Mob khaub thuas kos thiab hluav taws kub yog cov dej sib xyaw thiab cov hlau, zinc thiab ib co kav hlau. Cov hlab ntsha hauv cov hlab ntsa yeej kaj huv tom qab ua tas lawm, tab sis vim qee qhov laj thawj yog qhov txias txias thiab txuas ntxiv ua kom yooj yim rau hnov mob nrog cov pa nkev hauv cov huab cua los ua kom tawg. Xws li cov pa roj yog hydrogen sulfide. Cia peb saib cov roj ua ntej no.
Hydrogen sulfide yog ib qho piv txwv uas yog cov tshuaj formula H2S. Raws li ib txwm muaj, nws yog ib qho tsis muaj roj, tsis muaj kaub roj, muaj roj tsw qab thaum lub concentration tsis qis, tsw zoo li qe smelly, tab sis tsis muaj tsw thaum lub concentration siab siab (vim tias cov concentration ntawm hydrogen sulfide yuav ua rau tus mob paj hlwb) . Nws yog nyob rau hauv dej dej thiab yuav yaj tawm txog 2.6 moles ntawm hydrogen sulfide nyob rau hauv 1 mole ntawm dej ntawm 0 ° C. Qhov kev tov dej ntawm hydrogen sulfide hu ua hydrogen sulfate yog ib qho qaug zog. Thaum nws yog rhuab, hydrogen sulfide escapes los ntawm cov dej. Hydrogen sulphide yog ib qho mob thiab mob hnyuv ntxaug, nqus cov me me uas muaj cov tshuaj hydrogen sulfide ua rau tuag tau sai. Tsawg concentrations of hydrogen sulfide muaj teebmeem rau lub qhov muag, ua pa, thiab lub hauv paus paj hlwb, thiab hydrogen sulfide tsis tuaj yeem corrode cov hlab ntaws.
Vim li no, nws muaj ib qho txheej txheem rau cov kev cai ntawm cov xim uas twv txias thiab kos tsis sib haum. Cia peb saib seb lub xeev txoj cai tswjfwm no siv li cas:
Cov kev cai ntawm cov dej txias thiab cov kav dej tawm yuav tsum tau ua raws li SINOPEC Anti-H2S Carbon Steel Seamless Pipe (GB) Cov Kev Kho Mob, thiab ua raws li cov nram qab no: (1) Lub zog tawm σ5 teev nyob rau hauv cov khoom tus qauv tsawg dua los yog sib npaug li 355 MPa. (2) Tawm lub zog ntawm lub zog ntawm cov khoom yog tsawg tshaj los sis sib npaug li 630 MPa. (3) Lub xeev cov ntaub ntawv ntawm cov ntaub ntawv yuav tsum yog normalizing lossis normalizing + tempering. (4) Cov pa carbon tsawg, cov sib npaug ntawm CE yuav tsum tsawg tshaj los sis sib npaug li 0.4%.
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