Film evaporator with stripping device
A thin-film evaporator with gas technology, which is applied in evaporator accessories, evaporation, hydrocarbon distillation, etc., can solve the problems that the refined oil does not meet the market requirements, the product has a large sulfur content, etc., and achieves convenient monitoring, compact equipment structure, Guarantee the effect of the reaction
Inactive Publication Date: 2019-05-03
TONGREN UNIV
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[0002] Thin-film evaporators are used to distribute liquid into a uniform liquid film for evaporation or concentration. It is widely used in the petrochemical industry. When crude oil is processed, thin-film evaporators are used for fractionation, but the sulfur content in the products after fractionation is relatively large, making the finished product The oil does not meet the requirements of the market, and the refined oil needs to be desulfurized again
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[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] see Figure 1-3 , the present invention provides a technical solution: a thin film evaporator with an air stripping device, including a tank body 1, the tank body 1 is a vertically arranged cylindrical structure, and the upper end of the tank body 1 is provided with a first opening 101, The first opening 101 is connected with the external fractionation condensing equipment, the lower end of the tank body 1 is provided with the fifth opening 105, the low...
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The invention discloses a film evaporator with a stripping device. The evaporator comprises a tank body, the tank body has a vertically-arranged cylindrical structure, the upper end of the tank body is provided with a first opening, the lower end of the tank body is provided with a fifth opening, and the lower end of the side wall of the tank body is provided with a fourth opening; the fourth opening is provided with an air inlet pipe communicating with the fourth opening, and the interior of the air inlet pipe is connected with a first valve body in series; the upper end of the side wall of the tank body is provided with a second opening, and the second opening is in communication with an external negative-pressure device; the interior of the tank body is provided with a stirring shaft, the axis of the stirring shaft coincides with the axis of the tank body, and the upper end of the stirring shaft is in fit installation with the inner wall of the tank body through a support; and a motor is fixedly installed on the side wall of the upper end of the tank body, and the output shaft of the motor is connected with the upper end of the stirring shaft through a bevel gear pair. The filmevaporator with the stripping device provided by the invention adopts a stripping method, desulfurization treatment is performed while fractional distillation is performed in the film evaporator, andtherefore a content of sulfur in finished-product oil is reduced.
Description
technical field [0001] The invention relates to the technical field of thin film evaporators, in particular to a thin film evaporator with an air lift device. Background technique [0002] Thin-film evaporators are used to distribute liquid into a uniform liquid film for evaporation or concentration. It is widely used in the petrochemical industry. When crude oil is processed, thin-film evaporators are used for fractionation, but the sulfur content in the products after fractionation is relatively large, making the finished product The oil does not meet the requirements of the market, and the refined oil needs to be desulfurized again. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a thin film evaporator with an air stripping device. Through the air stripping method, desulfurization treatment is carried out while fractional distillation is carried out inside the thin film evapor...
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IPC IPC(8): C10G7/00B01D1/22B01D1/30
Inventor 任富忠余江红
Owner TONGREN UNIV