Akụkọ

  • Selection of the diameter of the local mine ventilation duct(4)

    Nhọrọ nke dayameta nke ọwa ikuku ikuku ikuku (4)

    2. Ngwa 2.1 N'ezie Igwe ikuku Q nke ihu ngwuputa nke m bụ 3m3 / s, ikuku ikuku nke ikuku ventilashion nke m bụ 0. 0045 (N·s2) / m4, ọnụahịa ike ikuku e bụ 0. 8CNY/kwh;ọnụahịa nke 800mm dayameta nke m ventilashion duct bụ 650 CNY / PC, ọnụahịa nke m ve ...
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  • Selection of the diameter of the local mine ventilation duct(3)

    Nhọrọ nke dayameta nke ọwa ikuku ikuku ikuku (3)

    (5) Ebe, E - ike nke ikuku ventilashị na-eri n'oge ikuku, W;h - nguzogide nke ikuku ventilashion nke m, N / m2;Q - ụda ikuku na-agafe na igwe ikuku ventilashion nke m, m3 / s.1.2.3 Mine ventilashion duct ventilation ahọpụtara ...
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  • Selection of the diameter of the local mine ventilation duct(2)

    Nhọrọ nke dayameta nke ọwa ikuku ikuku ikuku (2)

    1. Mkpebi nke dayameta nke ikuku ventilashị nke akụ na ụba 1.1 M na-azụta ventilashion duct na-efu Ka dayameta nke ikuku ventilashị na-abawanye, ihe ndị a chọrọ na-abawanye, ya mere, ọnụ ahịa ịzụta nke ikuku ventilation na-abawanye.Dị ka nchịkọta akụkọ nyocha ...
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  • Selection of the diameter of the local mine ventilation duct(1)

    Nhọrọ nke dayameta nke ọwa ikuku ikuku ikuku (1)

    0 Okwu Mmalite N'ime usoro iwu ihe owuwu na igwu ala nke ogbunigwe n'okpuru ala, ọ dị mkpa ka e gwupụta ọtụtụ olulu mmiri na okporo ụzọ iji mepụta usoro mmepe na iji rụọ ọrụ ngwungwu, ịkpụ, na mgbake.Mgbe a na-egwupụta osisi, iji mee ka mkpụrụ ndụ uzuzu ore na-agbapụta ma wepụta ya.
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  • Industry pioneers in mine and tunnel ventilation

    Ndị ọsụ ụzọ ụlọ ọrụ na m na ọwara ventilashion

    Chengdu Foresight Composite Co. Ltd bụ onye na-emepụta akwa polymer na-agbanwe agbanwe na ngwongwo maka ikuku m na ọwara.Ahụhụ anya bụ onye ndu na mpaghara ahụ ekele maka nraranye ya maka ịdị mma na mmekorita ya na ndị ahịa iji mepụta ngwọta kachasị mma.Ndị a dị oke mma ve ...
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  • Ventilation Technology for High Altitude Long Distance Tunnel Construction(To be continued)

    Teknụzụ ikuku ikuku maka owuwu ọwara ogologo dị elu (A ga-aga n'ihu)

    5. Mmetụta ikuku ventilashị na-ewu na Nọvemba 27, 2009, a na-eme nyocha mmetụta ikuku maka oghere oghere ọ bụla, na mmetụta ikuku nke ihu ọ bụla na-arụ ọrụ dị mma.N'iji ihe atụ nke nọmba 10 nwere mmasị dị ka ihe atụ, ebe a na-ewu ụlọ na-eji ihu ọrụ 4 rụọ ọrụ na sa ...
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  • Ventilation Technology for High Altitude Long Distance Tunnel Construction(To be continued)

    Teknụzụ ikuku ikuku maka owuwu ọwara ogologo dị elu (A ga-aga n'ihu)

    4. Nhazi ventilashị na nhazi usoro 4.1 Isi ihe nhazi 4.1.1 omimi ihe omimi.Nkezi bụ 4.5m, na omimi mgbawa dị irè bụ 4.0m.4.1.2 Ọnụ ego mgbawa.Were 1.8kg/m3 maka igwupụta akụkụ zuru oke, na ọnụ ọgụgụ mgbawa maka otu mgbawa bụ 767kg.Ngwuputa nke t...
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  • Ventilation Technology for High Altitude Long Distance Tunnel Construction(To be continued)

    Teknụzụ ikuku ikuku maka owuwu ọwara ogologo dị elu (A ga-aga n'ihu)

    3. Nhọrọ nke ihe owuwu ventilashion maka usoro ihe owuwu dị iche iche 3.1 Ụkpụrụ nke Mwube ventilashion Design 3.1.1 Dị ka usoro ikuku ventilashion na ịdị ọcha maka ịrụ ụlọ ọwara n'ebe dị elu, na-atụle nhazi nhazi nke ịdị arọ ikuku ...
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  • Ventilation Technology for High Altitude Long Distance Tunnel Construction(To be continued)

    Teknụzụ ikuku ikuku maka owuwu ọwara ogologo dị elu (A ga-aga n'ihu)

    2. Ndụmọdụ gbasara ikuku ventilashị na ụkpụrụ ịdị ọcha maka iwu ụlọ elu dị elu na China N'ebe dị larịị, ikuku dị ntakịrị, na mkpochapụ nke igwe na-ewu ọwara na-abawanye, ma enwere ntakịrị data nyocha na nke a.N'akwụkwọ a, jikọtara ya na Gua ...
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  • Ventilation Technology for High Altitude Long Distance Tunnel Construction

    Teknụzụ ikuku ikuku maka ihe nrụpụta ọwara ogologo dị elu

    1. Nchịkọta Ọwara Guanjiao Ọwara Guanjiao dị na Tianjun County, Qinghai Province.Ọ bụ njikwa njikwa nke ahịrị ndọtị nke xining - Golmud nke Qinghai-Tibet Railway.Ọwara ahụ dị 32.6km ogologo (mgbe mbata bụ 3380m, na mbupụ mbupụ bụ 3324m), ọ bụkwa paịlị abụọ.
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  • Calculation of Ventilation Air Volume and Selection of Equipment in Tunnelling Construction(6)

    Mgbakọ nke ikuku ikuku ventilashị na nhọrọ nke akụrụngwa na Tunneling Construction (6)

    6. Nlekọta nchekwa nchekwa 6.1 Mgbe ị na-eji ikuku ventilashị, a ga-edobe mkpuchi nchebe na ntinye ikuku nke ikuku ventilashion iji gbochie uwe, osisi osisi, wdg na-adọta n'ime fan ma merụọ ndị mmadụ ahụ.6.2 Igwe ikuku ventilashị kwesịrị ịkwado ya na mkpuchi iji gbochie ...
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  • Calculation of Ventilation Air Volume and Selection of Equipment in Tunnelling Construction(5)

    Mgbakọ nke ikuku ventilashị na nhọrọ nke akụrụngwa na Tunneling Construction (5)

    5. Njikwa teknụzụ ventilashị A. N'ihi na ikuku ventilashị na-agbanwe agbanwe na ikuku ventilashị na-eme ka eriri igwe na-eme ka waya ígwè, ogologo nke ọ bụla duct kwesịrị ịbawanye nke ọma na ọnụ ọgụgụ nke nkwonkwo ga-ebelata.B. Melite usoro njikọ duct ventilashion nke ọwara.Ndị ọrụ...
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