查询词典 blast-hole

The process basic scheme, configuration of the control system and its main functions are described. The master, controller and control net are reduplicated on purpose to improve the reliability of the control system, When TRT trips, one of the valves group for reducing gas pressure is opened fast to avoid the increase of blast furnace top pressure rapidly. In order to stabilize the roof pressure of the blast furnace during TRT oper...

为了提高控制系统的可靠性，系统的服务器、控制器及网络均按冗余方式配置；TRT跳闸时，为了不使高炉炉顶压力急剧上升，采用了减压阀组的紧急开放阀快速打开的控制策略；为了达到在TRT运行过程中稳定炉顶压力的目的，在可调静叶控制中使用了一种可初始化的回馈计算回路。

By technological innovation and digesting the advantages obtained in translocating the similar blast furnaces home and aboard, the blast furnace stack in HISCO which is 5206t weighty, 33. 100m high has been entirely shifted 37.400m and relocated 11.5 days earlier than the scheduled, resulting in good economic and social benefit.

通过技术创新，并充分吸取国内外类似高炉推移案例的优点，采用滑动摩擦推移方法，使重量5206t、高度33.100m的高炉炉体，整体水平推移37.400m后准确就位，并使整个工期提前11.5天，取得了较好的经济效益和良好的社会效益。

With the rapid development of road and communication of city, the harm effect that the blast vibration induced by building mass undergrounds or tunnels and digging blast underground structures act on the ground environment, are increasingly remarkable.

随着道路、城市交通事业的迅速发展，大量地铁、隧道的修筑，浅埋地下结构的开挖爆破，由此而导致的爆破振动对地面设施，特别是对城市地面建筑的危害效应越来越显著。

The results show that magnesium and aluminum theoretically can be thoroughly dissolved from the blast furnace slag by diluted sulfuric acid pretreatment on the blast furnace slag even if the ended concentration of sulfuric acid is 0.001mol/L, while the titanium basically could not be dissolved. Therefore it is theoretically indicated that the separation of the magnesium and aluminum from the slag with the least titanium loss by diluted sulfuric acid pretreatment is possible.

结果表明，采用稀硫酸对高炉渣进行预处理，当终酸浓度即使为0.001mol·l~(-1)时，镁、铝理论上也能全部被酸浸出，而钛在0.001 mol·l~(-1)的酸浓度条件下基本不被浸出，从而从理论上可以说明对高炉渣采用稀酸预处理可以很好的将炉渣中的镁、铝等杂质分离出来，而钛极少被浸出。

This process can preheat blast furnace gas and air up to 200℃ and 400℃ respectively, and blast temperature above 1 200℃ can be obtained from pebble stove.

该工艺技术把高炉煤气和助燃空气分别预热到200℃和400℃，配套采用球式热风炉，热风温度可以达到1200℃以上，同时计算了工艺中涉及到的各种参数，对工艺和设备进行了设计或选型。

A series of measures for realizing high blast temperature and long campaign have been taken in the design of ex- ternal combustion type hot air stove provided by Nippon Steel for 4350m~3 blast furnace newly built in Taiyuan Iron and Steel Co.

在新建的太钢4350m~3高炉新日铁外燃式热风炉的设计中，围绕高风温长寿命采取了一系列措施：蓄热室、燃烧室、混风室内墙体与拱顶的拱角相接处，采用迷宫式结构，防止独立砌体间窜风；在开孔部位采用组合砖，以提高这些关键部位的气密性和结构稳定性；蓄热室内采用带凹凸槽的小孔径七孔高效格砖，提高加热面积；采用分离型余热回收装置预热助燃空气和煤气等。

The effect of mineral admixtures on the expansion due to ACR was studied. The results show that the expansion can not be suppressed by natural zeolite, ground blast furnace slag and silica fume, however, it can be suppressed by some kinds of fly ash and the composites of natural zeolite and fly ash, ground blast furnace slag and silica fume respectively.

试验了矿物质掺合料对ACR的抑制作用，沸石、矿渣、硅灰均不能有效地抑制ACR，而某些粉煤灰及沸石与粉煤灰、矿渣、硅灰的复合对ACR有抑制作用。

The confidence and accuracy of distinct element method simulation model of charging of bell-less top blast furnace are only verified and affirmed by experiment. The experiments of one circle charging and multiple circle charging are made in the test model of bell-less top blast furnace.

从而，以高炉炉料颗粒离散单元法模型为基础，结合计算机实施技术，建立了高炉无钟炉顶布料的离散单元法模拟模型，并将其开发编制成了大型的计算机模拟应用程序BLTDEM，配置了功能齐全的前后处理器，以完善计算机模拟和应用。

It further proves the distinct element method simulation model of charging of bell-less top blast furnace is true, and indicates this mathematics model not only has great theory research significance, but also have full practical worth. The distinct element method simulation model of charging of bell-less top blast furnace is a computer model.

本文还对实际无钟炉顶高炉开炉布料进行了离散单元法模拟研究，模拟结果与实测结果也基本符合，这进一步证明了高炉无钟炉顶布料离散单元法模拟模型的正确性，并且表明此数学模型不仅具有理论研究意义，而且具有实用价值。

It indicates the distinct element method simulation model of charging of bell-less top blast furnace may replace the model experiment that takes very long time, and spends a great amount of both manpower and material resources to research the law of charging of bell-less top. The distinct element method simulation is made for opening furnace charging of reality bell-less top blast furnace. The result of simulation is also very identical with that of measuring.

本文在高炉无钟炉顶实验模型上进行了单环和多环布料实验研究，同时运用离散单元法模拟模型对实验进行了数值模拟，得到的炉料分布和料面形状的实验结果与模拟结果相当吻合，这证明了离散单元法在高炉无钟炉顶布料中的应用是可行的，并且表明运用高炉无钟炉顶布料离散单元法模拟模型可以替代费时、费钱、费力的物理模型实验，进行无钟炉顶布料规律研究。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。