Production and process method for cornstalk cured fuel in cold region
A technology of corn stalk solidification and molding, which is applied in the direction of biofuel and waste fuel, can solve the problem that it is difficult to ensure the molding rate of corn straw solidification fuel, and achieve the effect of low solidification molding rate, good economic benefits, and increased power consumption
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Embodiment 1
[0014] Three varieties of cold-region corn, Xianyu 335, Dongnong 253 and Longdan 47, were collected in mid-October in Qinggang County, Heilongjiang Province.
[0015] Put the corn stalks into a pulverizer for crushing until they reach 22-25 cm. Spray and stir the total weight of the crushed corn stalks to the volume ratio of 35:1 to the liter of biogas slurry after fermentation of pure cow dung. After being sealed and covered, put it in the room at 15±5°C for 2 hours, and then use a flat die or ring die pressing mechanism to take a cylindrical shaped fuel block. The moisture content of the fuel block is measured to be 17~19%, and the density is 1390kg / m 3 , with a shear strength of 45N, put 2kg of molding fuel into a plastic bag, then drop it from a height of 2m to the concrete floor, separate the small pieces and fine powders produced by the impact of the drop, and obtain these pieces and powders with unbroken The ratio of particles is <1%, and the calorific value is 17800 k...
Embodiment 2
[0017] Similarly, the corn stalks in the cold region in Example 1 are put into a pulverizer to pulverize them to 22-25 cm, and the total weight of the pulverized corn stalks in kilograms and the volume ratio of the biogas slurry after pure cow dung fermentation are 35:1. Spray and stir, cover with plastic film, seal it and put it on the site at an ambient temperature above 0°C, under direct sunlight for 2 hours, take a cylindrical fuel block with a flat die or ring die pressing mechanism, and measure the moisture content of the fuel block at 17~ 19%, the density is 1421kg / m 3 , with a shear strength of 42N, put 2kg of molding fuel into a plastic bag, then drop it from a height of 2m to the concrete floor, separate the small pieces and fine powders produced by the impact of the drop, and obtain these pieces and powders with unbroken The ratio of particles is <1%, and the calorific value is 18100 kJ / kg.
Embodiment 3
[0019] Similarly, the corn stalks in the cold region in Example 1 are put into a pulverizer to pulverize to 22 to 25 cm, and the total weight of the pulverized corn stalks in kilograms is 35:1 to the volume ratio of the biogas slurry after fermentation of pure pig manure. Spray and stir, cover with plastic film, seal and place at room temperature 15±5°C, after 2 hours, use flat die or ring die pressing mechanism to take cylindrical shaped fuel block, the measured moisture content of fuel block is 17~19% , the density is 1479kg / m 3 , with a shear strength of 39N, put 2kg of molding fuel into a plastic bag, then drop it from a height of 2m to the concrete floor, separate the small pieces and fine powders produced by the impact of the drop, and obtain these pieces and powders with unbroken The ratio of particles is <1%, and the calorific value is 17050 kJ / kg.
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