Device for producing biodiesel from waste edible oil

Abstract

The invention discloses a device for producing biodiesel from waste edible oil. The device comprises a solid-liquid separation tank (1), an oil-water separator (2), an impurity removal tank (3), an esterification tank (4), a phase splitter (7) and a rectification tank (9). The oil-water separator (2) is connected to the bottom of the solid-liquid separation tank (1) and connected with the impurity removal tank (3) through a liquid pump I (16), the bottom of the impurity removal tank (3) is connected with the esterification tank (4) through a liquid pump II (17), a phase splitter (7) is connected to the bottom of the esterification tank (4), the bottom of the phase splitter (7) is connected with a glycerinum collection tank (8) and a feed inlet of a vacuum pump (18) through a three-way pipe, a discharge outlet of the vacuum pump (18) is connected with the rectification tank (9), and the bottom of the rectification tank (9) is connected with a biodiesel collection tank (11). According to the device, waste edible oil can be converted into biodiesel, waste materials are changed into things of value, resources are reasonably utilized, and the problem of energy crisis can be effectively relieved.

Description

technical field [0001] The invention relates to the technical field of biodiesel, in particular to a device for producing biodiesel from catering waste oil. Background technique [0002] Biodiesel refers to oil crops such as soybeans, rapeseed, cotton, palm and other wild oil plants and aquatic vegetable oils such as microalgae, as well as animal oils and catering waste oils, which can be replaced by transesterification or thermochemical processes. Regenerative diesel fuel from petrodiesel. With the increasing depletion of fossil fuels and the sharp rise in oil prices, the search for renewable energy has become a solution to human survival and to maintain the sustainable development of the world economy. As a new alternative energy, biodiesel is developing rapidly in countries all over the world. [0003] Biodiesel is a renewable, efficient, safe and clean energy. Compared with petrochemical diesel, it also has the following advantages: ? Renewable, inexhaustible, and will ...

AI Technical Summary

Problems solved by technology

Although biodiesel is currently prepared from catering waste oil, the yield of biodiesel produced is very low and the product purity is low, which is difficult to meet the market demand

At the same time, there are still the following main problems in the process of biodiesel production: long reaction time, low production efficiency, high energy consumption, easy corrosion of devices, complicated process, high cost, etc., which lead to the inability to fully utilize the waste oil from catering and make it difficult to realize industrial chemical production

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