Umshini wokupakisha we-vacuum wokupakisha izinto eziqhumayo zempuphu

Njengoba umkhiqizo, embonini yokudla nakweminye imikhiqizo embonini, ngesimo sokusebenza kuyahlukahluka, izinto eziwuphawuda nazo zivame kakhulu. Lokhu kwenza ukusetshenziswa ekupakisheni, ngokuqinisekile kuzoba uhlobo lwempahla oluyimpuphu olupakishwe, ngakho-ke, iyini imbangela yokuqhuma kwempuphu yokupakisha imishini?

Isimiso sokuqhuma kwempuphu: Okokuqala ukubheka ukuhlukaniswa kothuli oluqhumayo kanye nokuhlukaniswa. Ngokuvamile kulula ukuqhuma ngengozi yokuqhuma kwempuphu ye-aluminium ecishe ibe yi-0.5%, i-zinc powder, i-ferrosilicon powder, i-magnesium powder, i-iron powder, i-aluminium processing grinding powder, zonke izinhlobo zempuphu yepulasitiki, ukwakheka kwezinto eziphilayo zemithi, ufulawa kakolweni, ushukela, ama-wood chips, udayi, i-bakelite ash powder, i-milk powder, itiye, i-food powder dust, i-coal dust, kanye ne-plant fiber njll. Lezi zinto ziyimbangela yokuqhuma kothuli. I-H, C, N kanye ne-S izakhi ezincishisiwe kalula ezifana nokuba khona, lapho zihlala ndawonye ne-peroxide kanye nothuli oluqhumayo, bese zibola, ngokusabela kwe-oxidation ukukhiqiza inani elikhulu legesi, noma inani legesi lincane, kodwa likhipha inani elikhulu lokushisa. I-aluminium powder, isibonelo, inqobo nje uma isesimweni se-carbon dioxide, isengozini yokuqhuma.

Ukuqhuma kothuli kalula ezimpahleni zomzimba, zamakhemikhali zothuli kanye nezimo zemvelo. Ngokuvamile cabanga ukuthi izinto zitholakala kalula ekushiseni kokuqhuma kokushisa, njengothuli lwamalahle, ikhabhoni, isulfure, njll. Ijubane le-oxidation lezinto liqhuma kalula, njengempuphu ye-magnesium, impuphu ye-aluminium, i-ferrous oxide, udayi, njll. Uthuli olushajiwe kulula futhi ukulibangela ukuqhuma, njengempuphu ye-resin yokwenziwa, uthuli lwefayibha, isitashi, njll. Lezi zinto eziqhuba umoya ezimpofu ezine-electrostatic friction yomshini noma yomoya eqoqwe, lapho zifinyelela inani elithile, zingakhipha ukukhishwa kwenhlansi kagesi, ukuqhuma komlilo.

Ngokuvamile akulula ukubangela ukuqhuma kothuli yinhlabathi, isihlabathi, i-iron oxide, izinto zokugaya, usimende, uthuli lwe-quartz kanye nothuli ngemva kokusha. Izakhiwo ezinjalo zamakhemikhali othuli zizinzile, ngakho-ke akulula ukuzishisa. Kodwa uma lolu hlobo lothuli lukhiqizwa ku-oyili inkungu kanye ne-CO2, i-CH4 kanye negesi kanye negesi evuthayo, kulula futhi ukuqhuma.

Ukuqhuma kothuli okubukwayo okwakhiwa yilezi zinguquko ezintathu ezilandelayo: eyodwa uthuli oluntantayo ngaphansi kwesenzo sokushisa, ukuhluzwa okusheshayo noma igesi ukuze kukhiqizwe igesi evuthayo; Okwesibili, igesi evuthayo nomoya oxutshwe kanye nokushiswa; Okwesithathu uthuli olukhishwa ukushisa okushisayo, ukudluliselwa kokushisa kanye nemisebe yelangabi, indlela yokumiswa noma eduze kothuli, ngemuva kokuqhuma kothuli, umjikelezo wokushisa oshisayo uyaqhubeka. Ngokulandelana kweluphu ngayinye, izinga lokusabela lasheshiswa, ngokushisa okukhulu, ukuqhuma kokuphela kokwakheka. Lokhu kuqhuma, ukusabela kwelangabi kanye nesivinini sokuqhuma, ijubane lamagagasi okuqhuma, ingcindezi izoqhubeka nokusheshisa nokwanda, kanye nokuthuthukiswa ngokukhulu ukushesha.

ukuhlaziywa okungenhla kwezimbangela ze-vacuum umshini wokupakisha Ukuze kufakwe i-powder explosive, leli phepha lethula isimiso sokuqhuma kothuli futhi kulula ngathi ukukhiqiza i-powder explosive substance, sikholelwa ukuthi lokho kungasisiza kangcono ukugwema izingozi ezinjalo. Ngakho-ke, lapho sikhetha umshini wokupakisha , sizonaka ukuthi kumele sikhethe imikhiqizo engaqhumi, lokhu kubaluleke kakhulu.

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