From 26ed7c51495b106a6df6b31ce2b3f444c84eaaa7 Mon Sep 17 00:00:00 2001 From: Francesco Witte Date: Sun, 20 Oct 2024 11:53:42 +0200 Subject: [PATCH] Include the remaining figures --- docs/tutorials/hrsg_process_steam.rst | 97 +++++++++++++++++++++++---- 1 file changed, 85 insertions(+), 12 deletions(-) diff --git a/docs/tutorials/hrsg_process_steam.rst b/docs/tutorials/hrsg_process_steam.rst index 638905fd0..04e20f471 100644 --- a/docs/tutorials/hrsg_process_steam.rst +++ b/docs/tutorials/hrsg_process_steam.rst @@ -25,7 +25,8 @@ Overview In this tutorial we will build a combined heat and power plant utilizing flue gas (e.g. from a gas turbine) to generate process steam and electricity. The figure above shows the structure of the system and the 4 steps we take to build -the system. +the system. The challenge here lies in the complexity of the system. With a +well-structured approach the problem can be tackled. It is a simplified version of an actual plant with some unique features: @@ -43,15 +44,37 @@ It is a simplified version of an actual plant with some unique features: steaming. - The sweetwater condenser is a solution for HP steam desuperheating. -... - -- Table on boundary conditions -- Table on assumptions - -.... - -The challenge here lies in the complexity of the system. With a well-structured -approach the problem can be tackled. +The table below indicate the most important boundary conditions. + ++---------------------+---------------+-------+------+ +| Location | Parameter | Value | Unit | ++=====================+===============+=======+======+ +| process steam | :code:`m` | 160 | t/h | ++ +---------------+-------+------+ +| | :code:`Td_bp` | 10 | °C | ++ +---------------+-------+------+ +| | :code:`p` | 13 | bar | ++---------------------+---------------+-------+------+ +| live steam | :code:`T` | 480 | °C | ++ +---------------+-------+------+ +| | :code:`p` | 88.5 | bar | ++---------------------+---------------+-------+------+ +| gas turbine exhaust | :code:`T` | 720 | °C | ++---------------------+---------------+-------+------+ + +And the most important component parameters: + ++----------------------+---------------+-------+------+ +| Component | Parameter | Value | Unit | ++======================+===============+=======+======+ +| turbines | :code:`eta_s` | 90 | % | ++----------------------+---------------+-------+------+ +| pumps | :code:`eta_s` | 70 | % | ++----------------------+---------------+-------+------+ +| heat exchangers | :code:`pr` | 100 | % | ++----------------------+---------------+-------+------+ +| feed water preheater | :code:`pr` | 90 | % | ++----------------------+---------------+-------+------+ Steam supply and turbine section ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -121,12 +144,62 @@ condensate. The remaining mass flow is replaced by the makeup water. For the components we can specify the isentropic efficiencies of the turbines and the pumps as well as the pressure ratio of the condensing turbine inlet -valve as well as the condenser pressure loss. +valve as well as the condenser pressure loss. Then we solve the system and +with the first solution, the extraction mass flow can be unset and instead, the +actual process steam mass flow is specified. .. literalinclude:: /../tutorial/advanced/hrsg.py :language: python :start-after: [sec_5] :end-before: [sec_6] +Low pressure preheating and high pressure economizer +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +.. figure:: /_static/images/tutorials/hrsg_steam_supply/flowsheet_p2.svg + :align: center + :alt: Second part of the system + :figclass: only-light + + Figure: Second part of the system + +.. figure:: /_static/images/tutorials/hrsg_steam_supply/flowsheet_p2_darkmode.svg + :align: center + :alt: Second part of the system + :figclass: only-dark + + Figure: Second part of the system + +Completing the Rankine cycle +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +.. figure:: /_static/images/tutorials/hrsg_steam_supply/flowsheet_p3.svg + :align: center + :alt: Third part of the system + :figclass: only-light + + Figure: Third part of the system + +.. figure:: /_static/images/tutorials/hrsg_steam_supply/flowsheet_p3_darkmode.svg + :align: center + :alt: Third part of the system + :figclass: only-dark + + Figure: Third part of the system + +Adding the exhaust gas +^^^^^^^^^^^^^^^^^^^^^^ + +.. figure:: /_static/images/tutorials/hrsg_steam_supply/flowsheet.svg + :align: center + :alt: Complete system + :figclass: only-light + + Figure: Complete system + +.. figure:: /_static/images/tutorials/hrsg_steam_supply/flowsheet_darkmode.svg + :align: center + :alt: First part of the system + :figclass: only-dark -More to follow + Figure: Complete system