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  • 한국과학기술정보연구원(KISTI) 서울분원 대회의실(별관 3층)
  • 2024년 07월 03일(수) 13:30
 

선박연료 가열용 250KW급 판형 IoT 전기히터의 기초연구

Basic Study on 250KW-class IoT Electric Heater for Ship Fuel Heating

한국사물인터넷학회논문지 / Journal of The Korea Internet of Things Society, (P)2466-0078;
2021, v.7 no.3, pp.63-68
https://doi.org/https://doi.org/10.20465/kiots.2021.7.3.063
장성철 (한국폴리텍대학 충주캠퍼스)
  • 다운로드 수
  • 조회수

초록

국내의 전기히터 제조업체에서는 기존 제품의 효율을 향상시키는 기술 개발에 집중하고 있다. 선박 연료용 전기히터는 그 크기가 크고 소형화/고효율화에 대한 난이도가 높아 아직까지 기술개발을 시도하는 기업은 많지 않은 실정이다. 기존의 전기히터는 선박 엔진 연료의 유동경로가 단조롭기 때문에 가열매체의 열교환 튜브와의 접촉시간이 매우짧아 가열 효율이 낮은 구조이며, 관형으로 제작되어 있기 때문에 가열효율과 무관하게 부피가 매우 크게 제작되므로가열장치의 설치공간을 확보해야 한다. 이로인해 해외 선진사에서 적용하고 있는 관형 전기히터 장치는 내부의 특정부분이 손상되었을때 관형 가열기를 모두 분해하여야 하고, 열교환 튜브가 손상된 경우에는 열교환 튜브를 모두 분해해야 하므로 유지와 보수에 어려움이 있다. 본 연구에서는 250kW 용량급 판형 전기히터 가열기를 통해 시간당 10ton의선박 엔진 연료를 가열할 수 있고, 최대온도를 150℃까지 설정할 수 있는 판형 전기히터에 대한 기초연구를 수행하였다.

keywords
IoT Electric Heater, Miniaturization/High Efficiency, Ship Engine Fuel, Heat Exchange Tube, IoT 전기히터, 소형화/고효율화, 선박연료, 열교환튜브

Abstract

Domestic electric heater manufacturers are focusing on technology development to improve the efficiency of existing products. The electric heater for ship fuel is large in size and has high difficulty in miniaturization/high efficiency, so there are not many companies that try to develop technology yet. The existing electric heater has a structure of low heating efficiency because the contact time with the heat exchange tube of the heating medium is very short because the flow path of the ship engine fuel is monotonous. Since it is manufactured in a tubular shape, the volume is very large regardless of the heating efficiency. As a result, the tubular electric heater device applied by overseas advanced companies has difficulty in maintaining and repairing because it is necessary to decompose all tubular heaters when a specific part of the inside is damaged and if the heat exchange tube is damaged, all the heat exchange tubes must be decomposed. In this study, a basic study on plate type electric heaters capable of heating 10 tons of ship engine fuel per hour and setting a maximum temperature of up to 150°C was conducted through a 250kW capacity plate type electric heater.

keywords
IoT Electric Heater, Miniaturization/High Efficiency, Ship Engine Fuel, Heat Exchange Tube, IoT 전기히터, 소형화/고효율화, 선박연료, 열교환튜브

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