Theknoloji ea Ventilation bakeng sa Kaho ea Tunnel e Phahameng e Phahameng (E tla tsoela pele)

4. Moralo oa moea le moralo oa sistimi
4.1 Mekhahlelo ea mantlha ea moralo
4.1.1 Botebo ba ho cheka. Ka karolelano ke 4.5m, 'me botebo bo sebetsang ba ho phatloha ke 4.0m.
4.1.2 Palo ea liqhomane. Nka 1.8kg/m3bakeng sa ho cheka ka botlalo, 'me palo ea seqhomane bakeng sa seqhomane se le seng ke 767kg. Ho epolloa ha lesoba la sefofane ho nka 1.8kg/m3, 'me palo ea seqhomane se le seng ke 364kg.
4.1.3 Nako ea ho ntša moea oa mosi. Ka bobeli ho epolloa ha likarolo tse felletseng le likoti tsa sefofane tse ts'oanang li nkuoe 20 min.
4.1.4 Sekhahla sa ho lutla ha moea ha likotopo tsa moea tse ka tlas'a lefatše ka limithara tse 100. Nka P100=1.0%~2.0%.
4.1.5 Ha tsela ea tsela e kenngoa moea, sekhahla sa ho lutla ha moea oa monyako oa moea ke 1.5%.
4.1.6 Lenane la tšebeliso ea moea ea enjene ea diesel ka kotopong kamora ho kenya sesebelisoa sa tlhoekiso ea khase e tsoang ke 4.0m.3/(min·kW).
4.1.7 Bophahamo. Nka bophahamo bo boholo ba kotopo joalo ka 3600m.
4.1.8 Coefficient ea tokiso ea bophahamo ba khoheli ea moea, ho nka bophahamo bo tloaelehileng ba sebaka sa kotopo sa Guanjiao joalo ka z=3600m, ka nako eo.

4.1.9 Nka coefficient ea ho hanyetsa likhohlano haufi le duct ea ventilation, ke hore, Darcy coefficient λ= 0.012~0.015.

4.1.10 Lebelo le tloaelehileng la moralo oa teraka ea ho lahla ke 10km/h, e nang le moepa o ka bang 5° kapa ha tsela e sa lekana, lebelo ke 5km/h.

4.1.11Ho hanyetsa moea oa ho kena ha moea le ho tsoa ha shaft e sekametseng. Nka No. 6 e sekametseng shaft (2808m) e le mohlala, ka mor'a hore sefate se sekametseng se kene ka sekoting se seholo, kaho e tla etsoa ka tsela ea ho kena le ho tsoa ha Lines I le II ka ho latellana, ka kakaretso ea lifahleho tse 4 tse sebetsang.

Sebaka se arohaneng sa kotopo ea moea e kenang karolong e ka holimo ea shaft e sekametseng ke 17.1m.2, pherimitha ea semicircular ke 16.96m, 'me bophara bo lekanang ke 4.03m. Sebaka sa sefapano sa kotopo ea ho ntša metsi karolong e ka tlaase ea shaft e sekametseng ke 22.0m.2, pherimitha e khutlonnetsepa ke 19.88m, 'me bophara bo lekanang le eona ke 4.43m.

4.2 Moralo le Mekhahlelo ea Ts'ebetso ea Hybrid Ventilation Scheme ho Clapboard Roadway of Inclined Shaft

Letlapa la 4 le bonts'a moralo le liparamente tsa tsamaiso ea moea o tsoakiloeng tseleng ea clapboard ea shaft e 'ngoe le e' ngoe e sekametseng. Ka mohlala, sebakeng sa 6 se sekametseng shaft, mofuta oa 125B-2110 mofuta oa counter-rotation axial flow fan o ka khethoa. Bophahamo ba moea bo entsoeng ke 1800m3/ min mme khatello eohle ke 5000Pa. , Matla a motlakase ke 2×110kW, le taolo ea lebelo la mekhahlelo e 'meli.

Letlapa la 4 Moralo oa moea oa Hybrid le liparamente tsa sistimi ea tsela e 'ngoe le e 'ngoe e chesitsoeng ea shaft clapboard

E sekametseng

shaft No.

Shaft e sekametseng

bolelele (m)

Kaho ea tataiso ea ho kena

bolelele Lho kena(m)

Kaho ea tataiso ea kantle

bolelele Lphalliso(m)

Kakaretso ea moea bophahamo ba modumo Q ka

shaft e sekametseng (m3/mets)

Moea o kenang

lebelo (m/s)

Exhaust duct

lebelo la moya (m/s)

Kakaretso ea tahlehelo ea phallo ea moea ka hare

inclined shaft h(Pa)

Fho kena Fphalliso
5 1935 965 1088 7200 7.0 5.45 1335 Q=1800m3/min, Ht=2200Pa, N=90kW Q=1800m3/min, Ht=2200Pa, N=90kW, φ=1.6m
6 2808 1312 1812 8400 8.18 6.36 1938 Q=1800m3/min, Ht=5000Pa, N=2×110 kW, φ=1.6m Q=2400m3/min, Ht=4100Pa, N=2×110 kW, φ=1.6m
8 1619 1624 547 7800 7.6 5.9 1117 Q=2400m3/min, Ht=4100Pa, N=2×110 kW, φ=1.6m Q=1500m3/min, Ht=2200Pa, N=75 kW, φ=1.6m
9 1126 1353 518 6600 6.4 5.0 777 Q=1800m3/min, Ht=2200Pa, N=110 kW, φ=1.6m Q=1500m3/min, Ht=2200Pa, N=75 kW, φ=1.4m
10 443 3272 2406 9600 9.36 7.27 306 Q=2400m3/min, Ht=4100Pa, N=2×110 kW, φ=1.6m Q=2400m3/min, Ht=4100Pa, N=2×110 kW, φ=1.6m

 

 

 

 


Nako ea poso: Jul-04-2022