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Iyatọ Laarin Flushing Ati Quenching ni Slurry Pump Seals



 

Awọn ofin 'flushing' ati 'quench' often seem to be confused or misused when discussing seal support schemes for >slurry bẹtiroli. Gẹgẹbi awọn imọran ti katiriji asiwaju ẹrọ ati katiriji asiwaju ti o kun jẹ iyatọ diẹ, Emi yoo jiroro wọn lọtọ ati ni titan.

 

Mechanical edidi

Awọn ipilẹ darí seal flushing eto jẹ gidigidi o rọrun. O nilo ki omi ti o mọ / mimọ (nigbagbogbo omi) ti ṣe afihan sinu aaye laarin edidi gangan ati ihamọ iṣan ẹgbẹ impeller. Omi ṣiṣan ti wa ni idasilẹ ni titẹ ti o ga ju titẹ fifa lọ, nitorinaa aridaju idawọle rere / fifẹ ti ẹrọ ẹrọ ati agbegbe iṣẹ mimọ.
Flushing jẹ asọye bi “omi kan eyiti o ṣafihan sinu iho edidi ni ẹgbẹ ito ilana, ti o sunmọ oju edidi, ati pe o jẹ deede lati tutu ati lubricate oju edidi naa.

 

When flushing is required, the >slurry fifa olupese ṣeduro Aṣayan API 32 Eto paipu edidi bi o ṣe dara julọ fun awọn iṣẹ ti o ni awọn apiti tabi contaminants ti o le ba awọn oju edidi naa jẹ ti o ba tun kaakiri ni alabọde fifọ.
Omi mimọ ti o mọ ti o pese lati orisun ita ni a lo deede eyiti o fi jiṣẹ si oju idalẹnu akọkọ ni ẹgbẹ ito ti ilana titọ. Nipa lilo igbona ọfun ọfun ti o ni pipade, apoti ohun elo le jẹ titẹ-pada si titẹ ti o ga julọ, ni idaniloju pe omi ṣiṣan ko ni filasi kọja oju edidi naa.

Slurry Pump

Slurry fifa

Ètò ìparun, gẹ́gẹ́ bí orúkọ náà ṣe fi hàn, jẹ́ dídánápa láti pa èdìdì náà tàbí kí ó tutù. O ti wa ni lilo deede ti awọn akoko kukuru ti ṣiṣe gbigbẹ ni a reti. Gẹgẹbi alaworan ni isalẹ, omi ti wa ni idasilẹ si agbegbe laarin ẹhin ti awọn oju edidi ati ijade ti o sunmọ ni ẹgbẹ awakọ ti fifa soke.
O ti wa ni igba ti a lo ti o ba ti a kukuru akoko ti gbẹ yen ti wa ni o ti ṣe yẹ. Omi ti wa ni idasilẹ si agbegbe laarin ẹhin ti oju edidi ati iṣan ti o ni ibamu ni ẹgbẹ wiwakọ ti fifa slurry.


Quenching jẹ asọye bi “ifihan ito didoju (nigbagbogbo omi tabi nya si) sinu ẹgbẹ oju-aye ti edidi lati ṣe idiwọ dida awọn ipilẹ ti o le dabaru pẹlu gbigbe tabi ṣee lo fun awọn idi miiran.
Diẹ ninu awọn edidi quench ni a gbero lati rọpo ihamọ iṣan-ibaramu wiwọ wiwọ pẹlu edidi keji ati iṣan oke kan ti o le ṣe paipu lati gba omi mimu ti a lo ki o si fa kuro ni apejọ iyipo. Sibẹsibẹ awọn opo jẹ kanna, a gbiyanju lati dara awọn asiwaju dipo ju ṣan o ni eyikeyi ọna.

Išọra: Aṣiṣe ti o wọpọ ni lati tẹ apoti naa ju ki o si ba edidi ẹrọ ti o gbowolori jẹ.

Slurry Pump

Slurry fifa

Iṣakojọpọ apoti edidi

The main objective of all flush water programmes is to prevent contamination of the seals by pumped water.The flush water programme for boxes is therefore very similar to the flush water programme for mechanically sealed boxes. However there are still some obvious mechanical differences.  The most notable difference is the addition of a seal (packing) between the inlet and outlet limits. This minimises the amount of flushing fluid consumed.


Lati oju-ọna ti iṣiṣẹ, apoti ohun elo naa yatọ si bi o ṣe nilo jijo diẹ lati rii daju pe lubrication ati lati ṣe idiwọ ooru dagba. Awọn darí apoti asiwaju yẹ ki o wa jo free.
Ofin ti atanpako fun siseto titẹ omi jẹ kanna nigba lilo apoti idii, boya fifọ. Tẹtẹ-pipa titẹ pẹtẹpẹtẹ pẹlu 10% tabi pẹlu 20 psi, eyikeyi ti o tobi julọ. Sibẹsibẹ, sisan oṣuwọn ti ṣeto otooto.

 

Pẹlu iṣeto ifasilẹ boṣewa, ṣiṣan naa nigbagbogbo ni titunse nipasẹ fisinuirindigbindigbin awọn idii titi diẹ ninu awọn isun omi diẹ yoo rii jijo lati awọn edidi ni ẹgbẹ awakọ. Ni a quench iṣeto ni sisan oṣuwọn ṣeto nipa Siṣàtúnṣe iwọn ẹnu àtọwọdá, nigba ti a àtọwọdá ti lo lori awọn eefi ẹgbẹ lati bojuto awọn ti o tọ asiwaju ojò titẹ. Ti o ba ti omi iṣan lati awọn asiwaju apoti jẹ ju gbona, awọn sisan oṣuwọn ti wa ni pọ titi ti omi iṣan cools, nigba ti ṣi mimu awọn ti o tọ apoti seal titẹ.

I hope this short blog has helped to clear up some of the confusion about the seal flush programme. Please always refer to the pump manual for specific details. If there are still questions, welcome to >pe wa loni.

 

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