Phenanthrene extracting method for network control system of phenanthrene extracting device

Abstract

The invention relates to the field of extraction of organic compounds, in particular to a network control system for a phenanthrene extracting device, and an extracting method. The system is characterized in that the device comprises an anthracene oil storage device, a heat conducting oil preheating device, a coal gas generating furnace, a distilling kettle, a rectifying tower, a reaction kettle, a solid-liquid separating device and a dryer, wherein the tower top of the rectifying tower is connected with the reaction kettle through a cooler and a measuring tank in sequence; the reaction kettle is further provided with a compound solvent pipeline which is connected with a solvent tank A and a solvent tank B respectively; the outlet of the reaction kettle is connected with a washing kettle through a scraper type crystallizer in sequence; the scrapper type crystallizer and the washing kettle are provided with outlets which are connected with the solid-liquid separating device respectively; a solid isolate of the solid-liquid separating device enters the drier; and a liquid isolate of the solid-liquid separating device enters a solvent recovering tank through a vacuum catcher. Compared with the prior art, the network control system has the beneficial effects that (1) the process is simple, the system is easy to operate, and the equipment manufacturing cost is low; (2) the purity of phenanthrene is over 98 percent, and the process stability is high; and (3) network intelligent control is realized.

Description

technical field [0001] The invention relates to the field of extraction of organic compounds, in particular to a network control system and extraction method of a phenanthrene extraction device. Background technique [0002] Fee, C 14 h 10 , boiling point 340°C, melting point 101°C, molecular weight 178, density 1.179, molecular structure see figure 1 , is a colorless flaky or needle-like crystal (usually light yellow due to impurity), with blue fluorescence, sublimation, almost insoluble in water, soluble in most organic solvents, including ether, benzene, chloroform, Acetone, acetic acid, carbon tetrachloride, carbon disulfide, etc., slightly soluble in ethanol, methanol and petroleum ether. [0003] Industrial phenanthrene mainly comes from coal tar, which is usually extracted from the anthracene oil fraction within the distillation range of 300°C to 360°C. It is related to temperature. Generally, the content of phenanthrene in high-temperature coking coal tar is abou...

AI Technical Summary

Problems solved by technology

According to comprehensive analysis, vacuum distillation and aromatic compound solvent (aromatic and ethanol) refining process are the most convenient, economical, high in purity and yield, but the conventional distillation process has unstable production performance, low extraction rate, and low degree of automation Insufficient heat and energy consumption, high production cost

Images