Screw compressor
A screw compressor and screw technology, applied in mechanical equipment, machines/engines, liquid fuel engines, etc., can solve the problem of limited setting range of the liquid supply port, and achieve the effect of expanding the settable range
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Embodiment 1
[0047] use figure 1 , figure 2 , image 3 , Figure 5 , Figure 6 , Figure 15 Example 1 will be described. This embodiment relates to a liquid-supply screw air compressor. In the description of this embodiment, the same reference numerals will be assigned to the same parts as those described above.
[0048] In this example, image 3 The shown male screw rotor 2 and female screw rotor 3 respectively adopt figure 1 The male screw rotor 21 with variable pitch and the female screw rotor 22 with variable pitch are shown in the ratio figure 1 A drilled liquid supply port 27 is provided on the surface C shown near the side of the discharge end surface. The male screw rotor 21 with variable pitch and the female screw rotor 22 with variable pitch are screw rotors in which the pitch increases from the suction end surface to the discharge end surface, that is, in the axial direction of the screw rotor.
[0049] Figure 5 (a) means from figure 2 The diagram of the male screw ...
Embodiment 2
[0071] use image 3 , Figure 7 , Figure 8 , Figure 9 , Figure 10 Example 2 will be described. This example relates to the liquid supply type screw compressor similarly to Example 1, and the same code|symbol is attached|subjected to the same part as Example 1, and it demonstrates.
[0072] In this example, image 3 The male screw rotor 2 and the female screw rotor 3 shown respectively use a male screw rotor 21 with a variable pitch and a female screw rotor 22 with a variable pitch, such as Figure 7 As shown, a jet impingement nozzle 28 is provided on the discharge end surface side of the surface C.
[0073] About the use of jet impingement nozzles Figure 8 Be explained. exist Figure 8 A cross-sectional view of the jet impinging on the nozzle is shown in . At the end of the liquid supply port 14, the first jet port 29 and the second jet port 30, which are smaller than the liquid supply port 14, are connected with each other at an angle of inclination θ, and the ...
Embodiment 3
[0083] use figure 2 , image 3 , Figure 11 , Figure 13 , Figure 16 The configuration of this embodiment will be described. In addition, the same code|symbol is attached|subjected to the same part as above, and it demonstrates.
[0084] In this example, image 3 The shown male screw rotor 2 and female screw rotor 3 respectively adopt Figure 13 The male screw rotor 32 with variable pitch and the female screw rotor 33 with variable pitch are shown in the ratio Figure 13 The surface D shown is provided with a drilled liquid supply port 27 on the side close to the suction end surface.
[0085] The male screw rotor 32 with a variable pitch and the female screw rotor 33 with a variable pitch are screw rotors in which the pitch decreases from the suction end surface to the discharge end surface.
[0086] Figure 11 (a) means from figure 2 The diagram of the male screw rotor 32 with variable pitch and the female screw rotor 33 with variable pitch observed in direction ...
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