Edible fungus waste culture substrate mixed with landscaping waste and sludge as solid fuel and its processing technology
A technology for cultivating substrates and landscaping, applied in the field of solid fuel preparation, can solve the problems of high calorific value, achieve good bonding effect, good molding effect, and improve the effect of molding effect
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[0022] Pretreatment and preparation of starch glue:
[0023] (1) Pretreatment: the moisture content of the waste culture substrate of edible fungi should be controlled within 30%, and the particle size should be controlled within 1~4mm; the sludge is organic water-containing sludge from a sewage treatment plant, and a small amount of quicklime is added to dehydrate and remove it. Bacteria and impurities are removed, and the moisture content is controlled within 30%; the moisture content of landscaping waste is controlled within 15%, and the particle size needs to be controlled within 1~4mm.
[0024] (2) Preparation of starch glue: by weight percentage, tapioca starch 30-40% and water 50-60%, stir and mix at 75°C-80°C, add 0.5-1% CaCl 2 and 5-8% α-amylase, stir evenly, return the temperature to 55°C-60°C, add 3-5% boric acid and stir evenly. Using this method to prepare starch glue, the process is relatively simple, the additives are few, and the starch glue produced has high ...
Embodiment 1
[0026] Mix 30% of the above-mentioned pretreated edible fungus waste culture substrate, 20% of sludge and 30% of landscaping waste, and then add 12% of waste oil and 8% of the starch glue prepared above to mix; send the mixed materials to The solid fuel can be obtained by putting it into a press machine; the prepared solid fuel is passed through a vibrating screen machine to remove broken materials, and then sealed and bagged. The solid fuel pressed according to the above method has good molding effect and high calorific value, and can be pressed into block, rod and granular solid fuel according to different types of press machines.
Embodiment 2
[0028] Mix 30% of the above-mentioned pretreated edible fungus waste culture substrate, 20% of sludge and 35% of landscaping waste, add 10% of waste oil and 5% of the starch glue prepared above; send the mixed materials to The solid fuel can be obtained by putting it into a press machine; the prepared solid fuel is passed through a vibrating screen machine to remove broken materials, and then sealed and bagged.
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