N'oge na-adịbeghị anya, Tyhen Foundation's low headroom KR300ES rotary drilling rig sonyere na owuwu nke Guangzhou-Baiyun District Jingguang High-Speed Rail Line 5 oru ngo.
Dị ka ebe njem njem maka usoro ụgbọ okporo ígwè obodo Guangzhou, Baiyun Station bụ ọdụ ụgbọ elu mbụ arụrụ n'usoro atụmatụ atụmatụ ụgbọ njem ọgbara ọhụrụ na Guangzhou. Ọrụ a gụnyere iwu nke ọdụ ụgbọ elu Guangzhou Baiyun ọhụrụ, yana mmepe nke akụrụngwa metụtara ya dị ka ebe nchekwa ụgbọ ala Dalang na njikọ okporo ụzọ ụgbọ oloko. A na-eme atụmatụ ịrụcha ọrụ a na 2023.
KR300ES Low headroom rotary drilling rig na-ewu ụlọ nke Guangzhou elu-ọsọ ụgbọ okporo ígwè ikpo dayameta nke 1000mm, ikpo omimi n'etiti 28 ~ 33 mita, geological ọnọdụ bụ mgbagwoju: tumadi ndochi (tumadi backfill guzobe, ewu n'efu ahụ buru ibu), silty ụrọ. , silt (mita 3-6, oghere dị mfe ịdaba), gravel, siltstone siri ike ihu igwe, siltstone nwere ihu igwe. N'elu backfill ala na ájá ịwụ oghere na mgbe ahụ banyere 5 mita n'okpuru tube. Mgbe ọ kụsịrị akwa ájá ájá, a na-edozi nnukwu apịtị ahụ ka ọ ghara ịwapụ mmiri. Banye n'oké nkume ahụ nke na-achọsi ike, gbanye miri emi wee jiri bọket ájá were azụ ya. N'ihe gbasara slurry ntapu n'ime obere ọgba karst, nke ahụ bụ simenti azụ azụ, ma na-aga n'ihu na-egwupụta mgbe ciment gbasiri ike. KR300ES Obere ebe a na-egwu mmiri rotary (ịdị elu nke mita 10.9) dị elu nke mita 11, nke nwere 300 kN. The nnukwu torque ike isi nke m allocates kwesịrị ekwesị apịtị ruru iji chebe mgbidi na-edozi ewu nke quicksand guzobe na ike dị ike iji melite ewu arụmọrụ nke nkume ntinye. Ọ na-edozi nke ọma nsogbu ndị a na-ezute na obere oghere, nnukwu ikpo ọkụ, omimi miri emi na nkume siri ike. Ndị na-ewu ngwa ngwa na ndị na-arụ ọrụ nke ọma na-enweta ego, merie ndị ọrụ ụlọ ọrụ na-ewu ụlọ.
A na-eji KR300ES dị ala headroom rotary drilling rig na-ewu ebe a na-arụ ọrụ ụgbọ okporo ígwè dị elu nke Guangzhou, ebe dayameta ikpo bụ 1000mm, na ikpo omimi dị site na 28 ruo 33 mita. Ọnọdụ ala ala dị mgbagwoju anya ma gụnye ihe dị iche iche dị ka ala jupụtara n'ụdị dị iche iche (ọkachasị n'ígwé azụ azụ nwere nnukwu ihe mkpofu ihe owuwu ihe owuwu), ụrọ siri ike, ájá siri ike (nke sitere na mita 3 ruo 6, ọ na-adịkarị mfe ịdaba), akwa gravel gbara gburugburu, oke ihu igwe. nkume aja, na nkume silty ihu igwe na-agafeghị oke. Maka ala dị n'elu azụ, a na-eji bọket na-ekpochapụ ájá na-emepụta ihe mkpuchi gburugburu 5 mita n'okpuru elu.
Mgbe ha rutechara akwa aja, a na-eji slurry apịtị siri ike gbochie ntinye mmiri. Mgbe ị na-ezute akwa nkume, a na-eji isi barel na-abanye n'ime ya, na-esote iji bọket na-ekpochapụ ájá na-ewepụ ihe ahụ. N'ihe banyere obere oghere ma ọ bụ ihe na-agbapụta, a na-agbanye simenti, na-egwu ala na-aga n'ihu mgbe ciment gbasiri ike.
KR300ES obere headroom rotary drilling rig, nke nwere elu nke 10.9 mita, na-arụ ọrụ n'ogo ihe owuwu nke mita 11 ma kwadebere ya na isi ike ike 300kN.m. A na-eji slurry apịtị kwesịrị ekwesị maka nchebe mgbidi, na-eleba anya n'ihe ịma aka nke ịrụ ọrụ n'ụdị ájá na-asọpụta na ịba ụba nke ihe owuwu mgbe ị na-abanye n'ígwé nkume. Rig a na-edozi nke ọma okwu ndị a na-enweta na owuwu, gụnyere ohere dị oke, dayameta ikpo ọkụ buru ibu, omimi dị ịrịba ama na ntinye okwute siri ike. Ọsọ ihe owuwu ya dị elu na arụmọrụ ya enwetala otuto otuto site n'aka ndị ọrụ ebe a na-ewu ihe owuwu, na-emecha baara ndị ahịa uru.
Oge nzipu: Ọktoba 25-2023