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4
September

The Prominent Use of Industrial Fans in the Cement Industry to Reduce Air Pollution

  • September, 2022
  • Alfa Fans
  • BLOG



A strong attempt has been made to reduce air pollution in the cement industry. One of the fastest expanding industries in the world is the cement sector. Around 4.4 billion tonnes of cement are manufactured worldwide each year. Technology has made it possible for businesses to produce cement in greater quantities than in the past.



This industry's main sources of air pollution are landfills, tips, conveying belts, crushing mills, and kilns. An important contributor to environmental imbalances, particularly regarding air quality, is the cement sector. Sulfur dioxide, nitrogen oxides, and grey dust are the primary ecological contaminants. We have posted a guide on reducing air pollution in the cement sector as well-known dealers of air pollution control equipment in Surat. The blog examines particular methods for reducing air pollution, including the measurement, classification, and management of particulate matter, as well as how energy efficiency might enhance air quality.



Pollutants in the Cement Industry That Cause Air Pollution:



1) Sulfur Oxide :
In this article, we would like to demonstrate the basics of aerodynamics of the best foreign and domestic centrifugal fans with backward curved blades. This to spot opportunities, generalize their advantages and minimize shortcomings. Our experiments showed the dependence of the aerodynamic performance and efficiency on the width of the fan , with other geometric parameters of the fan also affecting its efficiency, but the most effect is on the width. because the width of the fan increases, the flow in it loses stability. There's a flow separation near the front disc, which results in a decrease in the aerodynamic parameters and efficiency, volume flow growth is disproportionate to the width of the fan. The simplest fans with a flat front disc have optimum performance at widths of about of the diameter of the blade system. For smaller widths, efficiency also falls off rather quickly, which is already related to a suboptimal relationship between the inlet diameter and the width of the fan.



2) Carbon Dioxide :
The major contributor to CO2 emissions is the cement industry. An estimated 5% of all CO2 emissions are attributed to the cement sector. CO2 is created as a result of fuel combustion and the decarbonization of raw materials. The use of fuel, transportation, and energy from production to disposal are additional sources of CO2 emissions. Global climate change, other respiratory conditions, and human asthma attacks are all caused by CO2. The neurological and cardiovascular systems are also harmed by CO2.



3) Nitrous Oxide :
Nitrogen dioxide is created by thermal oxidation at temperatures between 1200 and 1600 degrees Celsius. The nitrogen oxide family includes nitrogen dioxide, nitric acid, nitric oxides, nitrates, and nitrous oxides. Due to its varied family of compounds, nitrogen oxide is accountable for a wide range of negative effects on people and the environment. Numerous acidic compounds are produced during the reaction between nitrogen dioxide and water. It is challenging for aquatic creatures to thrive when lakes and water streams become acidic due to these acidic compounds. It is also responsible for the increase in global temperatures. Breathing in the smog produced by NOx leads to respiratory diseases. It results in chronic lung conditions and breathing problems.

4) Volatile organic compounds (VOCs) :

Incomplete combustion during the industrial process results in the production of VOCs. VOCs contribute to the creation of ozone and soil and water pollution. Plant growth is slowed by it. In addition to headaches, nausea, and damage to the liver, kidneys, and central nervous system, humans often endure the irritation of the respiratory tract, eyes, and skin.

How to Reduce Air Pollution in the Cement Sector?

Several Air Pollution Control Devices (APCDs) are used in the cement industry to limit the release of dust and other pollutants into the atmosphere. The type of dust collectors you use is determined by the gases' temperature, moisture content, flow rate, dust loading, and particle size.
- Process control optimization methods can cut nitrogen emissions by up to 30%.

- SO2 emissions can be reduced by oxidising the kiln's atmosphere and maintaining stable operation, as well as by lowering SO2's volatility at lower flame and combustion temperatures.

- To reduce particle emissions, kilns can use electrostatic precipitators.

- Using the right fuels and raw materials can reduce emissions of NO2, SO2, heavy metals, or volatile organic compounds (VOCs). However, some fuels and raw materials may contain considerable amounts of nitrogen, sulphur, heavy metals, or organic compounds.

Utilizing

Industrial Fans in Cement Industry

to Reduce Air Pollution

Industrial fans have long been utilised as tools to reduce air pollution. The air pollution management system for industrial fans in the cement sector is very straightforward.

Through input ducts with directing vanes, the raw gas is introduced into the filter compartments where it is distributed equally among the filter bags. This design results in a downward gravimeter gas flow along the filter bags, which precipitates the dust into the hopper below. Unlike filters, which allow raw gas to enter through dampers placed in the hoppers, the flexible industrial fan's construction prevents the creation of excessive can velocities (or vertical, upward gas flow). High gas velocities during online cleaning cycles prevent minute material from accumulating in the hoppers. The clean gas leaves the bag at the top after being filtered by the cloth from the outside-in raw gas.

We are also known as

manufacturers of fans and blowers

for cement operations as an experienced

supplier of Air Pollution Control Equipment

and

Industrial Fans manufacturer in India

. If you have any questions about how the cement

industry uses industrial fans

to reduce air pollution.



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