Method for preparing biological oil through vacuum pyrolysis of biomasses
A biomass and bio-oil technology, which is used in the preparation of liquid hydrocarbon mixtures, bio-fuels, and petroleum industries, can solve the problems of increasing the heat transfer efficiency of the reactor and the difficulty of separating cracked oil, so as to improve the condensation effect and alleviate the energy shortage. , the effect of reducing the reaction time
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[0027] Such as figure 1 As shown, the plant diagram of the inventive method includes an interconnected reaction system, a condensation system and a pump system. The reaction system includes a stainless steel reaction kettle 3, a tube furnace 4, and a temperature controller 26. There are interfaces on the flange surface of the reaction kettle, which are respectively connected to the vacuum gauge 7, the blind pipe 5, the first branch L1 and the second branch L2 , The reaction kettle condensation system includes three-stage condensation. The first two-stage condensation tanks are respectively equipped with water and ice-water mixtures. The condensation tank and the stainless steel elbow are welded as one. 9. A collector is connected to the outlet of the stainless steel elbow. The third-stage condensation The tank is ice-salt mixture. The pump system includes an absorber 17 , a drying tower 18 , a buffer bottle 21 , a vacuum pump 20 and a compression pump 22 . A three-way valve ...
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