Fracturing proppant yog cov khoom lag luam ceramic nrog lub zog tawg. Nws yog tsuas yog siv rau downhole kev them nyiaj yug nyob rau hauv cov roj teb kom nce zus tau tej cov roj thiab natural gas. Cov khoom no yog ua los ntawm cov khoom zoo bauxite thiab lwm yam khoom siv raw thiab sintered nrog ceramics. Nws yog ib qho kev hloov pauv rau cov khoom siv zog qis thiab nruab nrab xws li ntuj quartz xuab zeb, iav pob, thiab cov khoom hlau. Nws muaj txiaj ntsig zoo rau kev tsim cov roj thiab roj ntau ntxiv. Thaum cov roj thiab cov nkev nkev tau siv rau hauv qhov dej tob, qhov siab kaw thiab qis permeability deposits yog tawg, thiab cov roj thiab roj-cov kabmob pob zeb tsim tau tawg, thiab cov roj thiab cov roj tau sau los ntawm cov kab tsim los ntawm cov kab nrib pleb. Cov khoom siv txhawb nqa ceramsite nkag mus rau qhov tsim nrog rau cov kev daws teeb meem siab los sau cov kab nrib pleb ntawm cov pob zeb tsim, uas ua lub luag haujlwm ntawm kev txhawb nqa cov kab nrib pleb kom tsis txhob raug kaw vim muaj kev ntxhov siab tso tawm, yog li tswj cov khoom siv hluav taws xob siab, tso cai rau cov roj thiab roj. kom ntws, thiab nce ntau lawm. Kev xyaum tau ua pov thawj tias cov roj qhov dej tawg nrog cov khoom siv ceramsite tuaj yeem ua kom ntau lawm los ntawm 30-50% thiab txuas ntxiv lub neej kev pab cuam ntawm cov roj thiab cov qhov dej.
Fracturing proppant tuaj yeem siv dav hauv qhov sib sib zog nqus zoo, siab siab roj thiab roj tsim fracturing hloov kho. Siv cov khoom zoo bauxite ua cov khoom siv tseem ceeb, nws yog crushed thiab finely hauv av rau hauv cov hmoov zoo, tov nrog ntau yam additives, pheej sib tov, granulated, thiab polished. Sintered ntawm qhov kub thiab txias, cov khoom muaj qhov zoo ntawm lub zog siab compressive, tsawg ntom, zoo sphericity, siab smoothness, thiab muaj zog txaus conductivity. Tom qab kev ntsuam xyuas los ntawm lub chaw soj ntsuam kev soj ntsuam tau txhawb nqa los ntawm Langfang ceg ntawm PetroChina Tshawb Fawb thiab Kev Tshawb Fawb Kev Tshawb Fawb Lub Tsev Haujlwm, txhua qhov kev ntsuas kev ua tau zoo tau mus txog SY / T5108-2006 thiab SY / T6302-1997 tus qauv, uas yog nyob rau theem ua.
Qhov zoo ntawm kev siv lub hnab ntim rau ntim cov khoom fracturing yog tias lawv muaj cov yam ntxwv ntawm cov ntim loj, lub teeb yuag, thiab yooj yim thauj khoom thiab tshem tawm. Nws yog ib qho ntawm cov khoom ntim khoom. Nws yog tus cwj pwm los ntawm cov qauv yooj yim, lub teeb yuag, foldable, qhov chaw me me nyob hauv qhov khoob, thiab tus nqi qis.