首页 / 国际专利分类库 / 物理 / 计算;推算;计数 / 数字流体压力计算设备 / 按其功能构件相互间联系的特征划分的并且没有活动部件的计算设备
序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
1 불순물 제거용 스팀의 압력 산출 방법 KR1020030032967 2003-05-23 KR1020040100560A 2004-12-02 김대중
PURPOSE: A method for calculating a CFR(Cleaning Force Ratio) of steam applied to each pipeline part for steam blowing is provided to reduce incorrectness, time, and expense of manual calculations, and quickly manage data changes on a spot by automatically calculating the CRF of the steam applied to each pipeline part. CONSTITUTION: The pipeline for the steam blowing is divided into each node(S1). A program calculation shell matched with each node is generated(S2). A BMCR(Boiler Maximum Continuous Rate) state, a pipe size of each node, and pipeline data are inputted to the program calculation shell, and a transformed pipe size replaced with the size of temporary pipeline is inputted(S6). A drum pressure that a CFR value is over 1.3 is calculated by changing the drum pressure(S9).
2 증기 분사 세정 조건 산출방법 KR1020030032974 2003-05-23 KR1020040100566A 2004-12-02 김대중
PURPOSE: A method for calculating an optimal cleaning condition of steam blowing is provided to minimize a calculation error of a design condition for the steam blowing of turbine pipeline of a thermal power plant, and reduce manpower and time for calculating the design condition. CONSTITUTION: After fixing data related to temporary pipeline of a turbine, a frictional coefficient of the temporary pipeline is calculated by selecting a node(S3). The frictional coefficient for equivalent pipeline is converted by selecting a size of the equivalent pipeline(S5). A CFR(Clean Force Ratio) of each node is calculated by selecting a drum pressure(S7). It is judged that the CFR is over 1(S8). In case that the CFR is under 1, a process is returned to the step for selecting the drum pressure. In the case that the CFR is over 1, the drum pressure, a temperature, and a steam blowing flow rate are calculated(S9).
3 화력 발전소의 스팀 드레인 유량 산출 방법 KR1020030032969 2003-05-23 KR1020040100561A 2004-12-02 김대중
PURPOSE: A method for automatically calculating a flow rate of steam drained off from the end of a steam drain pipe to a flash tank in a thermal power plant is provided to reduce time needed for calculating the flow rate and increase accuracy by automatically calculating/outputting the flow rate of the steam drain with a flow rate calculating program. CONSTITUTION: A pressure, a size, and a length of a pipe, and data for fittings/valves are inputted(S1). A friction coefficient, an inner diameter, a friction factor, and a specific volume of the valves/fittings are calculated by using design information(S2). A ratio for a static specific heat to a constant-pressure specific heat, and limiting factors are calculated by using a calculated value(S3). A flow velocity and a pipe drain pressure are calculated by using a calculated result(S4).
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