CN112029589A - Flower essential oil distiller and continuous distillation and extraction device - Google Patents

Abstract

The invention discloses a flower-like essential oil distiller, comprising a distillation box, wherein the distillation box includes a distillate collection cover and a supporting leg arranged at the lower part, and a material inlet and a steam exhaust with a steam outlet are arranged at the upper part of the distillation box. The cover is provided with a discharge port in the middle of one side of the distillation box, and also includes a steam inlet, a distillate outlet and a distillation chain plate that can be driven by a driving device in the distillate collection cover. The beam pressurized steam injection holes of the chain plate. The bottom of the beam pressurized steam injection hole is a frustum shape larger than the upper aperture. The number of the steam exhaust hoods with the steam exhaust port is 3, which are arranged on the top of the distillate collection hood. The equipment can realize continuous steam distillation and extraction of volatiles of flower materials, improve production efficiency, reduce costs, stabilize the quality of essential oil products, and reduce environmental pollution.

Description

Flower essential oil distiller and continuous distillation extraction device

technical field

The invention relates to the technical field of distillation and extraction of essential oils, in particular to a flower-like essential oil distiller, and a continuous distillation and extraction device using the distiller.

Background technique

With the development of today's society, the market demand for natural health products is increasing year by year, and natural flower essential oils are widely used in cosmetics, food, beverages and other industries. Natural flower essential oils include hundreds of products such as rose essential oil, jasmine essential oil, peony essential oil, and winter plum essential oil, with various functions and applications.

The natural flower essential oil products produced by the prior art are generally produced by steam distillation or boiling, and can be specifically divided into two extraction methods: one is the soil stove and retort method, which has less investment and is suitable for farmers' family workshops. Production. This method adopts manual feeding and manual discharging, which has the advantages of low yield of essential oil, high pollution, high labor intensity and poor economic benefits. Another way is to use semi-factory essential oil distillation using tank-type equipment (see Figure 7), first heating the raw material through the heater 51, then distilling through the distillation tanks 52, 53, and passing through the trap 54 again It enters the primary condenser 55 and the secondary condenser 56 step by step for condensation, and finally passes through the primary oil separation tank 57 and the secondary oil separation tank 58 for oil separation. The equipment has low output, cannot operate continuously for a single production, manual feeding and discharging and pollution, high labor intensity, high production cost, unstable essential oil yield, and unsatisfactory product consistency.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a flower essential oil distiller which can extract and produce flower essential oils on a large scale and continuously, and has low production cost, high essential oil yield and stable product quality, and a continuous distillation using the above distiller. extraction device.

The technical scheme adopted by a flower-like essential oil distiller of the present invention is: comprising a distillation box, the distillation box includes a distillate collecting cover and a supporting leg arranged at the lower part, and a feeding port and a steam exhaust port are arranged on the upper part of the distillation box. The steam exhaust hood of the outlet is provided with a material outlet in the middle of one side of the distillation box, and also includes a steam inlet, a distillate outlet and a distillation chain plate that can be driven by a driving device in the distillate collection cover. A beam pressurized steam injection hole is evenly arranged on the chain plate.

A preferred embodiment of the flower-based essential oil distiller of the present invention is that the bottom of the beam pressurized steam spray hole is a frustum shape larger than the upper hole diameter.

A preferred embodiment of the flower essential oil distiller of the present invention is that the number of the steam exhaust hoods with the steam exhaust ports is 3, which are arranged on the top of the distillate collection hood.

A preferred embodiment of the flower essential oil distiller of the present invention is that the number of the steam inlets is three, which are arranged on the side of the distillate collection cover.

A preferred embodiment of the flower essential oil distiller of the present invention is that the bottom of the distillate collection cover is W-shaped, and three distillate outlets are provided on each side of the bottom of the W-shaped bottom.

A preferred embodiment of the flower essential oil distiller of the present invention is that a homogenizing baffle is arranged on the inner side of the upper part of the distillation box.

A preferred embodiment of the flower essential oil distiller of the present invention is that the drive device for driving the distillation chain plate includes a driving shaft installed at one end of the distillation chain plate, a reducer and a motor connected to the driving shaft, and a The driven shaft and the chain plate tensioning mechanism at the other end of the distillation chain plate are described.

The technical scheme adopted by a continuous distillation extraction device of the present invention is: including:

1 distiller, the distiller adopts the flower-like essential oil distiller, and steam distillation is performed on the slowly moving material that falls on the distillation chain plate in the distiller from the feed port;

1 distiller condenser, the mixed gas of water and essential oil distilled from the distiller enters the distiller condenser for condensation through the steam exhaust port;

At least one water separation tank to separate oil and water from the condensed liquid condensed by the condenser of the distiller;

1 essential oil storage tank for storing the extracted essential oil;

1 waste water preheater, at least 1 waste water evaporator and 1 waste water re-evaporator, part of the waste water separated by the water separation tank enters the waste water pre-heater for preheating, and then evaporates through the waste water evaporator and the waste water re-evaporator;

A waste water collection tank is used to receive another part of the waste water separated by the water separation tank.

A preferred embodiment of the continuous distillation and extraction device of the present invention further includes:

1 water absorption tower to wash the uncondensed gas discharged from the condenser of the distiller;

1 residual cold recovery heat exchanger to recover residual cold of the gas washed by the water absorption tower;

1 refrigerated recovery system to recover essential oils from the gas recovered by aftercooling.

A preferred embodiment of the continuous distillation and extraction device of the present invention further comprises a tail gas condenser for condensing the gas that is not condensed into oil in the condenser of the distiller.

The beneficial effects of the present invention are as follows: on the chain plate constituting the distillation chain plate of the flower-like essential oil distiller, a beam pressurized steam jet hole that penetrates the chain plate is evenly arranged, and the direct steam entering the distiller as a heat source passes through the chain plate. The jet-stream pressurized steam nozzle is in direct contact with the raw material on the distillation chain plate, which can reduce the direct steam consumption. The raw materials are transported through the distillation chain plate to make the materials move slowly in the distillation hood for steam distillation, so as to ensure that the essential oil components in the raw materials are distilled from the raw materials to the maximum extent, and the yield of essential oils is improved.

The separated waste water first enters the waste water preheater for preheating, and then enters the waste water re-evaporator and waste water evaporator for evaporation, and the waste water containing essential oils is re-evaporated and recycled. The uncondensed gas discharged from the condenser is washed by the water absorption tower and then enters the residual cold recovery heat exchanger for residual cold recovery, and then enters the freezing recovery system to recover the essential oil in the tail gas. Whether it is in the uncondensed gas or the flower essential oil that is slightly soluble in water, the recovery is maximized. At the same time, the waste water is not discharged after oil separation, and it is recycled to reduce pollution.

The device can realize continuous steam distillation and extraction of volatiles of flower materials, improve production efficiency, reduce costs, stabilize the quality of essential oil products, and reduce environmental pollution.

Description of drawings

Fig. 1 is the front view of the flower class essential oil distiller whose left and right ends of an embodiment of the present invention are partial sections;

Fig. 2 is the top view of the flower class essential oil distiller of an embodiment of the present invention;

3 is a left side view of a flower-like essential oil distiller according to an embodiment of the present invention;

Fig. 4 is the chain plate of distiller and the schematic diagram of distribution of jet pressurized steam injection holes;

Figure 5 is a cross-sectional structural view of the jet pressurized steam injection hole in the chain plate;

6 is a schematic diagram of a continuous distillation extraction device system according to an embodiment;

FIG. 7 is a schematic diagram of a prior art tank-type essential oil distillation device.

The numbers in the figure indicate: 10- tail gas condenser, 11- discharge port, 12- drive shaft, 13- reducer and motor, 14- distillation box, 15- exhaust hood, 16- distillation chain plate, 17- exhaust steam Port, 19-feed port, 110-chain plate tensioning mechanism, 111-driven shaft, 112-distillate collection cover, 113-leg, 114-distillate outlet, 115-steam inlet, 116-homogeneous material stopper Plate, 161-chain plate, 162-beam pressurized steam nozzle, 21-wastewater evaporator, 22-wastewater re-steamer, 23-wastewater preheater, 24-slag conveying equipment, 25-distiller, 26- Essential oil storage tank, 28- oil separation tank, 210- tail gas condenser, 211- waste water collection tank, 212- distiller condenser, 213- water absorption tower, 214- freezing recovery system, 216- residual cold recovery heat exchanger.

Detailed ways

In order to make the technical solutions of the present invention clearer and clearer to those skilled in the art, the present invention will be described in further detail below with reference to the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

Please refer to FIG. 1 to FIG. 3 , the flower-based essential oil distiller in this embodiment includes a distillation box 14, and the distillation box 14 includes a distillate collecting cover 112 and a supporting leg 113 arranged at the lower part. The material port 19 and the steam exhaust hood 15 with the steam exhaust port 17, the number of the steam exhaust hood 15 with the steam exhaust port 17 can be 3, which are generally arranged on the top of the distillate collection hood. A material outlet 11 is provided in the middle of one side of the distillation box, and also includes a steam inlet 115. The number of the steam inlets 115 can be 3, which are generally arranged on the side of the distillate collection cover. It also includes a distillate outlet 114 and a distillation chain plate 16 that can be driven by a drive in the distillate collection hood. A homogenization baffle 116 may be provided on the upper inner side of the distillation tank.

Please refer to FIGS. 4 and 5 , on the chain plate 161 constituting the distillation chain plate 16 are uniformly arranged the jet pressurized steam injection holes 162 penetrating the chain block, and the bottom of the jet pressurized steam injection hole 162 is uniformly arranged. It can be a frustum type larger than the upper aperture.

The bottom of the distillate collection cover 112 may be W-shaped, and three distillate outlets 114 may be provided on each side of the lowermost bottom of the W-shaped bottom.

The drive device for driving the distillation chain plate 16 includes a driving shaft 12 installed at one end of the distillation chain plate, a reducer and a motor 13 connected to the driving shaft, and a driven shaft 111 and a driven shaft arranged at the other end of the distillation chain plate. Link plate tensioning mechanism 110 .

Referring to Figure 6, the continuous distillation and extraction device of the present embodiment includes:

1 distiller 25, the distiller 25 adopts the aforementioned flower class essential oil distiller, and steam distillation is carried out to the slowly moving material that falls on the distillation chain plate in the distiller from the feed port;

1 distiller condenser 212, the mixed gas of the water and essential oil distilled from the distiller enters the distiller condenser 212 and condenses through the steam exhaust port 17;

At least one water separation tank 28 is used to separate oil and water from the condensed liquid condensed by the distiller condenser 212, and the number of water separation tanks 28 may also be 2;

1 essential oil storage tank 26 for storing the extracted essential oil;

One waste water preheater 23, at least one waste water evaporator 21 and one waste water re-evaporator 22. A part of the waste water separated by the water separation tank 28 enters the waste water pre-heater 23 for preheating, and then passes through the waste water evaporator and the waste water recovery device. The evaporator is evaporated, and the number of waste water evaporators 21 can also be 2;

A waste water collection tank 211 is used to receive another part of the waste water separated by the water separation tank 28 .

This embodiment may also include a water absorption tower 213 for washing the uncondensed gas discharged from the condenser of the distiller;

1 residual cold recovery heat exchanger 216 to recover residual cold of the gas washed by the water absorption tower 213;

A freezing recovery system 214 is used to recover essential oils from the gas recovered by aftercooling.

A tail gas condenser 10 may also be included for condensing the gas that is not condensed into oil in the condenser of the distiller.

When the continuous distillation and extraction device of the present invention is in operation, the flower petal material enters the distillation box through the feeding port of the distiller and spreads evenly into the distillation box to reach the set material level, enters the distiller and passes through the beam pressurized steam nozzle of the chain plate for direct steam distillation. The petals after direct steam distillation are discharged from the discharge port, and sent to the subsequent process through the slag conveying equipment 24 for slag treatment. The mixed gas of distilled water and essential oil enters the condenser of the distiller for condensation through the steam exhaust port, the condensate directly enters the automatic water separation tank for oil-water separation, and the extracted essential oil directly enters the essential oil storage tank.

Part of the separated waste water enters the waste water collection tank, and the other part enters the waste water preheater for preheating, and then enters the waste water re-evaporator and the waste water evaporator for evaporation, and the waste water containing essential oils is re-evaporated and recycled. After the uncondensed gas discharged from the condenser is washed by the water absorption tower, it enters the residual cold recovery heat exchanger for residual cold recovery, and then enters the freezing recovery system to recover the essential oil in the tail gas. The gas that has not condensed into oil in the previous condenser can also be condensed again through the exhaust gas condenser, and the non-condensable gas in the system (pipeline, tank, etc.) can also be condensed and discharged through the exhaust fan, which can reduce the amount of gas in the exhaust gas. oil content, avoid waste and pollute the environment.

The above are only further embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Equivalent replacements or changes to the concept all belong to the protection scope of the present invention.

Claims (10)

1. The utility model provides a flower class essential oil distiller, includes distillation box (14), distillation box (14) are including setting up distillate collection cover (112) and landing leg (113) in the lower part, set up pan feeding mouth (19) and steam extraction cover (15) that have steam vent (17) on the upper portion of distillation box, set up discharge gate (11) in one side middle part of distillation box, still include steam inlet (115), distillate outlet (114) and can collect cover distillation link joint (16) through drive arrangement drive at the distillate, its characterized in that, evenly set up on chain plate piece (161) of constituteing distillation link joint (16) and run through beam pressure boost steam jet hole (162) of chain plate piece.

2. The flower essential oil distiller of claim 1 wherein the bottom of the stream pressurized steam jet holes (162) is frustoconical with a diameter larger than the upper diameter.

3. Flower like essential oil distiller according to claim 1 or 2, characterized in that the number of steam vents (15) with steam vents (17) is 3, placed on top of the distillate collection cage.

4. The flower like essential oil distiller of claim 1 or 2 wherein the number of steam inlets (115) is 3, and is provided at a side of the distillate collection cup.

5. The flower essential oil distiller of claim 1 or 2 wherein the bottom of the distillate collection hood (112) is W-shaped and 3 distillate outlets (114) are provided on each side of the lowermost face of the W-shaped bottom.

6. The flower essential oil distiller of claim 1 or 2 wherein a homogenizing baffle (116) is provided inside the upper part of the distillation tank.

7. The flower essential oil distiller according to claim 1 or 2, wherein the driving device for driving the distillation chain plate (16) comprises a driving shaft (12) arranged at one end of the distillation chain plate, a speed reducer and a motor (13) connected with the driving shaft, and further comprises a driven shaft (111) and a chain plate tensioning mechanism (110) arranged at the other end of the distillation chain plate.

8. A continuous distillation extraction apparatus, comprising:

a still (25), wherein the still (25) is the flower-like essential oil still as claimed in any one of claims 1 to 9, and steam distillation is performed on the slowly moving material falling from the feed inlet onto a distillation chain plate in the still;

1 distiller condenser (212), wherein the mixed gas of water and essential oil distilled by the distiller enters the distiller condenser (212) through a steam outlet (17) for condensation;

at least 1 water separation tank (28) for separating oil and water of the condensate condensed by the distiller condenser (212);

1 essential oil storage tank (26) for storing the extracted essential oil;

1 waste water preheater (23), at least 1 waste water evaporator (21) and 1 waste water re-evaporator (22), wherein a part of waste water separated by the water diversion tank (28) enters the waste water preheater (23) for preheating, and then is evaporated by the waste water evaporator and the waste water re-evaporator;

and the 1 waste water collecting tank (211) is used for receiving the other part of waste water separated by the water separating tank (28).

9. The continuous distillation extraction apparatus of claim 8, further comprising:

1 water absorption tower (213) for washing the uncondensed gas discharged from the distiller condenser with water;

1 residual cold recovery heat exchanger (216) for recovering residual cold from the gas washed with water in the water absorption tower (213);

and 1 freezing recovery system (214) for recovering essential oil from the gas recovered by residual cooling.

10. The continuous distillation extraction apparatus according to claim 9, further comprising 1 off-gas condenser (10) for recondensing gas that is not condensed to oil in the distiller's condenser.

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