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Prayudi Prayudi
Jurusan D3 Teknik Mesin, Sekolah Tinggi Teknik – PLN
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Kemungkinan Terjadinya Slagging Dan Kerugian Efisiensi Akibat Penggunaan Low Rank Coal Pada Boiler PLTU Suralaya Unit 8 Prayudi Prayudi; Ik Agla
JURNAL POWERPLANT Vol 1 No 1 (2013): JURNAL POWER PLANT
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/powerplant.v1i1.797

Abstract

Design a coal-fired power plant is made based on the type and specifications of the coal that will be used. In other words, the power plant can only use one type of coal. Suralaya unit 8 uses coal from Kalimantan to the type of low rank coal and calorific value of 4200 kcal / kg. The low rank coal when burned will produce enough ash to be a pretty big slagging potential. This thesis discusses any loss suffered in the event of slagging. And its effects on the efficiency of the boiler, as well as the way in which the Suralaya unit 8 in troubleshooting the slagging.
Penerapan Metode Chemical Cleaning Guna Meningkatkan Kualitas Produk SWRO Pada Sistem Reverse Osmosis PLTGU Tambak Lorok Prayudi Prayudi; David Ariyanto
JURNAL POWERPLANT Vol 2 No 2 (2014): JURNAL POWER PLANT
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/powerplant.v2i2.816

Abstract

Reverse Osmosis systems at Pond PLTGU Lorok is a system that has the principle of using a micro filtration membrane. Applying the theory behind the osmotic pressure which will be filtered sea water into fresh water. Reverse Osmosis system in the absence of biocide chemical injection system which serves to prevent the formation of organic fouling in membrane. In the SWRO system using a feedwater in the form of sea water where a lot of particulate matter contained therein. If the particulate escaped from pretreatment system will be able to clog the membrane. So that the flow rate will reduce the yield of the product as well as increase the value of the product konduktivity SWRO. In order to improve its quality, it is necessary to dissolve Chemical Cleaning foulant attached to the membrane. From the results of the Chemical Cleaning has been done then obtained an increase in the flow of products SWRO of 27 liters / minute.
Analisa Gangguan Inlet Guide Vane Pada Gas Turbine Generator Tambak Lorok Menggunakan Metode Root Cause Failure Analysis Prayudi Prayudi; Arie Wicaksono
JURNAL POWERPLANT Vol 4 No 1 (2016): JURNAL POWER PLANT
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/powerplant.v4i1.834

Abstract

IGV (Inlet Guide Vanes) is a component of the main supporters of a GTG (Gas Turbine Generator), IGV serves as a regulator of the flow rate of air entering the compressor when heading to the GTG start up and during operation. In operation there is the possibility of interference with the IGV that can make the performance of GTG decreased or even the most fatal trip can download the GTG. Problematic sources of interference from an IGV can come from various sources. To determine what resources are causing problematic function of IGV required an analysis method that is able to parse problems / disorders that actually happened. The method used is RCFA (Root Cause Failure Analysis), RCFA an analysis method that is able to break down the root cause of the occurrence of a problem / nuisance. By using the method RCFA expected problems can be resolved with due diligence and it is possible to not reappear at a later time.
Co-Authors Arie Wicaksono David Ariyanto Ik Agla