Iindlela ezilungileyo zokuCoca iSodium Hydrosulfide ngokufanelekileyo

imvelaphi

Kwishishini le-petrochemical, ii-refineries zihlala zivelisa iigesi ze-asidi ngexesha lemisebenzi yokucubungula efana ne-vacuum distillation kunye ne-catalytic cracking. Ezi gesi ze-asidi ngokubanzi ziquka i-85%-95% ye-hydrogen sulfide, i-3%-10% ICarbon i-dioxide, iigesi zendalo ezi-2%-5%, kunye nezinye izinto ezi-0.5%-3%. Iifektri ezincinci neziphakathi zihlala zisebenzisa isisombululo se-caustic soda esingama-30% ukufunxa iigesi ze-asidi eziveliswa ngexesha lokucocwa. I-caustic soda isabela kunye ne-hydrogen sulfide ukuze yenzeke. ISodium Hydrosulfide. Xa i-sodium hydrosulfide concentration kwisisombululo ifikelela kwi-30%, isisombululo sigxininiswe ngakumbi. Emva kokuchithwa kwamanzi kunye nokugxininiswa, umxholo we-sodium hydrosulfide kwisisombululo unokufikelela kwi-70%, kwaye i-sodium hydrosulfide icutshungulwa ibe ngamacwecwe.

Nangona kunjalo, ubukho bekhabhon diokside kwiigesi ze-acidic buvelisa ukungcola kwe-sodium carbonate ngexesha lenkqubo yonyango, echaphazela ukucoceka kwemveliso ye-sodium hydrosulfide. Ukongeza, ukusebenzisa isilayi esivulekileyo sokusika i-sodium hydrosulfide etyhidiweyo kunokukhokelela ekuphenduleni kwe-oxidation kunye neoksijini emoyeni, ivelise i-thiosulfate, ethanda ukuwohloka kwaye kunzima ukuyigcina. Ukusikwa okuvulekileyo kukwathanda ukukhulula iigesi ezicaphukisayo, zingcolise indawo yemveliso.

Indlela yokuSebenza

1. Ukwahlulwa kwe-Centrifugal:

Dlulisa isisombululo esigxininisiweyo se-sodium hydrosulfide ukusuka kwitanki yoxinaniso ukuya kwi-screw centrifuge ethe tyaba yokwahlula, ukufumana ityuwa ekhazimlisiweyo kunye ne-monohydrate etyhidiweyo ye-sodium hydrosulfide.

2. I-Vacuum Insulation kunye nokuPholisa:

Thumela i-monohydrate etyhidiweyo ye-sodium hydrosulfide, emva kokwahlulwa kwetyuwa ekhazimlisiweyo, kwitanki yokugquma i-vacuum yokufudumeza. Emva koko, yipompa kwi-vacuum paddle cooler ukuze uphole kwaye uqiniswe kumaphepha amancinci.

3. Ukuzifaka kwingxowa:

Amaphepha e-sodium hydrosulfide akhutshwa ngevalve yeenkwenkwezi ukuya kumatshini ozenzekelayo wokupakisha.

Ngapha koko, indlela yokucoca i-sodium hydrosulfide ibandakanya la manyathelo alandelayo:

1. Dlulisa isisombululo esigxininisiweyo se-sodium hydrosulfide ukusuka kwi-tank yoxinaniso ukuya kwi-screw centrifuge ethe tyaba yokwahlula, ukufumana ityuwa ecocekileyo kunye ne-monohydrate monohydrate sodium hydrosulfide.

2. Thumela ityuwa ecwebezelayo efunyenwe kwi-centrifugation kwi-dryer, apho iqala ukuphelelwa ngamanzi emzimbeni kwindawo yokufudumeza yomgangatho ophezulu wesomisi, kwaye ingena kwicandelo lokupholisa loluhlu olungaphantsi lokupholisa ngaphambi kokuba luqokelelwe njenge-arhente yonyango lwamanzi ukuze isetyenziswe kamva.

3. I-monohydrate etyhidiweyo ye-sodium hydrosulfide, emva kokuhlukana kwetyuwa e-crystallized, ithunyelwa kwi-vacuum insulation tank ukufudumeza. Ithi ke impontshelwe kwisitshixo sevacuum paddle ukuze iphole kwaye iqiniswe ibe ngamashiti amancinci.

4. Amaphepha e-sodium hydrosulfide akhutshwa ngevalve yeenkwenkwezi kumatshini ozenzekelayo wokupakisha.

5. Isigaba segesi esikhutshwe kwitanki yokugquma kunye ne-vacuum paddle cooler iphathwa ngenkqubo yokucoca igesi engcolileyo.

isiphelo

Le ndlela iqala ukwahlula iityuwa ezixutywe ngekristale ezixutyiweyo, njengesodium carbonate, kwisisombululo esigxininisiweyo sesodium hydrosulfide. Emva koko, i-monohydrate etyhidiweyo ye-sodium hydrosulfide iqiniswa ngokuthe ngqo kumaphepha amancinci kusetyenziswa i-vacuum paddle cooler. Ekugqibeleni, imveliso ipakishwe kusetyenziswa umatshini wokugoba ozenzekelayo. Ukuxinwa kokungcola kwe-sodium carbonate kwimveliso kuncitshiswe ukusuka kwi-2.4% ukuya kwi-0.3%. Inkqubo yokupholisa iqhutyelwa kwindawo yoxinzelelo olubi, okunciphisa amathuba okuba i-sodium hydrosulfide idibane nomoya kwaye iqhube i-oxidation, ikhusela ngokufanelekileyo ukuwohloka kwemveliso. Ukusetyenziswa kwenkqubo evalelwe ngokupheleleyo yokuhlanjululwa kwe-sodium hydrosulfide iqinisekisa ukuba akukho gesi ezicasulayo ezikhutshwayo ngexesha lenkqubo, ukuphepha ukungcola okwesibini kwindalo. Amaphepha e-sodium hydrosulfide aphethwe ngokuthe ngqo, ukukhusela ukungcola ngexesha lokugcinwa. Ukongezelela, olu qulunqo lubonisa indlela elula, ifuna izixhobo ezincinci, kwaye ineendleko eziphantsi.