查询词典 blast furnace

The instruments used ATmega16L onboard A / D converter channels to achieve the cold wind pressure, the hot blast pressure, the furnace top pressure and cold wind current capacity four way analog acquisition;used PWM waveform produced by ATmega16L internal timing / Counter to achieve the entire differential pressure ,the cold wind flow and the permeability index three-way analog output for recording instruments; realized the cold wind pressure, the hot blast pressure, the furnace top pressure, the cold wind current capacity and the entire differential pressure five group parameter tour demonstration and the fixed-point demonstration by key-elect key's coordination during demonstration blast furnace permeable index; produced acousto-optics alarm when the permeable index across the upper and lower limits;used RS-485 realizing the communication with the superior computer.

仪表利用ATmega16L自带的A/D转换通道实现对冷风压力、热风压力、炉顶压力及冷风流量四路模拟信号的采集；通过ATmega16L内部的定时/计数器产生的PWM波形来实现对全压差、冷风流量及透气性指数三路模拟量输出供记录仪表使用；通过键选键的配合在显示高炉透气性指数的同时实现冷风压力、热风压力、炉顶压力、冷风流量及全压差五路参数的巡回显示与定点显示；当高炉透气性指数越上、下限时，仪表产生声光报警信号；仪表采用RS-485与上位机实现通信。

For KISC, the technology shall firstly use high-phosphorus ironstone efficiently which can not completed by the current picking technology or blast furnace process, to greatly reduce ironstone cost that occupies the most proportion of iron and steel production cost, easy cost pressure caused by international and domestic shortage of production materials, induce transportation risk, to assuringly supply KISC with a great deal of cheap raw materials and create great economic profit; Secondly it shall promote KISC to update its products, especially high-added-value products of lowest phosphorus and lowest sulfur, to enhance its ability to adapt market and gain profit; Thirdly it shall improve technical and economic indexes of blast furnace and converter, and be helpful for efficient blast smelting and less-slag melting of converter process; Furthermore the technology shall greatly promote the stable operation of melting process and the control of the production of high-temperature and high-quality casting blank, to realize efficient continuous casting and continuous casting and rolling to improve KISCs production intensification; Finally the technology shall distribute melting functions and optimize production processes, to improve the auto-control of melting and continuous casting, to realize the integrated management of technology, equipment, production organization and management, logistic management, and production running of smelting, continuous casting and rolling.

对昆钢而言，该技术的应用，首先可以经济有效地实现现有采选技术及高炉冶炼所不能完成的高磷铁矿石的利用，大幅度降低在钢铁生产中占绝大比例的原料成本，缓解国际国内生产原料紧张而造成的成本压力，为昆钢创造巨大的经济效益；其次可以促进昆钢产品的升级换代特别是高附加值超低磷、超低硫钢种的开发，增强昆钢的市场适应能力和效益创造能力；再次可促进高炉及转炉技术经济指标的改善，降低生产成本，且利于转炉生产实现高效吹炼和少渣冶炼；此外，该工艺能显著提高冶炼环节的平稳顺行及高温、高质量铸坯生产的可控程度，可实现高效连铸和连铸连轧生产，提高昆钢生产的集约化程度；最后，该工艺能实现冶炼功能的分工和生产流程的优化，可提高昆钢炼钢与连铸生产的计算机自动控制程度，有效促进炼钢—连铸—轧钢的工艺、设备、生产组织和管理、物流管理、生产操作等环节的一体化管理的实现。

The preventive measures for the harmful defects of alkali metals are as follows: 1, reducing the alkali metals content in the raw materials; 2, increasing the MgO content of the sinter , decreasing the basicity of slag , decreasing the Si content of the pig iron, increasing relative slag volume; 3 , introducing prereduced ore pellets or partly reducted sinter; 4increasing the ability of coke resisting alkali metals; 5, using refractories that have the ability of resisting corrasion of alkali metals; 6 , cleaning the blast furnace periodically. The above recommendations are necessary for decreasing the circulation and accumulation of alkali metals effectively in blast furnace, reducing the harmful influence of alkali metals on blast furnace, increasing the smelting intensity, decreasing the coke rate, improving the gas permeability.

基于碱金属对高炉冶炼的上述危害，本文结合湘钢高炉的实际生产情况，通过理论分析、计算以及其他钢厂防治碱害的经验，提出防治高炉碱害的措施：1、减少入炉原、燃料的碱金属含量；2、提高烧结矿中的MgO含量、降低炉渣碱度、降低生铁含硅量、适当增加渣量；3、采用预还原的金属化球团或部分还原的烧结矿；4、提高焦炭的抗碱能力；5采用抗碱侵蚀的耐火材料；6、周期性性洗炉，以有效地减少碱金属在高炉内的循环富集，降低碱金属对高炉的危害，提高高炉的冶炼强度，降低焦比，改善高炉透气性。

Technology of coal of gush of blast furnace double gun solves blast furnace coal effectively to compare current velocity of the coal fines when rising fast, coal fines and sirocco mix inadequate, cause efficiency of combustion of blast furnace coal fines this technique still can reduce low problem; effectively remove dust the carbolic content in ash, energy-saving to the enterprise decrease platoon and clean production to having active sense.

高炉双枪喷煤技术能有效地解决高炉煤比提高时煤粉流速快，煤粉和热风混合不充分，致使高炉煤粉燃烧效率低等新问题；此项技术还能有效降低除尘灰中的碳含量，对企业节能减排和清洁生产有着积极意义。

In this thesis, the distinct element method is first applied theory research of charging of bell-less top blast furnace, and is successfully used. It imitates a new way for dynamic study of charging of bell-less top blast furnace. It exploits prospect for research in theory of charging bell-less top blast furnace. It has great significance in theory research and practice.

本论文首次将离散单元法引入高炉无钟炉顶布料理论研究，并得到了成功应用，为高炉无钟炉顶布料的动力学研究开辟了一条新途径，为高炉无钟炉顶布料理论研究开拓了广阔的前景，具有重要的理论研究意义和实际应用价值。

The technical measures of 750m3 blast furnace strengthening smelting of Laiwu iron and steel general works consist of improving the coke quality,increasing burden quality,promoting reasonable burden structure,determining reasonable adjustment parameters of upper and lower blast furnace,using the waste heat recovery device of hot stove and using the spraying and coating technique for making liner of blast furnace,etc.

莱钢750m3高炉强化冶炼的措施包括改善焦炭质量，提高入炉矿石质量，促进炉料结构合理；确定合理的上下部调剂参数，抓好炉前工作，应用INBA法新转鼓水渣处理系统、热风炉余热回收装置、高炉喷涂造衬等新技术。

The design of blast furnace systems considered the weighing sensors,the hopper slooshing,conveyor belt rotation,uplink and downlink of feeding car.PLC controled the use of blast furnace of election material and feeding so as to realize the blast furnace automatically.

高炉上料系统的设计主要考虑了传感器称重、料斗的下料、传送带的转动、料车的上行和下行等，使用PLC控制高炉的选料和送料，实现了高炉上料的自动化。

Thedesign of blast furnace systems considered the weighing sensors,thehopper slooshing,conveyor belt rotation,uplink and downlink offeeding car.PLC controled the use of blast furnace of electionmaterial and feeding so as to realize the blast furnaceautomatically.

高炉上料系统的设计主要考虑了传感器称重、料斗的下料、传送带的转动、料车的上行和下行等，使用PLC控制高炉的选料和送料，实现了高炉上料的自动化。

Consequently, the permeability of cohesive zone in blast furnace can be improved and the total pressure drop in blast furnace can be decreased by use of such sinters. In order to ensure proper MgO content in the BF slag and improve the RDI of sinter, a new process of adding MgO in BF is proposed.MgO; sinter; blast furnace; cohesive zone

本文考察了MgO对烧结工艺及烧结矿冶金性能的影响，提出了合理添加MgO新工艺的建议。1 MgO对烧结工艺的影响1.1 烧结试验在实验室条件下，以各种铁精矿粉为原料，使用j6150 mm烧结杯系统，考察MgO含量对2种碱度(R=1.36和R=1.76)烧结工艺的影响，烧结试验中的MgO以白云石的形式添加，MgO的质量分数分别为1.3 、1.7％、2.1 、2.6 和3.0％，其他烧结工艺参数见表1.1.2 试验结果及。。。。。。

The blast furnace blower, which sends wind to the blast furnace, is the crucial and complex equipment in metallurgical enterprise. So it is necessary to design a computer control system to insure that the blast furnace blower can work steadily, efficiently and safely.

在冶金企业中，高炉鼓风机是非常重要的复杂设备，为了确保其能够稳定、高效、安全的工作，设计并实现高炉鼓风机的计算控制是十分重要的。

But in the course of internationalization, they meet with misunderstanding and puzzlement.

许多企业已经意识到了这一点，但在国际化的进程中，仍存在一些误区与困惑。

Inorder toaccomplish this goal as quickly as possible, we'll beteamingup with anexperienced group of modelers, skinners, and animatorswhosenames willbe announced in the coming weeks.

为了尽快实现这个目标，我们在未来数周内将公布与一些有经验的模型、皮肤、动画制作小组合作。