Device for continuously distilling primary oil from plant raw materials

Abstract

A device for continuously distilling primary oil from plant raw materials belongs to the field of chemical energy equipment engineering, and is characterized in that the plant raw materials are crushed and infiltrated before being distilled by arranging a crusher, a spiral conveyor, a condenser and a water-oil separator, and then are directly fed into a distillation tower by a spiral push rod to be distilled, and a spiral slag extractor is arranged at a discharge hole of the distillation tower; a gas outlet in the top of the distillation tower is connected with the condenser, the condenser is connected with the water-oil separator, the whole device integrates crushing, infiltrating, feeding, discharging, condensing, separating and deslagging, continuity is high, intermittent operation is not needed, distillation efficiency is greatly improved, the purpose of thorough distillation is achieved, the raw material distillation time can be grasped, and the operation is convenient. Working hours can be shortened, and working hours and cost are saved.

Description

Technical Field

[0001] The utility model relates to the field of chemical energy equipment engineering, in particular to a device for continuously distilling primary oil from plant raw materials. Background Art

[0002] Plant flowers, leaves, and stems may contain volatile oils that are aromatic components. When the harvest season comes, due to the large output and concentrated season, the aroma liquid oil needs to be distilled and recovered in a timely manner.

[0003] Most of the existing equipment for distilling primary oil from plants is single-tank distillation, which adopts a distillation operation method of intermittent feeding and slag discharge. For centralized distillation in the mature stage of plants, this single-tank distillation has a small single-time processing volume, a long distillation time, and requires a lot of man-hours for feeding and slag discharge, which not only increases labor costs but may also delay the processing time. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a device for continuously distilling primary oil from plant raw materials, so as to achieve the purposes of large single processing volume, short distillation time, thorough distillation, low operating cost and high primary oil yield.

[0005] In order to solve the above technical problems, the utility model provides a device for continuously distilling primary oil of plant raw materials, comprising a crusher, a screw conveyor, a distillation tower, a screw slag discharger, a condenser and a water-oil separator. The distillation tower is provided with a stirring shaft connected to the motor shaft of a reduction motor, and a plurality of stirring scrapers are arranged at intervals on the stirring shaft. The air outlet at the top of the distillation tower is connected with the air inlet of the condenser through an air guide pipe, and the liquid outlet of the condenser is connected with the liquid inlet of the water-oil separator; the screw conveyor is provided with a wetting agent inlet, which is communicated with the inner cavity of the screw conveyor; the discharge port of the crusher is connected with the feed port of the screw conveyor so that the crushed raw material falls into the inner cavity of the screw conveyor; the discharge port of the screw conveyor is connected with the feed port of the distillation tower so that the raw material is fed into the distillation tower through a screw push rod; the spiral slag discharger is arranged below the distillation tower and connected with the slag discharge port of the distillation tower so as to push the slag out through the screw push rod.

[0006] The working process is as follows: the plant material to be processed is first crushed into coarse leaf fragments of about 10-20mm in a crusher. The fragments then enter the inner cavity of a screw conveyor through the crusher's discharge port. While being pushed by the screw pusher, they are soaked in the wetting agent and then pushed to the feed port of the distillation tower. The distilled initial oil vapor enters the distillation tower through an air guide pipe and is condensed into liquid in a condenser. The liquid is then discharged into a water-oil separator for static separation. The raw material residue produced by distillation is pushed out of the discharge port at the bottom of the distillation tower by a screw pusher. The entire process integrates crushing, soaking, feeding, discharging, condensation, separation, and slag removal. It is highly continuous and does not require intermittent operation. This greatly improves distillation efficiency and achieves the goal of thorough distillation. It can not only grasp the timing of raw material distillation, but also shorten working hours and save labor costs.

[0007] As a further description of the above technical solution:

[0008] The screw conveyor is also provided with at least one ultrasonic vibrator, which performs ultrasonic vibration while conveying the material, so that the material is fully in contact with the wetting agent, so that the material in the screw conveyor can be fully infiltrated, thereby improving the distillation efficiency.

[0009] As a further description of the above technical solution:

[0010] The water-oil separator is also connected to a vacuum system to maintain a vacuum in the entire device, which can effectively reduce the distillation temperature, improve the distillation efficiency, and save heat costs.

[0011] As a further description of the above technical solution:

[0012] The screw conveyor is also provided with a filter plate at the bottom, and an infiltration liquid storage tank is located below the filter plate. The outlet of the infiltration liquid storage tank is connected to the liquid inlet pipeline of the distillation tower, so that the infiltration liquid collected in the infiltration liquid storage tank can be conveyed into the distillation tower. During the process of infiltration of the material in the screw conveyor by the infiltration agent, some active ingredients will dissolve in the infiltration agent to form the infiltration liquid. In order to distill and extract these active ingredients, a filter plate is provided at the bottom of the screw conveyor, allowing the infiltration liquid to flow through the filter plate into the infiltration liquid storage tank and then be conveyed to the distillation tower through the pipeline for distillation. This can effectively avoid the waste of active ingredients, improve the initial oil yield, and achieve the purpose of thorough distillation.

[0013] As a further description of the above technical solution:

[0014] A delivery pump is provided on the connecting pipeline between the bottom oil water tank and the distillation tower.

[0015] As a further description of the above technical solution:

[0016] Below each stirring blade is a corresponding filter plate with a material dropout cutout. The dropout cutouts on adjacent filter plates are staggered. The rotating stirring blades scrape material off the filter plate through the dropout cutouts and onto the next filter plate, and so on. This ensures that the material is fully dispersed, thereby improving distillation efficiency.

[0017] As a further description of the above technical solution:

[0018] A steam pipe with steam holes and a steam valve is installed below every three or four layers of filter plates. The steam valve controls the flow rate of steam entering the distillation tower. By adopting a segmented and individual steam control method, the material on each layer of filter plates is fully exposed to the hot steam, further improving distillation efficiency and shortening distillation time.

[0019] As a further description of the above technical solution:

[0020] A distillation column is mounted outside the distillation tower and connected to an air duct. An exhaust branch is located beneath each perforated filter plate, which is also connected to the distillation column. The primary oil vapor distilled from each perforated filter plate is promptly transported through the adjacent exhaust branch into the distillation column and then, through the air duct, into the condenser for condensation. This effectively prevents condensation of the primary oil vapor during its ascent, saving steam costs.

[0021] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0022] The device for continuously distilling primary oil from plant raw materials of the utility model integrates crushing, infiltration, feeding, discharging, condensation, separation and slag discharge into one, has strong continuity, does not require intermittent operation, greatly improves the distillation efficiency, achieves the purpose of thorough distillation, can grasp the timing of raw material distillation, shorten working hours and save working time costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The utility model is a structural diagram of a device for continuously distilling primary oil from plant raw materials.

[0024] Figure 2 hour Figure 1 Enlarged view of part A in the middle.

[0025] Legend:

[0026] 100, crusher; 101, discharge port; 102, crushing motor; 200, screw conveyor; 201, screw push rod; 202, impregnation agent inlet; 203, filter plate; 204, conveying motor; 300, ultrasonic vibrator; 400, impregnation liquid storage tank; 401, conveying pump; 500, distillation tower; 501, feed port; 502, reduction motor; 503, stirring shaft; 504, stirring blade; 505 , liquid inlet; 506, filter plate; 507, blanking cut; 508, steam pipe; 509, steam valve; 510, stirring rod; 511, exhaust branch pipe; 512, distillation column; 513, slag outlet; 600, air guide pipe; 700, condenser; 800, water-oil separator; 801, oil unloading port; 802, drain outlet; 900, spiral slag discharger; 901, spiral push rod 1; 902, slag discharge motor. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0028] An apparatus for continuous distillation of primary oil from plant materials, such as Figure 1 — Figure 2 As shown, the invention comprises a crusher 100, a screw conveyor 200, a distillation tower 500, a screw slag discharger 900, a condenser 700, and a water-oil separator 800. The crusher 100 is driven by a crushing motor 102. The discharge port 101 of the crusher 100 is connected to the feed port of the screw conveyor 200, so that the crushed raw material falls into the inner cavity of the screw conveyor 200. The screw conveyor 200 is provided with an impregnant inlet 202. In this embodiment, the impregnation is performed using hot water. The impregnant inlet 202 is fed with hot water and communicates with the inner cavity of the screw conveyor 200. The screw conveyor 200 is also provided with three ultrasonic vibrators 300, which ultrasonically vibrate the material while conveying it, ensuring that the material contacts the impregnant. The discharge port of the screw conveyor 200 is connected to the feed port 501 of the distillation tower 500, so that the impregnated material is conveyed into the distillation tower 500 via the screw push rod 201 for distillation. A filter plate 203 is further provided at the bottom of the screw conveyor 200, and an infiltration liquid storage tank 400 is provided below the filter plate 203. The outlet of the infiltration liquid storage tank 400 is connected to the liquid inlet 505 of the distillation tower 500 through a pipeline. A delivery pump 401 is provided on the pipeline. During the process of the material in the screw conveyor 500 being infiltrated by the infiltration agent, some effective ingredients will dissolve in the infiltration agent to form infiltration liquid. In order to distill and extract these effective ingredients, a filter plate 203 is provided at the bottom of the screw conveyor 200, so that the infiltration liquid flows through the filter plate 203 into the infiltration liquid storage tank 400 and is pumped into the distillation tower 500 through a pipeline for distillation. This can effectively avoid the waste of effective ingredients and improve the initial oil yield.

[0029] A reduction motor 502 is fixed to the top of the distillation tower 500, and a stirring shaft 503 connected to the motor shaft of the reduction motor 502 is provided in the distillation tower 500. Two stirring rods 510 are provided on the stirring shaft 503, and the ends of the stirring rods 510 are connected to flip blades for rotating and flipping during distillation. A plurality of stirring scrapers 504 are also arranged at intervals on the stirring shaft 503, and a filter plate 506 with a blanking cutout is correspondingly provided below each stirring scraper 504. The blanking cutouts 507 on two adjacent filter plates 506 are staggered. The stirring scrapers 504 rotate to scrape the material on the filter plate 506 from the blanking cutout 507 to the lower filter plate 506, and so on, so that the material is fully dispersed, thereby improving the distillation efficiency. A steam pipe 508 with steam holes is provided below every four layers of filter plates 506. A steam valve 509 is provided on the steam pipe 508. The steam flow rate of the steam entering the distillation tower 500 is controlled by the steam valve 509. The steam is controlled in sections and individually so that the material on each layer of filter plates 506 can fully contact the hot steam, further improving the distillation efficiency and shortening the distillation time.

[0030] The gas outlet of distillation column 500 is connected to the gas inlet at the top of condenser 700 via air duct 600. The liquid outlet at the bottom of condenser 700 is connected to the liquid inlet at the top of water-oil separator 800. Water-oil separator 800 is located below condenser 700. The condensed primary oil flows into water-oil separator 800 by gravity for static separation. The separated primary oil is discharged through oil discharge port 801 in the middle of water-oil separator 800, while the water can be discharged through drain port 802 at the bottom. The top of water-oil separator 800 is also connected to a vacuum system to maintain a vacuum throughout the distillation apparatus, effectively lowering the distillation temperature, improving distillation efficiency, and saving heat costs.

[0031] A distillation column 512 is mounted outside the distillation tower 500 and communicates with the air duct 600. An exhaust branch pipe 511 is located below each layer of filter plates 506 and communicates with the distillation column 512. The primary oil vapor distilled from each layer of filter plates 506 is promptly transported through the adjacent exhaust branch pipe 511 into the distillation column 512 and then through the air duct 600 to the condenser 700 for condensation. This effectively prevents condensation of the primary oil vapor during its ascent, saving steam costs.

[0032] A spiral slag discharger 900 is provided at the slag discharge port 513 at the bottom of the distillation tower 500. The feed port of the spiral slag discharger 900 is located directly below the slag discharge port 513 and is connected to the slag discharge port 513. The spiral slag discharger 900 is driven by a slag discharge motor 902 to push the slag out through a screw push rod 901.

[0033] The plant material to be processed is first crushed into coarse leaf fragments of about 10-20 mm in the crusher 100, and then enters the inner cavity of the screw conveyor 200 through the discharge port 101 of the crusher 100. While being pushed by the screw push rod 201, it is soaked in hot water and then pushed to the feed port 501 of the distillation tower 500. It enters the distillation tower 500 for stirring and distillation. The distilled initial oil vapor enters the condenser 700 through the air guide pipe 600 and is condensed into liquid. It is then discharged into the water-oil separator 800 for static separation. The separated initial oil is discharged through the oil unloading port 801 in the middle of the water-oil separator 800, and the water can be discharged through the drain port 802 at the bottom. The raw material residue produced by distillation enters the spiral slag discharger 900 through the slag discharge port 513 at the bottom of the distillation tower 500, and the slag is pushed out by the screw push rod 901. The entire process integrates crushing, infiltration, feeding, discharging condensation, separation and slag discharge, with strong continuity and no need for intermittent operation, which greatly improves the distillation efficiency and achieves the purpose of thorough distillation. It can not only grasp the timing of raw material distillation, but also shorten working hours and save labor costs.

[0034] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some of the technical features therein with equivalents. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the scope of protection of the present invention.

Claims

1. A device for continuously distilling primary oil from plant raw materials, comprising a distillation tower (500), a condenser (700) and a water-oil separator (800), wherein a stirring shaft (503) connected to the motor shaft of a reduction motor (502) is provided in the distillation tower (500), and a plurality of stirring scrapers (504) are arranged at intervals on the stirring shaft (503), an air outlet at the top of the distillation tower (500) is connected to the condenser (700) through an air guide pipe (600), and a liquid outlet of the condenser (700) is connected to a liquid inlet of the water-oil separator (800), characterized in that: The invention also includes a crusher (100), a screw conveyor (200) and a screw slag discharger (900), wherein the screw conveyor (200) is further provided with an impregnating agent inlet (202), which is communicated with the inner cavity of the screw conveyor (200); the discharge port (101) of the crusher (100) is connected to the feed port of the screw conveyor (200), so that the crushed raw materials fall into the inner cavity of the screw conveyor (200); the discharge port of the screw conveyor (200) is connected to the feed port (501) of the distillation tower (500), so that the raw materials are fed into the distillation tower (500) through the screw push rod (201); the feed port of the screw slag discharger (900) is connected to the slag discharge port (513) of the distillation tower (500), so that the slag is pushed out through the screw push rod (901).

2. The device for continuous distillation of primary oil from plant raw materials as claimed in claim 1, characterized in that: At least one ultrasonic vibrator (300) is also provided on the screw conveyor (200) to ensure that the material in the screw conveyor (200) is fully wetted.

3. The device for continuous distillation of primary oil from plant raw materials according to claim 1 or 2, characterized in that: The water-oil separator (800) is also connected to a vacuum system.

4. The apparatus for continuous distillation of primary oil from plant materials as claimed in claim 3, characterized in that: The bottom of the screw conveyor (200) is further provided with a filter plate (203), and an infiltration liquid storage tank (400) is provided below the filter plate (203). The outlet of the infiltration liquid storage tank (400) is connected to the liquid inlet (505) of the distillation tower (500) through a pipeline, so as to transport the infiltration liquid collected in the infiltration liquid storage tank (400) into the distillation tower (500).

5. The device for continuous distillation of primary oil from plant raw materials as claimed in claim 4, characterized in that: A delivery pump (401) is provided on the connecting pipeline between the infiltration liquid storage tank (400) and the distillation tower (500).

6. The apparatus for continuous distillation of primary oil from plant materials as claimed in claim 4, characterized in that: A filter plate (506) with a blanking cutout (507) is correspondingly provided below each stirring scraper (504), and the blanking cutouts (507) on two adjacent filter plates (506) are staggered.

7. The apparatus for continuous distillation of primary oil from plant materials as claimed in claim 6, characterized in that: A steam pipe (508) with steam holes is provided below every three to four layers of filter plates (506), and a steam valve (509) is provided on the steam pipe (508).

8. The apparatus for continuous distillation of primary oil from plant materials as claimed in claim 7, characterized in that: A distillation column (512) is fixed outside the distillation tower (500), and the distillation column (512) is connected to the air guide pipe (600). An exhaust branch pipe (511) is provided below each layer of filter plate (506), and the exhaust branch pipes (511) are all connected to the distillation column (512).

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