產品展廳>>產品銷售>>辰工開發系列軟件>>辰工地熱發電優化設計軟件
地熱發電利用一種工質（傳熱工質）從地熱井中把熱量輸出地面，在通過換熱器把從熱量從傳熱工質傳遞到另一種工質（動力工質），傳熱工質放出熱量后溫度降低，重新進入地熱井傳輸熱量。動力工質從傳熱工質吸收熱量以后，帶動透平對外做功。
本軟件通過建立地層熱傳導、井筒熱對流方程，開展地層及井筒溫度方程的求解，結合有機朗肯循環理論。根據地熱井的溫度及傳熱狀況、動力循環的熱源與環境溫度，分別選取最為合適傳熱工質和動力工質，實現地熱發電優化設計。
軟件主要功能有：
不同生產時間下井底溫度計算。
井底定溫條件下地層向井筒提供熱量計算。
針對不同工質的朗肯循環計算。
地熱發電最優化設計。
不同生產時間下地層溫度降落漏斗的計算。
井筒溫度剖面計算。
地熱發電的敏感參數分析。
圖1 溫度在地層中的分布圖 |
圖2 交替壓裂應力 |
Products>>Products on Sale>>Chengong Development Software Series>>Chengong Optimization Design Software of Geothermal Electric Power Generation
Geothermal electric power generation uses a kind of working medium(heat transfer working medium)to output heat from the geothermal well to the ground, then transfer heat from the heat transfer working medium to another working medium(dynamic working medium)through the heat exchanger. After the heat transfer working medium releases heat, the temperature decreases, and then re-enters the geothermal well to transfer heat. After absorbing heat from the heat transfer medium, the dynamic working medium drives the turbine to work externally.
Through the establishment of formation heat conduction and wellbore thermal convective equation, the solution of formation and wellbore temperature equation is carried out, and the organic Rankine cycle theory is combined with the software. According to the temperature and heat transfer condition of geothermal well, the heat source of power cycle and the circumstances temperature, the most suitable heat transfer working medium and power working medium are selected respectively to realize the optimal design of geothermal power generation.
The main functions of the software are as follows:
Calculation of
wellbore temperature profile.
Calculation of
formation temperature drop funnel at different production time.
Rankine cycle
calculation for different working medium.
Calculation of
bottom hole temperature at different production times.
Optimal design of
geothermal electric power generation.
Analysis of
sensitive parameters of geothermal electric power generation.
Under the
condition of fixed bottom hole temperature, calculations of heat supplied by
formation to wellbore.
| Figure1:
Temperature distribution in formation |
Figure2:
Temperature distribution in formation during recovery |