STUDY IMPLEMENTATION OF WATER JET EJECTOR AS A GAS REMOVAL SYSTEM FOR GEOTHERMAL POWER PLANT
NCG (non condensable gases). Contain of NCG in the condenser causes the <br /> <br /> performance of the condenser in a geothermal plant decreasing. Therefore, NCG <br /> <br /> has to be removed from the condenser to keep its low pressure continuously. The <br /> <b...
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| Format: | Theses |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/26099 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | NCG (non condensable gases). Contain of NCG in the condenser causes the <br />
<br />
performance of the condenser in a geothermal plant decreasing. Therefore, NCG <br />
<br />
has to be removed from the condenser to keep its low pressure continuously. The <br />
<br />
conventional gas removal system (GRS) commonly used in the geothermal power <br />
<br />
plants are steam jet ejector (SJE), liquid ring vacuum pump (LRVP) or a <br />
<br />
combination of them. Steam usage in the SJE is large enough so that it reduces the <br />
<br />
potential steam to be converted into electricity. On the other side, the condenser <br />
<br />
also produces water as a result of condensation of the steam. Possibility of using <br />
<br />
the water to substitute the motive steam in the SJE will be investigated in this <br />
<br />
paper. If the water can replace the steam then the electricity production of the <br />
<br />
geothermal power plants can be increased. The study of water jet ejector (WJE) is <br />
<br />
very important to be conducted. The experimental apparatus was developed to <br />
<br />
confirm the feasibility of available WJE in the market for the geothermal <br />
<br />
implementation. This research is intended as an effort to utilize water as the main <br />
<br />
driver of GRS to know the potential of the WJE by conducting laboratory scale <br />
<br />
experiment. Based on experimental result, simulation of net power generation and <br />
<br />
techno economic confirmed that the combination of WJE and LRVP can be <br />
<br />
implemented at PLTP 3 MW as a pilot project. Potensial saving motive steam <br />
<br />
about 0.23 MW if the steam convert to electricity production with payback <br />
<br />
periode under 5 years. The best result for net power generation and techno <br />
<br />
economic is one stage LRVP. <br />
<br />
Keywords: GPP, NCG, GRS, Water Jet Ejector |
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