steam main pressure 中文意思是什麼
steam main pressure
解釋
蒸氣主管壓力-
Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system
雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下，當裝置穩態功率變化時，冷卻劑平均溫度與蒸汽壓都保持不變，與通常採用的冷卻劑平均溫度恆定運行方案相比，有效地改善了核動力裝置的總體運行性能，特別是在低負荷運行時，可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件，這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義 -
In main steam pressure system, it is realized and a satisfied control result is got
在主汽壓力控制系統中，取得了令人滿意的效果。 -
Stair - like generalized predictive control for main - steam pressure of boilers in a fire power plant
火電廠鍋爐主蒸汽壓力的階梯式廣義預測控制 -
The # 9 and # 10 142mw heat supply units in gansu xigu power plant, the steam extraction main pipe system adopt westation control system of westing house company and deb coordination control policy in design. the coordination control policy successfully expand the whole the running range, from the normal running condition to abnormity running condition and start or stop condition, which simplicity base on burthen and main steam pressure coordination control
甘肅西固熱電廠# 9 、 # 10142mw抽汽母管制供熱機組，選用美國西屋公司westation控制系統，設計、應用了deb協調控制策略，從單純作為負荷和主蒸汽壓力控制協調的基本功能，成功擴展到整個運行范圍，即從正常運行工況到異常運行工況及啟、停工況。 -
The main steam pressure control system, bed temperature measure system, bed temperature adjust system and action condition of ham fuel trip ( mft ) are analyzed
對主蒸汽壓力控制系統、床溫側量系統、床溫校正系統和主燃料跳閘的動作條件進行了詳細的分析。 -
The turbine backpressure is measured by the pressure transmitters ind25. gcw. 00 pt400 on the main steam duct
汽機背壓由主蒸汽管道上的壓力變送器ind25 . gcw . 00pt400測量。 -
The main experiments : the relationship between the sonic intensity and the pressure of the steam that leak out of the boiler ; the relationship between the level of the intensity of the leak noise and the capability of boiler ; the effect that wave - guide tube has on the detection of leak noise ; the specialties of sonic intensity level of background noise and distributing in frequency
主要實驗內容為：泄漏噪聲聲強級與泄漏蒸汽壓力之間關系；泄漏噪聲聲強級與鍋爐容量的關系；泄漏噪聲聲強級與泄漏孔徑的關系；波導管對泄漏噪聲測量的影響；爐內背景噪聲的聲強級和頻域分佈特點。 -
The paper focus on the main steam pressure control system and introduce some ways to get the systems " mathematics model. bashed on which i present some control methods and basic theory on neural network control. i designs an neural network controller
本文以電廠主汽壓力控制系統為研究對象，介紹了主汽壓力主要的數學模型機理建模方法及系統辨識方法，介紹了幾種控制方式以及神經網路控制基本原理，並在其基礎上設計了神經網路控制器。 -
With the combination of automatic control theory and practical thermal process automation object in the power station, three main fields including nonlinear calibration of thermal instrument, new control strategies of main steam pressure and advanced control strategies of main steam temperature are studied in detail in this paper
本文將自動控制理論和火電廠熱工自動化的具體對象相結合，進行了3個方面的研究工作：熱工儀表非線性校正、主蒸汽壓力的新型調節策略、主蒸汽溫度的先進控制策略。 -
Stability of main steam pressure is the foundation of the key parameter stability ( include the main steam temperature, the vapor pack water level, the oxygen content in the smoke etc. ) in the units, deb system increase the dependability and the economy greatly with the settlement of the energy ' s equilibrium between the boiler and the steamer
本機組利用先進的硬體設備dcs和優化的控制策略deb ，圓滿解決了機組協調控制系統中主汽壓力穩定性及負荷適應性這一主要矛盾。主蒸汽壓力穩定是機組一切關鍵參數（包括主蒸汽溫度、汽包水位、煙氣含氧量等）穩定的基礎， deb系統解決了機組鍋爐和汽輪機之間能量平衡，使機組可靠性和經濟性大大提高。 -
Main products of the company include coal - water fluid boiler, coal - water fluid / oil / gas burner, steam boiler, hot water boiler, vacuum hot water boiler, heat carrier furnace, fluid handling equipment, reaction pot, fermentation tank, heat exchanger, grade br1 pressure vessel and boiler auxiliary equipment and accessories, etc
主要產品有:水煤漿專用鍋爐、水煤漿/油/氣燃燒器、蒸汽鍋爐、熱水鍋爐、真空熱水鍋爐、熱載體爐、流體裝卸設備、反應釜、發酵罐、熱交換器、 br級壓力容器，鍋爐輔機及配件等。 -
This software are compiled in vc + + computer language. the main function of the application is to calculate the load limitation of an air - cooling steam turbine - generator set under distinct flux of cooling water, environmental temperature and environmental wind speed, and the back pressure safeguard curve of the target steam turbine are considered
應用軟體以vc + +為開發平臺，考慮了特定汽輪機組的背壓保護曲線，通過計算空冷系統的熱力特性，實時給出當前環境溫度和環境風速以及循環水流量下機組的上限負荷，從而指導機組的運行。 -
When the system pressure goes up to the value that will open the security valve, the main steam security valve will be released all by itself, discharge the excessive steam in the system and lower down the system pressure
當系統運行壓力上升至安全閥的開啟壓力時，主蒸汽安全閥自行打開，排放主蒸汽系統中的蒸汽，使系統壓力降低。 -
This article emphatically discussed and analyzed following points : load command feed forward function can improve the rapid respond character of steam turbine generator ; lead of load command have advance control function on boiler main control and can highly improve the stability of main steam pressure ; the use of predict control and state space variable function can improve the quality of boiler steam temperature control effectively, control the steam temperature in the defined range and increase the boiler and turbine life and efficiency even if working state changed in a big range ; linear compensation can restrain the vibration of generator load in the condition of big loa d change
本文重點討論、分析提出負荷指令前饋作用可以提高汽輪發電機快速響應特性；負荷指令的導前功能對鍋爐主控有超前控製作用，能顯著提高主蒸汽壓力的穩定性；採用預測及狀態空間法能有效改進鍋爐蒸汽溫度控製品質，在大幅度工況變化下仍有效控制蒸汽溫度在額定范圍內，提高鍋爐、汽輪機壽命及其效率；汽輪發電機組的快速響應性與汽輪發電機組負荷振蕩問題間的平衡關系，採用線性補償可以有效抑制在負荷變化梯度較大情況下發電機負荷振蕩問題。 -
Undoubtedly, deterioration and damage accumulation occur in high temperature and high pressure. with the consumption of their use, the failure accidents occur more frequently, which will bring threatening to the life of people and the poverties of enterprise. so the failure analysis and the residual life assessment of the main steam pipe become more and more urgent and important
以蠕變性能作為設計指標的主蒸汽管道是發電廠的關鍵部件，由於長期在高溫高壓的惡劣工況下運行，容易發生材質老化和損傷積累，突發性事故也會頻頻發生，給企業職工的生命安全和國家財產帶來嚴重威脅，因此對主蒸汽管道進行失效分析與壽命預測尤為迫切和重要。 -
When the condensation of water increases, the bucket loses buoyancy and makes the machinery reversely seal to generate differential pressure, the main valve opens and obtains large displacement, steam equipment prompt starts to maximize the thermal efficiency of steam equipment
當凝結水量增大時，吊桶失去浮力使得機構反向密封而產生壓差，主閥開啟而獲得大排量，用汽設備迅速啟動，最大限度地發揮出用汽設備的熱效率。 -
Pressure and water level of the direct contact heat exchanger are the main impacting factors to the steam parameters
實驗研究並分析了影響系統循環的主要參數。 -
Based on the furnace chamber flame monitoring system, this paper designed and analyzed a combustion control system with the main steam pressure as the primary adjusting parameter and the total radiant energy of the furnace chamber as the subsidiary parameter, and compared the advantages of the system with emulation research and the experimental test
在爐膛火焰監測系統的基礎上，設計分析了以主蒸汽壓力為主調、以爐膛總輻射能為副調參數的燃燒控制系統，並通過模擬研究和試驗驗證，比較了該方法的優越性。 -
Series a includes steam service for warming up before the main line is opened, and for balancing pressure where the lines are of limited volume
系列a包括用於在主管道開啟前進行加溫的蒸汽應用場合，或在流量有限的管道上平衡壓力。 -
The break was assumed to be a single tube double - ended and three - tube double - ended shear break. the diameter of the break orifice is 0. 876mm and 1. 518mm respectively. the characteristic responses of main thermal - hydraulic parameters, such as primary pressure, secondary pressure, break flow rate, pressurizer level, secondary side level of steam generator and so on, were presented in this thesis
試驗再現了核電廠蒸汽發生器單根傳熱管雙端斷裂事故和三根傳熱管雙端斷裂事故發生后的熱工水力現象，給出了事故過程中一次系統壓力、二次系統壓力、破口流量、蒸汽發生器二次側水位、穩壓器水位、元件表面溫度等主要參數的瞬態響應。
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