
67
INZ-TN2ZPB-E
7.4 Cleaning of sampling cell
(QWU\RIGXVWRUZDWHUGURSVLQWKHVDPSOLQJFHOOFRQWDPLQDWHVWKHLQWHULRURIWKHFHOOWKXVUHVXOWLQJ
LQDGULIW&OHDQWKHLQVLGHLIGLUW\7KHQFKHFNWKHVDPSOLQJGHYLFHHVSHFLDOO\WKH¿OWHUWRSUHYHQW
WKHFHOOIURPEHLQJFRQWDPLQDWHGE\GXVWRUPLVW
7.4.1 Disassembly and assembly of sampling cell
7KHUHDUHWZRNLQGVRIVDPSOLQJFHOOVEORFNFHOOVFHOOOHQJWKPPPPPPPPDQG
SLSHFHOOV&HOOOHQJWKPPPPPPDQGPP
FRPSRQHQWDQDO\]HUPD\LQFRUSRUDWHERWKVDPSOLQJFHOOVLQRQHRSWLFDOXQLW,QVXFKDFDVH
GHWDFKWKHSLSHFHOODQGWKHQEORFNFHOO6HH)LJ
a. How to remove pipe cell (See Fig. 7-1)
6WRSPHDVXUHGJDV,ILWLVKDUPIXOSXUJHWKHSLSHFHOOWKRURXJKO\ZLWK]HURJDV
7XUQ2))WKHSRZHUVZLWFKDQGGLVFRQQHFWWKH3RZHUVXSSO\FRUG
5HPRYHWKHFRYHUZLWKORRVHVFUHZVRQWKHFRYHU
5HPRYHWKHWXEHFRQQHFWHGWRWKHSLSHFHOO
/RRVHQDQGUHPRYHDVFUHZ1RIURPWKHFHOOUHWDLQHU1RIDVWHQLQJWKHSLSHFHOO
ERWKHQGV
5HPRYHWKHFHOOIURPWKHPHDVXULQJXQLWDQGXQVFUHZWKHLQIUDUHGWUDQVPLVVLRQZLQGRZ1R
DWERWKHQGVLQWKHULJKWGLUHFWLRQ
)RUDVVHPEO\UHYHUVHWKHGLVDVVHPEO\SURFHGXUHDQGPDNHVXUHWRSXWWKHVSDFHLQPP
EHWZHHQOLJKWVRXUFHXQLWDQGPHDVXULQJFHOODQGGHWHFWRU
,QDGGLWLRQVFUHZWKHSLSHSDUWRIJDVLQOHW1RZLWKZLQGRZRQWKHERWKVLGHWRWKHPHD
-
VXULQJFHOOZLWKPDWFKLQJWKHSLSHSDUWDQGPDUNHGSDUWRIPHDVXULQJFHOO
Maintenance actions should only be accomplished by properly trained and qualified personel.
Not withstanding these maintenance steps, local facility and organizational safety program
requrirements must be followed.
CAUTION
Sampling cell