Device and method for extracting nicotine by using complete equipment of short-range distiller

A short-path distillation and complete set of equipment technology, applied in extractive distillation, tobacco, application and other directions, can solve the problems of low purity and low nicotine yield, and achieve the effect of reducing impurity content and preventing oxidative deterioration.

Inactive Publication Date: 2017-10-03
HUBEI HENO BIOLOGICAL ENG CO LTD
8 Cites 2 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the shortcomings of low nicotine yield and low purity in t...
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Abstract

The invention relates to the technical field of nicotine extraction and in particular relates to a device and a method for extracting nicotine by using complete equipment of a short-range distiller. The device comprises a bottom plate, wherein a support rack is fixed on the bottom plate; a distillation tank body is mounted on the support rack; the outer side of the distillation tank body is wrapped with a heating jacket; a motor is connected with the top end of the distillation tank body through a fixing sleeve; the output shaft of the motor is connected with a rotating shaft; a distributor is connected with the upper end of the rotating shaft; membrane scrapers are connected with two sides of the rotating shaft; a condensation circulation pipeline is arranged in the middle inside the distillation tank body; a condenser is connected with the lower end of the condensation circulation pipeline; a feeding hole is formed in one side of the upper end of the distillation tank body; a feeding pump is mounted on one side of the feeding hole; a heavy component outlet is formed in one side of the lower end of the distillation tank body; a light component outlet is formed in the bottom end of the distillation tank body; a vacuum interface is further formed in one side of the lower end of the distillation tank body; and a vacuum pump is connected with the vacuum interface. The invention further provides a method for extracting nicotine by using the complete equipment of the short-range distiller. By adopting the device and the method, the problems of low nicotine yield and purity are solved.

Application Domain

Tobacco treatmentExtractive distillation

Technology Topic

DistillationNicotine yield +3

Image

  • Device and method for extracting nicotine by using complete equipment of short-range distiller
  • Device and method for extracting nicotine by using complete equipment of short-range distiller

Examples

  • Experimental program(3)

Example Embodiment

[0027] Example 1
[0028] The present invention also provides a method for extracting nicotine using a complete set of short-path distiller equipment, including the following steps:
[0029] S1. The crude nicotine organic solution is pumped by the feed pump 14 to the feed port 15, and then enters the distillation tank 2 for the short-path distillation separation process. The feed temperature of the short-path distiller is 62 ℃, and the heating jacket is used 3 Heat the distillation tank 2 to 63°C, use the vacuum pump 5 to vacuum the distillation tank 2 and control the pressure at 12Pa; in order to improve the extraction rate of refined nicotine products, the distillation tank 2 is lightly assembled The ratio of the sub-to-heavy component is controlled to 2/3, and the speed of the film wiper 18 is controlled at 180r/min.
[0030] S2. The final light component refined nicotine product is discharged from the light component outlet 7 into the collection tank 6 for storage.
[0031] The preparation method of crude nicotine organic solution in S1 includes the following steps:
[0032] S3. Crush the tobacco leftovers to a particle size of 2mm for later use, and dilute the concentrated sulfuric acid to 13% H 2 SO 4 Solution for use;
[0033] S4. Add petroleum ether extract to the powdered tobacco leftovers obtained in S1 for extraction, wherein the mixing ratio of petroleum ether and the leftovers is 12mL/1g, the extraction time is 1h, and the extraction temperature is 40℃;
[0034] S5. Add 13% H obtained in S1 to the extract obtained in S2 2 SO 4 The solution is acidified, and after the acidification, the resulting mixed solution is filtered under reduced pressure to obtain a filtrate containing nicotine organic matter;
[0035] S6. Add 13% H obtained in S1 to the extract obtained in S2 2 SO 4 The solution is acidified, and after the acidification is completed, the resulting mixed solution is suction filtered to obtain a filtrate containing nicotine organic matter;
[0036] S7. The filtrate containing the nicotine organics obtained in S4 is subjected to vacuum distillation and concentration, and finally a crude nicotine organic solution with a nicotine content of 15% by mass is obtained.

Example Embodiment

[0037] Example 2
[0038] The present invention also provides a method for extracting nicotine using a complete set of short-path distiller equipment, including the following steps:
[0039] S1. The crude nicotine organic solution is pumped from the feed pump 14 to the feed port 15, and then enters the distillation tank 2 for short-path distillation separation process. The feed temperature of the short-path still is 63°C, and the heating jacket is used 3 Heat the distillation tank 2 to 65°C, and use the vacuum pump 5 to vacuum the distillation tank 2 and control the pressure at 13 Pa; in order to increase the extraction rate of refined nicotine products, lighten the distillation tank 2 The ratio of sub-to-heavy component is controlled to 2/3, while the speed of the film wiper 18 is controlled at 190r/min.
[0040] S2. The final light component refined nicotine product is discharged from the light component outlet 7 into the collection tank 6 for storage.
[0041] The preparation method of crude nicotine organic solution in S1 includes the following steps:
[0042] S3. Crush the tobacco leftovers to a particle size of 2.5mm for later use, and dilute the concentrated sulfuric acid to 15% H 2 SO 4 Solution for use;
[0043] S4. Add petroleum ether extract to the powdered tobacco leftovers obtained in S1 for extraction, wherein the mixing ratio of petroleum ether and the leftovers is 11mL/1g, the extraction time is 2h, and the extraction temperature is 45°C;
[0044] S5. Add 15% H obtained in S1 to the extract obtained in S2 2 SO 4 The solution is acidified, and after the acidification, the resulting mixed solution is filtered under reduced pressure to obtain a filtrate containing nicotine organic matter;
[0045] S6. Add 15% H obtained in S1 to the extract obtained in S2 2 SO 4 The solution is acidified, and after the acidification is completed, the resulting mixed solution is suction filtered to obtain a filtrate containing nicotine organic matter;
[0046] S7. The filtrate containing the nicotine organic matter obtained in S4 is subjected to vacuum distillation and concentration to finally obtain a crude nicotine organic solution with a nicotine content of 17% by mass.

Example Embodiment

[0047] Example 3
[0048] The present invention also provides a method for extracting nicotine using a complete set of short-path distiller equipment, including the following steps:
[0049] S1. The crude nicotine organic solution is pumped by the feed pump 14 to the feed port 15, and then enters the distillation tank 2 for short-path distillation separation process, wherein the feed temperature of the short-path still is 65℃, and the heating jacket is used 3 Heat the distillation tank 2 to 68°C, use the vacuum pump 5 to vacuumize the distillation tank 2 and control the pressure at 15Pa; in order to increase the extraction rate of refined nicotine products, lightly combine the distillation tank 2 The ratio of the sub-to-heavy component is controlled to 2/3, and the speed of the film wiper 18 is controlled at 200r/min.
[0050] S2. The final light component refined nicotine product is discharged from the light component outlet 7 into the collection tank 6 for storage.
[0051] The preparation method of crude nicotine organic solution in S1 includes the following steps:
[0052] S3. Crush the tobacco leftovers to a particle size of 3mm for later use, and dilute the concentrated sulfuric acid to 17% H 2 SO 4 Solution for use;
[0053] S4. Add petroleum ether extract to the powdered tobacco leftovers obtained in S1 for extraction, wherein the mixing ratio of petroleum ether and the leftovers is 12mL/1g, the extraction time is 3h, and the extraction temperature is 50℃;
[0054] S5. Add 17% H obtained in S1 to the extract obtained in S2 2 SO 4 The solution is acidified, and after the acidification, the resulting mixed solution is filtered under reduced pressure to obtain a filtrate containing nicotine organic matter;
[0055] S6. Add 17% H obtained in S1 to the extract obtained in S2 2 SO 4 The solution is acidified, and after the acidification is completed, the resulting mixed solution is suction filtered to obtain a filtrate containing nicotine organic matter;
[0056] S7. The filtrate containing nicotine organic matter obtained in S4 is subjected to vacuum distillation and concentration, and finally a crude nicotine organic solution with a nicotine content of 20% by mass is obtained.
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Description & Claims & Application Information

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