scholarly journals Rancang Bangun Sistem Pengolahan Air Umpan Boiler Untuk Pengembangan Praktikum Sistem Pembangkit II

2021 ◽  
Vol 19 (2) ◽  
pp. 183
Author(s):  
Yiyin Klistafani ◽  
Rezki Arsal ◽  
Rahmawati Rahmawati
Keyword(s):  
Water Treatment ◽  
Boiler Water

Penelitian ini bertujuan untuk menyediakan fasilitas sistem pengolahan air umpan boiler (water treatment) yang sesuai dengan sistem PLTU di Laboratorium Konversi Energi. Adapun langkah-langkah rancang bangun ini diawali dengan survey lapangan, studi literatur, desain kemudian perakitan sistem pengolahan air umpan boiler. Pengumpulan data dilakukan dengan pengujian pada air baku dan air umpan boiler kemudian pengujian filter pasir silika, sedangkan analisa data dilakukan dengan membandingkan data hasil pengujian dengan standar air umpan boiler yang ada. Hasil yang diperoleh yaitu tersedianya sistem pengolahan air umpan boiler dengan menggunakan filter pasir silika dan unit pelunak air yang mampu mengubah sifat air baku dari sadah menjadi lunak.  Berdasarkan hasil pengujian sistem pengolahan air umpan boiler, karakteristik air hasil olahan sudah memenuhi standar air umpan boiler, kecuali pada parameter pH.

scholarly journals Treatment Method Assessment of the Impact on the Corrosivity and Aggressiveness for the Boiler Feed Water

Water ◽  
2019 ◽  
Vol 11 (10) ◽  
pp. 1965 ◽  
Author(s):  
Skoczko ◽  
Szatyłowicz
Keyword(s):  
Water Quality ◽  
Water Treatment ◽  
Saturation Index ◽  
Treatment Plant ◽  
High Water ◽  
Feed Water ◽  
Exchange Cation ◽  
Boiler Water ◽  
The Impact ◽  
Boiler Feed Water

The aim of the study was the assessment of corrosivity and aggressiveness for boiler feed water. The negative effects of water corrosivity and aggressiveness may include silting up of the steel water supply system and the destruction of boiler equipment touched or washed by such water. They may cause the whole industrial production system to fail or be destroyed. That is why it was important to reach a high water purification level, including the calculation of water aggressiveness and corrosivity indicators. The carried out test showed that the simple system used before the modernization of the industrial water treatment plant is not sufficient to reach clean and stable water. The authors proposed modernization, including additional processes to improve boiler water quality, and designed new devices for water treatment. As a result of the new idea, groundwater taken as raw water was treated in individual and complex processes, such as pre-aeration, filtration, ion exchange (cation and anion exchange resigns), extra aeration, and extra degassing. The conducted research included chemical analyses of raw and treated water. In the conducted studies, the indirect method of water aggressiveness and corrosivity assessment was applied using mathematical calculation of the Langelier Saturation Index (LSI), the Ryznar Stability Index (RI), the Larson–Skold Index (LI), and the Singley Index (SI). The results proved that the new proposed processes for the boiler feed water treatment station allow reaching a high water quality and low level of water aggressiveness and corrosion.

Proven Practices in Chemical Control for Steam Power Plants

1967 ◽  
Vol 89 (3) ◽  
pp. 305-309
Author(s):  
F. G. Straub
Keyword(s):  
Water Treatment ◽  
Steam Turbine ◽  
Power Plants ◽  
Water Soluble ◽  
Steam Power ◽  
Boiler Water ◽  
Internal Corrosion ◽  
Steam Power Plants ◽  
The University ◽  
Water Treatments

The author has conducted research on boiler water treatment at the University of Illinois and in many steam power plants during the last forty-three years. This research covered the cause and prevention of water soluble and silica deposits in steam turbine, metal losses in the wet steam areas of the steam turbine, metal pickup in the preboiler feedwater cycle, internal corrosion in boiler tubes including oxygen embrittlement. The author reports that with proper control of the water treatment these difficulties can be prevented. He outlines the water treatments used and reports the favorable results obtained in boilers, many of which have operated for over twenty years (600–2600 psi). He also reports on the operation of a large number of boilers which have operated for a similar number of years without requiring internal acid cleaning. These results only cover the operation of conventional boilers with natural and controlled circulation.

Apparatus for Control of Boiler Water Treatment Based on Chemical Equilibrium.

1925 ◽  
Vol 17 (4) ◽  
pp. 409-411 ◽  
Author(s):  
R. E. Hall ◽  
H. A. Otto ◽  
H. A. Jackson
Keyword(s):  
Water Treatment ◽  
Chemical Equilibrium ◽  
Boiler Water

A Research Study on Internal Corrosion of High-Pressure Boilers

1968 ◽  
Vol 90 (1) ◽  
pp. 21-37 ◽  
Author(s):  
P. Goldstein
Keyword(s):  
Heat Transfer ◽  
High Pressure ◽  
Water Treatment ◽  
Research Study ◽  
Test Facility ◽  
Final Report ◽  
Boiler Water ◽  
Internal Corrosion ◽  
The Third ◽  
Simulated Seawater

The following report is the third and last in a series describing the progress of “A Research Study on Internal Corrosion of High Pressure Boilers.” The first report described the background, scope, and organization of the program as well as the test facility. The second report discussed the methods of testing and the results of the first six runs. This final report describes the results of the last six tests and discusses the conclusions drawn from all of Phases II and III. The scope and an outline of seven tests composing the newly scheduled Phase IV program are also included. The results of runs with three types of boiler water treatment, fouled heat transfer surfaces, and conditions simulating fresh water and seawater condenser leakage are included. Data relating to deposition and corrosion in these environments are presented with particular emphasis on the severe corrosion experienced with simulated seawater condenser leakage.

Diagnosis for Water and Steam Quality Problem in Taishan Ultra-Supercritical Power Plant

2014 ◽  
Vol 1044-1045 ◽  
pp. 291-294
Author(s):  
Mao Dong Li ◽  
Chen Lin Dai ◽  
Jun Ming Zhao ◽  
Yu Hui Du ◽  
Lin Yang ◽  
...  
Keyword(s):  
Water Treatment ◽  
Power Plant ◽  
Dissolved Oxygen ◽  
Working Condition ◽  
Iron Deposit ◽  
Feed Water ◽  
Steam Quality ◽  
Control Effect ◽  
Boiler Water ◽  
Quality Problem

Water and steam quality during operation must be strictly controlled for ultra-supercritical unit. Changes of indicators in water and steam are supervised, water and steam quality and working condition of boiler water, as well as supervision of water and steam quality are reviewed in this paper. Risks of corrosion and scaling in Taishan power plant is assessed. As a result, control effect of TOC is remarkable in Taishan power plant, content of Cl- and SO42- can satisfy the control standard, that is , risk of corrosion and scaling is low. Dissolved oxygen is significantly exceeded in the condensate polishing desalination device , and there has risk of iron deposit. To convert the feed water treatment from AVT(All Volatile Treatment) to OT(Oxygenated Treatment) can solve the problems above .

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