Oct 12, 2023 Tso lus

Ua rau Thaiv Spalling Ntawm Refractory Cib Hauv Gasifiers

 

Ntawm ib sab, qhov sib txawv ntawm cib thiab slag yaig:
Causes Of Block Spalling Of Refractory Bricks In Gasifiers
Cib pob qij txha ntawm refractory bricks, tsis tsuas yog rau kev khiav hauj lwm lub xeev ntawm kub molten slag infiltration thiab yaig muab ib tug channel, tab sis kuj no slag yaig nws tus kheej kuj prompted lub cib pob qij txha txuas ntxiv mus. Ob qho kev cuam tshuam no ua rau muaj qhov loj ntawm slag nyob rau hauv kev sib cuag nrog ob sab ntawm lub refractory cib thiab ua rau cov cib yuav tsum overstressed ntawm ob sab thaum lub sij hawm txhua lub voj voog ntawm tshav kub-induced contraction thiab expansion. Lub slag nyob rau hauv lub cib pob qij txha muaj ib tug erosive nyhuv ntawm lub cib tsis tau tsuas yog nyob rau hauv lub radial kev taw qhia, tab sis kuj nyob rau hauv lub circumferential kev taw qhia. Tshwj xeeb tshaj yog nyob rau hauv lub xub ntiag ntawm circumferential tej kab nrib pleb nyob rau hauv lub flanks, lub circumferential yaig sai, ua rau thaiv spalling ntawm qhov chaw. Yog li cov kab nrib pleb ib puag ncig muaj kev cuam tshuam ntau dua thiab cuam tshuam rau lub neej tshaj li cov kab nrib pleb radial.

Causes Of Block Spalling Of Refractory Bricks In Gasifiers

 

Ntawm qhov tod tes, nws yog qhov sib txawv txav ntawm cov cib:
Causes Of Block Spalling Of Refractory Bricks In Gasifiers
Vim muaj ntau txheej txheej ntawm bricks nyob rau hauv lub gasifier cua sov los yog txias txheej txheem, qhov kub thiab txias nce thiab poob tus nqi yog txawv, raws li zoo raws li nyob rau hauv qhov tshwm sim ntawm thermal displacement txheej txheem los ntawm cov kev txwv thiab tsis kam yog sib txawv, yuav ua rau lub cib rau cib txheeb ze hloov chaw. .
Causes Of Block Spalling Of Refractory Bricks In Gasifiers
Qhov kev sib txawv ntawm qhov sib txawv no yuav ua rau muaj kev sib txhuam shear quab yuam ntawm qhov chaw txav ntawm lub cib thiab cib thiab muaj cov nyhuv tearing hauv zos, uas ua rau cov kab nrib pleb. Cov kab nrib pleb no nthuav dav ntawm txhua qhov kev hloov pauv tom ntej, thiab qhov chaw ntog vim qhov kev sib kis ntawm cov slag erosive thiab txo cov xov xwm hauv cov kab nrib pleb, thiab cov txheej txheem cib txav nws tus kheej ua kom yaig ntawm slag hauv cov kab nrib pleb.
Causes Of Block Spalling Of Refractory Bricks In Gasifiers
Txo los yog tshem tawm cov blocks spalling yuav ua rau kom lub neej ntawm refractory cib. Thaum qhov tob tob ntawm ntau tshaj 1.5 hli, thiab muaj qee qhov chaw ntawm thaiv daim ntawv crater, uas yog, lub refractory cib puas los thaiv spalling yog suav tias yog lub ntsiab; thiab tsawg dua 1.5 hli, peb ntseeg tias qhov yaig los ntawm ablation yog qhov ua rau muaj kev yaig.

Causes Of Block Spalling Of Refractory Bricks In Gasifiers

 

 

 

Yog tias koj txaus siab rau cov khoom siv refractory, tiv tauj peb tam sim no!

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