How To Repair Leaky Hvac Condensate Pan
Kitchen exhaust cleaning (often referred to every bit hood cleaning) is the procedure of removing grease that has accumulated inside the ducts, hoods, fans and vents of exhaust systems of commercial kitchens. Left uncleaned, kitchen exhaust systems eventually accumulate plenty grease to become farthermost burn down hazards.[1] [2] Exhaust systems must exist inspected regularly, at intervals consistent with usage, to determine whether cleaning is needed before a dangerous amount of grease has accumulated.
Cleaning processes [edit]
The exhaust system is beginning scraped clean; sometimes scraping isn't necessary if the grease exhaust system has been maintained properly chemic and hot h2o, and then washed clean with food-safe caustic chemicals and hot water force per unit area-washing where possible to safely collect the dissolved grease and water. The actual commercial kitchen exhaust system cleaning guidelines are outlined in the National Fire Protection Clan (NFPA). The cleaning frequency depends on the type of food being cooked and book of grease laden vapors drawn up through hood plenum. For example, one church may require less servicing because they use the arrangement 10 times a yr, while some other church building would require more frequent attention because they have a weekly Fri night fish fry. Typical cleaning intervals are monthly, every two months, quarterly, semiannually and annual.
Caustic chemicals [edit]
Caustic chemicals can exist applied to break down the grease. Later on that, hot water can be used to rinse abroad the remainder. Chemicals are generally applied with either a garden-type sprayer, downstream injection through a pressure washer or with a chemical foamer.[3]
Once the chemicals are applied, they are allowed to dwell on the surface of the grease for a period of time, before existence washed off of the surface with hot water. In extreme situations, where grease buildup is too heavy for a chemical awarding and a rinse, scrapers may be used to remove excess buildup from the contaminated surfaces, earlier chemicals are applied.[4]
Hot water pressure-washing [edit]
Machines tin can be used that both boil water and and then utilize this water under pressures upwards to 2,000 pounds per square inch (14,000 kPa). In a common method of grooming, heavy-duty tarps are outset clipped to the hoods and then angled into plastic garbage cans to catch the run-off. Every bit the cans are filled the contents are disposed of successively. The grease should be removed rather than just emptied into the local drains to avoid bottleneck. Some problems that tin can arise from improper horizontal duct cleaning include excessive grease buildup up in inaccessible ductwork. Steam cleaners tend to motility the grease further in to the grease duct work, which tin can cause massive grease accumulations in areas of the duct piece of work between the hood and fan on the roof. Companies using hot water methods should be using a caustic chemical degreaser to interruption down grease, so that the build up in inaccessible areas becomes removed past flushing the system with both hot water and caustic degreaser agents.
Finishing [edit]
Cleaners often shine hoods for easier cleaning and improved appearance. Cleaners apply a certification sticker to the hood of each cleaned kitchen exhaust system to enable the authority having jurisdiction besides every bit insurance adjusters and health inspectors to check for compliance with the local, county and state fire codes. Vinegar and warm water can exist used to remove any white rest left from the commercial kitchen grease cleaning process.
Regulation [edit]
Many jurisdictions have adopted this nations minimum bachelor standard, National Burn down Protection Association Standard 96, Standard for Ventilation Control and Burn Protection of Commercial Cooking Operations,[5] [6] and crave compliance to it past Kitchen Exhaust Hood Cleaners and operators of commercial kitchens.
Industry teaching [edit]
A properly cleaned kitchen exhaust duct.
Several associations have been formed to educate kitchen exhaust cleaners on the provisions of NFPA 96 standard and on the best standards and practices for kitchen frazzle cleaning. Among these are:
- International Kitchen Exhaust Cleaners Clan
- Ability Washers of Due north America
- Certified Hood and Duct Cleaners Association
References [edit]
- ^ "Boston fire'southward fuel evidently missed". Firerescue1.com. 2007-09-07. Retrieved 2013-12-01 .
- ^ "3D FIREFIGHTING - LATEST NEWS". Firetactics.com. 2007-08-29. Archived from the original on 2022-04-06. Retrieved 2013-12-01 .
- ^ "Cleaning to a higher standard". IKECA. 2022-10-03. Retrieved 2013-12-01 .
- ^ "Cleaning to a higher standard". IKECA. 2022-10-03. Retrieved 2013-12-01 .
- ^ "NFPA 96: Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations: Most the Codes". Nfpa.org. Retrieved 2013-12-01 .
- ^ "NFPA 96: Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations". Nfpa.org. Retrieved 2013-12-01 .
Source: https://en.wikipedia.org/wiki/Kitchen_exhaust_cleaning
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