Oil collecting distributor and traditional Chinese medicine volatile oil extraction equipment

Abstract

The utility model discloses a kind of oil collection distributors and traditional Chinese medicinal material volatile oil extraction equipment, it is related to volatile oil extraction equipment field, including annular steam distribution device and isolation punching plate, isolation punching plate is set in annular steam distribution device one side, annular steam distribution device is fixedly connected with isolation punching plate;Steam inlet is equipped on annular steam distribution device, and the side of annular steam distribution device close to isolation punching plate is equipped with several air injection holes;Isolation punching plate is grass hat type structure, and several through holes are arranged on isolation punching plate.The utility model changes into multi-point distribution gas supply from traditional single-point gas supply, so that water vapor is contacted with traditional Chinese medicinal material through the through hole on isolation punching plate and heated, increase the distribution area of water vapor and the contact area of water vapor and traditional Chinese medicinal material, improve the distribution uniformity of water vapor in extraction tank and the uniformity of medicinal material heating, effectively improve oil recovery rate, and then ensure that drug efficacy is more reliable.

Description

Technical Field

[0001] This utility model relates to the field of volatile oil extraction equipment, specifically to an oil collector and distributor and a device for extracting volatile oils from Chinese medicinal herbs. Background Technology

[0002] Steam distillation is an important extraction technique in the processing of traditional Chinese medicine (TCM) herbs. It can separate volatile components from medicinal materials. The general process is as follows: A suitable amount of processed TCM herbs are placed in an extraction tank. Pure steam is injected into the bottom of the tank using a steam generator for heating. Utilizing the insolubility of volatile oils in water and the physical azeotropic effect, the volatile oils are distilled from the herbs using steam. The extracted oils are then condensed and separated. This extraction method is suitable for most volatile medicinal materials, such as patchouli and eucalyptus, and can effectively and with high yields extract the volatile oil components from these herbs, improving the efficacy of the final product.

[0003] In existing technology, a pure steam inlet pipe is connected to a steam direct injection hole at the bottom of the extraction tank to inject steam into the extraction tank to heat the Chinese medicinal materials. Because the inner diameter of the extraction tank is much larger than the inner diameter of the steam direct injection hole, the pure steam injected from the steam direct injection hole is easily unevenly distributed within the extraction tank. Some medicinal materials cannot be fully contacted by the steam, resulting in incomplete extraction of volatile oils, leading to long oil recovery time, low oil recovery rate, and ultimately affecting the efficacy of the processed product. Utility Model Content

[0004] To address one or more shortcomings of the existing technology, this utility model provides an oil distributor and a device for extracting volatile oils from Chinese medicinal herbs. This increases the distribution area of ​​water vapor and the contact area between water vapor and Chinese medicinal herbs, improves the uniformity of water vapor distribution and the uniformity of heating of the herbs in the extraction tank, effectively increases the oil recovery rate, and ensures the efficacy of the product.

[0005] To achieve the above objectives, this utility model adopts one or more of the following technical solutions:

[0006] An oil collector distributor includes an annular steam distribution device and an isolation perforated plate, wherein the isolation perforated plate is disposed on one side of the annular steam distribution device, and the annular steam distribution device is fixedly connected to the isolation perforated plate;

[0007] The annular steam distribution device is provided with a steam inlet, and several jet holes are opened on the side of the annular steam distribution device near the isolation perforated plate; the isolation perforated plate has a straw hat-shaped structure, and several through holes are provided on the isolation perforated plate for water vapor to pass through the isolation perforated plate and come into contact with the Chinese medicinal materials.

[0008] As a further implementation, a bottom cover is fixedly installed at the bottom of the annular steam distribution device, and the bottom cover is fixedly connected to the isolation perforated plate, thereby realizing the fixation of the annular steam distribution device and the isolation perforated plate.

[0009] As a further implementation, the annular steam distribution device is welded to the bottom cover, and the bottom cover is fixedly connected to the isolation perforated plate by fastening bolts, which facilitates the installation and disassembly of the isolation perforated plate.

[0010] As a further implementation, the isolation perforated plate includes a cylindrical part and a conical part, and the surfaces of the cylindrical part and the conical part are provided with the through holes; the small-diameter end of the conical part is connected to the cylindrical part, and the large-diameter end of the conical part is fixedly connected to the bottom cover.

[0011] As a further implementation, the annular steam distribution device is fixedly provided with several fixed support feet, which are welded to the bottom cover.

[0012] As a further implementation, the annular steam distribution device adopts an annular pipe, and the plurality of jet holes are evenly distributed along the circumference of the annular pipe; the fixed support foot is welded to the annular pipe.

[0013] As a further implementation, a reducer is provided at the steam inlet of the annular steam distribution device to connect the steam inlet pipe and the annular pipe.

[0014] As a further implementation, the inner diameter of the side of the isolation perforated plate closest to the annular steam distribution device is larger than the outer diameter of the annular steam distribution device, so that the isolation perforated plate covers the annular steam distribution device and ensures that all injected steam enters the coverage area of ​​the isolation perforated plate.

[0015] As a further implementation, the isolation perforated plate is coaxially arranged with the annular steam distribution device, so that the isolation perforated plate is directly above the annular steam distribution device, which can improve the uniformity of water vapor distribution in the isolation perforated plate, thereby helping to improve the oil yield of Chinese medicinal materials.

[0016] On the other hand, a device for extracting volatile oils from Chinese medicinal materials is provided, including an extraction tank, an oil-collecting condenser, an oil-water separator, a system pipeline, a steam inlet pipeline, and an oil-collecting distributor as described in any of the above. The extraction tank, the oil-collecting condenser, and the oil-water separator are connected in sequence through the system pipeline. The oil-collecting distributor is located at the bottom of the extraction tank, and the steam inlet of the oil-collecting distributor is connected to the steam inlet pipeline.

[0017] As a further implementation, it also includes a bottom cover opening and closing cylinder, a bottom cover locking cylinder, and a bottom cover crossbeam. The bottom cover opening and closing cylinder and the bottom cover locking cylinder are respectively installed on the outer wall of the extraction tank. The bottom cover crossbeam is installed at the bottom of the oil collector and is fixedly connected to the bottom cover of the oil collector. The telescopic rod of the bottom cover opening and closing cylinder is rotatably connected to the first end of the bottom cover crossbeam, and the telescopic rod of the bottom cover locking cylinder is rotatably connected to a locking structure for rotatably engaging with the second end of the bottom cover crossbeam.

[0018] By adopting the above technical solution, the beneficial effects of this utility model are as follows:

[0019] When the oil-collecting distributor designed in this utility model is applied to the bottom of a volatile oil extraction device for Chinese medicinal materials, it can transform the traditional single-point gas supply into a multi-point distributed gas supply through several jet holes on the annular steam distribution device. The water vapor entering through the annular steam distribution device is more evenly distributed, which can effectively reduce the steam blind zone in the medicinal materials and improve the oil collection rate. At the same time, the straw hat-shaped isolation perforated plate is set up so that the water vapor can come into contact with the Chinese medicinal materials through the through holes on the isolation perforated plate and be heated, thereby extracting plant oil. This increases the contact area between water vapor and Chinese medicinal materials and the filtration liquid area, which is conducive to improving the oil collection efficiency and further improving the oil collection rate of Chinese medicinal materials, thus ensuring that the efficacy of the medicine is more reliable. Attached Figure Description

[0020] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0021] Figure 1 This is a top view of one or more embodiments of the annular steam distribution device of the present invention;

[0022] Figure 2 This is a front view of an annular steam distribution device according to one or more embodiments of the present invention;

[0023] Figure 3 This is a front view of an isolation perforated plate according to one or more embodiments of the present invention;

[0024] Figure 4 This is a top view of an isolation perforated plate according to one or more embodiments of the present invention;

[0025] Figure 5 This is a front sectional view of a device for extracting volatile oils from Chinese medicinal materials according to one or more embodiments of the present invention.

[0026] In the diagram: 01, oil distributor; 02, extraction tank; 03, oil condenser; 04, oil-water separator; 05, demister; 06, steam inlet pipe; 07, bottom cover beam; 08, bottom cover opening and closing cylinder; 09, bottom cover locking cylinder;

[0027] 1. Annular steam distribution device; 2. Isolation perforated plate; 3. Bottom cover;

[0028] 11. Annular pipe; 12. Jet nozzle; 13. Steam inlet; 14. Fixed support feet;

[0029] 21. Columnar part; 22. Conical part; 23. Through hole. Detailed Implementation

[0030] It should be noted that the following detailed description is illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0031] It should be noted that the terminology used herein is for descriptive purposes only and is not intended to limit the exemplary embodiments according to this invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without inventive effort are within the scope of protection of this invention.

[0032] Example 1

[0033] In one typical embodiment of this application, an oil collector distributor is provided, such as... Figure 1-4 As shown, it includes an annular steam distribution device 1 and an isolation perforated plate 2. The isolation perforated plate 2 is disposed on one side of the annular steam distribution device 1, and the annular steam distribution device 1 and the isolation perforated plate 2 are fixedly connected.

[0034] The annular steam distribution device 1 is provided with a steam inlet 13, and a number of jet holes 12 are opened on the side of the annular steam distribution device 1 near the isolation perforated plate; the isolation perforated plate 2 has a straw hat-shaped structure, and a number of through holes 23 are provided on the isolation perforated plate 2 for water vapor to pass through the isolation perforated plate and come into contact with the medicinal materials.

[0035] Specifically, in combination Figure 1 and Figure 2As shown, the annular steam distribution device 1 uses a Ф51mm annular tube 11 with an outer diameter of 700mm. Several Ф5mm jet holes 12 are machined on the upper surface of the annular tube 11, and these jet holes 12 are evenly distributed along the circumference of the annular tube 11. The jet holes 12 are blind holes and communicate with the interior of the annular tube 11. Water vapor entering the annular tube can be injected into the extraction tank through the jet holes to heat the medicinal materials. In this embodiment, the annular tube is made of stainless steel.

[0036] By adopting the above structure, the traditional single-point gas supply can be transformed into multi-point distributed gas supply through several jet holes on the annular pipe. This makes the water vapor more evenly distributed after entering the extraction tank, effectively reducing the steam blind zone in the medicinal materials and avoiding incomplete extraction of volatile oils due to insufficient contact with water vapor in some medicinal materials, thereby improving the oil recovery rate.

[0037] like Figure 2 As shown, three fixed support feet 14 are evenly arranged at the bottom 1 of the annular steam distribution device. One end of the fixed support foot 14 is welded to the annular pipe 11, and the other end is welded to the bottom cover 3, thereby fixing the annular steam distribution device 1 and the bottom cover 3 together. In this embodiment, the steam inlet 13 is located at the bottom of the annular steam distribution device 1. The steam inlet uses a reducer with a diameter of Ф57 to Ф51 to connect the DN32 steam inlet pipe and the annular pipe. Water vapor enters the annular pipe 11 from the steam inlet 13 and is then evenly ejected from the jet hole 12.

[0038] It should be noted that in other embodiments, the number of fixed support feet can also be 2, 4, 5, etc., and this application does not limit this.

[0039] In this embodiment, the bottom cover 3 is a circular steel plate made of 304 stainless steel. It is fixedly installed at the bottom of the annular steam distribution device 1, and the annular steam distribution device 1 is welded to the upper part of the bottom cover 3. Bolt holes are machined on the edge of the bottom cover 3, and it is fixedly connected to the upper isolation perforated plate 2 by fastening screws, so that the oil collector distributor forms a stable overall structure.

[0040] Combination Figure 3 and Figure 4As shown, the isolation perforated plate 2 has a hat-shaped structure, consisting of an internally connected cylindrical part 21 and a conical part 22. The conical part 22 includes a small-diameter end and a large-diameter end. In this embodiment, the cylindrical part 21 is located above the conical part, with a diameter of 400 mm and a height of 300 mm. The diameter of the small-diameter end is the same as the diameter of the cylindrical part, and the outer diameter of the large-diameter end is 1400 mm. The cylindrical part between the inner diameters of the small-diameter end and the large-diameter end forms an arc surface with an angle of 10° to the horizontal plane. The inner diameter of the large-diameter end is larger than the outer diameter of the annular pipe below, ensuring that the isolation perforated plate can completely cover the steam jet area. This allows more steam to pass through the isolation perforated plate and heat the medicinal materials more evenly, improving oil collection efficiency and yield, and making the efficacy of the medicine more reliable.

[0041] In this embodiment, several through holes 23 are respectively provided on the surfaces of the cylindrical part 21 and the conical part 22 for water vapor to pass through and come into contact with the Chinese medicinal materials outside the isolation perforated plate.

[0042] By adopting the above structure, the straw hat-shaped perforated plate increases the contact and heating area between water vapor and Chinese medicinal materials through the columnar part, while also increasing the filtration liquid area, which can improve the oil collection efficiency and shorten the oil collection time.

[0043] In this embodiment, the isolation perforated plate 2 and the annular steam distribution device 1 are coaxially arranged, so that the isolation perforated plate 2 is directly above the annular steam distribution device 1, which can improve the uniformity of water vapor distribution in the isolation perforated plate, thereby helping to improve the oil yield of Chinese medicinal materials.

[0044] In this embodiment, as Figure 4 As shown, the tapered part 22 of the isolation perforated plate 2 has several bolt holes evenly distributed on its edge. The tapered part 22 and the bottom cover 3 are fixed together by fastening bolts, which facilitates the installation and disassembly of the isolation perforated plate.

[0045] Example 2

[0046] In another typical embodiment of this utility model, a device for extracting volatile oils from Chinese medicinal materials is also provided, such as... Figure 5 As shown, the system includes an extraction tank 02, an oil-collecting condenser 03, an oil-water separator 04, system piping, a demister 05, a steam inlet pipe 06, and an oil-collecting distributor 01 as described in Example 1. The extraction tank 02, the oil-collecting condenser 03, and the oil-water separator 04 are connected in sequence through system piping. The oil-collecting distributor 01 is located at the bottom of the extraction tank 02 and is connected to the steam inlet pipe 06 through a steam inlet 13.

[0047] Specifically, a demister 05 is installed on the system pipeline between the top of the extraction tank 02 and the oil receiving condenser 03, and a feeding port is also provided on the top of the extraction tank 02 for convenient feeding.

[0048] In addition, such as Figure 5 As shown, the volatile oil extraction equipment for Chinese medicinal materials in this embodiment also includes a bottom cover opening and closing cylinder 08, a bottom cover locking cylinder 09, and a bottom cover crossbeam 07. The bottom cover opening and closing cylinder 08 and the bottom cover locking cylinder 09 are respectively installed on the outer wall of the extraction tank 02. The bottom cover crossbeam 07 is installed at the bottom of the oil collector 01 and welded to the bottom cover 3 of the oil collector. The telescopic rod of the bottom cover opening and closing cylinder 08 is rotatably connected to the first end of the bottom cover crossbeam 07. When the telescopic rod of the bottom cover opening and closing cylinder 08 extends, it can drive the bottom cover crossbeam 07 to rotate, thereby driving the bottom cover 3 to close upwards. The bottom of the bottom cover locking cylinder 09 is provided with a locking mechanism. The locking mechanism is rotatably connected to the telescopic rod of the bottom cover locking cylinder 09. When the telescopic rod of the bottom cover locking cylinder 09 extends, it can drive the locking mechanism to rotate, thereby engaging with the second end of the bottom cover crossbeam 07 to lock it, ensuring that the oil collector 01 is stably closed.

[0049] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it. Those skilled in the art should understand that this utility model can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An oil distributor, characterized in that, It includes an annular steam distribution device and an isolation perforated plate, wherein the isolation perforated plate is disposed on one side of the annular steam distribution device, and the annular steam distribution device is fixedly connected to the isolation perforated plate; The annular steam distribution device is provided with a steam inlet, and several jet holes are opened on the side of the annular steam distribution device near the isolation perforated plate; the isolation perforated plate has a straw hat-shaped structure, and several through holes are provided on the isolation perforated plate for water vapor to pass through the isolation perforated plate and come into contact with the Chinese medicinal materials.

2. The oil distributor as described in claim 1, characterized in that, The bottom of the annular steam distribution device is fixedly provided with a bottom cover, which is fixedly connected to the isolation perforated plate.

3. An oil distributor as described in claim 2, characterized in that, The annular steam distribution device is welded to the bottom cover, and the bottom cover is fixedly connected to the isolation perforated plate by fastening bolts.

4. An oil distributor as described in claim 2, characterized in that, The isolation perforated plate includes a cylindrical part and a conical part, and the surface of the cylindrical part and the conical part are provided with the through hole; the small diameter end of the conical part is connected to the cylindrical part, and the large diameter end of the conical part is fixedly connected to the bottom cover.

5. An oil distributor as described in claim 2, characterized in that, The annular steam distribution device is fixedly provided with several fixed support feet, which are welded to the bottom cover.

6. An oil distributor as described in claim 5, characterized in that, The annular steam distribution device uses an annular pipe, and the plurality of jet holes are evenly distributed along the circumference of the annular pipe; the fixed support foot is welded to the annular pipe.

7. An oil distributor as described in claim 1, characterized in that, The inner diameter of the isolation perforated plate on the side closest to the annular steam distribution device is larger than the outer diameter of the annular steam distribution device.

8. An oil distributor as described in claim 7, characterized in that, The isolation perforated plate is coaxially arranged with the annular steam distribution device.

9. A device for extracting volatile oils from traditional Chinese medicinal materials, characterized in that, The system includes an extraction tank, an oil-collecting condenser, an oil-water separator, a system pipeline, a steam inlet pipeline, and an oil-collecting distributor as described in any one of claims 1-8. The extraction tank, the oil-collecting condenser, and the oil-water separator are connected in sequence through the system pipeline. The oil-collecting distributor is located at the bottom of the extraction tank and is connected to the steam inlet pipeline through the steam inlet.

10. The equipment for extracting volatile oils from Chinese medicinal herbs as described in claim 9, characterized in that, It also includes a bottom cover opening and closing cylinder, a bottom cover locking cylinder, and a bottom cover crossbeam. The bottom cover opening and closing cylinder and the bottom cover locking cylinder are respectively installed on the outer wall of the extraction tank. The bottom cover crossbeam is installed at the bottom of the oil collector and is fixedly connected to the bottom cover of the oil collector. The telescopic rod of the bottom cover opening and closing cylinder is rotatably connected to the first end of the bottom cover crossbeam. The telescopic rod of the bottom cover locking cylinder is rotatably connected to a locking structure for rotatably engaging with the second end of the bottom cover crossbeam.

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