By Andrzej Witkowski, Andrzej Rusin, Miroslaw Majkut, Sebastian Rulik, Katarzyna Stolecka
Providing a finished research of CO2 compression, transportation strategies and questions of safety for put up combustion CO2 seize functions for a 900 MW pulverized difficult coal-fired strength plant, this booklet assesses thoughts for enhancing the strain of CO2 to pipeline strain values with a minimum volume of power. 4 sorts of compressors are tested intimately: a standard multistage centrifugal compressor, integrally geared centrifugal compressor, supersonic surprise wave compressor, and pump machines. The learn demonstrates that the whole compression energy is heavily on the topic of the thermodynamic strategy and isn't decided through compressor potency by myself. one other challenge addressed is that of CO2 pipeline shipping from the compressor outlet web site to a disposal web site less than warmth move stipulations. The publication additionally positive factors an research of simulations and types which are used to figure out the utmost secure pipeline distance to next booster stations as a functionality of inlet strain, ambient temperature, thickness of the thermal insulation and ground-level warmth flux stipulations. This ebook specializes in compression in addition to transportation approaches with specific emphasis at the security dangers relating to the shipping of CO2. crucial challenge when it comes to environmental security is making sure detailed and trustworthy probability id. As dangers can simply be controlled successfully in the event that they are competently pointed out, difficulties concerning the release and atmospheric dispersion of CO2 also are discussed.
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Extra info for Advances in Carbon Dioxide Compression and Pipeline Transportation Processes
Option C1 provides a baseline to compare alternative compression options. C2—Conventional centrifugal 16-stage compression with six sections and five intercooling steps. The other data are the same as for option C1. 6. 7. 4 Basic configuration of four-section CO2 intercooling compression 22 A. Witkowski and M. 5 Thermodynamic path of a conventional compression technology. 8). Polytropic efficiency changes gradually from 84 % for the first to 70 % for the eighth stage. For a comparative analysis of the influence of the inlet gas temperature on the compressor power requirement, the available cooling water under possibly lower ambient conditions (15 °C) was originally used in this option.
The investment cost for an integrally geared compressor is lower than for a single-shaft compressor train. This is the result of a compact design with fewer impellers and a smaller impeller diameter. Owing to that, the installation is considerably lighter and requires less space. Furthermore, complete package units can be realized with coolers installed in steel frames and with completely assembled piping including necessary anti-surge loops (CO2 Europipe 2011). 2 Compressor Conception Each stage of integrally geared compressors can be optimized due to the lower volume and higher pressure at each subsequent stage.
The gas is cooled again between the second section of the LP compressor and the first section of the HP one. Then, in the HP compressor first section (Fig. 12 MPa. 34 MPa in the second section of the HP compressor. 3. 2 Two-shaft four-section 16-stage LP radial compressor. 3 Two-shaft four-section 16-stage radial compressor. 0175 42 M. Majkut and A. 3 Conception of the single-shaft LP eight-stage centrifugal compressor (two sections, back-to-back configuration). a Cross-section. 4 shows the crossectional drawings (a) and the conception (b) of the LP and HP centrifugal compressors.