绮惧搧鏂囨。
绮惧搧鏂囨。
鍖栧伐鍘熺悊缁冧範棰?/p>
浜?/p>
.
璁＄畻棰?/p>
1.
瀵嗗害涓?/p>
鐨勭洂姘达紝浠?/p>
25m3.h
-1
鐨勬祦閲忔祦杩囧唴寰勪负
75mm
鐨勬棤缂濋挗绠°�備袱娑查潰闂?/p>
鐨勫瀭鐩磋窛绂讳负
25m
锛岄挗绠℃�婚暱涓?/p>
120m
锛岀浠躲�侀榾闂ㄧ瓑鐨勫眬閮ㄩ樆鍔涗负閽㈢闃诲姏鐨?/p>
25
锛呫�傝瘯姹?/p>
娉电殑杞村姛鐜囥�?/p>
鍋囪锛?/p>
锛?/p>
1
锛夋懇鎿︾郴鏁?/p>
位
锛?/p>
0.03
锛?/p>
锛?/p>
2
锛夋车鐨勬晥鐜?/p>
畏
锛?/p>
0.6
1.
绛旀
*****
Z1
锛嬶綍
2/2
锝囷紜
P1
/蟻
锝囷紜
He
锛?/p>
Z2
锛嬶綍
2/2
锝囷紜
P2
/蟻g+鈭慔
f
锛?/p>
0
锛?/p>
锛?/p>
25m
锛岋綍
锛岋綍
锛?/p>
锛?/p>
鈭?/p>
锛?/p>
锛?/p>
锛?/p>
25
锛?/p>
锛濓紙
位脳
锝?/p>
/d脳
锝?/p>
锝囷級
脳
1.25
锝曪紳锛?/p>
/A
锛?/p>
25/
锛?/p>
3600脳
0.785脳
锛?/p>
0.07 5
锛?/p>
锛?/p>
锛?/p>
锛濓紙
锛?/p>
2脳
9.81
锛?/p>
脳
1.25
锛?/p>
7.567m
鐩愭按鏌?/p>
锛?/p>
25
锛?/p>
7.567
锛?/p>
32.567m
锛?/p>
锛?/p>
25脳
32.567脳
120 0/
锛?/p>
3600脳
102
锛?/p>
锛?/p>
2.66kw
N
杞达紳
锛?/p>
2.66/0.6
锛?/p>
4.43kw
2.(16
鍒?/p>
)
濡傚浘鐨勮緭姘寸郴缁熴�?/p>
宸茬煡绠″唴寰勪负
d=50mm,
鍦ㄩ榾闂ㄥ叏寮�鏃惰緭閫佺郴缁熺殑
危(l+le ) =50m,
鎽╂摝
绯绘暟鍙彇
位=0.03,
娉电殑鎬ц兘鏇茬嚎
,
鍦ㄦ祦閲忎负
6
m3.h
-1
鑷?/p>
15
m3.h
-1
鑼冨洿鍐呭彲鐢ㄤ笅寮忔弿杩?/p>
:
H=18.92-0.82Q2
.
锛屾澶?/p>
H
涓烘车鐨勬壃绋?/p>
m,Q
涓烘车鐨勬祦閲?/p>
m3.h
-1
,
闂?/p>
:
(1)
濡傝姹傛祦閲忎负
10
m3.h
-1
锛屽崟浣嶈川閲忕殑姘存墍闇�澶栧姞鍔熶负澶氬皯
?
鍗曚綅閲嶉噺鐨勬按鎵�闇�澶栧姞
鍔熶负澶氬皯
?
姝ゆ车鑳藉惁瀹屾垚浠诲姟
? (2)
濡傝姹傝緭閫侀噺鍑忚嚦
8 m3.h
-1
(
閫氳繃鍏冲皬闃�闂ㄦ潵杈惧埌
)
锛?/p>
娉电殑杞?/p>
鍔熺巼鍑忓皯鐧惧垎涔嬪灏?/p>
?(
璁炬车鐨勬晥鐜囧彉鍖栧拷鐣ヤ笉璁?/p>
)
绛旀
*****
鈶?/p>
-1]
危hf =位[危(l+le )/d](u
2/2)
=0.03脳
(50/0.05)(1.415
2
/2)=30.03
- 2
W=Z
2
g+危hf 1
-
H
闇�瑕?/p>
=W/g=128.13/9.81=13.06[m]
鑰?/p>
H
娉?/p>
=18.92-0.82
H
娉?/p>
>H
闇�
鏁呮车鍙敤
鈶?/p>
N=H
娉?/p>
Q
娉?/p>
蟻g/畏
蟻g/畏=
甯告暟
鈭?/p>
N
鈭?/p>
H
娉?/p>
Q
娉?/p>
N
鍓?/p>
鈭?/p>
13.746脳
10
H
娉靛悗
=18.92-0.82(8)0 . 8 =14.59
N
鍚?/p>
鈭?/p>
14.59脳
8
N
鍚?/p>
/N
鍓?/p>
=14.59脳
8/(13.746脳
10)=0.849