EVALUATION OF THE QUALITY OF GAS TURBINE INLETS IN A GAS POWER PLAN

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GOLBABAEI F.; MORADI HANIFI S.; HASSANI H.; SHIRKHANLOO H.; HOSSINI M.

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Journal: Journal of Health and Safety at Work Year:2013 | Volume:3 | Issue:3 Page(s): 35-44

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Title

EVALUATION OF THE QUALITY OF GAS TURBINE INLETS IN A GAS POWER PLAN

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Keywords

GAS TURBINE INTAKE (INLET)Q4

DUSTQ3

CASCADE IMPACTORQ4

PARTICLE SIZE DISTRIBUTIONQ4

CORROSIVE ELEMENTSQ4

Abstract

Introduction: Pollutants in gas turbine air intake can cause erosion, corrosion, fouling as well as reduction of power and efficiency of turbine and noticeable economic losses. In order to select the appropriate filtration system, air monitoring of turbine inlet and its filtration is essential. Therefore, this study was performed to assess the quality of gas turbines inlets in a gas power plant in Tehran.Material and Method: In this cross- sectional study, the concentration of particulates contained in air intake of 4 types of gas turbines, including: Fiat, Assec, Hitachi and mitsubishi were evaluated in second-half of spring season. For this means, 12 series of air samples were collected using 8 stages CASCADE IMPACTOR, model AN -200 made by OGAWA company on cellulose – esterfilters. The DUST concentrations were determined gravimetrically in different ranges of sizes. Then the concentrations of 8 metals including Sodium, Potassiumu Lead, Mercury, Aluminum, Copper and Cadmium were measured using, Atomic Absorption Spectroscopy method and the data were statistically analyzed by SPSS Software, version16.Results: The results showed that the mean of particulate concentration with the diameter less than 4.7 mwere 64%, 66%, 60%, 67% for Fiat, Assec, Hitachi, mitsubishi respectively and it was 64.25% totally. The concentrations of all assessed metals in particulates less than 4.7μ were greater than of larger than 5 m. There were not any differences between particulate concentration in the inlet of Fiat and Hitachi (P>0.05), while in the case of other gas turbine intakes, there were statistically significant differences (P<0.05).Conclusion: Based on mass distribution of particles, the highest concentration belongs to particles with diameter of less than 4.7μ. These particles could damage turbine blades, especially due to the presence of sodium and potassium as CORROSIVE ELEMENTS in this range (200mg/m3). Therefore, this range of particle size must be considered in selecting the air intake filtration system.

Cites

ENVIRONMENTAL AND BIOLOGICAL MONITORING OF EXPOSURE TO MERCURY AND ASSESSMENT OF ITS EFFECTS ON NEUROBEHAVIORAL DISORDERS; A CASE-CONTROL STUDY AMONG WORKERS IN A UNIT OF PETROLEUM INDUSTRY

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APA: Copy

GOLBABAEI, F., MORADI HANIFI, S., HASSANI, H., SHIRKHANLOO, H., & HOSSINI, M.. (2013). EVALUATION OF THE QUALITY OF GAS TURBINE INLETS IN A GAS POWER PLAN. JOURNAL OF HEALTH AND SAFETY AT WORK, 3(3), 35-44. SID. https://sid.ir/paper/235633/en

Vancouver: Copy

GOLBABAEI F., MORADI HANIFI S., HASSANI H., SHIRKHANLOO H., HOSSINI M.. EVALUATION OF THE QUALITY OF GAS TURBINE INLETS IN A GAS POWER PLAN. JOURNAL OF HEALTH AND SAFETY AT WORK[Internet]. 2013;3(3):35-44. Available from: https://sid.ir/paper/235633/en

IEEE: Copy

F. GOLBABAEI, S. MORADI HANIFI, H. HASSANI, H. SHIRKHANLOO, and M. HOSSINI, “EVALUATION OF THE QUALITY OF GAS TURBINE INLETS IN A GAS POWER PLAN,” JOURNAL OF HEALTH AND SAFETY AT WORK, vol. 3, no. 3, pp. 35–44, 2013, [Online]. Available: https://sid.ir/paper/235633/en

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