Axial flow type jet fan
A technology of jet flow fan and axial flow fan, applied in axial flow pumps, mechanical equipment, non-variable pumps, etc., can solve the problems of unsatisfactory fire extinguishing effect and low working efficiency of fire extinguishing fans, and achieve light weight, simple structure, The effect of high work efficiency
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[0032] Examples:
[0033] Combine Figure 1-Figure 5 As shown, this embodiment provides an axial flow jet fan, which includes a small power source, a housing 5, a conical wind tube 6, a gear box, and a two-stage axial flow fan assembly 100;
[0034] The small power source is arranged outside the housing 5, the gear box is installed at the air inlet of the housing 5, and the input shaft of the gear box is in transmission connection with the small power source;
[0035] The conical air duct 6 is installed at the air outlet of the housing 5, and the conical air duct 6 is provided with a guide cone, and the guide cone and the two-stage axial flow fan assembly 100 connection;
[0036] The two-stage axial flow fan assembly is arranged inside the housing 5. The two-stage axial flow fan assembly includes an inlet rectifying grid 8 and a first moving impeller 9 which are sequentially installed on the output shaft of the gear box. , The first guide vane 10, the second moving impeller 11, the ...
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