һ
ȡs偠tl(f)늏S(ni)ˮȡs偠tϵy(tng)еˮض^,ˮزȡ,Ҳڜy,ȡБ(yng)s,ҪȡcĘƷM(jn)ȡsM(jn)s,ȡsһҪC500-700mL/minr,Ʒȡ30-40,MA͇ИI(y)DL/T 45791Ę(bio)(zhn).
ȡsČ(do)ܾòP䓹,̼䓹ܻS~,Ʒȡ^б(do)еĽٸga(chn)Ⱦ.
˾ȡsmڜض^ߵҺw͚wȽ|(zh)ȡнY(ji)(gu)oЧʸϴʹÉLȃ(yu)c
ȡsҎ(gu)̖:
Ҏ(gu) ̖ | ܃(ni) MPa | ܃(ni)ض | se m 2 | s | |(zh) |
DN150 | <5.4 | <450 | 0.25 | 12x2 | Ͳw20# ~ |
DN200 | 0.38 | ||||
DN250 | 0.69 | ||||
DN300 | 0.92 | ||||
DN150 | <10.0 | <540 | 0.25 | 14x2 | |
DN200 | 0.38 | ||||
DN250 | 0.69 | ||||
DN300 | 0.92 |
ȡsseӋ:
1: ֪ƷsˮضȼƷijʼltȡss eʽ(A)ã
A= f x1.0029/3600tmxU (A1)
ʽ Asem2
fƷL/h
tmƽز
UwύQϵ(sh)(pܼҺʽsȡU=200
(dng)Ʒ^rÿ100^(yng)ʽ(A1)Ӌse A(ch)12.6%
2: ƽزʽ(A2)ã
tm= [( t1-T2)-(t2-T1)]/[L( t1-T2)/(t2-T1)] (A2)
ʽ tmƽز
t1sM(jn)ژƷض
t2sM(jn)ژƷض
T1sM(jn)sˮضȣ
T2ssˮض
3: sܿһMseBm(x)Pܘ(gu)ҲɃɽMɽM ϵĶMBm(x)
ȡsӆ؛f:
1:עȡ߀ˮȡ
2:s܃(ni)ĹcƷM(jn)ڜض
3:һx͞DN200DN250ɷN̖
4:ǷMʽ