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I-Diameter Yomhlahlandlela + Ububanzi Be-Remed + Uhlobo Lwe-Shank

Izivula zembobo ze-PLATO DTH zinganikeza ukunwetshwa kwembobo yezidingo ezahlukahlukene zohlelo lokusebenza lokumba isando esingaphansi emgodini, izizathu ezisukela kumakhono okubhoboza kanye namakhono wemishini kuya esimweni sendawo yokusebenza kanye nokucaciswa komsebenzi. Ngaphezu kwalokho, ama-hole openers ka-Acedrill atholakala ngemiklamo eminingana ehlukene, ngayinye engase ifaneleke kangcono kwezinye izinhlelo zokusebenza. Leli thuluzi ngokuvamile lisetshenziselwa ukusetshenziswa kwezimboni ukudala izimbobo ezinkulu kakhulu zobubanzi.

Izimbobo zokuvula izimbobo ziyizimbobo ezikhethekile ezingasetshenziswa ukunweba izimbobo ezibhorekayo ezivele zikhona. Kwezinye izimo zokusebenza kungase kudingeke ukuba kwandiswe usayizi wembobo ebhojwe ngaphambili ibe ububanzi obukhulu noma ukubhoboza izimbobo ezinkulu. Izingcezu zokuvula izimbobo zenzelwe le njongo ngokuqondile, okuyindlela ephumelelayo yokukhulisa izimbobo, yingakho izingcezu eziqanjwe ngokuthi "Isivula Sembobo". Umkhuba ovamile uhilela ukubhoboza imbobo yokuhlola encane uma kuqhathaniswa esigabeni sokuqala, futhi isigaba sesibili nesokugcina bese uqhubeka uyinweba ngezingcezu zokuvula imbobo, njengoba lokhu kungase kubangele imbobo eqondile futhi kudinge imishini enamandla kancane. Futhi izigaba ezihlukene zingasethwa ukucaciswa kokumba ngakunye ukuze kwandiswe ukuphuka nokususwa kokusika, kanye namandla okuriga. Ngaphandle kwalokho, i-torque ejikelezayo, ukuvula imbobo ye-DTH kuhilela amandla abambekayo athinta ngokuphindaphindiwe ikhanda lokubhola edwaleni noma kwenye indawo engaphansi. Isenzo esinomthelela singabhidliza idwala futhi siphinde siphoqe ukuthi lihlehle futhi likhuphuke, kusize ukukhipha imbobo. Ngakho-ke, ngaphezu kokwandisa imbobo ebhorekile, isivula-mbobo singaphinda sihlanze izinto ezingaphezulu kuso.

Ukumbiwa kwama-boreholes amakhulu kuyadingeka ezimbonini eziningi ezahlukene, njengokuhlola i-hydrocarbon, ukumba imithombo, nokumbiwa okuvundlile ukuze kwenziwe imigudu nezinye izinjongo nokunye. Ukubhoboza imbobo eyodwa enkulu kungadinga amandla akhethekile kanye nemishini emikhulu kakhulu, ngakho inqubo ngezinye izikhathi yenziwa ngezinyathelo ezimbalwa. Kwezinye izimo, usayizi omncane omncane uzosetshenziswa ukubhoboza imbobo yokuhlola. Lolu hlobo lokuzijwayeza lokumba ludinga amandla amancane kunokwenza isinyathelo esisodwa futhi lungase lubangele i-borehole eqondile. Ngemva kokuba le mbobo yokuhlola yokuqala isibhotshiwe, isivula-mgodi singasetshenziswa ukuze kunwetshwe imbobo. Esimeni esinjalo, umphumela ungaba i-borehore enembe kakhudlwana eyadalwa ngemishini enamandla amancane kunalokho obekuzodingeka ukubhoboza imbobo enkulu ekuqaleni ngokuqondile.

Izingcezu zokuvula imbobo ye-PLATO DTH ziyatholakala ngobubanzi obuphindwe kabusha ukusuka ku-130mm ukuya ku-660mm (5 1/8” kuya ku-26”) ngamadizayini amashanki ukuze alingane nezando eziningi ezidumile ze-DTH, futhi akhiqizwa ngezitayela zokucushwa ezimbalwa ukuhlangabezana nokubhola kwensimu ngayinye. izidingo. I-Acedrill isebenzisa kuphela insimbi efanele ekukhiqizeni izimbobo zokuvula izimbobo zayo, futhi ezokunikeza ihora nehora lokumba okungenazinkinga, futhi ngazo uzohlala wazi ukuthi yakhiqizwa ngekhwalithi obuyilindele. Ngaphezu kwalokho, i-Acedrills iyakwazi futhi ukusebenza nawe ukuklama ibhithi yokuvula imbobo entsha ukuze kwandiswe ukusebenza kahle ezimweni zaphansi obhekene nazo emsebenzini wakho uma kunesidingo.

I-PLATO isesimweni sokuhlinzeka amaklayenti ngezingxenye ezigcwele ezigcwele zochungechunge lwamathuluzi okumba i-DTH, okuhlanganisa izando ze-DTH, izingcezu (noma izingcezu zamathuluzi okusebenza alinganayo), ama-adaptha amancane, amapayipi okubhoboza (izinduku, amashubhu), izando namabhithi e-RC, ukubhola odongeni olukabili. amapayipi namabhentshi okuphuma kwesando nokunye. Amathuluzi ethu Okugaya i-DTH nawo aklanywe kahle futhi enzelwe izimayini, izimboni zokumba imithombo yamanzi, ukuhlola, ukwakha kanye nobunjiniyela bomphakathi.

The phansiIndlela ye- -the-hole (DTH) yaqalwa yasungulwa ukuze ibhoboze imbobo enobubanzi obukhulu iye phansi ezindaweni zokusebenza zokumba, futhi igama layo lisuka eqinisweni lokuthi indlela yokushaywa (isando se-DTH) ilandela kancane kancane iye phansi emgodini, kunalokho. kunokuqhubeka nokudla njengama-drifters ajwayelekile nama-jackhammer.

Kuhlelo lokubhoboza lwe-DTH, isando nebhithi kuwumsebenzi oyisisekelo kanye nezingxenye, futhi isando sitholakala ngqo ngemuva kwe-drill bit futhi sisebenza phansi emgodini. I-piston ishaya ngokuqondile indawo ethinta ibhithi, kuyilapho isikhwama sesando sinikeza isiqondiso esiqondile nesizinzile sebhithi yokubhoboza. Lokhu kusho ukuthi awekho amandla omthelela axegayo kunoma yimaphi amalunga entambo yokubhoboza. Ngakho-ke amandla omthelela kanye nezinga lokungena lihlala lingashintshile, kungakhathaliseki ukujula kwembobo. I-drill piston inikwa amandla wumoya ocindezelwe olethwa ngezinduku ngengcindezi yokunikezela esukela kubha engu-5-25 (0.5-2.5 MPa / 70-360 PSI). Injini elula ye-pneumatic noma ye-hydraulic efakwe phezu kwerigi ikhiqiza ukuzungezisa, futhi ukusikwa okuguquguqukayo kufinyelelwa ngokukhipha komoya ophuma esando kungaba ngomoya ocindezelwe onomjovo wenkungu yamanzi noma ngomoya ojwayelekile wemayini oqoqa uthuli.

Amapayipi okubhoboza adlulisa amandla adingekayo okuphakelayo kanye ne-torque ejikelezayo kumshini womthelela (isando) nebhithi, futhi adlulisele umoya ocindezelwe wesando kanye nezinhlamvu ezishaywayo ngokuthi umoya okhipha umoya uvunguze imbobo uyihlanze futhi uthwale ukusikwa uye phezulu. umgodi. Amapayipi okubhoboza anezelwa entanjeni yokubhoboza ngokulandelana ngemva kwesando njengoba imbobo ijula.

I-DTH drilling iyindlela elula kakhulu kubasebenzisi yokubhoboza imigodi ejulile neqondile. Ebangeni lemigodi engu-100-254 mm (4” ~ 10”), ukumba i-DTH kuyindlela evelele yokumba namuhla (ikakhulukazi lapho ukujula kwembobo kungaphezu kwamamitha angu-20).

Indlela yokumba i-DTH ikhula ngokuduma, ngokukhula kuzo zonke izingxenye zohlelo lokusebenza, okuhlanganisa imbobo yokuqhuma, umthombo wamanzi, isisekelo, uwoyela negesi, amasistimu okupholisa kanye nokubhola amaphampu okushintshanisa ukushisa. Futhi izicelo kamuva zatholwa ngaphansi komhlaba, lapho isiqondiso sokumba ngokuvamile sibheke phezulu esikhundleni sokuya phansi.

Izici eziphambili kanye nezinzuzo zokubhola kwe-DTH (ikakhulukazi qhathanisa nokubhola kwesando esiphezulu):

1.Ububanzi obubanzi bezimbobo ezinosayizi, kufaka phakathi ubukhulu bembobo obukhulu kakhulu;

2.Ukuqonda kahle kwembobo ngaphakathi kokuchezuka okungu-1.5% ngaphandle kwemishini eqondisayo, enembe kakhulu kunesando esiphezulu, ngenxa yomthelela wokuba sembobeni;

3.Ukuhlanzwa kahle kwezimbobo, kunomoya omningi wokuhlanza imbobo kusuka esando;

4.Ikhwalithi yembobo enhle, enezindonga ezibushelelezi nezimbobo zokushaja kalula iziqhumane;

5. Ubulula bokusebenza nokugcinwa kahle;

6.Ukudluliswa kwamandla okusebenzayo kanye nekhono lokumba imbobo ejulile, ngokungena njalo futhi akukho ukulahlekelwa kwamandla emajoyini ngokusebenzisa intambo yokubhoboza kusukela ekuqaleni kuya ekupheleni kwembobo, njengesando esiphezulu;

7.Idala ukulengiswa kwemfucumfucu encane, ukuphuka okuncane kancane, i-ore pass embalwa kanye nokulengiswa kwe-chute;

8.Izindleko eziphansi ezintweni ezisetshenziswayo zokubhoboza, ngenxa yezintambo zokubhola azifakwa ngaphansi kwamandla okushaya njengoba ukubhola kwesando esiphezulu nempilo yentambo yokubhoboza inweba kakhulu;

9.Ingozi encishisiwe yokubhajwa ezimeni zamadwala aphukile kanye namaphutha;

10.Izinga eliphansi lomsindo endaweni yokusebenza, ngenxa yesando esisebenza phansi emgodini;

11.Amazinga okungena acishe alingane ngokuqondile nomfutho womoya, ngakho-ke ukuphinda kabili umfutho womoya kuzoholela ekungeneni cishe kabili.