高熱鉆孔 的英文怎麼說
中文拼音 [gāorèzhēnkǒng]
高熱鉆孔
英文
thermic boring-
Series 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。The paper introduces the fundamentals of the temperature distribution in the borehole drilled in the frozen formation, and discusses the ascertainment of these parameters, including the mass quantity of circulation medium, the coefficient of thermal conductivity of drilling rods, the coefficient of the intensity of heat exchange and the coefficient of unstable heat exchange between the rock and the circulation medium, and the rising of the temperature of the circulation medium in the bottom of the bore
摘要介紹了凍土鉆孔內溫度分佈研究的理論基礎，其中主要討論了沖洗介質的質量流量、鉆桿桿壁的導熱系數、巖石同沖洗介質的熱交換強度系數與不穩定熱交換系數，以及孔底沖洗介質溫度升高值的確定。Wear - proof body is manufactured from bar stock of high temperature alloy. double - compound structure of wear - proof coated with double wear - proof layer prolongs service life
耐磨頭本體採用耐高溫合金鋼棒料整體鉆孔，外噴焊雙層耐磨層，形成雙重復合結構，延長耐磨熱電偶的使用壽命。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