Thông tin tài liệu
KHOA HQC - CONG NGHE KET QUA NGHIEN CilU THUIC NGHIEM BO PHAN BOC LA MIA TRONG UEN HOP MAY THU HOACH MIA Tg Hanh ', Liccmg Vdn Vugt \ Dd Huu Khi ' TOM TAT Thong qua viec nghiin ciru, phdn iich cdc kit qud thyc nghiem liidm dd d(m yiu Id vd thtrc nghifm da yeu to ciia bg phdn boc la mia LHMTH mia nguyin cdy, bdi bdo xdc dinh dirge cdc yiu td: sd vdng quay 16 boc Id nb = 872.745 (vg/ph), sd vdng quay Id k?p cdy n,, = 267.075 (vg/ph), chiiu cao cdnh bde la /„ = 97,791 (mm) vd luang cung cdp q ^ 4,87515 (kg/s) vdi dieu kiin rdng bugc: ty l? boc sdt Id r}(X(^ < 5%, ty 14 tdn ihuang cdy 9(XQ}< 1%, chi phi ndng luang riing cua bg phgn boc la mia cd gid trj cue liiu Ne = 970.83(Ws/kg) Cdc ihdng sd ndy la ca s& di ihiel ki, chi igo bo plign bde la trin LHMTHM nguyen cdy cd nangsudt 15-17 (tdn/h) Tu lihoa: Bo phgn bde, Uen hap mdy thu hogeh mia, cdnh bde la EXPERMENTAL STUDY RESULTS ON THE LEAF PEELING COMPONENT OF THE SUGARCANE COMBINE HARVESTER Ta Hanh ', Luong Van Vuot ^ Do Huu Khi' SUMMARY This paper shows the study results on working regime of a leaf peeling component in the sugarcane combine harvester Based on single- and multi-factor experiments, with the control conditions of unpeeled leaf ratio TI (xO) < 5% and damaged ratio of sugarcane trunk 4' (xO) < 1%, values of parameters are determined as following: rotation ofthe leaf peeling roller nt = 872.745 rpm; rotation ofthe plant gripping roller njt = 267.075 rpm; height ofthe peeling ribs lc = 97.791 mm; and load factor q = 4.87515 kg.s"' Operating with this regime, the sugarcane leaf peeling component gives minimum specific energy consumption of Ne = 970.83 W.kg-j The parameters' values determined shell be the basis for designing of theleaf peeling component ofthe 15 to 17 tons.h' sugarcane combine harvester Keywords: peeling component, combine harvester, peeling roller, peeling ribs I DAT VAN DE Sli dung bo phan b6c la mia LHMTH mia nguyen cay co tac dung: khong gay nhiem moi truong, tSng ty le thu h6i duang cha biln vi cii tang 1% tap ehat se mk di tir - kg duang/tAn mia ep, gia tang mun la kat qua ciia viee giit cac chit thai ngon, la mia vi vay tir chu ky thii co th6 giam tir 10 den 15% lucmg phan can bon, chu ky thii tir 20 din 25%, d6ng thai, viec phii lop la mia tren ruong sau hoc da giai phong Alelopaticas va kim che su phat triln cua nhilu loai cay co dai, d6ng thai bao ve va kich thich cho cac hoat dpng cua dau tranh sinh hgc ' ThS Tnrcmg cao ddng ^ TS Tniimg Dai hoc Nong nghiep Ha Ngi ^ TS Vi?n cc dien nong nghiap v^ cong nghp STH Tren the giai va nuoc da co nhOng nghien ctiu bo phan boc la mia vai eac nguyen ly, vat lieu Iam canh khac Tuy nhien, nliung "gh'en cuu vS cae_ y6u t6 anh huang qua trinh boc chua Ah cap den nhu: ty le t6n thuang cay, sot la sau hoc va chi phi "^ng luang rieng cua bo phan b6e Qua phan tich, danh gia va tong hgp, bai bao lira chon bo phan boc la mia voi nguyen ly tach, roe t ' ^ ^ S ^gp cap cay cho goc vao truoc va vat ^'^ '^"^ '^^"'^ ^^"^ ^^ '^^P J^^P ^^ "S^ien eiiu ^ai bao trinh bay ket qua nghien ciru thuc nghiem xac dinh dugc cac yeu to nhu: so v6ng quay 16 boc la nb, so v6ng quay 16 kep cay Uk, chieu cao canh boc la U va lugrng cung cap q den ty Ie boc sot la Tl, ty le ton thuong cay ¥ , ^^a phi nang lugng rieng N^ t A P CHi CONG NGHIEP NON© THON - SO 10 - 2013 15 /5 KHOA HQC - C d N G NGH|; n VAT LIEU VA PHlTONG PHAP NGHIEN CUtJ 2.1 V^t li^u nghiSn cuu - CSy mia dugc dai tra tai Viet Nam (giong mia Comus - Aramboo x Q813) - Cac dung cu va thiet bi sir dung: + Oscilloscope so hang Fluke + Ampe kim model 3280-10 ciia hang Hioki + Can dien tir SARTORIUS + Thuoc cap ky thuat hien so de duong kinh cay mia, nhiet ke, im ke c6 hien thi s6 Cgng hoa Lien Bang Diie che tao de nhiet do am nai thi nghiem + D ^ thi nghiem gom: canh hoc lam bang cap thep thay doi dugc ehieu dai; bang tai cap cay c6 thS thay d6i toe bang each thay doi so vong quay mo to 11 nha bo bien tan; he thong cac cap 16 kep, hoc, nit duge truyen dong nho xich, nhong va thay doi dugc s6 v6ng quay nho thay doi cac loai nhong khac nghiem Gc dugc xac dinh: Gc = GM - GT; Trong do: GM - Khoi lugng cSy mia g6m ca la va thiin tru6c thi nghiem; G T - Kh6i lugng than cay sau b6c - Phuang phap xac dinh ty le hao hut ton thuong cay mia sau boc: Ty le hao hyt t6n thucmg cay mia sau hoc dugc xac dinh theo c6ng thiic: Y^=^100% (3) Trong d6: Ga - Khoi lugng t6n thuong tren than eay mia HL KET QUA VA THAO L U ^ So lieu thi nghiem da dugc xii ly va tinh toan voi su trg giiip eua chuang trinh may tinh QHH (Vien C a dien Nong nghiep va CNSTH) 3.1 Anh hirong cua so vong quay Id boc (nb) tM ty le sot (i]), ty Ie ton thiromg («]/) va chi phi nang liromg rieng (Ne) Anh huong cua so vong quay 16 hoc (Ub) tai chi tieu ty Ie sot la sau boc (T)), ty If ton thuang (y) va chi phi nang luong rieng (Ne) dugc trinh bay tren d6 thi hinh 2, 3, Trong thi nghiem cae yeu to dugc tri cac gia tri Ur = 250 v/p; q = 4,5 kg/s; U = 100 mm Hinh I So nguyen ly dan thi nghi$m Bang tai; L6 kep tren; 3, L6 b6cld tren; L6 nit tr6n; Bo ph^n c5ng xich; Lo nit duoi; 7,8 Lo boc li diroi; L6k?pdudi; 10 Mo to truySn dgng cho b9ph§n b6c; 11 M6 to tmyen dpng cho bSng Xai 2.2 Phinmg phap nghien cmi - Phuang phap xii ly s6 lieu thi nghiem; - Phuang phap thuc nghiem don, da ylu t6; - Phuong phap xac dinh miie chi phi nang lugng rieng; N , = — (kWh/kg) ITinh Anh hudng cita sd vdng quay Id boc (nb) tai ty I? sol (rj) (1) Trong do: N - cong suat tieu thu ciia m6i lln thi nghiem (N = U.I.t); q - lugng cung cdp - Phuong phap xac dinh ty le b6c sot: Y=-^100% (2) Trong d6: Ys - Ty ie la c6n lien kit voi than mia sau hoc; Gi - Khdi lugng la lien kit voi than sau boc; Gc - T6ng kh6i lugng la tru6c thi 16 Hinh Anh hudng cua sd vdng quay 16 bde (nb) tdi ty 1$ tdn thucmg cdy (y/) TAP CHI CONG NGHI$P NONG THON • SO 10 - 2013 I KHOA HQC - CONG NGHE r ^ s s s i j s n BF M ã'ã' thyc nghiem va ung dung co gioi hod nong nghiep, Bao yeu t6 anh huong den ehat lugng lam viec cua cao khoa hoc ciia vien Co dien Nong nghiep va che bien bo phan hoc la mia LHMTH mia nguyen nong san cay la : So vong quay boc la X], so vong Pham Van Lang, Bach Qu6c Khang (2004), Quy quay kep eay X2,chieu cao canh boc la X3 hoach hoa thuc nghiem NXB Nong nghiep Meng Y M Li S P, Lm Z S, Ma F L, Lin F, Chen va lugng eung cap X4 W X (2003) Research on mechanism of nonlinear - Bang thuc nghiem da yeu to, da xac dinh arrangement of sugarcane cleaning element in brush dugc muc anh huong ciia mgt so thong so shape Journal of Agricultural Machinery; 34(5): 50- 53 Yanmei Meng *, Yuanhng Chen, Shangping Li, chinh din thong s6 (ham mue tieu) bang cac Chaolin Chen, Kai Xu, Fanglan Ma, Xiaobiao Dai, mo hinh toan ducri dang phucmg trinh h6i quy, Materials and Design 30 (2009) 2250-2258 Technical chinh tac va thi Report, Research on the orthogonal experiment of Thong qua xay dung va giai bai toan numeric simulation of macromolecule-cleaning element for sugarcane thuang lugng co dieu kien rang bugc : ty Ie sot la Ti(xo) < 5%, ty le t6n thuang cay ^(xo)< % Xac dinh dugc ham chi phi nang Iugng rieng Ngay nhiln b;ii: 12/10/2013 cua bg phan boc la mia co gia trj cue tieu Ngay phan bicn; 22/10/2013 Ne ' 970.83(Ws/kg) nb = 872.745 (v/ph); Ngiroi plian bicn; TS Le Sy Hiing, Vien C o dien „r 267.075 (v/ph); lc = 97,791 (mm); nong ngliiep va Cong nglie sau thu hoach TAP CHI CONG NGHIEP NONG THON - SO 10 2013 19 ... GT; Trong do: GM - Khoi lugng cSy mia g6m ca la va thiin tru6c thi nghiem; G T - Kh6i lugng than cay sau b6c - Phuang phap xac dinh ty le hao hut ton thuong cay mia sau boc: Ty le hao hyt t6n thucmg... Oscilloscope so hang Fluke + Ampe kim model 3280-10 ciia hang Hioki + Can dien tir SARTORIUS + Thuoc cap ky thuat hien so de duong kinh cay mia, nhiet ke, im ke c6 hien thi s6 Cgng hoa Lien Bang Diie... le hao hyt t6n thucmg cay mia sau hoc dugc xac dinh theo c6ng thiic: Y^=^100% (3) Trong d6: Ga - Khoi lugng t6n thuong tren than eay mia HL KET QUA VA THAO L U ^ So lieu thi nghiem da dugc xii
Ngày đăng: 28/11/2022, 16:26
Xem thêm:
