鉆孔套管 的英文怎麼說
中文拼音 [zhēnkǒngtàoguǎn]
鉆孔套管
英文
borehole casing-
Special thermowell is manufactured from drilled bar stock to withstand pressure morethan 6. 4mpa, together with convenience in installation for movable connector
特製套管帶活動連接頭，安裝方便，整體鉆孔縮徑式套管結構，耐壓6 . 4mpaSeries of high pressure thermocouples thermalresistances and thermowells, the thermocouple take the form of spring - loaded, of which protective tube and flange are forged of special alloy, as well the thermowell are formed with bar stock drilled. more further, theconnecting between thermowell and flange can be compressed with tapered thread and the groove at the lower end of flange can be welded with argon arc. these thermocouples are usually used in high equipments of hydrogen cracking device, cracker and vaporizer etc for pressure - resistant in over 30 mpa, operating temperature from 0 up to 800
系列高壓熱電偶阻及套管，熱電偶採用彈簧壓著式，保護套管和法蘭選用特殊合金材料鍛造，套管採用棒料整體鉆孔加工而成，與法蘭連接處以錐管螺紋配合併與法蘭下端渠槽處用氬弧焊接，耐壓30mpa ，使用溫度0800 ，可長期使用在加氫裂化裝置裂解裝置，氣化爐等高壓設備中。Till now we have owned a full set of glass processing line : from automatic glass tube cutting smoothing, supersonic notching, glass sanding to final shaping. also we have our own hand - blown workshop for lampshade and christmas colorful balls
裝飾。目前已擁有成套先進的玻璃加工設備，並形成了比較完善的工藝流程，從玻璃管自動切割與燒口，超聲波鉆孔，玻璃品成型，打砂蒙砂到冰花夢幻後期製作，加工工藝非常純熟。Abstract : the paper presented a kind of drilling hole method that adopted direct circulation and percussion drilling, casing and cliff - protection by mud. the method applied in the complex gravel layer which has the trend to emerge cave - in and drop from the drilling wall
文摘:介紹一種在砂卵石地層層厚復雜、孔壁易掉塊、易坍塌的鉆孔的成孔方法? ?正循環回轉與沖擊鉆進、套管與泥漿護壁成孔。The protective tube is made from special high temperature alloy steel and drilled, also coating round its surface to form double protection and prolong service life up to over a year
套管本體採用特殊高溫合金鋼，整體棒料鉆孔，表面經噴塗工藝處理，形成雙重保護，極大地延長了熱電偶的使用壽命，壽命可過一年以上。分享友人