123ArticleOnline Logo
Welcome to 123ArticleOnline.com!

ALL >> Others >> View Article

Blowers And Fans For Industrial Process

By Author: Oleg Chechel
Total Articles: 23

Axial fans are classified into propeller, tube axial and vane axial styles, and each type has different characteristics. Propeller fans consist of only a motor and propeller and therefore are the simplest. Tube axial are similar to propellers but has a venturi around the propeller to reduce the vortices. Vane axial fans are equipped with vanes that trail behind the propeller in the airflow to straighten the swirling flow.

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 air pressure within the building whether it be negative or positive pressure.

* Supply Fans or PRVs.

A large number of buildings use exhaust PRVs to exhaust fumes, smoke, dust or other contaminants unavoidable in the operation of the business. As a result, these buildings are frequently under a severe negative pressure. The solution to the problem of this kind is usually found in the use of supply fans or "make-up" air ventilators.

* Air Circulators.

If the exhaust and supply air requirements of a building have been carefully engineered and installed, and there continues to be a high instance of worker discomfort, the problem usually relates to the matter of air circulation. In this way, in addition to amximum benefit from the fresh, cooler air, occupants receive the added comfort of air circulation over their bodies and they are not adversely affected by the superheated air being exhausted from the building.

Air moving fans and ventilators utilize power from a motor to generate a volumetric flow of air at a given pressure, and are considered low-pressure air pumps. A propeller converts torque (turning force) from the motor (typically permanent split capacitor AC induction motors or brushless DC) to increase static pressure across the fan rotor and to increase the kinetic energy of the air particles.

The flow and pressure properties are the main differences between a fan and a blower. While fans deliver air in an overall direction that is parallel to the fan blade axis, blowers deliver air in a direction that is perpendicular to the blower axis. Hence, fans can be configured to deliver a high flow rate, working against low pressure while blowers to deliver a relatively low flow rate against high pressure. Centrifugal blowers can be squirrel cage type, have a forward curved wheel or a backward curved wheel.

Another major difference is in the mechanism regarding restriction to the air-flow. In a blower, it has an opposite effect on the same motor driving a fan blade. For instance, the load on the motor decreases when the motor is driving a squirrel cage blower. As the system becomes clogged, the blower speeds up. On the other hand, the load on the motor increases and the fan slows down as the airflow system becomes clogged with fan blades.

For additional information please refer to http://industrialblower.net

Oleg Chechel
Ventilation Equipment Designer
Industrial Blower Co.
info@canadablower.com
http://industrialblower.net/quality.html
http://industrialblower.net/material-handling.html

Total Views: 63Word Count: 502See All articles From Author

Others Articles

1. Property In Clerkenwell | Offices In London | London Offices
Author: Richardsusskind

2. Reasons Behind The Popularities Of The Precision Forgings Company.
Author: sonablw

3. The Active Responsibilities Of The Differential Assembly Parts
Author: sonablw

4. Class 8 Schoolboy In Chennai Consumes Bhang, Dies
Author: new indian express

5. How To Tell If Magento Is The Right Platform In Your Case?
Author: Rose Carter

6. Why You Should Hire A Reliable Bulk Sms Company In Indore
Author: Suresh Kumar

7. Quality Web Scrapping Services For Your Business Needs
Author: Devendra Baghel

8. Charities Aid Foundation In India
Author: Shuaiba Rahaman

9. Factors To Consider When Choosing A Perth Paediatric Surgeon
Author: David Jaxon

10. A Quick Guide To Choosing Drill Bits
Author: Michael Foley

11. Website Designing In Indore Positively Impacts The Business
Author: Suresh Kumar

12. Keep Your Business Level High By Hiring Whatsapp Marketing Company Bhopal
Author: Suresh Kumar

13. Telecon Migration
Author: ARUN KUMAR

14. Telecom Expence Management
Author: SALIL KUMAR

15. Smiles At Work
Author: Shalini Mehndiratta

Login To Account
Login Email:
Password:
Forgot Password?
New User?
Sign Up Newsletter
Email Address: