The material for the housing of the electrical equipment is changed,and advanced techniques are applied to improve the automation level of the drilling rig,and room heater,electric auxiliary heater,electric heater and automatic temperature controller are adopted to improve the reliability of the rig at bed weather (-20 — -45℃) .
通过对低温环境下服役钻修机的电气状况的分析,设计出适合低温环境的钻修机电气设备,确保钻修机及其它钻采设备在低温环境能够安全高效工作;改变电气设备壳体材质,运用自动送钻、盘式刹车、电磁涡流刹车、电子天车防碰及井架自动穿销等一些成熟的技术,提高整套钻修机的自动化水平,增加空间加热器、电伴热、电加热器及自动升温控制手段,提高在-20~-45℃(极地寒冷)恶劣气候条件下服役钻修机的可靠性;改变钢材化学成分、低倍组织、铸造特殊工艺等手段,研制一批满足或接近API标准冲击要求的特制钢,确保出口到极寒冷地区的钻修机运行稳定、可靠。
The application and design of circulation heater is introduced, further discuss various application field and principle.
介绍循环式加热器的结构、设计及其应用,并对其工作原理及应用领域进行介绍。
The Effects on Aluminium Alloy Welded Joint Properties of Space Thermal Cycling and Atomic Oxygen
空间热循环及原子氧对铝合金焊接接头性能的影响
Finite Thermodynamic Analysis for Air Standard Otto Cycles
空气标准奥托循环的有限时间热力学分析
regenerative air cycle
回热式空气制冷循环
The Research of Thermo-Cycling and VUV Radiation Effects on the Performance of Space Inflatable Structural Materials;
空间充气结构材料的热循环与真空紫外辐照效应研究
intermittent circulating ropeway
间歇循环式架空索道
Reconstructing for large scale air circulating recuperative preheating furnace
大型空气循环换热预热炉的系统改造
The Research Based on the Simulation of Closed Brayton Cycle for Space Solar Power;
闭式布雷登循环空间太阳能热动力电源的仿真研究
Studying on the Optimal Circulating Water Temperature of Water-Loop Heat Pump System
水环热泵空调系统最佳循环水温研究
Analysis on Optimal Expansion Ratio of Inter-Cooled Regenerative Reheat Cycle
间冷回热再热循环的最佳膨胀比分析
Study on the Refrigeration Cycle of the Metal Hydride Heat Pump;
金属氢化物热泵空调制冷循环的研究
Analysis on circulating water system start-up under condition of empty pipes in thermal power plant
热力发电厂循环水系统空管启动分析
annular finned space radiator
环形片式空间散热器
Preliminary analysis of thermodynamic cycle of an intercooled recuperated turbofan engine
中冷回热航空涡扇发动机热力循环初步分析
Development of Water Heater Using Condenser Heat from Circulated Mini-type Air Conditioner
循环式小型空调器冷凝废热热水器的研制
recirculation air
再循环[环流]空气
intercooled regenerative cycle gas turbine
中间冷却式回热循环燃气轮机
Hypercyclic Operator in C_0(N) and C_0(Z) Space;
空间C_0（N）和C_0（Z）中超循环算子
DEVELOPING CIRCLING AGRICULTURE AND UPGRADING AGRICULTURE SPACE AND FUNCTION;
发展循环农业,拓展农业空间和功能