煤泥烘干机设计论文.doc

Abstract1 21.1 21.2 21.3 3 42.1 42.2 5 63.1 63.2 73.3 73.4 83.5 83.6 8 9 135.1 135.2 135.3 145.4 141516References1718I xxxxxxxx xxxxIICoal slime rotary dryer DDThe structural design of roller and accessoriesAbstract:Coal slime rotary dryer is widely used in building materials, metallurgy, chemicalindustry, cement industry drying slag limestone, coal, slag, clay and other materialsIt mainlyconsists of rotary body, lifting plate, gear, support equipment and seals and other componentsIthas reasonable structure, well-made, high output, low energy consumption and easy operationItis during the dry, hot air or hot flue gas to heat to the material, so that water evaporation, whilerelying on the role of ventilation, so that the drying medium drying equipment constantly updatedto exclude moistureAs Chinas growing rate of drying operations, in order to meet marketdemand, need to further improve the technical level of the dryer, in the digestion and absorptionof foreign technology, based on the updated design of the dryerKeywords:coal slime rotary dryerdryingtechnical1. 2. 11.11.21.320% 30%25% 28%12%3 4 22.1.2-12-1m?1.814Y200L1-6kM18.5r/min970r/min31217%273%8kcal/kg5500420102.2.(m)(t/h)(%)(%)(KW)(kcal/kg)()1.5x1410-15 273 8 15 5500 420101.8x1415-20 273 8 18.5 5500 420102.0x2020-25 273 8 18.5 5500 420102.2x2025-30 273 8 22 5500 420102.4x2030-35 273 8 30 5500 420102.6x2235-40 273 8 30 5500 420103.0x2445-50 273 8 37 5500 420103.2x2650-55 273 8 45 5500 42010 5 ,6 3333. 3.1.3.13.13.1 , 24min7.0710sRKC?=+ 3-3-1 R0.9m s225 MPa CC=3 mm KK=1 07.7min=410?122590023+=5.5452 mmmin= 10mm12 ,)6.056.0(Llm= 8800=ml7 3.23.23.23.2. , , , ,2rDDH?=3-2-1 HrD2380 mm D1800 mm10 mmD=1800+210=1820 mmH= (2380-1820)/2 = 280L3.3.3.33.33.4. 3.5.3.43.43.6. , 3 r/min 8 3.7.3.53.53.8. 3.9.3.63.63.10. 349 4 4444- 11114444- 22224444- 1111 I=7.1I=6.3 I=5.6I=7.150I=7.11.5(I=6.30)I=7.150I=7.150I=7.131.5I=7.150I=28