Kriterji tal-Għażla Għall Range Hoods

1. Rata ta 'l-exhaust tad-duħħan

L-ewwelnett, agħżel dik b'rata għolja ta 'emissjoni tad-duħħan. Id-dħaħen tal-kċina jistgħu jikkawżaw ħsara lis-sistema respiratorja tal-bniedem. Skont id-dejta, l-imwiet minn mard respiratorju jammontaw għall-ewwel kawża tal-mewt fiċ-Ċina. L-avvelenament tal-fluworidu tat-tip nugrufun-u l-avvelenament tal-arseniku saru mard endemiku tar-residenti f'xi żoni. L-iskop tal-installazzjoni ta 'barnuża tal-firxa huwa li tneħħi d-dħaħen waqt it-tisjir u tnaqqas it-tniġġis ta' ġewwa. Għalhekk, meta tagħżel mudell, l-ewwel trid tagħżel dik b'effiċjenza għolja ta 'estrazzjoni tad-dħaħen.

2. Pressjoni negattiva

Second, choose a large negative pressure. Because the greater the negative pressure of the range hood, the stronger the smoking ability. As you mentioned, the range hoods on the market are divided into flat type, semi{{0}}deep type, deep type and cabinet type, etc. They have different "negative pressure areas" due to different structures. Most deep type range hoods The negative pressure area of the hood is about 0.14 cubic meters, and its smoke exhaust efficiency is about 60 percent . The negative pressure area of the cabinet range hood is about 0.32 cubic meters, and the smoke exhaust efficiency is greater than 95 percent . However, because the cabinet type range hood adopts the form of three-sided closed, it looks luxurious without the hanging type in appearance.