分布式余壓透平發(fā)電裝置應用研究
發(fā)布時間：2018-09-19 20:32
【摘要】：余壓透平發(fā)電技術(shù)是通過增加透平發(fā)電裝置將工藝過程中的液體高壓能量經(jīng)過透平機的旋轉(zhuǎn)做功,使其驅(qū)動發(fā)電機發(fā)電,從而實現(xiàn)能量的回收和再利用。隨著液體能量回收技術(shù)的日益發(fā)展,不同形式的液體余壓能量回收裝置被廣泛運用到存在富裕液體壓力能的行業(yè)中,不僅可以實現(xiàn)能源的回收利用,同時也可以給企業(yè)帶來良好的經(jīng)濟效益。本文是以余壓透平發(fā)電技術(shù)在合成氨脫碳工藝中的應用為研究基礎(chǔ),對脫碳工藝中液體壓力能浪費現(xiàn)象進行了節(jié)能改造,并對余壓透平發(fā)電系統(tǒng)整體運行狀況進行研究。本文首先對余壓透平發(fā)電系統(tǒng)整體結(jié)構(gòu)進行了分析,提出了系統(tǒng)的總體設計方案,以水力透平發(fā)電機組作為系統(tǒng)的核心機構(gòu),并對系統(tǒng)的運行效率和性能及工作原理進行了分析。其次對余壓透平發(fā)電系統(tǒng)中液體壓力回收環(huán)節(jié)進行了優(yōu)化設計。采用了變頻調(diào)速控制系統(tǒng)對壓力、流量進行調(diào)節(jié),并選用PID控制算法控制系統(tǒng)的壓力、流量,使系統(tǒng)能夠穩(wěn)定的運行。最后對系統(tǒng)的發(fā)電并網(wǎng)環(huán)節(jié)進行了設計。通過對比分析決定采用一體式水力透平加異步發(fā)電機的配置方式來構(gòu)成發(fā)電機組,采用晶閘管軟并網(wǎng)方式可以使機組平穩(wěn)順利并網(wǎng)。并對并網(wǎng)過程中的轉(zhuǎn)速、電壓等參數(shù)進行調(diào)節(jié)和控制。根據(jù)系統(tǒng)的工藝流程,設計了電氣控制系統(tǒng)和人機交互系統(tǒng)。對分布式余壓透平發(fā)電裝置的控制系統(tǒng)進行了設計,分析研究了系統(tǒng)工藝的流程圖,采用PLC控制器作為系統(tǒng)控制的核心,詳細介紹了系統(tǒng)的軟件編程,對回收系統(tǒng)各個環(huán)節(jié)的工作進行控制,以達到系統(tǒng)智能控制及穩(wěn)定的目的。并利用組態(tài)王軟件,設計了余壓透平發(fā)電系統(tǒng)的監(jiān)控界面、數(shù)據(jù)顯示界面及報警界面等�？刂平缑娴囊氡Ｕ狭讼到y(tǒng)的順利運行,進而實現(xiàn)智能化監(jiān)控功能;實時趨勢曲線的引入,可以很好的對余壓透平發(fā)電裝置進行數(shù)據(jù)分析,從而極大的提高系統(tǒng)的工作效率使之穩(wěn)定運行。
[Abstract]:The technology of residual pressure turbine power generation is to drive the generator to generate electricity by adding the high pressure energy of liquid in the process of turbine generation through the rotating work of the turbine so as to realize the recovery and reuse of energy. With the development of liquid energy recovery technology, different types of liquid residual pressure energy recovery devices are widely used in the industry with rich liquid pressure energy, which can not only realize the recovery and utilization of energy. At the same time, it can also bring good economic benefits to enterprises. Based on the application of residual pressure turbine power generation technology in ammonia decarburization process, the waste of liquid pressure energy in decarburization process is reformed, and the whole operation condition of residual pressure turbine power generation system is studied in this paper. In this paper, the overall structure of the residual pressure turbine power generation system is analyzed, and the overall design scheme of the system is put forward. The hydraulic turbine generator unit is taken as the core mechanism of the system. The operation efficiency, performance and working principle of the system are analyzed. Secondly, the optimal design of the liquid pressure recovery in the residual pressure turbine system is carried out. The variable frequency speed control system is used to adjust the pressure and flow, and the PID control algorithm is used to control the pressure and flow of the system, so that the system can run stably. Finally, the power generation link of the system is designed. By comparing and analyzing, it is decided to use the configuration mode of integrated hydraulic turbine and asynchronous generator to construct the generator set, and to use the thyristor soft grid-connected mode can make the unit smoothly and smoothly connected to the grid. And the speed, voltage and other parameters in the process of grid connection are adjusted and controlled. According to the technological process of the system, the electrical control system and the man-machine interaction system are designed. The control system of distributed residual pressure turbine generator is designed. The flow chart of the system process is analyzed and studied. The PLC controller is used as the core of the system control, and the software programming of the system is introduced in detail. The work of each link of the recovery system is controlled to achieve the purpose of intelligent control and stability of the system. Using Kingview software, the monitoring interface, data display interface and alarm interface of residual pressure turbine power generation system are designed. The introduction of the control interface ensures the smooth operation of the system and realizes the intelligent monitoring function. The introduction of the real-time trend curve can well analyze the data of the residual pressure turbine generator. Thus greatly improve the working efficiency of the system to make it stable operation.
【學位授予單位】：河北科技大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TM31
本文編號：2251260
[Abstract]:The technology of residual pressure turbine power generation is to drive the generator to generate electricity by adding the high pressure energy of liquid in the process of turbine generation through the rotating work of the turbine so as to realize the recovery and reuse of energy. With the development of liquid energy recovery technology, different types of liquid residual pressure energy recovery devices are widely used in the industry with rich liquid pressure energy, which can not only realize the recovery and utilization of energy. At the same time, it can also bring good economic benefits to enterprises. Based on the application of residual pressure turbine power generation technology in ammonia decarburization process, the waste of liquid pressure energy in decarburization process is reformed, and the whole operation condition of residual pressure turbine power generation system is studied in this paper. In this paper, the overall structure of the residual pressure turbine power generation system is analyzed, and the overall design scheme of the system is put forward. The hydraulic turbine generator unit is taken as the core mechanism of the system. The operation efficiency, performance and working principle of the system are analyzed. Secondly, the optimal design of the liquid pressure recovery in the residual pressure turbine system is carried out. The variable frequency speed control system is used to adjust the pressure and flow, and the PID control algorithm is used to control the pressure and flow of the system, so that the system can run stably. Finally, the power generation link of the system is designed. By comparing and analyzing, it is decided to use the configuration mode of integrated hydraulic turbine and asynchronous generator to construct the generator set, and to use the thyristor soft grid-connected mode can make the unit smoothly and smoothly connected to the grid. And the speed, voltage and other parameters in the process of grid connection are adjusted and controlled. According to the technological process of the system, the electrical control system and the man-machine interaction system are designed. The control system of distributed residual pressure turbine generator is designed. The flow chart of the system process is analyzed and studied. The PLC controller is used as the core of the system control, and the software programming of the system is introduced in detail. The work of each link of the recovery system is controlled to achieve the purpose of intelligent control and stability of the system. Using Kingview software, the monitoring interface, data display interface and alarm interface of residual pressure turbine power generation system are designed. The introduction of the control interface ensures the smooth operation of the system and realizes the intelligent monitoring function. The introduction of the real-time trend curve can well analyze the data of the residual pressure turbine generator. Thus greatly improve the working efficiency of the system to make it stable operation.
【學位授予單位】：河北科技大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TM31
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，本文編號：2251260
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