Induced draft fan
Induced draft fan
Induced draft fan
FOB
I-MOQ:
1
Indlela yokuthumela:
陆运: land transport 海运: sea transport
Inani (izinto):
1
isampuli:Ukufinyelela okhokhelwayoUkuthola izinto ezitholakalayo
Imininingwane yemithombo
Imibuzo evamile
Imininingwane enzuzo
Inani (izinto):1
I-MOQ:1
Isikhathi sokuthumela:30
Indlela yokuthumela:陆运: land transport 海运: sea transport
inombela yokucaciswa:引风机
Ukubonisa umlingani
Ithuluzi elikhipha umoya elikhiqiza ingcindezi engemihle ngokujikeleza kwe-impeller ukuze ikhiphe igesi ye-flue futhi igcine ukusebenza kwesistimu ye-boiler.
Die Kern des Arbeitsprinzips und der Funktion des induzierten Zugventilators liegt darin, durch die Drehung des Laufrads einen Unterdruck zu erzeugen, das heiße Abgas aus dem Kessel abzusaugen und den stabilen Betrieb des Systems aufrechtzuerhalten. Im Folgenden ist eine spezifische Analyse:
Isebenza ngendlela
Power drive and impeller rotation: When the motor drives the impeller to rotate at high speed, the blades push the airflow to accelerate. This process is based on the working principle of the axial - flow fan, and the impeller design follows the principles of fluid mechanics (such as the airfoil theory), causing a pressure difference to occur on the surface of the blades.
Energy conversion: When the flue gas passes through the impeller, kinetic energy is converted into static pressure energy, and then further converted into the required pressure through the rear guide vane and the diffuser. The key components involved here include the front guide vane, the rear guide vane, the diffuser, etc.
Negative pressure formation and airflow control: The rotation of the impeller causes the pressure at the exhaust port to decrease (Bernoulli's principle), forming a negative - pressure area, which prompts the flue gas to be sucked in and discharged. The operating range of the induced draft fan is limited by the stall line. If it exceeds this limit, surge (periodic airflow backflow) may occur, and it is necessary to monitor and alarm through the stall measuring points.