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公开(公告)号：KR1020140010490A
公开(公告)日：2014-01-27
申请号：KR1020120075976
申请日：2012-07-12
Applicant: 한국전력공사
Abstract: The present invention relates to a testing apparatus for simulating a gas turbine which includes: a test piece installation unit on which a test piece is installed, and which is capable of tilting so as to form a predetermined angle based on the horizontal plane; a combustion unit capable of shooting out flames onto the test piece installed on the test piece installation unit; and a fueling unit prepared for fueling the combustion unit. The apparatus is effective for evaluating the lifespan of metal parts used inside a gas turbine and the lifespan of a heat shield coating layer deposited on the surface of the metal parts.
Abstract translation: 本发明涉及一种用于模拟燃气轮机的测试装置，包括：测试件安装单元，其上安装有测试件，并且能够倾斜以便基于水平面形成预定角度; 燃烧单元，其能够将火焰喷射到安装在试件安装单元上的试验片上; 以及准备用于燃料燃烧单元的加油单元。 该装置有效地评估燃气轮机内部使用的金属部件的寿命以及沉积在金属部件表面上的隔热涂层的寿命。
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公开(公告)号：KR1020130053295A
公开(公告)日：2013-05-23
申请号：KR1020110119043
申请日：2011-11-15
Applicant: 한국전력공사
Abstract: PURPOSE: A combustion coating method in driving of a gas turbine is provided to minimize thermal stress between a silica coating layer and a heat shield coating layer and to improve durability of the existing heat shield coating layer with the additional silica coating. CONSTITUTION: A gas turbine is operated so that driving is started at predetermined speed and predetermined temperature(S110). A predetermined silica coating agent is supplied to a fuel of the gas turbine(S120). The supplied silica coating agent is combusted so that components touching combustion gas in the gas turbine are coated(S130). The gas turbine is operated for fixed periods after coating agent supply to a fuel line is stopped(S140). [Reference numerals] (S110) Drive a gas turbine to start an operation at predetermined speed and temperature; (S120) Supply a predetermined silica coating agent to fuel of the gas turbine; (S130) Coat a part of the gas turbine with the silica coating agent; (S140) Stop the supply of the silica coating agent to the fuel line after a predetermine time and operate the gas turbine for a predetermine period of time
Abstract translation: 目的：提供燃气轮机的燃烧涂覆方法，以最小化二氧化硅涂层和隔热涂层之间的热应力，并提高现有隔热涂层与附加二氧化硅涂层的耐久性。 构成：运行燃气轮机，使得以预定速度和预定温度开始驾驶（S110）。 向燃气轮机的燃料供给规定的二氧化硅被覆剂（S120）。 所供应的二氧化硅涂层剂被燃烧，使得与燃气轮机中的燃烧气体接触的部件被涂覆（S130）。 在向燃料管线供给的涂料剂停止后，燃气轮机运行固定时间（S140）。 （S110）驱动燃气轮机，以规定的速度和温度开始运转， （S120）向燃气轮机的燃料供给预定的二氧化硅涂布剂; （S130）用二氧化硅涂层剂涂覆一部分燃气轮机; （S140）在预定时间之后停止向燃料管线供应二氧化硅涂层剂，并在预定时间段内操作燃气轮机
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公开(公告)号：KR1020110046023A
公开(公告)日：2011-05-04
申请号：KR1020090102826
申请日：2009-10-28
Applicant: 한국전력공사 , 한국중부발전(주) , 한국남부발전 주식회사 , 한국동서발전(주)
IPC: F01M3/00 , F02C7/06 , C10M125/10 , C10N40/25
Abstract: PURPOSE: A method for lubricating solid between gas turbine blade and casing using oxide-based nanofluid is provided to take a solid lubricant role between metal materials, when nanopowder touches with blade and casing. CONSTITUTION: A method for lubricating solid between gas turbine blade and casing comprises next steps. Nanofluid is made by dispersing oxide powder of nanoscale into solvent. The gas turbine drives to supply the nanofluid, in which the nanopowder is dispersed, to a gas turbine combustion chamber along with fuel.
Abstract translation: 目的：提供使用氧化物基纳米流体在燃气轮机叶片和壳体之间润滑固体的方法，当纳米粉末与刀片和套管接触时，在金属材料之间采取固体润滑剂的作用。 构成：在燃气轮机叶片和壳体之间润滑固体的方法包括以下步骤。 纳米流体通过将纳米级的氧化物粉末分散在溶剂中制成。 燃气轮机驱动以将纳米粉末分散的纳米流体与燃料一起供应到燃气轮机燃烧室。
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公开(公告)号：KR2020100003185U
公开(公告)日：2010-03-19
申请号：KR2020080012363
申请日：2008-09-11
Applicant: 한국전력공사
Abstract: 소형 가스터빈 운전 중에 연소 코팅시에 최적의 코팅 조건을 선정하도록 하는 소형 가스터빈 운전 중에 연소 코팅 온도를 조절하기 위한 방법 및 시스템이 개시된다. 본 고안에 따르면, (a) 내산화 첨가제가 혼합된 연료를 점화, 연소시키는 단계, (b) 연소된 연료가 배기 가스로 방출될 경우에 상기 배기 가스의 유량을 제어하는 단계, (c) 상기 제어에 따라 상기 배기 가스에 대한 연소 코팅 온도를 측정하는 단계, 및 (d) 상기 조절된 연소 코팅 온도에 따라 터빈 블레이드 상에 실리카 코팅층이 형성되도록 연소 코팅을 수행하는 단계를 포함하는 방법이 제공된다.
이에. 본 고안은 가스 터빈 운행 중에 배기 가스의 유량을 제어하여 배기 가스에 대한 최적의 연소 코팅 온도로 조절됨으로써 가스 터빈 운행 중단에 따른 시간과 비용이 상승 되는 것을 방지하며, 500 내지 950 ℃의 최적의 연소 코팅 온도 하에서 첨가제가 혼합된 연료를 연소시켜 가스터빈 고온부품의 표면에 코팅되어짐으로써 고온부품의 수명이 연장되는 효과가 달성된다.
가스터빈, 연소 코팅, 첨가제, 코팅 온도-
公开(公告)号：KR100855703B1
公开(公告)日：2008-09-03
申请号：KR1020060108179
申请日：2006-11-03
Applicant: 한국전력공사
CPC classification number: C23C26/00 , C10L1/28 , C10L1/285 , C10L3/003 , C10L10/04 , Y02E20/16 , Y02T50/67
Abstract: 본발명은가스터빈의운전을위하여사용되는 LNG나경유등의연료에실리콘과같은금속성분이포함된유기화합물을첨가, 또는연소공기에별도로분무하여연료와같이연소하도록하여가스터빈운전중에고속으로회전하는가스터빈의블레이드를포함하는고온부품에이산화규소와같은내식, 내산화물질을효과적으로증착하여가스터빈고온부품의내구성을향상시키는방법에관한것으로서, 실리콘유기화합물이연료와같이연소됨으로써생성되는이산화규소가고온연소기체에노출되는모든가스터빈고온부품에균일하게퇴적하여수 내지수십μm 두께의산화물코팅층이입혀지도록하는가스터빈운전중에내식, 내산화층을형성시키는것을특징으로한다.
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Patent Agency Ranking
公开(公告)号：KR100781335B1
公开(公告)日：2007-11-30
申请号：KR1020060065936
申请日：2006-07-13
Applicant: 한국전력공사
Abstract: A method for improving hardness and erosion resistance of a vitreous enamel coating layer applied to carbon steel is provided to stably and effectively remove air-bubbles generated from an enamel coating of carbon steel manufactured by a conventional method, and a carbon steel thermal element with improved hardness and erosion resistance treated by the method is provided. A method for improving hardness and erosion resistance of a vitreous enamel coating layer applied to carbon steel comprises the following steps of: forming a vitreous enamel coating layer on a surface of the carbon steel by a conventional method comprising the steps of preparing an enamel coating solution by mixing silica, borax, sodium oxide, potassium oxide, aluminum oxide, nickel oxide, copper oxide and manganese oxide to improve corrosion resistance and erosion resistance(or wear resistance) of the carbon steel, dipping the carbon steel into the enamel coating solution, drying the carbon steel coated with the enamel coating solution, and firing the enamel coating solution-dried carbon steel; and treating the vitreous enamel coating layer under an argon atmosphere having a high temperature of 500 to 727 deg.C and a high pressure of 1000 to 1500 atmospheric pressures.
Abstract translation: 提供了用于提高应用于碳素钢的玻璃搪瓷涂层的硬度和耐腐蚀性的方法，以稳定和有效地去除由常规方法制造的碳钢的搪瓷涂层产生的气泡和具有改进的碳钢热元件 提供了通过该方法处理的硬度和耐侵蚀性。 用于提高应用于碳钢的玻璃质搪瓷涂层的硬度和耐腐蚀性的方法包括以下步骤：通过常规方法在碳钢的表面上形成玻璃质搪瓷涂层，所述方法包括以下步骤：制备搪瓷涂层溶液 通过混合二氧化硅，硼砂，氧化钠，氧化钾，氧化铝，氧化镍，氧化铜和氧化锰，以提高碳钢的耐腐蚀性和耐侵蚀性（或耐磨性），将碳钢浸入搪瓷涂层溶液中， 烘干涂有搪瓷涂层溶液的碳钢，并烧制搪瓷涂层溶液 - 干碳素钢; 在500〜727℃的高温和1000〜1500个大气压的高压氩气氛中处理玻璃质搪瓷涂层。
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公开(公告)号：KR100768394B1
公开(公告)日：2007-10-18
申请号：KR1020060088633
申请日：2006-09-13
Applicant: 한국전력공사
Abstract: A high hardness powder feeding apparatus is provided to allow the powder to be transferred and fed in the best molten state for coating or welding application by accurately controlling the amount of powder melted by a high temperature heat of a plasma state in a thermal spray coater or a torch of a metal powder welding apparatus. A high hardness powder feeding apparatus comprises: a powder storage tank(102) having a powder feeding port(101) formed at one side thereof; a pipe(110) for feeding a gas that maintains an internal pressure of the storage tank; a gas pressure control device(119) that outputs a control signal for controlling and maintaining gas at the specific pressure; an electro-pneumatic converter(118) controlled by the gas pressure control device; a carrier gas feeding pipe(109); a rotary joint(104) connected between a fixed pipe and a rotating pipe; a fixed quantity transfer device-driving shaft(103) in which a gas transfer pipe(112) is connected; a fixed quantity transfer device(105) connected to the fixed quantity transfer device-driving shaft; a drive motor(106) for driving the fixed quantity transfer device-driving shaft; a drive motor speed controller(117) for controlling the rotation speed of the drive motor; an oscillator(108) for exerting vibration energy; an oscillator driving compressed air-feeding pipe(111) for driving the oscillator; a filter(120) connected to the powder storage tank; an exhaust valve(113) connected to the filter; a dust collecting tank(114) which is connected to the exhaust valve, and which has a filter(115) mounted on its inner part; and an exhaust orifice(116) connected to the dust collecting tank.
Abstract translation: 提供高硬度粉末供给装置，通过精确地控制在热喷涂机中通过等离子体状态的高温热熔化的粉末的量，使粉末以最佳的熔融状态进行转印并进行涂布或焊接， 金属粉末焊接装置的火炬。 高硬度粉末输送装置包括：粉末储存罐（102），其一侧形成有粉末供给口（101）; 用于供给保持储罐的内部压力的气体的管道（110）; 气体压力控制装置（119），其输出用于控制和维持在特定压力下的气体的控制信号; 由气体压力控制装置控制的电 - 气转换器（118） 载气供给管（109）; 连接在固定管和旋转管之间的旋转接头（104） 连接有气体输送管（112）的固定量传送装置驱动轴（103） 连接到所述固定量传送装置驱动轴的固定量传送装置（105）; 用于驱动所述固定量传送装置驱动轴的驱动马达（106）; 用于控制驱动电动机的转速的驱动电动机速度控制器（117）; 用于施加振动能量的振荡器（108）; 驱动振荡器的压缩空气供给管（111）的振荡器; 连接到所述粉末储存罐的过滤器（120）; 连接到过滤器的排气阀（113） 一个与排气阀连接的并具有安装在其内部的过滤器（115）的集尘箱（114） 和连接到集尘箱的排气孔（116）。
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公开(公告)号：KR100544564B1
公开(公告)日：2006-01-23
申请号：KR1020030068294
申请日：2003-10-01
Abstract: 본 발명은 기존의 열전달 유체에 열전도율이 매우 높은 초미세 금속입자 등을 혼합한 혼합유체, 즉 나노유체(nanofluids)의 열전도율을 측정하기 위한 비정상 열선법(transient hot wire method)의 2개의 열선 모델(two-wire model)을 개선한 멀티 와이어 모델(multi-wire model)을 기반으로 하여 소량의 유체시료를 사용하는 경우에도 사용 가능한 소형의 콤팩트센서(compact sensor) 또는 센서모듈을 제공하는 비정상 열선법의 멀티 와이어 모델을 이용한 나노유체의 열전도율 측정용 센서모듈에 관한 것으로, 용기(1a, 1b)내에 장착되는 지지대(5)의 상/하부(5a, 5b) 사이에는 분할된 2개의 긴 열선(3, 3')과 2개의 짧은 열선(4, 4')들이 탑 연결단자(10)와, 미들 연결단자(11) 및 접지 연결단자(12)를 매개로 연결되되, 상기 탑 연결단자(10)는 긴 열선(3)의 상측 끝단에 연결되고, 상기 미들 연결단자(11)는 긴 열선(3')의 상측 끝단과 상기 짧은 열선(4)의 상측 끝단에 연결되며, 상기 접지 연결단자(12)는 짧은 열선(4')의 상측 끝단에 연결되도록 구성되고, 상기 분할된 긴 열선(3, 3') 및 짧은 열선(4, 4')들의 간격(D, d)은 열선직경의 100배 이상 500배 이하로 이격되게 배치되고, 이 분할된 긴 열선(3, 3')과 짧은 열선(4, 4')들의 길이(L, ℓ)는 열선직경의 300배 이상 1000배 이하 신장되어 설치된다.
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公开(公告)号：KR1020040099626A
公开(公告)日：2004-12-02
申请号：KR1020030031669
申请日：2003-05-19
Applicant: 한국전력공사
Abstract: PURPOSE: A dielectric oil for a transformer having a high heat conduction ratio and a high power transformer using the dielectric oil are provided to suppress sparks due to a fluid conduction by raising a heat conduction of the transformer. CONSTITUTION: A dielectric oil for a transformer having a high heat conduction ratio has a nanoscale particles. The nanoscale particles have diameters lying between 20 and 100nm. The dielectric oil for the transformer includes oxide powers, which are electrically non-conductive, dispersed in 0.1 through 5 volume %. The dielectric oil is used for a high power transformer.
Abstract translation: 目的：提供一种具有高导热率的变压器的电介质油和使用电介质油的高功率变压器，以通过提高变压器的热传导来抑制由于流体传导引起的火花。 构成：具有高导热率的用于变压器的电介质油具有纳米尺度的颗粒。 纳米级颗粒的直径介于20和100nm之间。 用于变压器的电介质油包括非导电性，以0.1至5体积％分散的氧化物功率。 电介质油用于大功率变压器。
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