Types of Smoke, Dust and Mold Extraction Systems

Smoke, dust and mold are three of the most common indoor air pollutants that can affect your health. They can cause allergies, irritate respiratory tracts and trigger asthma attacks.

This Levoit Core air purifier has a color-changing display that shows an exact air quality reading. The app provides more in-depth insights, and it’s easy to schedule different fan speeds and modes.

WeldFil® Welding Smoke Extraction Units

Welding fumes contain hazardous gases, which can be damaging to the lungs and heart. Extraction systems can pull these dangerous substances away from your workers, keeping them healthy and safe at work.

Central or general ventilation solutions use a high volume ambient air cleaning approach, often positioned over welding benches or integrated into the workspace. A more efficient alternative is close or at-source extraction with welding fume extraction arms, a solution that Nederman offers in a variety of designs. These flexible arms allow for easy positioning to fit many applications.

For instance, oxy-fuel, air carbon arc gouging and plasma cutting processes produce fume particulate that is hazardous to the lungs. These particulates can be captured from the cutting table with grates or through on-torch fume extraction at each individual torch. On-torch extraction systems are available as mobile single user units or for multiple users in a central system.

Besides ensuring clean hall air for employees, Aebi Schmidt was determined to ensure its welding process could operate without interruptions and with the required flexibility in production. In the end, Kemper recommended the VacuFil 250 high-vacuum extraction unit that integrates with the welding torch to remove hazardous fumes directly at their source.

As a result, welders automatically carry the extraction system with them wherever they work – no need to position an extra extraction arm around the welding station. The system reliably extracts welding fumes and dust from the welder’s breathing zone through an extraction nozzle in the torch.

The system separates harmful particles from the extracted air and returns the purified air to the outlets. This helps to keep the concentration of hazardous substances within the permissible limits, even during welding operations that exceed the maximum legal allowance.

Extraction torches are becoming more and more popular with welders, as they offer the best possible protection for the lungs. They can be used to protect against both ozone and nitrogen oxides, both of which are known for their lung-damaging and carcinogenic properties, as well as carbon monoxide and other toxic gases generated during metal central smoke anddust purification inert gas (MIG) or metal active gas welding processes. Extraction torches can be individually adjusted for each welding process, as the capacity of each device depends on various torch parameters.

Centrifugal Dust Collectors

Centrifugal dust collectors, also known as cyclone separators, remove the heavier, coarse particles from the air stream. They work as mechanical inertial separators by directing an intense circular airflow, creating a vortex, into a hopper chamber. The force of the centrifugal or cyclonic action throws heavy, coarse particles against the outer wall and toward the bottom of the hopper where they fall into collection bins that are positioned at the bottom of the cyclone. Because of their effectiveness in removing the larger particles from the air stream, they are often employed as pre-cleaners for larger baghouse filtration systems.

They are highly beneficial in workplace environments that generate large amounts of coarse, fibrous and volatile dust during production processes. This includes woodworking, masonry, metal fabrication, grinding, sanding and blasting operations as well as pharmaceutical and post-flood/fire restoration facilities.

Industrial dust and smoke filtration systems are designed to meet strict workplace safety and environmental regulations. To achieve this, they must be effective in reducing and filtering the harmful particles that can be released into the air during manufacturing or production processes. These air pollutants are dangerous to humans and can damage equipment and facility structures.

The various types of dust and fume collectors include inertial separators, fabric filters, wet scrubbers, unit collectors and electrostatic precipitators. Depending on the type of pollution and its source, the best dust collection system is selected.

In addition to removing hazardous air particles, these systems also capture harmful gases and vapors that can be inhaled or released into the air during manufacturing processes. They are essential to a wide variety of industries such as pharmaceutical, aerospace, medical and industrial manufacturing.

Portable dust collection systems maintain the air quality in workshops, plants, warehouses and other commercial or industrial spaces by capturing contaminated air particles and removing them from the facility environment through a series of filters. This process helps to keep workers safe and prevents costly repairs or replacements to equipment and buildings. They are used in a wide range of plant and production facilities such as those involved in carbon machining, metal fabrication, woodworking, ceramics and pulp and paper processing, cement grinding, welding and composite manufacturing.

HEPA Filtration Systems

HEPA filters are designed to trap airborne contaminants at a level far below what human lungs can filter. A HEPA filter can trap particles down to 0.3 microns in size and is usually made from randomly woven fiberglass fibers. This type of filter is used in clean rooms and laboratories, where it is critical to keep harmful microorganisms from spreading. HEPA filters are also used in hospitals and other health care facilities to protect patients from pathogens and infectious diseases.

A HEPA filter works by utilizing three different methods to capture particles. Direct impaction is when larger contaminants, such as dust and mold spores, are unable to avoid fibers by following their curving contours in the air flow and collide directly with them; they stick to these fibers. Interception is when the airflow carries a particle between two fibers and it is caught between them. Diffusion is when smaller particles move erratically and hit fibers randomly, sticking to them.

In addition to capturing large particulate, true HEPA filters are also capable of removing gases and other vapors from the air. This is because they are usually constructed from materials that have been treated to reduce bacterial growth and increase their ability to retain moisture. This includes the use of anti-microbial agents and anti-fungal treatments.

Many filtration systems combine a HEPA filter with a pre-filter, which is capable of catching the bulk of large dust, hair, PM10 and pollen particles. This reduces the load on the more expensive HEPA filter and extends its life.

True HEPA filters are designed to meet specific performance standards, which are based on the particle size that they can trap. The higher the MERV rating, the better the filter is rated. Most air filtration systems measure how much they clean by evaluating their capacity to remove pollutants measured in cubic feet per minute (CFM) and Clean Air Delivery Rate or CADR.

HEPA filters are a key component in cleaning central smoke anddust purification air in warehouses, where items are stored for long periods of time. This can create a stagnant environment that contains airborne chemicals, bacteria, and other harmful substances. A warehouse HEPA system can help reduce the buildup of these contaminants and provide a safe working environment for employees and customers.

Pre-Filters

Pre-Filters are used in many types of air purification equipment and systems. They are an important first line of defense and help protect your more expensive, main filter from large particulates that could clog or damage it. They are also more cost-effective than HEPA filters since they can be used several times before needing to be replaced.

Air pre-filters are made from inexpensive materials such as cotton, cellulose, or plastic and can be washed or vacuumed to remove dust and dirt. They are often referred to as pre-filters because they come before the main filter in an air purifier.

Pre-filters are used in HVAC, furnaces, or ventilation systems to block out airborne pollutants in homes, offices, and public spaces. They can also be found in a variety of devices, such as masks, respirators, speakers, and laptops, to reduce the amount of dust that enters.

When air passes through a pre-filter, it is charged electrically by the high voltage between the wires in the filter and ionized. This makes the dust and pollen more easily captured by collecting plates in the filter. The collected particles are then either shaken loose, scraped off, washed away, or blown off the filter by fans.

Most pre-filters are washable, and it is a good idea to clean them on average between 2-4 weeks and once a month if possible. Cleaning the pre-filter helps extend its life and prevent it from becoming too dirty.

While a HEPA filter is recommended for most residential and commercial applications, other filters such as carbon or activated charcoal can be used in conjunction with a pre-filter to eliminate specific odors in a room.

Air Filters Australia provides a range of quality HEPA and carbon air pre-filters. For more information about our products or to purchase online, please contact us. We are happy to answer any questions you may have. We can provide samples to try before purchasing, as well. We offer two sizes of pre-filters to ensure you get the right one for your system: junior and standard. They are the same size as the filters in the Healthmate, Baby’s Breath, Pet Machine, and Allergy Machine.