SCR 시스템 구성

<TABLE style="WIDTH: 546pt; BORDER-COLLAPSE: collapse" border=0 cellSpacing=0 cellPadding=0 width=728 x:str> <COLGROUP> <COL style="WIDTH: 94pt; mso-width-source: userset; mso-width-alt: 3555" width=125> <COL style="WIDTH: 140pt; mso-width-source: userset; mso-width-alt: 5319" width=187> <COL style="WIDTH: 312pt; mso-width-source: userset; mso-width-alt: 11832" width=416> <TBODY> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: silver; WIDTH: 94pt; HEIGHT: 13.5pt; BORDER-TOP: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 0.5pt solid" class=xl24 height=18 width=125>구분</TD> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: silver; WIDTH: 140pt; BORDER-TOP: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 0.5pt solid" class=xl24 width=187>부품</TD> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: silver; WIDTH: 312pt; BORDER-TOP: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 0.5pt solid" class=xl24 width=416>기능</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: black 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; HEIGHT: 27pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl25 height=36 rowSpan=2>저장탱크</TD> <TD style="BORDER-BOTTOM: black 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl25 rowSpan=2>우레아탱크</TD> <TD style="BORDER-BOTTOM: #ece9d8; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl25>요소수 저장 탱크(40L)레벨센서.온도센서</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; HEIGHT: 13.5pt; BORDER-TOP: #ece9d8; BORDER-RIGHT: windowtext 0.5pt solid" class=xl26 height=18>10% 미만 시 경고등 점등,30% 미만시 시 엔진출력 제한</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: black 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; HEIGHT: 54pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl25 height=72 rowSpan=4>펌프 모듈</TD> <TD style="BORDER-BOTTOM: black 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl25 rowSpan=4>SUPPLY MODULE</TD> <TD style="BORDER-BOTTOM: #ece9d8; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl25>요소수 저장 탱크 부터 요소수 펌핑/Dosing module로</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: #ece9d8; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; HEIGHT: 13.5pt; BORDER-TOP: #ece9d8; BORDER-RIGHT: windowtext 0.5pt solid" class=xl27 height=18>        요소수 공급</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: #ece9d8; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; HEIGHT: 13.5pt; BORDER-TOP: #ece9d8; BORDER-RIGHT: windowtext 0.5pt solid" class=xl27 height=18>Urea filtre내장(교환주기 100,000km)</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; HEIGHT: 13.5pt; BORDER-TOP: #ece9d8; BORDER-RIGHT: windowtext 0.5pt solid" class=xl26 height=18>Urea supply pressure:MAX 9bar</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: black 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; HEIGHT: 40.5pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl25 height=54 rowSpan=3>분사장치</TD> <TD style="BORDER-BOTTOM: black 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl25 rowSpan=3>DOSING MODULE</TD> <TD style="BORDER-BOTTOM: #ece9d8; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl25>Urea lnjector 기능(배기관 Urea 분사)</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: #ece9d8; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; HEIGHT: 13.5pt; BORDER-TOP: #ece9d8; BORDER-RIGHT: windowtext 0.5pt solid" class=xl27 height=18>장착위치:배기파이프(촉매 전단)</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; HEIGHT: 13.5pt; BORDER-TOP: #ece9d8; BORDER-RIGHT: windowtext 0.5pt solid" class=xl26 height=18>쿨링:엔진 냉각수 이용 cooling/작동온도:-30 ~120"c</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: black 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; HEIGHT: 27pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl25 height=36 rowSpan=2>제어자치</TD> <TD style="BORDER-BOTTOM: black 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl25 rowSpan=2>DCU(Dosing Control Unit)</TD> <TD style="BORDER-BOTTOM: #ece9d8; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl25>요소수 분사량 제어/요소수 라인과요소수 탱크의 히팅 제어</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; HEIGHT: 13.5pt; BORDER-TOP: #ece9d8; BORDER-RIGHT: windowtext 0.5pt solid" class=xl26 height=18>각종 센서류 제어 (배기온도,요소수레밸,nox센서)</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; HEIGHT: 13.5pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl28 height=18>촉매</TD> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl28>촉매</TD> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl28>암모니아를 환원 반응시켜 질소와 물로 분리 배출하는 기능</TD></TR> <TR style="HEIGHT: 13.5pt" height=18> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent; HEIGHT: 13.5pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl28 height=18>표시장치</TD> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl28>클레스터</TD> <TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext; BACKGROUND-COLOR: transparent; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 0.5pt solid" class=xl28>우레아 레벨 게이지 표시</TD></TR></TBODY></TABLE>   ※SCR 시스템 작동과정     - 우레아(요소 수용액)를 배기관에 분사                            ↓     - 우레아 가 고온에서 암모니아로 분해                            ↓     - 암모니아와 nox가 반응하여 nox저감   ＂배기가스 150℃ 이상시 우레아 분사    ˝ 우레아 -5℃ 이하 미작동   ※ SCR 시스템 장착 차량인 경우 매연 저감을 위하여 머플러 내부에 물청소를 해서는 안됩니다.      (머플러 내부 세라믹 재질인 담체가 수분 흡수율이 높기 때문에 고열의 배기 가스로 인하여 열 충격을 받을 수 있습니다.)  ■ 메인필터의 역할  1) 메인 필터는 도징 펌프 내부에 장착되어 있습니다  2) 요소수 순환에 따른 요소수 이물질을 필터링하는 기능을 합니다.  3)교환주기 비 준수시에는 요소수 내의 이물질로 인한 관련 부품 손상으로 엔진체크등     점등 및 엔진출력이 60%로 제한될수 있습니다.   * 메인필터는 1년 또는 100,000km 마다 반드시 교환 해 주어야만 합니다.