
Rice Hull Furnaces for Paddy Drying: the Philippine Rice Research Institute's Experience E.U. Bautista, R.E. Aldas, and E.C. Gagelonia* RICE hull
Commercialisation of a Mobile Flash Dryer for Farmer Cooperatives Manolito C. Bulaong, Renita Srn. Dela Cruz, and Silvestre C. Andales* DRYING of wet
Figure 1. Schematic diagram of the Mobile Flash Dryer showing the principal components. (I) kerosene burner; (I a) rice-hull furnace; (2) engine;
Table 1. Design features and specifications of the mobile flash dryer. Type Continuous flow or recireulating batch Height 2.5 m (without elevator)
1995, ca 25 Philippine pesos (pHP) = US$I), including a 5 h.p. gasoline engine. Table 2 gives a cost and return analysis for the MFD considering two
Table 3. Comparison of costs of various drying options during wet season harvest. Drying option Final Selling cost m.c." % pesos/kg ($/kg) I.
References Bulaong, M.C., Paz, RR, Anchiboy, T.P., and Rodriguez, A.C. 1992. Development and pilot testing of the NAPHlRE mobile flash dryer.
Grain Condition Monitoring and Aeration Control Systems Cao Guanzbi* THE Grain Condition Detection, Analysis, and Venti-lation Control System (GCDA
moisture content and the purpose of the aeration (lowering temperature, reducing moisture contact, or adjusting) are put into the computer. In th
Summary Advanced mathematical models are used to manage grain conditions and provide dynamic real time con-trol of aeration. This automatic control re
Use of Rice Husk Gasification in Grain Drying Chen Zhishun* JIANGSU is one of the important agricultural provinces of China producing on average 32 Mt
purposes, respectively. Fan speed had no significant effect on headrice yield and gennination. Other problems fornlerly associated with earli
Tablet. Test data of the three main types of dryer Types Capacity (t1h) Moisture removal (%) Fuel Fuel consumption (kg/h) Energy consumption in water
wet grain ~rice husk /' gas producer / gas store drum cyclone heat exchanger I elevator conditioning tower \ / dryer burner I fan Figure 2. In
(b) Since the gas in the up-draft type is of more combustible CO and CH4 (but less H2) than the gas in the down-draft type, the up-draft
The Effects of Drying and Shelling on Fusarium spp. Infection and Fusarium Toxins Production in Maize O.S. Dharmaputra*, H.K. Purwadariat, H. Susilo§,
An initial sample was obtained from each replicate Gar) at the beginning of storage, and further samples at I, 2, and 3 months of storage. Each
Table 2. Moisture content of maize treated with different methods of drying during storage. Drying method" n 1II IV Moisture content (%) Duratio
The etTect of maize variety, methods of drying and shelling, and storage duration on population of Fusarium spp. Two species of Fusarium were isolate
NIV and DON contents of maize var. CPJ-2 (1.86 and 0.28 ppm) were higher than those of var. Arjuna (1.80 and 0.25 ppm) (Table 9). NIV contents of
Table 8. Cont'd. b. Deoxynivalenol Source of df ss MS F Value variance A B AxB C AxC 0.03455163 3 0.10848777 3 0.03191734 0.01254132 0.04832163
Food Affairs; and Mr Sunjaya and Mrs I. Retnowati, scientists of Tropical Pest Biology Programme, SEAMEO BIOTROP, for their valuable assistance, R
Table 1. Results of drying tests at different grain depth. fan speed and drying air temperature for the Maligaya 6-ton flat-bed dryer-cum-inclined gra
Drying Simulation: a PC-based, User-orientated Decision Support System for In-store Drying and Aeration of Grains V.K. Jindal, R.e. Martinez, and Le V
• Simulation results can be saved on a file and imported into other software packages for further analysis. Drying Simulation does not o
The Current Situation and Prospects for Grain Drying in Northeastern China Ju JinFeng, Liu Fangjiu, Du ShuXiao, and Xu ZengTao* THE Songliao Plain of
day are kept by state granaries, grain processing fac-tories, state fanns, and feed-processing plants, total-ling about 858 units. Most small,
Table 4. Amount of grain dried by different methods in three provinces of North East China (x 1000t). Province Total Maize Rice Soybean Wheat Oth
Because gas, oil, and electricity are prohibited for heat generation in China, the heat supply for most early stage grain drying is from anthra
The dryer was operated at temperatures of 15-30°C and relative humidities of 30-50%. Table 9 gives the drying time per barn, and Table 10 throughput
Table 8. 1be least input air ratio of various wet grains in aeration drying. Moisture content of wet 16-20 20-24 Above 24 Least input air ratio (m3 a
...L-I--+-+-l-+-+-J Figure 1. Crossflow grain drying machine. 290
1 i • Entry channel for hot air .!. Evacuation channels for spent air HOT AIR CAISSON Figure 2. Mixed flow grain drying machine. Figure 3. Counter-cur
· . . '., . A'7"~"","=-"~"",,,,==,.-==~-t.:\;:~X~·;:~:~·;·: Hopper To blower Inclined grate Frame Figure
Figure S. Mixed flow grain drying machine. Figure 8. A new type of coal-fired hot-air stove. Figure 6. Cylindrical crossflow grain drying machine. I
Figure 9. Radial type mechanical ventilation drying granary. 4-n-lI!JA (0) (b) Figure 10. Plan view of ventilation ducting for (a) arch grain hous
bin, at an airflow rate of 0.8 m3tsec and static pres-sure of 20 to 26 mm water. An average moisture reduction of 1.3 to 1.5%/hour, equivale
Table 2. Summary of drying data for 5-ton in-bin dryer and storage system using Zeta fumaee. Test no. Date and time begun Date and time ended Duration
ers may already have (Le. pig pens that could be converted during periods when drying is needed). The use of existing prime movers, nor
Local adoption The dryer is being promoted to adopters who finance the whole dryer but with technical assistance from PhilRice. The adoption o
Drying Maize and Maize Seed in Vietnam Bui Huy Thanh and Le Doan Dien* IN recent years, maize production in Vietnam has expanded, especially hybrid ma
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