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| Articles by Oleg Chetchel |
61. High Pressure Regenerative Blowers
October 13, 2009
There are four power-source choices for regenerative blowers: DC power, AC single-phase, AC three-phase, and engine. Features for regenerative blowers include: control panels and pressure or vacuum gauges. Most control panels include adjustment controls instead of a simple, regulator knob. Regenerat...
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62. Radial Blowers
October 08, 2009
A radial fan is used in so many different ways and usually run by using electricity although a radial fan can also run off a generator. Most households have a radial fan, there is generally some sort of fan found in most houses. A radial fan can be just your normal portable fan or a ceiling fan is n...
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63. Industrial Process Ventilation
October 08, 2009
Industrial fans include several types such as duct fans, roof and ceiling ventilators, wall mounted fans, pressure blowers, and freestanding units with different mounting options. For extreme conditions and plants, drum fans can be used to move even larger amounts of air. These types of fans come wi...
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64. Industrial Ventilators and Blowers
October 08, 2009
Industrial blowers are manufactured using a range of durable plastics and metals, or a combination of both materials. For example, industrial blowers operating in corrosive environments are usually made of polypropylene because it provides greater structural integrity and corrosion resistance, and w...
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65. Ventilation by Forced Draft
October 02, 2009
To obtain a reasonable degree of personnel comfort in hot weather, there are three basic factors that should be provided for in the ventilation and coolong system of a commercial or industrial building.
Forced ventilation is used to control indoor air quality. Excess humidity, odors, and con...
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66. Ventilators, Fans and Blowers
October 02, 2009
Aside from the small squirrel cage blowers used on some electrical equipment, the most common blowers of the centrifugal type are the units used for drying carpet after cleaning or a fire, the blowers used for leaf sweeping and the unit hidden inside a vacuum cleaner.
In the axial flow vent...
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67. Centrifugal Blowewr vs Axial Fan
September 24, 2009
The main types of Axial Flow Fans include:
High-Temperature Axial Fans – High-volume fans designed to operate against low flow resistance in industrial convection furnaces. These are found in either single-direction or bi-directional designs. Extremely rugged, they are most often used in hig...
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68. Centrifugal Fans and Blowers
September 21, 2009
The centrifugal blower has a number of blades mounted around the hub, which turns on a shaft that passes through the housing. A Centrifugal fan can come in three different types of fan blades. They can come with forward curved blades, backward curved blades and straight radial blades. The ty...
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69. Blowoff Air Knives for Industry
September 21, 2009
Blower and fan units used in tank, blender, and conveyor tube drying can reduce drying time by an average of 50% compared with natural air drying. They are almost always a direct-drive design in order to minimize size and cost. However, an in-line electric heater must be added, and this ultimately r...
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70. Fans and Blowers
September 18, 2009
Commonly available practical methods of plants ventilation are:
* Exhaust fans or Power Roof Ventilators (PRVs).
To do a satisfactory job of eliminating excessively hot air, it is usually essential to have powered wall and/or roof exhausters. These fans should also help to control ...
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Author: Oleg Chetchel
