
}ؓmϵyĺĿǿƻD\^еķۉmɢ_܇ghۉmȷϡȾCŷŘ˜ʡGB 16297-1996IҪ܇gۉmȡ10mg/m³c^5mg/m³ϵyOӋY}rˮضD\ۉmԣȡӲճԣؗlcQĥܷЧ^VĴĆ}
}ؓmϵyϵyOӋ
1. mcOӋPIʸwPmԴ
}ۉmҪԴMϛ_жܷʧЧz_ᘌOmc
- 픲MϿڣ*PmԴ
- mͣ]ֱֿ֣MϿڴ 200-300mmNMcpٟoЧL
- L٣1.8-2.5m/s_PmL٣ۉmݣ
- οLӋ㣺\(Q = v \times S \times 3600\)vֿLSֿڽe 15% ©Lϵ
- ײжҿڣܷ©LPm
- mͣh֣@жyжãֿNywܷg϶
- L٣1.2-1.8m/sLٱ
- ע⣺жҿ]Ɍmֽ픲γؓ
- z˿ / λӋڣgЪPm
- OӋ˿TȂOСͷmӿ_zޕrRrmܣٽ^
- LοA 500-800m³/hgЪʹão賣
- mc_J1 }ͨO 3-4 ̶mc1 MϿ + 2 жҿ + 1 zAڣ}ЕrɹùܾW
2. ܾWϵyOӋPI
ܾWBmccC ѪܡQۉme}
- ܲx
- |xQ235 rĥմɹܣۉmӲȸĥմɿL 3-5 ڟop䓹ܣġ6mm
- BӷʽmBӣ͜ʯܷ|©Lʡ5%ؓpʧ
- ӋcLٿƣ
- LԭtܣBӳmܵ12-18m/sֹۉme֧ܣBmc10-15m/scܺģ
- ʽ\(D = \sqrt{\frac{4Q}{3600 \times \pi \times v}}\)QܶLvOӋL٣
- ʾ֧L 1500m³/hL 12m/st\(D\sqrt{\frac{41500}{36003.1412}}0.12m\)x DN125 ܣ
- ܾWÃ
- ·M ֱُˮƽLȡ30m^¿ڣ
- ^ôʏ^ʰ돽 R3DֱǏpٷeǣ^ȱڿrĥմ
- ¶ȣˮƽO 1-3% ¶ȣҶжҷֹeˮeң
- Lƽ⣺ÿ֧Oքӵy늄{y{ԇr{__mc h

3. OxͣLC + mϵyܺģ
1ؓLCLCԴ͜ءĥ
- xԭtL ãLCλڳmֻ֮|Ƀ՚pĥp ǰLLC|mL~݆eĥp
- LӋ㣺\(Q_{} = (Q_1 + Q_2 + ... + Q_n) 1.15\)\(Q_1\)ȞmcL1.15 ©L + ԣϵ
- LӋ㣺\(P_{} = (P_{ܾW} + P_{m} + P_{}) 1.2\)\(P_{ܾW}\)ܾW\(P_{m}\)VK\(P_{}\)yT / ^1.2 鸻ԣϵ
- ʾܾW 800PamK 2000Pa 500Pat\(P_{}=(800+2000+500)1.2=3960Pa\)
- c|xxʽͨLCLߡmؓϵy~݆|xĥTFHT250 ĥϽӣ Ni-Cr Ͻ늙C׃lɸr{L 20-30%