand Song' could get better exposure and more people around the globe could get a glimpse into the Dong culture," said Chen.

 

"The Internet could also help disadvantaged areas better develop their economy," said Chen.

 

"I have told locals that with the Internet, you can sell tea, embroideries and other local products on e-commerce platforms. You can even keep in touch with family members that live in the big cities with the instant messaging service WeChat," Chen said.

 

This Internet initiative will boost the economy and cultural development in rural areas," said deputy secretary general of ZTE's Public Welfare Foundation, Guo Xianjie.

 

China was officially connected to the Internet on April 20, 1994. Over the past two decades, it has spurred profound changes to people's lives and become a powerful driving force behind China's economy.

 

But in some remote mountainous regions, where power outages are common and there are no asphalt roads, the locals have never even heard of the word "Internet".

 

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