In the finishing industry, there is a real connection between safety and quality-especially in terms of spray booths, which can run the risk of causing fire if not properly maintained. Equipment for dust collection is strategically created to meet specific needs in terms of performance, including airflow velocity; fan, filter and burner capacity; and safety regarding fire prevention and operator wellbeing.
However, once the manufacturer ships the gear, installation, operator training and maintenance get to be the responsibility in the finisher. Therefore, it is advisable to give the High Quality Furniture Spray Booth and associated processes a thorough review for fire safety hazards and other incidents that could occur.
Dust Collection – There are two sides of dust collection: quality and safety. A top quality finish will be the direct reaction to adequate removal of airborne particles that could contaminate finished surfaces. This contamination causes rejects or rework of product which brings about lost profits.
It’s not just surface finish that particle build-up could affect, though. Otherwise cleaned, particles can migrate to places that operators might not have proper breathing protection, and fire turns into a real hazard. Sufficient airflow is essential.
The best reasons for fire in dust collection systems include: static electricity discharge, exothermic reaction due to chemical reaction of collected dust,
cutting or welding too near the area.
The end result is to accumulate the dust with a well-designed dust collection system that boasts a smart layout and balanced air replacement. As suggested by the National Fire Prevention Association (NFPA): “Air flow needs to be carefully considered.” Criteria for dust collection processes usually include air velocity inside the booth of 125 to 150 FPM. If properly filtered, this air may be recycled into the facility. Outdoors dilution ratios for a facility should also consider heat, off-gases, and odors from ancillary processes such as sanding or grinding.
Additionally, doors or pressurized plenums can be used to contain dust. An investment in containment is going to be reflected in less cash used on cleaning and correcting finish rejects.
Spray Finishing Systems and Booths – Mini Spray Booth have several their own specific requirements for safety and quality. First, sufficient and laminar airflow is necessary in order that the exhaust can capture overspray and pull it towards the filtration systems, which can be either a dry filter or perhaps a water wash. To remove particulate from the air, the proper filter media or chamber is important. Then, the new air supply must be not just clean, but also in the correct temperature. Modern-day coatings may also require humidity control. Not to mention, all equipment must be properly grounded.
The best fire prevention may start with knowledge of exactly what can result in a fire in a spray booth. In a conventional system, leading causes of fire include:
using spark-producing equipment including cutting, welding or grinding nearby the spray area; friction, typically brought on by overheated bearings on the exhaust fan, or by rubbing of exhaust fan blades against overspray deposits on the wall of the duct; arcing electrical equipment;
spontaneous combustion; and discharge of static electricity.
In electrostatic spray operations, leading causes of fire include: ungrounded or improperly grounded objects within the spray area, failure to totally discharge equipment before cleaning, pinhole leaks in the paint tubing to the spray gun, other causes similar to conventional systems like smoking, cutting and welding.
Most of these situations are entirely preventable, and a number of them connect with maintenance inside the spray booth, an issue called in Chapter 10 in the NFPA 33: Standard for Spray Application Using Flammable or Combustible Materials. The section covers general maintenance requirements, removing of combustible deposits, maintaining high-pressure hoses, waste containers, clothing and cleaning operations amongst other very good information.
When spray booths and finishing equipment are installed, they fulfill the criteria for a quality job the 1st time through. It’s approximately the store to keep the system clean so that it meets that perfect, first-time performance each time. The program should permit: proper airflow to get overspray in to the filters instead of on the booth floor, and proper filtration to help keep contaminants out from the air but also to avoid overspray buildup on the fan or in the exhaust duct.
For excellent prevention standards, keep Cheaper Car Spray Booth Price, change the booth filters regularly, check the fan and stack for buildup, guard against static electricity and browse the NFPA 33.
Paint Curing or Drying Ovens – Infrared and convection ovens used for paint curing or drying are another obvious fire hazard inside the shop. Again, the best recommendation is always to keep the area neat and provide adequate intake air. Remove combustible deposits, and also to eliminate the risk of spontaneous combustion, be sure you hold the correct exhaust volume and purge time. Keep solvent load inside the oven beneath the “Lower Flammability Level,” and purge the oven before startup.
Exactly the same considerations for airborne contaminants needs to be put on oven maintenance. Filtered recirculating air or filtered air seals could be critical, and both is highly recommended.
Airflow for ovens needs to have sufficient exhaust to evacuate solvent vapors and smoke. Also, analyze product conveyance and design the airflow in the oven to minimize stirring or tracking in dirt. Intake and mkmozc filters are available in many temperature ranges to suit any process.
Ovens, when used for what they are designed are for, are a very safe operation as most solvents are evaporated along with other airborne contaminants and combustible deposits shouldn’t be present. It’s very dangerous each time a convection oven is utilized for other means, like to evaporate solvents through the drum-load, harden booth filters or ‘treat’ other waste deposits.
SD Longxiang with a professional team for designing and manufacturing spray booth, we try to support the products and service packages for every customer with their customized request, we are not only supply the products, we supply are designer for your painting and spraying works, we supply the solution that helps you work smarter, save time and money and achieve outstanding results, now and in the future.
Shandong Longxiang Machinery Co., Ltd.
Address: Longyao Industrial Park, Xinzhai Township, Zhangqiu district, Jinan city, Shandong, China