In this paper the analysis and solution of following key technical problems are presented: the drafting of commissioning scheme; the selection of the position in AC power grid where single-phase earth fault occurs while there is only one AC feeder at both sides of converter station and corresponding test method, the principle and disposal of the last circuit breaker trip-out function and the perfection of both software and hardware for it; the perfection of control and protection function of frequency converter for cooling of valves.
介绍了系统调试中几个关键技术问题的分析和解决过程：系统调试方案的编写过程；在换流站两侧均为单回交流进线的情况下交流系统单相瞬时故障点的选择和试验方法；最后断路器跳闸功能的原理、配置原则及软件和硬件的完善；换流站阀冷却变频器控制保护功能的完善。
In the industry, there are many technical leader, the company has a large number of patented technologies, applied to large space such as manual, electric, temperature-controlled variable air swirl products, supply of electricity for remote control, temperature control of the ball type vent products more successfully resolved to meet the applicable state changes in winter and summer air automatic temperature control and adjustable flow bulk temperature strip loose converter, VAV VAV systems, this system can more desirable to realize the adjustable air supply, intelligent defrosting, hot air re-heating, natural cooling, real-time adaptation and other system functions, the company self-developed high-pressure exhaust system, and the density of cold air supply system and so has a unique advantage.
在行业中，有众多项技术处于领先地位，公司拥有专利技术众多，如应用于高大空间的手动、电动、温控的可变旋流风口系列产品，用于远程送风的电控、温控的球型喷口系列产品，较为成功地解决了能满足适用于冬夏两季送风状态变化的自动温控散流器和可调温控条形散流器，VAV变风量系统，这个系统能较为理想地实现了可调送风、智能除霜、热气再加热、自然冷却、实时适配等系统功能、公司自行开发的高压排气系统、和大冷量密度送风系统等都具有独特的优势。
Property Services Department First, to defend the safety aspects: 1, security and foreign staff out of registration, further information and paging; 2, the day-to-day laboratory, the Treasury security inspection; 3, the night laboratory safety inspection; 4, to help clean up the waste solvents and laboratory reagents empty bottles; 5, waste solvents and solid waste treatment; 6, weekends and holidays security on duty; Second, health, green areas 1, experimental building within the foyer, corridors, staircases, conference rooms, lecture hall, bathroom and outdoor road cleaning; 2, garbage collection, clean up, Qing-Yun; 3, the dressing and green lawn, weeding, fertilizing, pruning, such as pest Third, logistics services 1, conference rooms, lecture hall and the registration of the use of projectors 2, the conference room tea service; 3, attendance statistics and switchboard services; 4, send and receive mail and express delivery, such as reservations, please help; 5, A4 traffic to the park and recharge cards of various checks Field Service; 6, with environmental protection sewage, exhaust fumes and noise of occasional spot checks; 4, equipment maintenance: 1, the safe use of utilities and maintenance; 2, central air conditioning heat pump units of safe use and maintenance; 3, VRV central air-conditioning, points of air conditioning (26 Taiwan dollars) in the safe use and daily maintenance (cleaning filters, check cooling agent 4, central air conditioning heat pump units of the circulating pump and fire pumps (8) and the safe use of the annual replacement of mechanical seals, bearings, motor maintenance and increase lubricants; 5, VAV system once a month of fresh air filter cleaning (to ensure the smooth flow of fresh air laboratory), a quarterly Tong Fenggui surface wind speed of the test, once a year, the frequency converter Inspection and Maintenance.
物业部服务内容一、保卫安全方面：1、安全保卫、外来人员进出登记、问询及传呼； 2、日常实验室、库房的安全巡检； 3、夜间实验室的安全巡检； 4、协助清理实验室的废溶剂和空试剂瓶； 5、废溶剂和生活垃圾的处理； 6、周末、节假日的安全值班；二、卫生、绿化方面 1、实验大楼内部门厅、走廊、楼梯、会议室、报告厅、卫生间以及室外道路的清洁工作； 2、垃圾的收集、清理、清运等； 3、草坪及绿化的修整、除草、施肥、剪枝、除虫等三、后勤服务方面 1、会议室、报告厅以及投影仪的登记使用 2、会议室的茶水服务； 3、考勤统计及总机服务； 4、收发快递及邮件、协助订餐等； 5、A4交通卡充值及应付园区各种检查等外勤事务； 6、配合环保方面污水、废气、噪音的不定期抽查；四、设备维护方面：1、水电的安全使用及维修； 2、中央空调热泵机组的安全使用及维护； 3、VRV中央空调、分体空调（计26台）的安全使用及日常维护（清洗过滤网、检查制冷剂等）； 4、中央空调热泵机组的循环水泵以及消防水泵（8台）的安全使用及年度更换机械密封、轴承、马达保养及加润滑油； 5、变风量系统每月一次的新风过滤网清洗、每季度一次的通风柜面风速测试、每年一次的变频器点检及保养。
This paper mainly focuses on the above-mentioned key technologies research, and acquires a few of achievement and innovation as follows.1 The whole hydraulic control system is divided into three sub-systems in terms of their unattached pressure levels, which are speed shifting mechanism control subsystem, clutch and torque converter control subsystem, and lubrication and cooling flux distribution subsystem.
本文围绕上述关键技术进行了深入的研究，主要成果和创新点为：1根据液压控制系统的压力等级，将整个系统分为：变速与夹紧力控制、离合变矩控制、润滑冷却3个子系统。
The production method includes the following steps of molten iron desulphurization, converter combined blowing, vacuum treatment, continuous casting, hot continuous rolling, stream cooling, coiling (acid cleaning and steel rolling), batch annealing, leveling up, and finishing.
具体生产方法为：铁水脱硫→转炉复合吹炼→真空处理→连铸→热连轧→层流冷却→卷取→酸轧→罩式退火→平整→精整。
Transformation in this project, XJ flexible transmission system undertook converter valve device and external water cooling equipment rebuilding.
在此次工程改造中，许继柔性输电系统公司承担了换流阀设备和外水冷设备的改造任务。
This is the first domestic study on spray cooling of large converter.
这些研究及所取得的成果在国内尚属首次。
The design & operation of the inter-cooling, adiabatic and axial-radial flow ammonia converter internal
内冷-绝热轴径向氨合成塔内件设计与运行
Analysis of Leakage Failure of Converter Cooling Air Flue
转炉冷却烟道泄漏故障分析
The Save Energy Application of Plc And Frequency Converter Inverter in the Cooling Tower
PLC与变频器在冷却塔中的节能应用
The authors present the internal structure and functions of converter valve and its control, cooling and protection system.
首先介绍换流阀及其控制、冷却和保护系统的内部结构和功能。
Rated input power unit under conditions Unit weight of dynamic line Overall dimensions: length 2470, width 885, high-1470mm Cool t flow of cooling capacity Dimensions Weight import and export of flange size Stainless steel pipe, valves, Fa Lan 1 +1 crane, frequency walk; Hosts pack box girder 250 × 400, Taiwan unilaterally to go up and down cover with 6mm plate; side, warehouse plate with 5mm plate Electric control box with Schneider or Fuji AC contactor, with Japan's Mitsubishi Industrial converter Use of weight lifting equipment type, chain-inch double chain with a small gearbox 30 decimeter Configuration in Jiangsu Taixing Reducer Factory 350 reducer, motor lifting capacity crane with 3.7kw Wuxi Hongda motor, lifting hydraulic brake with brake plant in Jiaozuo Lifting speed speed Omron PLC program controller, multi-cycle automatic operation; Sulfuric acid recovery rate ≥ 96
额定工作况下机组输入功率机组动行重量外形尺寸：长2470，宽885，高1470mm 冷吨流量冷却能力外形尺寸净重进出口法兰尺寸不锈钢管，阀门，砝兰 1+1天车，变频行走；主机包箱梁250×400，单边走台，上下盖板采用6mm板；侧板、仓板采用5mm板电控箱采用施耐德或富士交流接触器，变频器采用日本三菱工控起升装置采用配重式，链条采用1寸双排链，小变速箱30分米，配置江苏泰兴减速机厂350减速机，起升电机采用3.7kw 无锡宏达产起重电机，升降液压制动器采用焦作制动器厂起升速度运行速度欧姆龙PLC程序控制器，多周期自动运行；硫酸回收率≥96
Efficiency of change in operating conditions and reactor size on the synthetic loop was discussed through aspects of cycling gas quantity, synthetic pressure, cooling water temperature, converter inlet temperature, converter structure and catalyst filling quantity etc.
从循环气量、合成压力、冷却水温、合成塔进口温度、合成塔结构、催化剂装填量等方面论述了操作条件和反应器尺寸的变化对合成回路的影响。
The paper describes the design theory and design thinking of the state-patented LX type ammonia converter internals. It makes discussion on this internals with regard to the problems of gas flow distribution as well as the matching of heat of reaction with heat removed by spiral cooling plates etc.
介绍了获国家专利的LX型氨合成塔内件的设计理论和设计思路.对该内件的气流分市、螺旋冷板的移热与反应热相适应等问题进行了讨论。
In accordance with the characteristics of hydrogen chloride synthesis converter made of graphite, the author puts forward the design method and mathematic model that determines the outlet gas temperature of the synthesis converter, providing precondition for the optimization design of graphite cooling tubes and graphite coolers.
本文根据石墨制氯化氢合成炉结构特点，研究提出了确定合成炉气体出口温度的设计方法和数学模型，为石墨冷却管和石墨冷却器优化设置提供了先决条件。
Application of the Frequency Converter in Roots Blower of the Blast Cooling System
变频器在鼓冷系统中的应用
An introduction to the ammonia converter with internals of two parallel bed, cocurrent flow single-pipe flat cooling tubes configuration
介绍双层并联扁平单管并流氨合成塔
Kunming Steel's use of Converter Steelmaking Sludge Production of Slag Cooling of the Ball
利用昆钢转炉污泥生产炼钢用降温化渣球的探讨
Performance analysis of flow and heat transfer of spraying cooling for converter gas with high temperature in Venturi tube
转炉高温烟气除尘文氏管喷淋降温流动与传热性能分析
A Pure Water Circulation Cooling Device on Main Drive Converter of Aluminum Strip Hot Tandem Mill
用于铝板带热连轧机主传动变频器中的纯水循环冷却装置