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Within the finishing industry, there is a real link between safety and quality-especially in terms of spray booths, which can run the potential risk of causing fire if not properly maintained. Equipment for dust collection is strategically created to meet specific needs when it comes to performance, like airflow velocity; fan, filter and burner capacity; and safety pertaining to fire prevention and operator wellbeing.

However, when the manufacturer ships the gear, installation, operator training and maintenance end up being the responsibility in the finisher. Therefore, it is best to give the Small Paint Spray Booth and associated processes a thorough review for fire safety hazards and other incidents which could occur.

Dust Collection – There are 2 sides of dust collection: quality and safety. An exceptional finish is definitely the direct consequence of adequate elimination of airborne particles which could contaminate finished surfaces. This contamination causes rejects or rework of product which results in lost profits.

It’s not only surface finish that particle build-up can affect, though. If not cleaned, particles can migrate to locations where operators may not have proper breathing protection, and fire gets to be a real hazard. Sufficient airflow is key.

The best factors behind fire in dust collection systems include: static electricity discharge, exothermic reaction as a result of chemical reaction of collected dust,

cutting or welding too near to the area.

The bottom line is to gather the dust having a well-designed dust collection system that boasts a smart layout and balanced air replacement. As suggested through the National Fire Prevention Association (NFPA): “Air flow needs to be carefully considered.” Criteria for dust collection processes usually include air velocity within the booth of 125 to 150 FPM. If properly filtered, this air can be recycled into the facility. Outdoors dilution ratios for a facility also have to consider heat, off-gases, and odors from ancillary processes such as sanding or grinding.

In addition, doors or pressurized plenums can be used to contain dust. A good investment in containment is going to be reflected in less cash spent on cleaning and correcting finish rejects.

Spray Finishing Systems and Booths – Paint Booth Heaters have numerous their very own specific requirements for safety and quality. First, sufficient and laminar airflow is necessary so that the exhaust can capture overspray and pull it towards the filtration systems, which may be either a dry filter or a water wash. To eliminate particulate from your air, the proper filter media or chamber is important. Then, the new air supply needs to be not merely clean, but additionally on the correct temperature. Modern-day coatings could also require humidity control. Not to mention, all equipment needs to be properly grounded.

The very best fire prevention may start with knowledge of what can cause a fire in a spray booth. In a conventional system, main reasons for fire include:

using spark-producing equipment like cutting, welding or grinding nearby the spray area; friction, in most cases 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, main reasons for fire include: ungrounded or improperly grounded objects inside the spray area, failure to completely discharge equipment before cleaning, pinhole leaks in the paint tubing to the spray gun, other causes similar to conventional systems such as smoking, cutting and welding.

Many of these situations are entirely preventable, and many of them relate with maintenance in the spray booth, a concern 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 satisfy the criteria for a quality job the very first time through. It’s up to the store to maintain the device clean to ensure that it meets that perfect, first-time performance each time. The program should permit: proper airflow to obtain overspray in to the filters as opposed to on the booth floor, and proper filtration to help keep contaminants out of the air but also to avoid overspray buildup on the fan or perhaps in the exhaust duct.

For excellent prevention standards, keep Furniture Powder Painting Plant, change the booth filters regularly, look into the fan and stack for buildup, guard against static electricity and browse the NFPA 33.

Paint Curing or Drying Ovens – Infrared and convection ovens employed for paint curing or drying are another obvious fire hazard within the shop. Again, the best advice is always to remember to keep the region neat and provide adequate intake air. Remove combustible deposits, and to eliminate the chance of spontaneous combustion, make sure you possess the correct exhaust volume and purge time. Keep solvent load in the oven below the “Lower Flammability Level,” and purge the oven before startup.

The same things to consider for airborne contaminants ought to be put on oven maintenance. Filtered recirculating air or filtered air seals could be critical, and both should be thought about.

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 lower stirring or tracking in dirt. Intake and mkmozc filters can be found in many temperature ranges to fit any process.

Ovens, when used for whatever they are created are for, certainly are a very safe operation since many solvents are evaporated as well as other airborne contaminants and combustible deposits shouldn’t be present. It’s really dangerous each time a convection oven is utilized for other means, including to evaporate solvents from 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.

Contact Us:
Shandong Longxiang Machinery Co., Ltd.
Address: Longyao Industrial Park, Xinzhai Township, Zhangqiu district, Jinan city, Shandong, China
E-mail: [email protected]
Tel: 86-531-83857888
phone: +86-13964152368
Whatsapp:13964152368