๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

๋น„์ƒ์ „๋ ฅ2

UPS (Uninterrupted Power Supply : ๋ฌด์ •์ „ ์ „์› ๊ณต๊ธ‰)-๋น„์ƒ์ „์›, ๋น„์ƒ์ „๋ ฅ 2020. 12. 2. 23:45 UPS (Uninterrupted Power Supply : ๋ฌด์ •์ „ ์ „์› ๊ณต๊ธ‰) 1 UPS๋ž€? UPS (Uninterrupted Power Supply : ๋ฌด์ •์ „ ์ „์› ๊ณต๊ธ‰) ์ •์ „์‹œ ๋ฐง๋ฐ๋ฆฌ์—์„œ DC → AC๋กœ ์ผ์ •์‹œ๊ฐ„ ๊ณต๊ธ‰๋˜๋‹ค๊ฐ€ ์ „์›์ด ๊ณต๊ธ‰๋˜๋ฉด ๋‹ค์‹œ Stand-By ์ƒํƒœ๋กœ ๋ฐง๋ฐ๋ฆฌ์— ์ „์›์„ ๋ณด์ถฉํ•˜๋Š” ์žฅ์น˜์ด๋‹ค. • ์ „๊ณต์žฅ UPS ์ „์› ๊ณต๊ธ‰ : Control Room Panel ๋ฐ PLC Panel, Gas Detector Panel, ๋Œ€๊ธฐ ์ˆ˜์งˆ TMS, ๋ˆ„์•ก๊ฐ์ง€๊ธฐ, ๋น„์ƒ์กฐ๋ช… • UPS ๊ณต๊ธ‰์‹œ๊ฐ„ : ์ผ๋ฐ˜์ ์œผ๋กœ 30๋ถ„~1์‹œ๊ฐ„์œผ๋กœ ์„ค๊ณ„๋˜๋ฉฐ, ํ™”๊ด€๋ฒ•์˜ ๊ฒฝ์šฐ 30๋ถ„์œผ๋กœ ์•Œ๋ ค์ ธ ์žˆ๋‹ค. • ์ •์ „ ์‹œ UPS ์ž‘๋™์‹œ๊ฐ„ : m sec ๋‹จ์œ„๋กœ ๋™์ž‘๋จ 440/220 = 440V → 220V 220/12 = 220V → 12V 2..
NH3์˜ ๋ฐฐ์ถœ์ฒ˜๋ฆฌ์™€ NH3+H2O Reaction 2020. 4. 22. 13:35 ์•”๋ชจ๋‹ˆ์•„ (NH3)๋Š” ๋…์„ฑ ๋ฌผ์งˆ์ด๋ฉด์„œ ์ธํ™”์„ฑ ๋ฌผ์งˆ์ž…๋‹ˆ๋‹ค. ๋˜ํ•œ, ์•”๋ชจ๋‹ˆ์•„๋Š” ๊ณ ์••๊ฐ€์Šค ์ž…๋‹ˆ๋‹ค. ๋†’์€ ์ฆ๊ธฐ์••์„ ๊ฐ€์ง„ ๋ฌผ์งˆ๋กœ์จ ๋ชจ๋“  ์••๋ ฅ์šฉ๊ธฐ์—๋Š” ์•ˆ์ „๋ฐธ๋ธŒ(PSV)๊ฐ€ ์„ค์น˜๋ฉ๋‹ˆ๋‹ค. ๋ฐฐ์ถœ๋œ ์•”๋ชจ๋‹ˆ์•„๋Š” Flare stack, RTO๋กœ ์ฒ˜๋ฆฌํ•˜์—ฌ ์—ฐ์†Œ ํ›„ ๋Œ€๊ธฐ๋กœ ๋ฐฐ์ถœ๋ฉ๋‹ˆ๋‹ค. ์ •์ƒ์ ์ธ ์šด์ „์กฐ๊ฑด์—์„œ๋Š” ๋ฐฐ์ถœ๋˜์ง€ ์•Š์œผ๋‹ˆ ๋…„๊ฐ„ ๋ฐฐ์ถœ๋Ÿ‰์€ Zero์— ๊ฐ€๊น๊ฒ ์Šต๋‹ˆ๋‹ค. ์•”๋ชจ๋‹ˆ์•„๋Š” Water์— ๋Œ€ํ•œ ์šฉํ•ด๋„๊ฐ€ ๋งค์šฐ ๋†’์Šต๋‹ˆ๋‹ค. NH3 ๋ถ„์ž์‹ ๊ตฌ์กฐ์˜ ํŠน์ง• ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ์ด์œ ๋กœ Scrubber, Water Pit๋กœ ์ฒ˜๋ฆฌํ•˜์—ฌ ๋ฌผ์— ์šฉํ•ด๋ฅผ ์‹œ์ผœ ์•”๋ชจ๋‹ˆ์•„ ๊ฐ€์Šค๋ฅผ ์ฒ˜๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ๊ณต์žฅ์— ์ •์ „์ด ๋ฐœ์ƒ๋˜๋ฉด Flare stack, RTO๋Š” ๋น„์ƒ์ „๋ ฅ์„ ์ด์šฉํ•˜์—ฌ ์šด์ „์ด ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค๋งŒ ๋น„์ƒ์ „๋ ฅ (UPS ๋“ฑ)์ด ์†Œ์ง„๋˜๊ณ  ๋ณต์ „์— ์ง€์—ฐ๋˜๋Š” ๊ฒฝ์šฐ ์žฅ๊ธฐ๊ฐ„ ์šด์ „์ด ์–ด๋ ต์Šต๋‹ˆ๋‹ค..

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