Nghiên cứu công nghệ khí hoá than bùn

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Nghiên cứu công nghệ khí hoá than bùn

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NGHIEN CtJtJ CONG NGHE KHI HOA THAN BUN TS N G U Y I N QU«5C BiNH, THS DOAN VAN LUAN Viin Ky Ihuil Nhlit M vi Bio vi Mil Ira/mg TP HCU Tdm tit Bio cio gidi thiiu kit qui nghiin ci?u l/iuc nghiim cdng[.]

NGHIEN CtJtJ C O N G NGHE KHI HOA THAN BUN TS N G U Y I N QU«5C BiNH, THS DOAN VAN LUAN Viin Ky Ihuil Nhlit M vi Bio vi Mil Ira/mg TP HCU Tdm tit: B i o cio gidi thiiu kit qui nghiin ci?u l/iuc nghiim cdng nghi k/i' hie than bOn trin thiit bi Uiu ting d dinh Vdi diiu kiin hda d nhiit dd ti 800 - OOffC, chi di dp a til 0,15-0,25 tutmg gas thu dui/c tmng binh 1,6-1,8 Nm'/kg than bCin; nhiit In Q tt> 1087 -1358 kcai/Nnf: hiiu suit chuyin hda nhiin liiu Imng binh lii'54,3 - 63,6% K/il gas cd lhisi^ dung lim nhiin liiu cho chay tua bin khi, ndi hai, niu kim loai Sin phim gas chiy Ihii cic chit nhiim dat liiu chuin thii QCVN19:2O09/BTNm Abstract: TTie nsport presents the results of gasification experiment in the fixed bed equipment At the experimental conditions of 800 - QOO^C; a< 0,25; the volume of synthetic gas received about 1,6 1,8 Ntti'/kg of peat; energy of gas product was ftom 1087- 1358kcal/Nnt' The average efficiency of transfomtation was from 54,3 - 63,6% The gas product was able to use for electncity, boiler, common furnace The composition of burning of gas pmduct met the QCVN19:2009/BTNMT LBATVANDE litfu la gas Nhom nghien cflu thutfc Vitfn Ky thuat Nhiet ddi va Blo ve M61 tnrdng (VITTEP) cung d i gidi thitfu mtft Viet Nam cd trfl lupng than bun tuong dtfi ldn, udc stf ktft qui nghitfn cflu ctfng nghtf htfa mtft sfi chtft Uiai khoing 7.100 trieu mtft khtfi, lap trung nhitfu d dtfng bang nhu chat thii i l n sinh hoat, chat Uili nganh giay da, Uau stfng Cflu Long (vdl hai m i than Idn la U Minh Thupng v i dtf thu nhien litfu [1,2], U Minh Ha) khoing 5.000 tritfu m', dtfng bang Bac Bfi Trong bai bio ntfy, cae t i c g i l stf gidi thitfu titfp mfit khoing 1.650 tritfu m', ven bien mitfn Tmng khoing 490 tritfu m' [3], Viec nghitfn cflu flng dung Bing 1: thinh phin If hoi ct}3 than hiin dnutic ta vi the gidl fS/ cua than bfln d nude ta nhflng Than bun Viet Than bfln nam qua chO ytfu l i sfl dung l i m phan Ddnvj Thinh phan Nam thtf gidi bdn, cung co mtft stf noi khai thae than Vatiy biln dung i i m nhifin lieu dtft Thinh Chat btfc % Khtfi lupng 50-57 60-70 phan ly hoa cfla than bun d nude ta va Tro 8,0-10,0 2-15 the gidl dua Sang Khtfi IflOnq ritfnq Kq/m' 300-400 Trudc tinh hinh khan hitfm nhiin Kcai/kq 3000 - 5500 Nhiet iuong/kg khtf 4500-5500 lieu trin loin thtf gidi, cac loai nhiin Tl tronq 1,14-1,82 lieu hda thach ngiy cang can kiet, vitfc Thinh phin hoi hoc lim kitfm cac ngutfn nhien litfu khic d l Cacbon(C) 19,5-64,5 50-60 thay Ihtf cing Ird ntfn cap thiel Trong Hydro (H) 1,4-3,5 5-7 nhflng nam qua, da etf nhieu ctfng % Khtfi lupng Oxy (0) 10,0-30,3 30-40 trinh nghiin cflu v i ngoii nude Nliro (N) 1,00-1,52 0,5-2,5 vtf ctfng nghtf nhiet phin, htfa cie Sulphur (S) 0,1-0,4 0,1 - 0,4 loai chat thii, blomass dtf thu nhitfn - CO, hoi nudc, COj SOj, NO, - Mfly sfic k( khf Parkin Elmer: cSc chl tifiu Hj vfl hydrocarbon khflc Q iim VOC, c^nC tro - Cdc dung CM thifit bj phu trp khflc, Opnvi %' % % % b Mfi tilnh nghifin cijru khf h6a 16 9,0 Ktft qui Imng binh 27,0 49,0 Mfi hinh thi nghifim trfin hmh 1, cfi cflc thfing Bing 3: thinh phin % khilluifng ctia chil khd dang sfi thifit bi nhu sau: hOu ca[Budn Mt Thuft) Cfit phin Cfng (gaslfier) Ifl mfit fing hinh tru, cfi Ddnvj Kfit qui STT Chi tifiu tfing chifiu dfli Id 1000 mm Phfin thfin trfin cfi dii(a % (khSi iupng) Carbon (C) 63,61 dfli 750 mm dudng kinh 160mm, phfin did Nilo (N) % (khtfi iupng) 1.78 hinh cfin cfi chifiu dfli 250 mm % (khtfi lupng) Luu huynh (S) 1,25 11.3 Cdch tifin hflnh thf nghifim Hydro (H) % (khCi iupng) 4.87 • Sau gia nhifit tdi nhifit dfi cfln thifit, nap % (khtfi lupng Oxy (0) 28,49 nguyfin lifiu ti; phfiu chUa lifiu (hoper) phfa trAn met tn cua than bun trdn Ihi6( bi Model C200 (Dire) cfit hfia vflo bufing phfin ung M6< me phfln Cmg = 3727 (Kcal/kg) nap 1,0 • 3kg nguyfin lifiu Nguyfin lifiu co kich thudc sfi kfit qufl nghifin cUu cfing nghfi hfia than biin dfi thu ti; 0,5 -1 cm Kfi thira cflc nghifin c i ^ tnJde cua nhfim nghifin khf gas hudng dfin tao nhifin lifiu sach cfi thfi Cmg dung cCru vfi difiu kifin nhifit phfln, hda chfl't thai, dfing tha cho nhifiu ngflnh cfing nghifip khflc vfl sinh hoat qua kfit qufl nghifin cuu so bfi xflc djnh difiu kifin khf hfia, Hy vong kfit qufl nghifin cUu se gfip phfin eho phflt tnfin dfi tfli tifin hflnh nghifin cCru thuc nghifim hda theo ch£ kinh tfi vfl tfln dung ngufin tfli nguyfin Uian bun cua nudc ta dfi nfiu Bfing hpp ly cfi thfi thay thfi cflc ngufin tai nguyfin khflc dang ngfly can kifit gi/7g 4: chU66 nghiin ah/ that nghiim Luong hdi nudc cfip vflo II BOI TimNG VA PHU0NG Nhifit dfi {"C) Chfi dfi cap a (% KL hoi/ KL cfln Carbon) PHAP NGHIEN CUU Bing 2: kit phin tich thinh phin 1) hoi miu than bOn Buin Ma Thudt L !> 11.1 Do'i tirpng, pham vl nghifin cCru - D6i tupng nghifin cCru hoa la Uian bun - Pham VI nghifin eCru" nghifin cCnj trfin thifit bi hofl tang cfi dinh (fixed bed) theo nguyfin ly nguoe ddng 11.2 Phu-dng phflp nghifin ciiru l\2t Nguyen li^u Mau than bijn diing dfi nghifin ciru dupc lay tai Tp Bufin Ma Thufit - tinh Oac Lfic Dac tinh hfia ly, thflnh phan hfia hpc dua B^ng 2; thflnh phan {%) khfii luong cua cha't kho dang hiJu co nfiu Bang ii,2.2, Thiet bj, dyng cu thi nghiem a, ThiSt bl gas - Thifit bi TESTO 360, cfi thfi phan nhu sau; CH^, 181 BAO HO LAO Di Khflng A3 T-^: T2 \ i li 14 T3' Hoi nil3c / • H/nfi 1: Cot hda (gasWer) \ GHI CHU: Hopper chda li^u Cflt phin Png CSn Thitft bi ISm ngufll - CTng vdl mii thi nghitfm, la litfn hdnh ntfng dtf ctfc s i n phIm sinh bao gtf m: CH,, CO, hoi nudc, CO,, H, vP mtft stf khtf c Ctfc m i u gas dupc Irung binh phOI, cich 2-3 phOt lai Itfy miu gas dtf mtft i l n - Thi nghitfm dupc thuc hitfn Iheo chtf dtf ngupc dtfng {Updrafl) Trtfn Hinh IP hinh Inh Ihitft bl nghitfn cijru Ihuc nghitfm ctfng nghtf hda III.KCTaUAVABANlUAH 111,1 Thinh phIn, nhitft trj gas thu dUpc Ktft q u i kitfm Ira phin tmng binh gas va nhitft tri hda than biin dupc dua ctfc Bing + Hinh 2: Hinh inh md hinh nghien ctili thuc nghiim cong nghi hda Bing S: Ihinh phin gas trun J binh dchSdd thi nghiim khoing SOffC Hitfu sutft chuytfn CH, CO CO, H,0 Q a H, (%V) (%V) |%V) (%V) (%V) (Kcal/Nm') 0,15 4,55 23,95 7,93 9,10 7,65 1358 62,0 0,20 4,28 19,03 7,95 11,43 7,50 1178 60,9 0,25 3,70 21,08 8,88 13,65 5,35 1130 Bangi • thinh phan gas trung binh d che thi nghiem khoing CH, CO CO, H,0 Q a H, 'hdan(%) 56,4 85tfC Hieu s u i t chuyen ' hdanC/.) (%V) (%V) (%V) (%V) (%V) (Kcal/ Nm') 0,15 4,35 23,30 7,63 9,85 8,70 1346 63,0 0,20 4,15 20,91 7,73 10,45 10,40 1298 69,2 0,25 3,53 21,02 8,85 10,53 7,83 1176 54,6 Bang? ; phan gas trung 'jinh d che thin Ihlem khoang goifC Hieu suat chuyen hda CH, (%V) CO (%V) CO, (%V) H,0 (%V) H, (%V) Q (Kcal/ Nm>) 0,15 3,20 23,25 7,83 7,53 12,03 1322 1(%) 63,6 0,20 2,48 21,90 8,08 8,35 12,65 1228 61,3 0,25 2,45 20,33 10,65 10,98 9,15 1087 54,3 " • Bingt ' so sinh thinh phin khigas theo cic chi cap khic CH,(%) C0(%) H,(%) Q (Kcal/ Nm') a °C Hieu suat chuyen ' hda ri(%) 0,15 800-900 4,03 23,50 9,46 1342 62,9 0,20 800 - 900 3,64 20,61 10,18 1235 60,5 0,25 800 - 900 3,23 20,81 7,44 1131 55,1 9/2012 ] III.2 Theo dSI diSn bitfn nhlft d f butfng hda Ctfc ktft q u i theo dtfi diln bitfn nhltfl d^ Irong qutf Irinh htfa dupc dua c i c HInh Id • 5, III.3, Theo dtfi i n h hudng cda chtf d * ctfp tdl thdi glan hda Ktft q u i nghitfn CUu ditfn hinh d dltfu kitfn nhitft dtf kN htfad850»C,duaradH/n/i3 III.4 Nh^n xtft Til ctfc tflngS *.7cholhly vdldi&j kitfn hda da nghitfn cdu, d chtf dJ ntf u trtf n Uil gas thu dupc cd nhitft In tmng binh (Q) lir 1067 -1358 kcal/Nm' Hitfu sutft chuytfn hda ning luong {r\) lii 54,363.6% Nhitft Iri va hitfu suit chuytfn hia ning lUdng htfa than bun g i n lupng dudng vdi ktft q u i nghitfn cdu htfa c h i l Ihii sinh hoat, d i l l l l i l i da dtfy, ma nhtfm nghitfn cdu dtf thuc hitfn va ctfng btf mtfi stf ctfng tPnh |1,21 Dicii bit'ii nliivl til) phllII I'rnu Hii (lii'ii kivii kill lli'ii Hinh 3: Diln bllh nhlit di phin iJhg Iheo Ihdl glan d SOO'C Ditn bit'n nliivt cl{i pliiin ixnf, tiii llicu kivn kill hda 850 o f Hinh 4: Diin biin nhlit dd phin ting Iheo thdi glan d SSCPC Dien bien nlii^I Si} pliiin iriiE; Ini llicu ki^n hoa 'HID ii( -TBa=0.25 TBa=

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