Ngoba ngokuvamile kwenzeka lapho usebenzisa i-cavitation yepompo

Izesekeli zomkhiqizi we-slurry futha: ukukhetha kwepompo kufanele kunake ini? Ukumelana nokugqwala kwemigodi kwabampofu ngendlela ehleleke kahle kanje : 12% Cr steels <17% Cr steel Ukugqwala kwengcindezi Ukugqwala kwengcindezi kusho ukugqwala kwendawo kanye nokugqwala ngaphansi kwengcindezi ebangelwa ukusebenzisana kwemvelo. Izinsimbi ze-Austenitic CrNi zithambekele kakhulu ekucindezelekeni ukugqwala ku-Cl medium. Ngokuqukethwe kwe-Cl, izinga lokushisa nengcindezi kujwayeleke kakhulu ukugqwala kwengcindezi. Okujwayelekile Okulandelayo 70 ~ 80 ℃ ngaphandle kokucindezeleka ukugqwala komkhiqizi wephampu ye-slurry. Izinyathelo zokuvimbela ukugqwala kwengcindezi kuphezulu okuqukethwe kwe-Ni (Ni> 25% ~ 30%) Cr ˉ Ni austenitic steel mouth Umkhiqizi wephampu yensimbi engagqwali.

Ukugqwala nokuguga Kubhekisela oketshezini olunesivinini esikhulu endaweni yensimbi egugulekayo. Ngokungafani nokugqwala kokuguguleka koketshezi olubi kanye nokuguga okubangelwa okuphakathi kuqukethe . Izinto ezisetshenziswayo ezihlukene zinokugqwala okuhlukile futhi zimelana nokuguga. Ukumelana ne-abrasion ukugqwala ngomehluko phakathi kokujika okuhle: i-ferritic austenitic – ferritic steel < austenitic steels .

I-Cavitation corrosion I-Cavitation yenzeka lapho iphampu ibizwa ngokuthi ukuguguleka kwe-cavitation okubangelwa ukugqwala. Vimbela ukugqwala kwe-cavitation yendlela esebenzayo futhi elula i-cavitation. Ngokuvame ukwenzeka lapho usebenzisa i-cavitation yepompo, ukuze ugweme ukugqwala kwe-cavitation, izinto ezingamelana ne-cavitation zingasetshenziswa,umkhiqizi wepompo ye-slurryigolide, ithusi le-phosphor, insimbi engagqwali, 12% insimbi ye-chromium. Eqinisweni, umonakalo wokugqwala ngokuvamile uwumphumela womphumela ohlangene wezinhlobo ezihlukahlukene zokugqwala , kuya kusici sokukhetha sokuhlanganisa. Okwesibili, impahla yensimbi yepompo nezindlela zokukhetha 1 Izinto .`

Ziningi futha izinto. Izinto ezivamile zensimbi ziyinsimbi ephonswe, insimbi ekhonjiwe, izinsimbi ze-chromium ezingu-12%, insimbi engagqwali ye-austenitic engu-316L i-aluminium engagqwali nokunye. Ngaphezu kwalokho kukhona insimbi ephezulu ye-silicon cast iron for corrosion media , № Re ⒍ st, Monel , B, Hastelloy C, 904, CD4MCu, titanium, titanium alloy.

Ukwakhiwa kwamakhemikhali okuvamile kwe-alloy material iyipompo evamile enezinto ezisizayo ezingezona ezensimbi: I-Teflon , irabha ye-nitrile, irabha ye-chloroprene, irabha ye-fluorine, irabha yokwenziwa, ngaphezu kwalokho i-FFKM, i-graphite, i-glass fiber egcwele i-PTFE nokunye okunjalo.


Isikhathi sokuthumela: Jul-13-2021