보일러의 고장원인 및 대책

<TABLE class=text cellSpacing=0 cellPadding=0 width=522 border=0> <TBODY> <TR> <TD><FONT color=#3a0171><B><SPAN class=pp>표. 보일러의 고장원인 및 대책</SPAN></B><BR><BR></FONT> <TABLE class=text cellSpacing=0 borderColorDark=#ffffff cellPadding=3 width=522 borderColorLight=#8e97bc border=1> <TBODY> <TR bgColor=#8e97bc> <TD vAlign=center width=29>번호 </TD> <TD width=129>이상현상 </TD> <TD vAlign=center width=98>예상되는 원인 </TD> <TD vAlign=center width=133>점검방법 </TD> <TD vAlign=center width=91>조치방법 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=4>1 </TD> <TD vAlign=top width=129 rowSpan=4>전원을 투입하여도 표시등이 점등되지 않는다. </TD> <TD vAlign=top width=98>퓨즈가 절단 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>교체 </TD></TR> <TR> <TD vAlign=top width=98>접속단자 이완 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>조여준다. </TD></TR> <TR> <TD vAlign=top width=98>표시등 고장 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>교체 </TD></TR> <TR> <TD vAlign=top width=98>정전 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>  </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=5 s>2 </TD> <TD vAlign=top width=129 rowSpan=5>급수펌프스위치를 넣어도 토출압력이 올라가지 않는다. </TD> <TD vAlign=top width=98 rowSpan=4>캐비테이션 또는 공기 흡입 </TD> <TD vAlign=top width=133>펌프흡입측 스트레이너를 풀고,  </TD> <TD vAlign=top width=91>청소 </TD></TR> <TR> <TD vAlign=top width=133>밸브의 개폐상태, </TD> <TD vAlign=top width=91>패킹교체 </TD></TR> <TR> <TD vAlign=top width=133>연결부, </TD> <TD vAlign=top width=91>조여준다. </TD></TR> <TR> <TD vAlign=top width=133>압력 등을 첵크 </TD> <TD vAlign=top width=91>  </TD></TR> <TR> <TD vAlign=top width=98>급수가 공급되지 않는다. </TD> <TD vAlign=top width=133>탱크수위점검, 펌프, 경수연화장치의 작동점검  </TD> <TD vAlign=top width=91>재조정 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=3 s>3 </TD> <TD vAlign=top width=129 rowSpan=3>급수펌프의 진동, 이상음 발생  </TD> <TD vAlign=top width=98>캐비테이션 또는 공기 흡입 </TD> <TD vAlign=top width=133>上同 </TD> <TD vAlign=top width=91>  </TD></TR> <TR> <TD vAlign=top width=98>커플링의 중심이 잡히지 않음 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>재조정 </TD></TR> <TR> <TD vAlign=top width=98>베어링 파손 </TD> <TD vAlign=top width=133>분해점검 </TD> <TD vAlign=top width=91>교체 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=5 s>4 </TD> <TD vAlign=top width=129 rowSpan=5>분사펌프의 진동, 이상음 발생  </TD> <TD vAlign=top width=98 rowSpan=3>캐비테이션 또는 공기 흡입 </TD> <TD vAlign=top width=133>스트레이너를 풀고,  </TD> <TD vAlign=top width=91>청소 </TD></TR> <TR> <TD vAlign=top width=133>밸브의 개폐상태, </TD> <TD vAlign=top width=91>패킹교체 </TD></TR> <TR> <TD vAlign=top width=133>연결부 등의 점검 </TD> <TD vAlign=top width=91>조여준다. </TD></TR> <TR> <TD vAlign=top width=98>커플링의 중심이 잡히지 않음 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>재조정 </TD></TR> <TR> <TD vAlign=top width=98>연료중에 물이 혼입 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>기름탱크내의 물을 뽑아낸다. </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 s>5 </TD> <TD vAlign=top width=129>압입송풍기의 진동, 이상음 발생  </TD> <TD vAlign=top width=98>모터의 베어링 손상 </TD> <TD vAlign=top width=133>분해점검 </TD> <TD vAlign=top width=91>교체 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=3 s>6 </TD> <TD vAlign=top width=129 rowSpan=3>연소(점화)스위치를 넣어도 버너가 작동되지 않는다.(압입송풍기가 작동되지 않는다.) </TD> <TD vAlign=top width=98 h>압입송풍기의 과부하 </TD> <TD vAlign=top width=133>Thermal relay점검(전류설정치는 정상이다면)  </TD> <TD vAlign=top width=91>reset </TD></TR> <TR> <TD vAlign=top width=98>보호릴레이의 상태불량 </TD> <TD vAlign=top width=133>설치상태점검 </TD> <TD vAlign=top width=91>reset </TD></TR> <TR> <TD vAlign=top width=98>단상운전 </TD> <TD vAlign=top width=133>단자이완 </TD> <TD vAlign=top width=91>조여준다. </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=5 s>7 </TD> <TD vAlign=top width=129 rowSpan=5>연소스위치를 넣어도, 스파크가 발생하지 않는다. </TD> <TD vAlign=top width=98>화염검출기가 자기방전됨 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>교체 </TD></TR> <TR> <TD vAlign=top width=98>화염검출기가 화염 또는 이것과 유사한 밝은 것을 감지 </TD> <TD vAlign=top width=133>爐내 점검 </TD> <TD vAlign=top width=91>爐내 가연물제거 </TD></TR> <TR> <TD vAlign=top width=98 rowSpan=3>점화전극봉 조정불량 </TD> <TD vAlign=top width=133>점화전극, 파이롯트버너 오염 </TD> <TD vAlign=top width=91>청소 </TD></TR> <TR> <TD vAlign=top width=133>점화전극, 점화 트랜스, 2차선의 절연첵크 </TD> <TD vAlign=top width=91>재조정 </TD></TR> <TR> <TD vAlign=top width=133>전극간극 </TD> <TD vAlign=top width=91>재조정 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=4 s>8 </TD> <TD vAlign=top width=129 rowSpan=4>연소스위치를 넣어도, 파이로트버너가 점화되지 않는다. </TD> <TD vAlign=top width=98>착화용 가스가 공급되지 않는다. </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>  </TD></TR> <TR> <TD vAlign=top width=98>가스압력 부적당 </TD> <TD vAlign=top width=133>가스압력 점검 </TD> <TD vAlign=top width=91>재조정 </TD></TR> <TR> <TD vAlign=top width=98>에어 챔버의 열려진 틈에 의해 화염을 끈다. </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>챔버를 조금 닫는다. </TD></TR> <TR> <TD vAlign=top width=98>가스전자밸브의 고장 </TD> <TD vAlign=top width=133>작동점검 </TD> <TD vAlign=top width=91>교체 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=2>9 </TD> <TD vAlign=top width=129 rowSpan=2>연소스위치를 넣어도, 파이로트버너가 점화되지 만 다시 꺼진다. </TD> <TD vAlign=top width=98>화염검출 수광량부족 </TD> <TD vAlign=top width=133>수광면 glass점검 </TD> <TD vAlign=top width=91>glass청소 </TD></TR> <TR> <TD vAlign=top width=98>화연검출의 고장 </TD> <TD vAlign=top width=133>조작스위치를 끄고, 화염검출기를 분리하여 외부에서 라이터등으로 점검 </TD> <TD vAlign=top width=91>교체 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=8 s>10 </TD> <TD vAlign=top width=129 rowSpan=8>연소스위치를 넣어도, 파이로트버너가 점화되지 만 메인 버너에 착화되지 않는다. </TD> <TD vAlign=top width=98 rowSpan=4>연료가 필요량이 분무되지 않거나, 나오지 않는다. </TD> <TD vAlign=top width=133>분사펌프를 운전하여 버너노즐, 스트레이너를 풀어, </TD> <TD vAlign=top width=91>분해청소 </TD></TR> <TR> <TD vAlign=top width=133>급유전자밸브 점검, </TD> <TD vAlign=top width=91 rowSpan=2>분해청소 또는 교체  </TD></TR> <TR> <TD vAlign=top width=133>연료계통 밸브의 개폐점검,  </TD></TR> <TR> <TD vAlign=top width=133>연료탱크의 잔량  </TD> <TD vAlign=top width=91>재급유 </TD></TR> <TR> <TD vAlign=top width=98 rowSpan=2>空然比 불량 </TD> <TD vAlign=top width=133>에어챔버 개도 </TD> <TD vAlign=top width=91>재조정 </TD></TR> <TR> <TD vAlign=top width=133>조절량밸브, 유압점검 </TD> <TD vAlign=top width=91>  </TD></TR> <TR> <TD vAlign=top width=98>연료에 물이 혼입 </TD> <TD vAlign=top width=133>연료탱크 점검 </TD> <TD vAlign=top width=91>물빼기 </TD></TR> <TR> <TD vAlign=top width=98>연료중에 공기 혼입 </TD> <TD vAlign=top width=133>배관의 공기빼기 </TD> <TD vAlign=top width=91>공기빼기 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=6 s>11 </TD> <TD vAlign=top width=129 rowSpan=6>운전중 연돌에서 검정연기가 나온다. </TD> <TD vAlign=top width=98 rowSpan=3>링크장치의 죠인트이완으로 연료량 과잉 공기량부족 </TD> <TD vAlign=top width=133>죠인트부의 점검  </TD> <TD vAlign=top width=91>空然比 재조정 </TD></TR> <TR> <TD vAlign=top width=133>에어댐퍼 개도와 유압의 관계는 적정한가 </TD> <TD vAlign=top width=91>空然比 재조정 </TD></TR> <TR> <TD vAlign=top width=133>공기흡입 점검 </TD> <TD vAlign=top width=91>장해물제거 </TD></TR> <TR> <TD vAlign=top width=98>버너노즐 불량 </TD> <TD vAlign=top width=133>분해점검 </TD> <TD vAlign=top width=91>청소 또는 교체 </TD></TR> <TR> <TD vAlign=top width=98>압입송풍기 역회전 </TD> <TD vAlign=top width=133>회전방향 첵크 </TD> <TD vAlign=top width=91>단자의 선 교체 </TD></TR> <TR> <TD vAlign=top width=98>조절량밸브 또는 첵크밸브의 폐쇄  </TD> <TD vAlign=top width=133>밸브의개도와 유압의 관계는 적정한가 </TD> <TD vAlign=top width=91>분해청소 또는 교체  </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=4 s>12 </TD> <TD vAlign=top width=129 rowSpan=4 h>운전중 연돌에서 흰연기(白煙)가 나온다. </TD> <TD vAlign=top width=98 rowSpan=2>링크장치의 죠인트이완으로 연료량이 적지 않다. </TD> <TD vAlign=top width=133>죠인트부의 점검  </TD> <TD vAlign=top width=91>空然比 재조정 </TD></TR> <TR> <TD vAlign=top width=133>에어댐퍼 개도와 유압의 관계는 적정한가 </TD> <TD vAlign=top width=91>空然比 재조정 </TD></TR> <TR> <TD vAlign=top width=98>버너노즐, 스트레이너 이상 </TD> <TD vAlign=top width=133>분해점검 </TD> <TD vAlign=top width=91>청소 또는 교체 </TD></TR> <TR> <TD vAlign=top width=98>연소실내 미연소 연료가 고여있음  </TD> <TD vAlign=top width=133>爐內점검 </TD> <TD vAlign=top width=91>  </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 s>13 </TD> <TD vAlign=top width=129>배기가스 온도가 지나치게 높다. </TD> <TD vAlign=top width=98>煙官내에 그을음이 다량부착 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>연관청소 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=2 s>14 </TD> <TD vAlign=top width=129 rowSpan=2>증기압력이 규정압력을 초과하여도 보일러가 정지하지 않는다. </TD> <TD vAlign=top width=98>증기압력스위치의압력이 높거나 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>설정치를 낮게한다. </TD></TR> <TR> <TD vAlign=top width=98>증기압력스위치의 작동불량 </TD> <TD vAlign=top width=133>증기압력스위치의 점검 </TD> <TD vAlign=top width=91>조정 또는 교체 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=2>15 </TD> <TD vAlign=top width=129 rowSpan=2>보일러 자동운전중 설정증기압력까지 압력이 상승하지 않는다. </TD> <TD vAlign=top width=98>정격 증발량이상의 증기를 소비시킨다. </TD> <TD vAlign=top width=133>1시간당 보일러의 급수량을 점검 </TD> <TD vAlign=top width=91>보일러의 증설  </TD></TR> <TR> <TD vAlign=top width=98>최대연소 油量이 정격치 이하다. </TD> <TD vAlign=top width=133>최대연소시의 油量을 점검 </TD> <TD vAlign=top width=91>최대연소시의 油量을 정격치에 맞도록 空然比조절  </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=2>16 </TD> <TD vAlign=top width=129 rowSpan=2>진동연소와 맥동연소의 발생 </TD> <TD vAlign=top width=98>분사펌프의 캐비테이션 또는 공기의 흡입  </TD> <TD vAlign=top width=133>4항참조 </TD> <TD vAlign=top width=91>  </TD></TR> <TR> <TD vAlign=top width=98>空然比 부적정 </TD> <TD vAlign=top width=133>에어댐퍼 개도와 유압의 관계는 적정한가 </TD> <TD vAlign=top width=91>空然比 재조정 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=3>17 </TD> <TD vAlign=top width=129 rowSpan=3>연소정지후에도 노즐로부터 기름이 나온다. </TD> <TD vAlign=top width=98>전자밸브의 작동불량  </TD> <TD vAlign=top width=133>이물질이 끼었거나 </TD> <TD vAlign=top width=91>분해청소 또는 교체 </TD></TR> <TR> <TD vAlign=top width=98 rowSpan=2>노즐패킹, 연료 첵크밸브의 작동불량 </TD> <TD vAlign=top width=133>연료의 누출 </TD> <TD vAlign=top width=91>교체 </TD></TR> <TR> <TD vAlign=top width=133>밸브시트에 이물질 또는 시트손상  </TD> <TD vAlign=top width=91>청소 또는 교체 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=2>18 </TD> <TD vAlign=top width=129 rowSpan=2>버너 콘에 카본부착 </TD> <TD vAlign=top width=98>버너노즐 분무불량 </TD> <TD vAlign=top width=133>노즐, 스트레이너의 이상이나 버너노즐 내부 체결부 이완 </TD> <TD vAlign=top width=91>분해청소 또는 교체 </TD></TR> <TR> <TD vAlign=top width=98>스테비라이져의 조정불량  </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>세정유로 세정 </TD></TR> <TR> <TD vAlign=center align=middle width=29 bgColor=#dfe4e6 rowSpan=3>19 </TD> <TD vAlign=top width=129 rowSpan=3>보일러 운전중에 제어반의 전원표시등이 꺼지고 보일러 정지 </TD> <TD vAlign=top width=98>퓨즈 절단 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>교체 </TD></TR> <TR> <TD vAlign=top width=98>접속단자 이완 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>조인다. </TD></TR> <TR> <TD vAlign=top width=98>정전 </TD> <TD vAlign=top width=133>  </TD> <TD vAlign=top width=91>만약의 경우를 대비해, 전원스위치를 끄고, 연료 주밸브를 잠근다.  </TD></TR></TBODY></TABLE></TD></TR> <TR> <TD align=right><A class=con_link href="http://www.buildingmate.net/maintenance/maint_list2.htm" target=_blank><BR></A></TD></TR></TBODY></TABLE> </XSCRIPT>