N'oge na-adịbeghị anya, KR90A rotary drilling rig nke Tyhen Foundation na-arụ ọrụ nkwado ntọala ụlọ ọrụ nke Luoyang, Henan Province. A na-akọ na geology bụ backfill nke nkume na silt, ntọala ntọala ga-eme ka cracks na-emetụta nchekwa nke surfill ewu. Usoro na saịtị ọrụ na-agụnye mbụ grouting mejupụta cracks na backfill gaps na strata, sochiri na-eji ike gwụrụ ikpo mkpọpu ihe ike a ntọala nkwado maka ọhụrụ elu Ọdịdị, n'ikpeazụ nweta ihe mgbaru ọsọ nke ala mkwado.
Ihe isi ike nke ọrụ a bụ:
1. Ewu na ụlọ ọrụ mmepụta ihe na ịdị elu dị elu 12 m, ebe a na-ewu ụlọ dị warara, nkwụsị nke 600mm na omimi omimi 20 ~ 25m.
2. The geology bụ tumadi backfilling silt, nnukwu na ọtụtụ nkume, otú oghere dị mfe daa.
3. Simenti slurry nke a na-agbanye n'ime mgbawa na oghere na-eme ka ike ghara isi ike n'oge a na-egwupụta ihe, na-eme ka ọ bụrụ ihe na-adịghị mma. Iji dozie ihe ịma aka ndị a, ndị injinia sitere na Tyhen Foundation chepụtara ụzọ ọrụ aka. Ha họpụtara ndị ọrụ nwere nkà wee tinye uru nke KR90A rotary Drilling rig, na-eji nchikota nke ájá okpukpu abụọ na isi mgbapu mmiri. Ụzọ a mere ka ha nwee ike ịchịkwa nrụgide nke rig ma jiri uru ya dị elu, na-abanye n'ime eriri azụ azụ. N'ihi nke a, e belatara ụgwọ ọrụ ihe owuwu maka onye ahịa, na-enweta otuto otu ọnụ site n'aka ndị isi ọrụ ahụ.
Tysim KR90A rotary drilling rig nwere injin 86kW, dị tọn 25, ma nwee ike igba oghere nwere dayameta sitere na 400mm ruo 1200mm, nke nwere oke omimi ruru mita 28. A na-eji ihe owuwu dị fechaa rụọ igwe ahụ, nke na-eme ka injin ahụ na-eri obere ike n'ihi oke ibu ya. N'okpuru ọnọdụ ihe owuwu ihe nhata, ọtụtụ n'ime ike dị irè nke injin ahụ na-arara nye ọrụ mgbapu. Na mgbakwunye, mkpanaka mkpọpu ejiri na rig dị fechaa, na-enye ohere maka mbuli elu na iwetulata ọsọ ruru 75m/min n'okpuru otu ọnọdụ nchekwa. Ọsọ ntụgharị nke rig nwere ike iru 5r/min, na isi ike nwere ike ịtụgharị ngwa ngwa na 8-30r/min. Nhazi a na-eme ka ntinye ala ngwa ngwa, oriri mmanụ dị ala, yana ịrụ ọrụ dị elu.
Oge nzipu: Ọktoba 26-2023