Spiral and horizontal rotating two-level tandem type gutta-percha leaching device

Abstract

The invention discloses a spiral and horizontal rotating two-level tandem type gutta-percha leaching device. The spiral and horizontal rotating two-level tandem type gutta-percha leaching device comprises a spiral leaching device and a horizontal rotating leaching device, wherein the spiral leaching device is obliquely upwards positioned; a material pipe is connected between the two leaching devices and is connected with a solvent pump; a feeding valve is connected to the lower end of the spiral leaching device; a leaching slag outlet is formed in the horizontal rotating leaching device; the lower end of the spiral leaching device is connected with the solvent pump through an overflowing leaching liquid temporary storing tank and then is connected with a proportional evaporation concentrator; the proportional evaporation concentrator is connected with a tube pass of a shell-and-tube heat exchanger through a freeze-out separator and then is connected to the spiral leaching device, and the proportional evaporation concentrator is also connected with the horizontal rotating leaching device through the tube pass of another shell-and-tube heat exchanger. According to the spiral and horizontal rotating two-level tandem type gutta-percha leaching device, the spiral leaching device and the horizontal rotating leaching device are connected in series as a whole to perform two-level countercurrent leaching, the spiral leaching is applicable to materials that are difficult to be dissolved, difficult to penetrate and easily blocked, and the horizontal rotating leaching brings high output and achieves energy saving performance and high degree of automation, and therefore, the continuous leaching of gutta-percha is realized; the device has a wide application prospect.

Description

technical field [0001] The invention relates to an extracting device of eucommia gum, in particular to a two-stage tandem type eucommia gum extracting device of spiral and horizontal rotation. Background technique [0002] Eucommia gum exists in Eucommia leaves, bark and fruit. Eucommia gum and natural rubber have the same chemical composition, but different molecular structures. Eucommia gum is trans-polyisoprene, while natural rubber is cis-polyisoprene. Due to the different vulcanization methods of the same Eucommia gum molecule, it can be in rubber state or different plastic state. Therefore, Eucommia gum has very important application value and is an emerging functional material with multiple uses. [0003] Eucommia gum is easily soluble in non-polar solvents such as petroleum ether. After extraction with non-polar solvents such as petroleum ether, the crystals of Eucommia gum can be separated by cooling and freezing. However, the extraction of Eucommia gum is a new in...

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Problems solved by technology

[0003] Eucommia gum is easily soluble in non-polar solvents such as petroleum ether. After extraction with non-polar solvents such as petroleum ether, the crystals of Eucommia gum can be separated by cooling and freezing. However, the extraction of Eucommia gum is a new industry. The properties of Eucommia gum It is also relatively unique, and there is almost no mature experience and technology that can be used for reference. It is feasible to hot-leave Eucommia gum with petroleum ether with a distillation range of 60-90°C, but Eucommia gum has a small solubility in petroleum ether and is easy to form If the snot shape affects the penetration of the solvent, the material is soft and hardened, and it is difficult to complete the leaching operation; if the traditional oil leaching system is adopted, there are series of difficulties such as small solid-liquid ratio, high solvent consumption, difficult penetration, difficult desolventization, difficult evaporation, and easy clogging. , in order to realize the industrialized leaching operation of Eucommia gum, it is necessary to design a new Eucommia gum leaching device

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