Primary air system pipeline device convenient to mount
A fresh air system and pipeline installation technology, which is applied in the direction of ventilation system, pipeline layout, air conditioning system, etc., can solve the problems of time-consuming and labor-intensive installation of exhaust fans, short service life, damage to building exterior walls, etc., to achieve convenient and fast installation and time-saving installation Labor saving and long service life
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[0040] The technical solutions of the present invention will be described in detail below with reference to the drawings and specific embodiments, so as to understand the essence of the present invention more clearly and intuitively.
[0041] Reference figure 1 And combine figure 2 and image 3 Shown
[0042] The present invention provides a convenient installation of a fresh air system duct device, which includes an exhaust assembly 10 penetrating through the wall and inserted into the wall laterally to discharge indoor air to the outdoors;
[0043] The exhaust assembly 10 includes a stainless steel exhaust duct 101, a primary exhaust fan 102, a noise reduction duct A103 and an exhaust coarse screen 104; the air inlet end of the exhaust duct 101 is flush with the inner wall end surface Flat, the air outlet end is flush with the outer end surface of the wall, and the inner wall of the air inlet end of the exhaust duct 101 is provided with a concave step A1011; the first-stage exhaus...
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