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CN-122012181-A - Natural plant essential oil low-temperature distillation extraction device and equipment

CN122012181ACN 122012181 ACN122012181 ACN 122012181ACN-122012181-A

Abstract

The invention relates to the field of distillation and extraction of plant essential oil, in particular to a low-temperature distillation and extraction device and equipment of natural plant essential oil, comprising a distillation bottle and a distillation unit; the distillation bottle is of a spherical structure, the distillation single device further comprises a cleaning unit and a first rotary driver, the cleaning unit is arranged right below the distillation bottle, the first rotary driver is horizontally arranged on one side of the distillation bottle, the cleaning unit comprises a bearing shell, a cleaning pipe and a first linear driver, the bearing shell is vertically arranged right below the distillation bottle, a first water through hole is formed in the bottom of the bearing shell, the cleaning pipe vertically penetrates through the bottom of the bearing shell and is in sliding fit with the bearing shell in the vertical direction, a spray head for spraying cleaning liquid is arranged at the upper end of the cleaning pipe, and the first linear driver is arranged below the cleaning pipe and is used for driving the cleaning pipe to move. The invention realizes the automatic cleaning operation of the distillation flask, and manual disassembly, cleaning and reloading of the distillation flask are not required in the whole process.

Inventors

  • XU LIPING
  • ZHU GUOAN
  • Ha Xia

Assignees

  • 四川化工职业技术学院

Dates

Publication Date
20260512
Application Date
20260402

Claims (10)

  1. 1. A low-temperature distillation and extraction device for natural plant essential oil comprises two groups of distillation monomer devices, wherein each group of distillation monomer devices is provided with a distillation bottle (1) with an opening (11) and a distillation unit (2) arranged obliquely above the distillation bottle (1); The device is characterized in that the distillation bottle (1) is of a spherical structure, and the distillation monomer device further comprises a cleaning unit (3) and a first rotary driver (4); the cleaning unit (3) is arranged right below the distillation flask (1); The first rotary driver (4) is horizontally arranged at one side of the distillation flask (1) and is used for driving the distillation flask (1) to rotate, and an opening (11) of the distillation flask (1) can face the distillation unit (2) and be connected with the distillation unit or vertically face downwards; the cleaning unit (3) comprises a receiving shell (31), a cleaning tube (32) and a first linear driver (33); the bearing shell (31) is vertically arranged under the distillation flask (1), and a first water through hole (311) for discharging wastewater is formed in the bottom of the bearing shell (31); the cleaning pipe (32) vertically penetrates through the bottom of the bearing shell (31) and is in sliding fit with the bearing shell (31) along the vertical direction, and a spray head for spraying cleaning liquid is arranged at the upper end of the cleaning pipe (32); A first linear actuator (33) is provided below the cleaning tube (32) and is used to drive the cleaning tube (32) to move.
  2. 2. A device for the cryogenic distillation of natural plant essential oil according to claim 1, characterized in that the upper part of the receiving shell (31) is flared.
  3. 3. The low-temperature distillation and extraction device for natural plant essential oil according to claim 1, wherein a second water inlet (312) capable of feeding and discharging water is further formed in the bottom of the receiving shell (31), a water source for heating the distillation flask (1) in a water bath can be stored in the receiving shell (31), a heating wire (313) for heating the water source is arranged on the outer side of the receiving shell (31), and a temperature sensor for detecting the temperature of the water source is arranged on the inner side of the receiving shell (31).
  4. 4. A device for extracting natural plant essential oil by cryogenic distillation as claimed in claim 3, wherein the receiving shell (31) is provided with a through groove for the cleaning tube (32) to pass through, the through groove is provided with a first sealing ring (314), and the inner ring of the first sealing ring (314) is in interference fit with the outer side of the cleaning tube (32).
  5. 5. A device for the cryogenic distillation extraction of natural plant essential oils according to claim 4, characterized in that the cleaning unit (3) further comprises a collection tank (34) and an extension sleeve (35); The collecting box (34) is arranged below the bearing shell (31); the extension sleeve (35) is vertically and fixedly arranged on the collecting box (34), the cleaning pipe (32) penetrates through the inner side of the extension sleeve (35), a water storage bin is formed between the outer side of the extension sleeve (35) and the inner side of the collecting box (34), the water storage bin is used for storing water leaking from the cleaning pipe (32) and a penetrating groove, and the vertical projection of the lower end of the cleaning pipe (32) covers the vertical projection of the extension sleeve (35).
  6. 6. A natural plant essential oil cryogenic distillation extraction device according to claim 3, characterized in that the distillation monomer device further comprises a ring frame (5) and a drive unit (6); The annular frame (5) is arranged at the outer side of the distillation flask (1), and the distillation flask (1) and the first rotary driver (4) are arranged on the annular frame (5) and can synchronously rotate along with the annular frame (5); the driving unit (6) is arranged on one side of the annular frame (5) and is used for driving the annular frame (5) to rotate in a reciprocating manner.
  7. 7. The cryogenic distillation extraction device of natural plant essential oil according to claim 1, characterized in that the distillation unit (2) comprises a swivel joint (21), a gland (22), a second linear drive (23) and an exhaust pipe (24); the rotary joint (21) is obliquely arranged at one side of the distillation flask (1); the sealing sleeve (22) is fixedly arranged at the end part of the rotary joint (21) facing the distillation flask (1) along the extending direction of the rotary joint (21), and the sealing sleeve (22) can be in plug-in fit with the opening (11) of the distillation flask (1); the second linear driver (23) is arranged on one side of the rotary joint (21), and the second linear driver (23) is used for driving the rotary joint (21) to move along the extending direction of the rotary joint (21); the exhaust pipe (24) is arranged on one side of the rotary joint (21) away from the distillation flask (1) and is communicated with the rotary joint (21).
  8. 8. The low-temperature distillation and extraction device for natural plant essential oil according to claim 7, wherein a limiting protrusion (12) is arranged around the opening (11), a limiting groove (222) is arranged on the sealing sleeve (22), and the limiting protrusion (12) is in clamping fit with the limiting groove (222).
  9. 9. The cryogenic distillation and extraction device for natural plant essential oil according to claim 7, wherein the distillation unit (2) further comprises a liquid supplementing pipe (25), a needle valve (26) and a third linear actuator (27); The fluid infusion tube (25) sequentially passes through the rotary joint (21) and the sealing sleeve (22) along the extending direction of the rotary joint (21); the needle valve (26) is arranged at the tail part of the fluid supplementing pipe (25); The third linear driver (27) is arranged at the tail part of the fluid infusion tube (25) and is used for driving the fluid infusion tube (25) to move in the rotary joint (21) along the extending direction of the sealing sleeve (22).
  10. 10. A natural plant essential oil cryogenic distillation extraction apparatus comprising a pre-filtration device and a natural plant essential oil cryogenic distillation extraction device as claimed in any one of claims 1 to 9.

Description

Natural plant essential oil low-temperature distillation extraction device and equipment Technical Field The invention relates to the field of distillation and extraction of plant essential oil, in particular to a low-temperature distillation and extraction device and equipment of natural plant essential oil. Background The existing low-temperature distillation temperature is generally 40-70 ℃, and the low-temperature distillation of the natural plant essential oil can protect heat-sensitive components, reduce oxidative decomposition and improve the purity and quality of the essential oil. Chinese patent publication No. CN118978956A discloses a low-temperature distillation extraction process of natural plant essential oil, which comprises the steps of S1, cleaning plant raw materials, soaking for a period of time, draining the cleaned raw materials, S2, crushing the drained raw materials by a crushing mechanism, packaging the crushed raw materials by filter gauze, S3, squeezing the raw materials packaged by the filter gauze in the step S2 by a squeezer to obtain liquid, S4, filtering the liquid squeezed in the step S2 again by a filtering device to filter impurities in the liquid, S5, collecting the distilled liquid by low-temperature distillation, condensing and radiating, and finally separating oil from water to extract an oil layer. The above-described scheme provides a low-temperature distillation extraction process in which, at the time of low-temperature distillation, inorganic salts, organic polymers, minute particles (plant fibers and cell debris which are not completely removed by filtration) and azeotrope residues, which are not completely removed although a part thereof can be removed by a pre-filtration treatment process, appear at the bottom of a distillation flask with the lapse of distillation time. Thus, the retort requires cleaning after a period of use. In prior art, though can realize two distillation bottles and communication pipeline through setting up two distillation bottles and work in turn, guarantee the continuous of distillation, when cleaning the distillation bottle, need take off the clearance with the distillation bottle, still need reinstallate the distillation bottle after the clearance is accomplished, still need guarantee that the leakproofness of distillation bottle is good during the installation, the operation procedure is loaded down with trivial details. Disclosure of Invention According to the low-temperature distillation extraction device and equipment for the natural plant essential oil, the first rotary driver drives the distillation flask to automatically rotate and switch between the distillation unit and the cleaning unit, the automatic lifting cleaning action of the cleaning pipe is matched, the waste water collection function of the shell is supported, and the alternative work design of the two groups of distillation single devices is realized, so that the automatic cleaning operation of the distillation flask is realized, and manual disassembly, cleaning and reloading of the distillation flask are not needed in the whole process. The operators do not need to execute complicated steps of closing pipelines, exhausting steam, installing leakage detection and the like, and only need to complete basic start-stop and state monitoring of the equipment. In order to solve the problems in the prior art, the invention provides a low-temperature distillation extraction device for natural plant essential oil, which comprises two groups of distillation monomer devices, wherein each group of distillation monomer devices is provided with a distillation bottle with an opening and a distillation unit arranged obliquely above the distillation bottle; The distillation bottle is of a spherical structure, and the distillation monomer device further comprises a cleaning unit and a first rotary driver; the cleaning unit is arranged right below the distillation flask; The first rotary driver is horizontally arranged at one side of the distillation flask and is used for driving the distillation flask to rotate, and the opening of the distillation flask can face the distillation unit and be connected with the distillation unit or vertically downwards; The cleaning unit comprises a bearing shell, a cleaning pipe and a first linear driver; The bearing shell is vertically arranged under the distillation flask, and a first water port for discharging wastewater is formed in the bottom of the bearing shell; The cleaning pipe vertically penetrates through the bottom of the bearing shell and is in sliding fit with the bearing shell along the vertical direction, and a spray head for spraying cleaning liquid is arranged at the upper end of the cleaning pipe; the first linear driver is arranged below the cleaning pipe and used for driving the cleaning pipe to move. Preferably, the upper portion of the receiving shell is flared. Preferably, the bottom of the receiving shell is also provided with a