Plant extracting and drying device

Abstract

The utility model discloses a plant extracting and drying device, which belongs to the technical field of drying devices and comprises a spray drying mechanism and a feeding mechanism, the spray drying mechanism comprises a drying tower and a first nozzle, the drying tower is sealed, the first nozzle is arranged at the top of the drying tower, one end of the first nozzle is provided with a feeding port, and the other end of the first nozzle is provided with a discharging port. The other end of the first nozzle is located in the drying tower, the feeding mechanism comprises a feeding pipeline, the feeding pipeline is communicated with the feeding port, and a discharging port is formed in the bottom of the drying tower; the first nozzle comprises a connecting part and a centrifugal part, the connecting part is connected with the feeding port, the centrifugal part is connected with the other end of the connecting part, and the centrifugal part is located in the drying tower; the diameter of the centrifugal part is gradually increased in the direction from the connecting part to the interior of the drying tower, the first nozzle is provided with the connecting part and the centrifugal part, and the diameter of the centrifugal part is gradually increased along the outer side, so that spray with large width and uniform distribution can be generated, and the drying efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying device technical field especially relates to a plant extraction drying device. BACKGROUND

[0002] Plant extraction liquid industry is developed in recent 20 years, and it is a new industry between medicine, fine chemical industry and agricultural industry. Plant extraction liquid is formed by taking plant as raw material, directional acquisition and concentration of certain effective component in plant according to the need of the final product of extraction, and without changing the structure of effective component. According to the different components of extraction plant, glycoside, acid, polyphenol, polysaccharide, terpene, flavone, alkaloid, etc. are formed. According to the different properties, plant oil, extract, powder, crystal, etc. can be divided. The concentration and drying of extraction liquid refer to the technology that the effective component concentration of extraction liquid is increased by removing part of solvent, or the water or other solvent in material is removed by using heat energy, so that the technology is obtained. Evaporation is an important means of concentrating and drying extraction liquid, that is, the solvent is removed by heating method, so that the dry material is obtained. Common drying methods include normal pressure drying, reduced pressure drying, spray drying and boiling drying, etc.

[0003] The prior art such as Chinese patent publication No. CN114425170A discloses a plant extraction liquid drying device, which comprises a centrifugal box, a motor is fixedly installed at the top of the centrifugal box, a rotating shaft is fixedly installed at the bottom of the motor, a fixed block is fixedly installed on the rotating shaft, a rotating box is fixedly connected to the fixed block and extends into the box through the rotating shaft, and a centrifugal tube is fixedly installed on the surface of one end of the rotating shaft extending into the rotating box.

[0004] The above-mentioned patent absorbs the atomized extraction liquid on the inner wall for drying by centrifugal action, does not improve the atomization of the equipment, and affects the evaporation drying of the extraction liquid. UTILITY MODEL CONTENT

[0005] The utility model provides a plant extraction drying device, improves heat transfer and mass transfer efficiency, and reduces the possibility of wall sticking due to insufficient drying of mist drops.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a plant extraction drying device, including spray drying mechanism and feeding mechanism, the spray drying mechanism includes drying tower and first nozzle, the drying tower is enclosed arrangement, the first nozzle is arranged at the top of drying tower, one end of first nozzle is provided with feeding port, the other end of first nozzle is located in drying tower, the feeding mechanism includes feed pipe, the feed pipe communicates with feeding port, the bottom of drying tower is provided with discharge port, the first nozzle includes connecting portion and centrifugal portion, the connecting portion is connected with feeding port, the centrifugal portion is connected with the other end of connecting portion, and the centrifugal portion is located in drying tower, the diameter of centrifugal portion gradually expands along the direction of connecting portion to the inside of drying tower.

[0008] The utility model discloses a plant extraction drying device, including spray drying mechanism and feeding mechanism, the spray drying mechanism includes drying tower and first nozzle, the drying tower is enclosed arrangement, the first nozzle is arranged at the top of drying tower, one end of first nozzle is provided with feeding port, the other end of first nozzle is located in drying tower, the feeding mechanism includes feed pipe, the feed pipe communicates with feeding port, the bottom of drying tower is provided with discharge port, the first nozzle includes connecting portion and centrifugal portion, the connecting portion is connected with feeding port, the centrifugal portion is connected with the other end of connecting portion, and the centrifugal portion is located in drying tower, the diameter of centrifugal portion gradually expands along the direction of connecting portion to the inside of drying tower.

[0009] The utility model discloses a plant extraction drying device, including spray drying mechanism and feeding mechanism, the spray drying mechanism includes drying tower and first nozzle, the drying tower is enclosed arrangement, the first nozzle is arranged at the top of drying tower, one end of first nozzle is provided with feeding port, the other end of first nozzle is located in drying tower, the feeding mechanism includes feed pipe, the feed pipe communicates with feeding port, the bottom of drying tower is provided with discharge port, the first nozzle includes connecting portion and centrifugal portion, the connecting portion is connected with feeding port, the centrifugal portion is connected with the other end of connecting portion, and the centrifugal portion is located in drying tower, the diameter of centrifugal portion gradually expands along the direction of connecting portion to the inside of drying tower.

[0010] The utility model discloses a plant extraction drying device, including spray drying mechanism and feeding mechanism, the spray drying mechanism includes drying tower and first nozzle, the drying tower is enclosed arrangement, the first nozzle is arranged at the top of drying tower, one end of first nozzle is provided with feeding port, the other end of first nozzle is located in drying tower, the feeding mechanism includes feed pipe, the feed pipe communicates with feeding port, the bottom of drying tower is provided with discharge port, the first nozzle includes connecting portion and centrifugal portion, the connecting portion is connected with feeding port, the centrifugal portion is connected with the other end of connecting portion, and the centrifugal portion is located in drying tower, the diameter of centrifugal portion gradually expands along the direction of connecting portion to the inside of drying tower.

[0011] The utility model discloses a plant extraction drying device, including spray drying mechanism and feeding mechanism, the spray drying mechanism includes drying tower and first nozzle, the drying tower is enclosed arrangement, the first nozzle is arranged at the top of drying tower, one end of first nozzle is provided with feeding port, the other end of first nozzle is located in drying tower, the feeding mechanism includes feed pipe, the feed pipe communicates with feeding port, the bottom of drying tower is provided with discharge port, the first nozzle includes connecting portion and centrifugal portion, the connecting portion is connected with feeding port, the centrifugal portion is connected with the other end of connecting portion, and the centrifugal portion is located in drying tower, the diameter of centrifugal portion gradually expands along the direction of connecting portion to the inside of drying tower.

[0012] The utility model discloses a plant extraction drying device, including spray drying mechanism and feeding mechanism, the spray drying mechanism includes drying tower and first nozzle, the drying tower is enclosed arrangement, the first nozzle is arranged at the top of drying tower, one end of first nozzle is provided with feeding port, the other end of first nozzle is located in drying tower, the feeding mechanism includes feed pipe, the feed pipe communicates with feeding port, the bottom of drying tower is provided with discharge port, the first nozzle includes connecting portion and centrifugal portion, the connecting portion is connected with feeding port, the centrifugal portion is connected with the other end of connecting portion, and the centrifugal portion is located in drying tower, the diameter of centrifugal portion gradually expands along the direction of connecting portion to the inside of drying tower.

[0013] The utility model discloses a plant extraction drying device, including spray drying mechanism and feeding mechanism, the spray drying mechanism includes drying tower and first nozzle, the drying tower is enclosed arrangement, the first nozzle is arranged at the top of drying tower, one end of first nozzle is provided with feeding port, the other end of first nozzle is located in drying tower, the feeding mechanism includes feed pipe, the feed pipe communicates with feeding port, the bottom of drying tower is provided with discharge port, the first nozzle includes connecting portion and centrifugal portion, the connecting portion is connected with feeding port, the centrifugal portion is connected with the other end of connecting portion, and the centrifugal portion is located in drying tower, the diameter of centrifugal portion gradually expands along the direction of connecting portion to the inside of drying tower.

[0014] The utility model discloses a plant extraction drying device, including spray drying mechanism and feeding mechanism, the spray drying mechanism includes drying tower and first nozzle, the drying tower is enclosed arrangement, the first nozzle is arranged at the top of drying tower, one end of first nozzle is provided with feeding port, the other end of first nozzle is located in drying tower, the feeding mechanism includes feed pipe, the feed pipe communicates with feeding port, the bottom of drying tower is provided with discharge port, the first nozzle includes connecting portion and centrifugal portion, the connecting portion is connected with feeding port, the centrifugal portion is connected with the other end of connecting portion, and the centrifugal portion is located in drying tower, the diameter of centrifugal portion gradually expands along the direction of connecting portion to the inside of drying tower.

[0015] The utility model discloses a plant extraction drying device, including spray drying mechanism and feeding mechanism, the spray drying mechanism includes drying tower and first nozzle, the drying tower is enclosed arrangement, the first nozzle is arranged at the top of drying tower, one end of first nozzle is provided with feeding port, the other end of first nozzle is located in drying tower, the feeding mechanism includes feed pipe, the feed pipe communicates with feeding port, the bottom of drying tower is provided with discharge port, the first nozzle includes connecting portion and centrifugal portion, the connecting portion is connected with feeding port, the centrifugal portion is connected with the other end of connecting portion, and the centrifugal portion is located in drying tower, the diameter of centrifugal portion gradually expands along the direction of connecting portion to the inside of drying tower.

[0016] The plant extraction drying device has the advantages that:

[0017] The plant extraction drying device has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the overall structure schematic diagram of the plant extraction drying device provided in the specific embodiment of the utility model;

[0019] Figure 2 is the overall structure schematic diagram of the first nozzle of the plant extraction drying device provided in the specific embodiment of the utility model;

[0020] Figure 3 is the overall structure front view of the first nozzle of the plant extraction drying device provided in the specific embodiment of the utility model;

[0021] Figure 4 is Figure 3 the cross-sectional schematic diagram of AA in the specific embodiment of the utility model;

[0022] Figure 5 is the partial structure schematic diagram of the baking mechanism of the plant extraction drying device provided in the specific embodiment of the utility model;

[0023] in the figure:

[0024] 1, drying tower; 2, first nozzle; 201, connecting part; 202, centrifugal part; 203, second nozzle; 204, rotary motor; 205, rotating block; 3, feed pipe; 4, air heater; 5, air blower; 6, shell; 7, infrared heating tube; 8, cyclone separator; 9, induced draft fan. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be further illustrated in combination with the drawings and through the specific embodiments.

[0026] As Figures 1-5 shown, the utility model provides a kind of plant extraction drying device, including spray drying mechanism and feed mechanism, spray drying mechanism includes drying tower 1 and first nozzle 2, drying tower 1 is closed arrangement, first nozzle 2 is set at the top of drying tower 1, and first nozzle 2 is provided with feed inlet in one end, and feed mechanism includes feed pipe 3, and feed pipe 3 is connected with feed inlet, and the bottom of drying tower 1 is provided with discharge port.

[0027] The first nozzle 2 comprises a connecting portion 201 and a centrifugal portion 202, the connecting portion 201 is provided with a feeding port, the centrifugal portion 202 is connected with the connecting portion 201 and located in the drying tower 1, the connecting portion 201 is connected with a feeding pipeline 3 for feeding materials into the first nozzle 2, in order to improve the atomization effect, the connecting portion 201 and the centrifugal portion 202 are gradually increased along the diameter of the centrifugal portion 202, so that the centrifugal portion 202 is designed as a funnel type, which is helpful for the liquid to form a more uniform distribution at the outlet of the nozzle, so that the sprayed droplet group is more uniform, avoiding the problem of too large or too small droplet diameter, and it is helpful for the droplets to mix with hot air better, improving the heat and mass transfer efficiency and reducing the possibility of wall sticking due to insufficient drying of the droplets.

[0028] The centrifugal force of the centrifugal portion 202 is increased, and a rotating assembly is further arranged in the connecting portion 201, the rotating assembly comprises a rotating motor 204 and a rotating block 205 connected with the rotating motor 204, the rotating block 205 is driven to rotate in the connecting portion 201 by the rotating motor 204, and the length of the rotating block 205 is at least 1 / 2 of the length of the connecting portion 201, so that the feeding of the feeding channel is driven to rotate faster in the first nozzle 2 by the rotation of the rotating block 205.

[0029] The spray drying mechanism further comprises a heating assembly, the heating assembly is arranged outside the feeding pipeline 3 and close to the feeding port, the heating assembly comprises an air heater 4 and a blower 5, the blower 5 is connected with the air heater 4, the atomized droplets are contacted with the filtered and heated hot air in parallel, and the heat exchange is carried out in a very short time to take away the moisture.

[0030] The outside of the drying tower 1 is provided with heat preservation materials, so that the temperature in the drying tower 1 can also be maintained.

[0031] In order to increase the centrifugal force in the first nozzle 2, a rotating motor 204 is arranged in the first nozzle 2, an output end of the rotating motor 204 is provided with a rotating block 205, the rotating block 205 is driven to rotate in the first nozzle 2 by the rotating motor 204, and the length of the rotating block 205 is at least 1 / 2 of the length of the connecting portion 201, so that the liquid material can be dispersed into smaller droplets more effectively. These small droplets have a larger surface area, thereby increasing the contact area with hot air and accelerating the evaporation process of moisture.

[0032] The first nozzle 2 is prevented from being blocked, and a plurality of second nozzles 203 are arranged on the outside of the connecting portion 201 in a staggered manner, the second nozzles 203 are communicated with the connecting portion 201.

[0033] The roasting mechanism comprises a shell 6 and a plurality of infrared heating pipes 7 arranged on the inner wall of the shell 6, and the feeding pipe 3 is located between the infrared heating pipes 7.

[0034] The dry tower 1 is convenient for discharging, and the dry tower 1 further comprises a discharge port, and the discharge port is connected with a cyclone separator 8 and an air induction fan 9.

[0035] The utility model is described through preferred embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. The utility model is not limited by the specific embodiments disclosed herein, and other embodiments falling within the claims of the present application all belong to the protection scope of the utility model.

Claims

1. A plant extraction and drying device, characterized in that: The invention comprises a spray drying mechanism and a feeding mechanism, wherein the spray drying mechanism comprises a drying tower (1) and a first nozzle (2), wherein the drying tower (1) is closed, the first nozzle (2) is arranged at the top of the drying tower (1), one end of the first nozzle (2) is provided with a feeding port, and the other end of the first nozzle (2) is located in the drying tower (1), the feeding mechanism comprises a feeding pipe (3), the feeding pipe (3) is communicated with the feeding port, and the bottom of the drying tower (1) is provided with a discharge port; The first nozzle (2) comprises a connecting portion (201) and a centrifugal portion (202), wherein the connecting portion (201) is connected to the feed port, and the centrifugal portion (202) is connected to the other end of the connecting portion (201), and the centrifugal portion (202) is located in the drying tower (1); The diameter of the centrifugal portion (202) gradually increases along a direction from the connecting portion (201) to the interior of the drying tower (1).

2. The plant extraction and drying device according to claim 1, characterized in that: The spray drying mechanism further comprises a heating component, wherein the heating component is arranged on the feed pipe (3) near the feed inlet, and the heating component is arranged on one side of the drying tower (1); The heating assembly comprises an air heater (4) for heating the air in the feed pipe (3) and a blower (5), wherein the blower (5) is connected to the air heater (4).

3. The plant extraction and drying device according to claim 1, characterized in that: The outer side of the drying tower (1) is provided with heat-insulating material.

4. The plant extraction and drying device according to claim 1, characterized in that: A plurality of second nozzles (203) are further provided on the outside of the connecting portion (201), and the second nozzles (203) are communicated with the connecting portion (201).

5. The plant extraction and drying device according to claim 1, characterized in that: A rotating assembly is further provided in the connecting portion (201), the rotating assembly comprising a rotating motor (204) and a rotating block (205), the rotating motor (204) being used to drive the rotating block (205) to rotate in the first nozzle (2); The rotating block (205) does not contact the inner wall of the connecting portion (201), and the length of the rotating block (205) is at least 1 / 2 of the length of the connecting portion (201).

6. The plant extraction and drying device according to claim 4, characterized in that: The second nozzles (203) are arranged in a staggered manner, surrounding the outer side of the connecting portion (201), and the outermost ends of the second nozzles (203) protrude from the outer edge of the centrifugal portion (202) with the largest diameter.

7. The plant extraction and drying device according to claim 1, characterized in that: It also includes a baking mechanism, which includes an outer shell (6) and a plurality of infrared heating tubes (7). The plurality of infrared heating tubes (7) are arranged on the inner wall of the outer shell (6), and the feed pipe (3) is located between the infrared heating tubes (7).

8. The plant extraction and drying device according to claim 1, characterized in that: It also includes a cyclone separator (8), which is arranged on the discharge port.

9. The plant extraction and drying device according to claim 8, characterized in that: The cyclone separator (8) is also connected to an induced draft fan (9).

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