PLATO e boemong ba ho fa bareki likarolo tse felletseng tsa ketane ea lisebelisoa tsa ho cheka tsa DTH, ho kenyeletsoa lihamore tsa DTH, likotoana (kapa lisebelisoa tse lekanang le lisebelisoa), li-adapter tse nyane, liphaephe tsa ho phunya (lithupa, li-tubes), lihamore tsa RC le likotoana. liphaephe le libenche tsa ho phatloha ha hamore joalo-joalo. Lisebelisoa tsa rona tsa DTH Drilling le tsona li entsoe hantle le ho etsoa bakeng sa merafo, liindasteri tsa ho cheka liliba tsa metsi, lipatlisiso, kaho le boenjiniere ba sechaba.

Mokhoa oa down-the-hole (DTH) o ile oa qaptjoa ho cheka masoba a bophara bo boholo ho ea tlase lits'ebetsong tsa ho cheka ka holim'a metsi, 'me lebitso la oona le simolohile tabeng ea hore mochine oa percussion (hamore ea DTH) o latela hanyane hang-hang ka mokoting. , ho e-na le ho tsoela pele ka lijo e le li-drifters le li-jackhammer tse tloaelehileng.

Lenaneong la ho phunya la DTH, hamore le biti ke ts'ebetso ea mantlha le likarolo, 'me hamore e fumaneha ka morao ho sekoti sa ho phunya mme e sebetsa ho theosa le lesoba. Piston e otla ka kotloloho karolo e ts'oarellang ea karoloana, ha mokotla oa hamore o fana ka tataiso e otlolohileng le e tsitsitseng ea karolo ea boro. Sena se bolela hore ha ho matla a ts'usumetso a hlephileng ka manonyeletso ho hang a khoele ea boro. Ka hona matla a ts'usumetso le sekhahla sa ho kenella se lula se le teng, ho sa tsotelehe botebo ba sekoti. Piston ea ho phunya e tsamaisoa ke moea o hatelitsoeng o fanoang ka lithupa ka khatello ea phepelo e tlohang ho 5-25 bar (0.5-2.5 MPa / 70-360 PSI). Enjene e bonolo ea pneumatic kapa hydraulic e kentsoeng ka holim'a rig e hlahisa ho potoloha, 'me li-cuttings tse phunyeletsang li finyelloa ka moea o tsoang ho hamore ebang ke ka moea o hatelitsoeng ka ente ea moholi oa metsi kapa ka moea o tloaelehileng oa morafo o nang le lerōle.

Liphaephe tsa ho cheka li fetisetsa matla a hlokahalang le torque ea ho potoloha mochineng oa tšusumetso (hamore) le biti, hammoho le ho fetisa moea o hatelitsoeng bakeng sa hamore le li-cuttings tsa flush ka hore moea oa ho tsoa o phunyeletsa lesoba ebe oa le hloekisa ebe o phahamisa li-cuttings. lesoba. Liphaephe tsa ho phunya li kenngoa khoeleng ea ho phunya ka tatellano ka mor'a hamore ha lesoba le ntse le teba.

Ho phunya DTH ke mokhoa o bonolo haholo bakeng sa basebetsi bakeng sa ho cheka mekoti e tebileng le e otlolohileng. Ka mokoting oa 100-254 mm (4" ~ 10"), ho phunya DTH ke mokhoa o ka sehloohong oa ho phunya kajeno (haholo-holo ha botebo ba lesoba bo feta limithara tse 20).

Mokhoa oa ho cheka oa DTH o ntse o eketseha ka botumo, ka keketseho ea likarolo tsohle tsa ts'ebeliso, ho kenyeletsoa sekoti sa ho phatloha, seliba sa metsi, motheo, oli le khase, lisebelisoa tsa ho pholisa le ho cheka lipompo tsa phapanyetsano ea mocheso. 'Me likopo li ile tsa fumanoa hamorao bakeng sa ka tlas'a lefatše, moo tataiso ea ho cheka hangata e ea holimo ho e-na le ho ea tlase.

Likarolo tsa mantlha le melemo ea ho cheka ha DTH (haholo-holo bapisa le ho cheka hamore e holimo):

1.Wide mefuta e fapaneng ea boholo ba masoba, ho akarelletsa le bophara ba lesoba le leholo haholo;

2.Ho otloloha ha lesoba ka mokhoa o babatsehang ka hare ho 1.5% ho kheloha ntle le lisebelisoa tse tataisang, tse nepahetseng ho feta hamore ea holimo, ka lebaka la tšusumetso e teng ka sekoting;

3.Ho hloekisa sekoti hantle, ka moea o mongata bakeng sa ho hloekisa lesoba ho tloha hamore;

4.Boleng ba sekoti bo botle, bo nang le marako a boreleli le a sekoti bakeng sa ho tjhaja habonolo ha liqhomane;

5.Bonolo ba ts'ebetso le tlhokomelo;

6.Tsamaiso e sebetsang hantle ea matla le matla a ho phunya lesoba le tebileng, ka ho kenella kamehla le ho se lahleheloe ke matla manonyeletsong ka khoele ea ho phunya ho tloha qalong ho fihlela qetellong ea sekoti, joalo ka hamore e ka holimo;

7.E etsa hore ho fokotsehe ha lithōle, ho robeha ho se hokae, ho fokotsehe ha ore pass le li-chute hang-ups;

8.Litsenyehelo tse tlase tsa lisebelisoa tsa li-drill rod, ka lebaka la khoele ea ho phunya ha li laoloe ke matla a maholo a percussive joalo ka ha ho phunya hamore e holimo le bophelo ba likhoele tsa ho cheka li lelefalitsoe haholo;

9.Kotsi e fokotsehileng ea ho khomarela maemong a mafika a robehileng le a fosahetseng;

10.Boemo bo tlase ba lerata sebakeng sa mosebetsi, ka lebaka la hamore e sebetsang ho theosa le lesoba;

11.Litekanyetso tsa ho phunyeletsa li batla li lekana ka ho toba le khatello ea moea, kahoo ho imena habeli khatello ea moea ho tla fella ka ho kenella hoo e ka bang habeli.

Khatello e tlase ea Moea DTH Drill Bit

Khatello e Bohareng ea Moea DTH Drill Bit

Khatello e Phahameng ea Moea DTH Drill Bit

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