CN210718469U - Intermittent helical ribbon type natural product raw material drying device - Google Patents

Abstract

The utility model relates to an intermittent type spiral shell belt natural product raw materials drying device belongs to drying equipment technical field, the utility model discloses set up hollow (mixing) shaft and with the hollow left-hand spiral stirring piece of (mixing) shaft cavity intercommunication and right-hand spiral stirring piece heat the material simultaneously, by left-hand spiral stirring piece and right-hand spiral stirring piece relative or opposite rotation, can come and go the conveying drying to the material in the space that the drying cylinder is injectd, both practiced thrift the space of drying cylinder, can make the material that humidity is great thoroughly dried again, realized the low energy high efficiency drying of material; moreover, the scraping pieces tangent to the inner wall of the stirring barrel are arranged at the edge of the spiral stirring blade, so that materials can be prevented from being adhered to the inner wall of the drying barrel in the drying process, and the waste of the materials and the influence on the drying quality of the drying device, which are caused by the fact that the adhered materials are burnt due to long-time heating, are avoided; and a cleaning device is arranged, so that the cleaning is convenient.

Description

Intermittent helical ribbon type natural product raw material drying device

Technical Field

The utility model belongs to the technical field of drying equipment, specifically speaking relates to an intermittent type helical ribbon formula natural products raw materials drying device.

Background

In the process of extracting and separating natural products, the raw materials are generally required to be dried before extraction, and the moisture is controlled within a certain range. At present, a drum type material drying device is generally used, and the drying device has two structures: firstly, heating a drying cylinder, placing a material into the drying cylinder, and drying the material in the self-rotating process of the drying cylinder; secondly, a hollow shaft is arranged in the drying cylinder, the hollow shaft is heated, then the outer wall of the hollow shaft is provided with a stirring blade, and the hollow shaft heats the material and simultaneously drives the stirring blade to rotate to stir the material to realize heating. The two heating modes have certain defects, firstly, for the first heating and drying mode, because the drying cylinder for driving the whole material to be contained is driven to rotate, the rotating mode needs to use a high-power driving mechanism, the problem of relatively high energy consumption exists under the condition of the same heat, meanwhile, because a stirring mechanism is not arranged, the material cannot be dried in a short time, and the material is not uniformly dried. The second heating and drying mode reduces the energy consumption to a certain extent, but the heat is transferred only through the hollow shaft in the middle of the drying cylinder, the heat cannot be uniformly distributed, and even under the stirring of the stirring mechanism, the rapid and uniform drying of the materials cannot be realized. And a lot of dust exists in the material drying process, the drying equipment is difficult to clean, and the GMP cleaning requirement of a pharmaceutical factory cannot be met.

Disclosure of Invention

In order to overcome the problem that exists among the background art, the utility model provides an intermittent type spiral shell belt natural products raw materials drying device, its drying efficiency is high, and the consumption is little, and the material is dry even, convenient washing, convenient operation.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the intermittent spiral belt type natural product raw material drying device comprises a drying cylinder 1, a feed hopper 2, a discharge hopper 3, a stirring shaft 4, a left spiral stirring piece 5, a motor 6, an air inlet hose I7, a high-temperature steam generating device 8, a quick connector 9, a belt wheel transmission mechanism 10, an air outlet hose I11, a right spiral stirring piece 13, a cylinder cover 14, a spraying ball 15, a water pipe 16, a water pump 17 and a water tank 18; the top of the drying cylinder 1 is provided with a cylinder cover 14, the middle part of the top of the cylinder cover 14 is provided with a feed hopper 2, and the middle part of the bottom of the drying cylinder 1 is provided with a discharge hopper 3; the stirring shaft 4 is arranged on the drying cylinder 1 through a bearing; the stirring shaft 4 is connected with the motor 6 through a belt wheel transmission mechanism 10, a left spiral stirring piece 5 is arranged at the left section of the stirring shaft 4, a right spiral stirring piece 13 is arranged at the right section of the stirring shaft 4, the left spiral stirring piece 5 and the right spiral stirring piece 13 are of hollow structures, and the middle cavities of the left spiral stirring piece 5 and the right spiral stirring piece 13 are communicated with the middle cavity of the stirring shaft 4; one end of the stirring shaft 4 is connected with an air inlet hose I7 through a quick connector 9 fixedly arranged on the outer wall of the drying cylinder 1, the air inlet hose I7 is connected with an air outlet of a high-temperature steam generating device 8, the other end of the stirring shaft 4 is connected with an air outlet hose I11 through the quick connector 9, and the air outlet hose I11 is connected with an air inlet of the high-temperature steam generating device 8; the inner wall of the cylinder cover 14 is uniformly provided with spraying balls 15, the spraying balls 15 are connected with a water pump 17 through a water pipe 16, and the water pump 17 is connected with a water tank 18.

Furthermore, the scraping pieces 12 are arranged on the edges of the left spiral stirring piece 5 and the right spiral stirring piece 13, and the scraping pieces 12 are tangent to the inner wall of the drying cylinder 1.

Further, the outer walls of the drying cylinder 1 and the cylinder cover 14 are provided with a heat preservation layer 19, a heat preservation cavity is formed between the heat preservation layer 19 and the outer walls of the drying cylinder 1 and the cylinder cover 14, an air inlet of the heat preservation cavity is connected with the air inlet hose I7 through the air inlet hose II 20, and an air outlet of the heat preservation cavity is connected with the air outlet hose I11 through the air outlet hose II 21.

The utility model has the advantages that:

the utility model discloses a set up hollow (mixing) shaft and with the hollow left spiral stirring piece of (mixing) shaft cavity intercommunication with the right spiral stirring piece simultaneously heat the material, the outer wall sets up the heat preservation shell, improved the dry effect that keeps warm, and left spiral stirring piece carries out the spiral stirring to the material with the right spiral stirring piece when heating and carries, realized that the material just can be by quick even drying in the straight line transportation process, both practiced thrift drying time, avoided using high-power actuating mechanism again, realized the low energy high efficiency drying of material; because the left spiral stirring sheet and the right spiral stirring sheet rotate relatively or reversely, the materials can be conveyed and dried back and forth in the space limited by the drying cylinder, the space of the drying cylinder is saved, and the materials with higher humidity can be completely dried. And, set up the tangent tablet of scraping with the agitator inner wall at the limit portion of spiral stirring leaf, can prevent that the material from on the inner wall of drying cylinder at the drying process adhesion, avoid the adhesion material to heat for a long time and burnt the waste that causes the material and influence drying device's drying quality. The upper cover is provided with the cleaning device, so that the cleaning is convenient, and the cleaning requirement of GMP (good manufacturing practice) certification can be met. The utility model discloses it is effectual to keep warm, is convenient for wash, and drying efficiency is high, and the consumption is little, and the material is dry even, convenient operation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the stirring shaft and the spiral stirring plate of the present invention;

fig. 3 is a cross-sectional view of the stirring shaft and the spiral stirring sheet of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in fig. 1-3, the intermittent helical ribbon type natural product raw material drying device comprises a drying cylinder 1, a feed hopper 2, a discharge hopper 3, a stirring shaft 4, a left helical stirring blade 5, a motor 6, an air inlet hose i 7, a high-temperature steam generating device 8, a quick connector 9, a belt wheel transmission mechanism 10, an air outlet hose i 11, a right helical stirring blade 13, a cylinder cover 14, a spray ball 15, a water pipe 16, a water pump 17 and a water tank 18.

The top of the drying cylinder 1 is provided with a cylinder cover 14, the middle part of the top of the cylinder cover 14 is provided with a feed hopper 2, and the middle part of the bottom of the drying cylinder 1 is provided with a discharge hopper 3; the stirring shaft 4 is arranged on the drying cylinder 1 through a bearing; the stirring shaft 4 is connected with the motor 6 through a belt wheel transmission mechanism 10, a left spiral stirring piece 5 is arranged at the left section of the stirring shaft 4, a right spiral stirring piece 13 is arranged at the right section of the stirring shaft 4, the left spiral stirring piece 5 and the right spiral stirring piece 13 are of hollow structures, and the middle cavities of the left spiral stirring piece 5 and the right spiral stirring piece 13 are communicated with the middle cavity of the stirring shaft 4; the one end of (mixing) shaft 4 is passed through quick-operation joint 9 of fixed mounting on 1 outer wall of drying cylinder and is connected with air inlet hose I7, and air inlet hose I7 is connected with high temperature steam generating device 8's gas outlet, and the other end of (mixing) shaft 4 is passed through quick-operation joint 9 and is connected with I11 of the hose of giving vent to anger, and I11 of the hose of giving vent to anger is connected with high temperature steam generating device 8's air inlet. The discharge hopper 3 and the feed hopper 2 are respectively provided with a valve, in the utility model, the valve on the discharge hopper 3 is closed in the feeding process of the feed hopper 2; when the discharging hopper 3 discharges materials, the feeding hopper 2 stops feeding materials. The high-temperature steam generating device 8 injects high-temperature steam into the middle cavity of the stirring shaft 4 through the air inlet hose I7, because the left spiral stirring piece 5 and the right spiral stirring piece 13 are provided with the middle cavity communicated with the middle cavity of the stirring shaft 4, the high-temperature steam entering the middle cavity of the stirring shaft 4 is distributed into the middle cavities of the left spiral stirring piece 5 and the right spiral stirring piece 13, after materials are added into the drying cylinder 1, firstly, the motor 6 drives the stirring shaft 4 to rotate forwards through the belt wheel transmission mechanism 10, the stirring shaft 4 drives the left spiral stirring piece 5 and the right spiral stirring piece 13 thereon to rotate in opposite directions, the materials are simultaneously heated by the stirring shaft 4, the left spiral stirring piece 5 and the right spiral stirring piece 13, the heating area is greatly increased by the left spiral stirring piece 5 and the right spiral stirring piece 13, and when the left spiral stirring piece 5 and the right spiral stirring piece 13 rotate under the action of the stirring shaft 4, the left spiral stirring piece 5 and the right spiral stirring piece 13 convey the materials heated by the feed hopper 2 to two sides of the drying cylinder 1 for drying, then the motor 6 drives the stirring shaft 4 to rotate reversely, the stirring shaft 4 drives the left spiral stirring piece 5 and the right spiral stirring piece 13 to rotate in opposite directions, the left spiral stirring piece 5 and the right spiral stirring piece 13 convey the materials on two sides of the drying cylinder 1 to the middle part, thus the materials are dried repeatedly through the opposite and opposite rotation of the left spiral stirring piece 5 and the right spiral stirring piece 13, after drying, a valve on the discharge hopper 3 is opened, the stirring shaft 4 drives the left spiral stirring piece 5 and the right spiral stirring piece 13 to rotate in opposite directions, the left spiral stirring piece 5 and the right spiral stirring piece 13 convey the materials on two sides of the drying cylinder 1 to the middle part, and discharge the dried materials from the discharge hopper 3, the left spiral stirring piece 5 and the right spiral stirring piece 13 can carry out spiral overturning stirring on the materials in the rotating process, the material can be guaranteed to be heated and dried quickly and uniformly in the linear conveying process. Because the left spiral stirring sheet and the right spiral stirring sheet rotate relatively or reversely, the materials can be conveyed and dried back and forth in the space limited by the drying cylinder, the space of the drying cylinder 1 is saved, and the materials with higher humidity can be completely dried. The outer wall of a drying cylinder 1 and a cylinder cover 14 is provided with a heat preservation layer 19, a heat preservation cavity is formed between the heat preservation layer 19 and the outer walls of the drying cylinder 1 and the cylinder cover 14, an air inlet of the heat preservation cavity is connected with an air inlet hose I7 through an air inlet hose II 20, and an air outlet of the heat preservation cavity is connected with an air outlet hose I11 through an air outlet hose II 21. When adopting (mixing) shaft 4 and left spiral stirring piece 5 and right spiral stirring piece 13 to the material heating, accessible air inlet hose II 20 lets in high temperature steam to the heat preservation intracavity, guarantees the temperature in the drying section of thick bamboo 1, the better dry material of being convenient for.

The inner wall of the cylinder cover 14 is uniformly provided with spraying balls 15, the spraying balls 15 are connected with a water pump 17 through a water pipe 16, and the water pump 17 is connected with a water tank 18. After the material heating drying finishes, can supply water to spraying ball 15 through water pipe 16 under water pump 17's effect, wash 1 inner wall of drying cylinder and (mixing) shaft, spiral stirring piece through spraying ball 15, guarantee to satisfy the clean requirement of pharmaceutical production GMP authentication.

The edges of the left spiral stirring blade 5 and the right spiral stirring blade 13 are provided with scraping pieces 12, and the scraping pieces 12 are tangent to the inner wall of the drying cylinder 1; through set up the scraper 12 tangent with the inner wall of drying cylinder 1 on left hand spiral stirring piece 5 and right hand spiral stirring piece 13, at the rotation in-process of left hand spiral stirring piece 5 and right hand spiral stirring piece 13, can drive scraper 12 that is helical structure and rotate and scrape the adhesion on drying cylinder 1 material, avoid the material adhesion to be heated on the inner wall of drying cylinder 1 for a long time and irritate and lead to appearing the condition of scorching, thereby the effectual waste of avoiding the material, avoid the quality that the scorching material influences other materials in the drying cylinder 1. Meanwhile, the problem that the burnt material is adhered to the inner wall of the drying cylinder 1 and is inconvenient to clean is solved.

The utility model discloses a working process:

opening a valve on a feed hopper 2, closing the valve on a discharge hopper 3, in the feeding process, introducing high-temperature steam into the middle cavities of a stirring shaft 4, a left spiral stirring piece 5 and a right spiral stirring piece 13 through a high-temperature steam generating device 8, driving the stirring shaft 4 to rotate forward through a belt wheel transmission mechanism 10 by a motor 6, driving the left spiral stirring piece 5 and the right spiral stirring piece 13 to rotate in opposite directions by the stirring shaft 4, then adding materials to be dried into a drying cylinder 1 through the feed hopper 2, transmitting the materials heated by the feed hopper 2 to two sides of the drying cylinder 1 by the left spiral stirring piece 5 and the right spiral stirring piece 13 for drying, simultaneously drying the materials by the left spiral stirring piece 5, the right spiral stirring piece 13 and the stirring shaft 4, then driving the stirring shaft 4 to rotate backward through the belt wheel transmission mechanism 10 by the motor 6, driving the left spiral stirring piece 5 and the right spiral stirring piece 13 to rotate in opposite directions by the, left spiral stirring piece 5 and right spiral stirring piece 13 convey the material to drying cylinder 1 middle part dry, when adopting (mixing) shaft 4 and left spiral stirring piece 5 and right spiral stirring piece 13 to the material heating, accessible admit air hose II 20 lets in high temperature steam to the heat preservation intracavity, guarantees the temperature in drying cylinder 1, and steam after the heating then returns to high temperature steam generating device 8 through giving vent to anger hose II 21 and heats once more. After the materials are dried by the forward rotation and the reverse rotation of the left spiral stirring piece 5 and the right spiral stirring piece 13 for a plurality of times, the valve on the discharge hopper 3 is opened, so that the stirring shaft 4 drives the left spiral stirring piece 5 and the right spiral stirring piece 13 to rotate in opposite directions to convey the materials to the middle part of the drying cylinder 1, and then the materials are automatically discharged from the discharge hopper 3. In the process, steam after heating the right spiral stirring piece 13, the left spiral stirring piece 5 and the stirring shaft 4 returns to the high-temperature steam generating device 8 again through the air outlet hose 11 to be heated and then is discharged into the middle cavities of the stirring shaft 4 and the left spiral stirring piece 5 to realize circulation heating. After the material heating drying finishes, can supply water to spraying ball 15 through water pipe 16 under the effect of water pump 17, wash 1 inner wall of drying cylinder and (mixing) shaft, spiral stirring piece through spraying ball 15, start the stirring simultaneously, can improve the cleaning performance, sewage is discharged through going out hopper 3.

The utility model discloses a set up hollow (mixing) shaft and with the hollow left spiral stirring piece of (mixing) shaft cavity intercommunication with the right spiral stirring piece simultaneously heat the material, the outer wall is established the heat preservation chamber, can improve heat preservation heating efficiency, and left spiral stirring piece and right spiral stirring piece carry out the spiral stirring to the material and carry out the spiral stirring transport while heating, realized that the material just can be by quick even drying in the straight line transportation process, both practiced thrift drying time, avoided using high-power actuating mechanism again, realized the low energy high efficiency drying of material; because the left spiral stirring sheet and the right spiral stirring sheet rotate relatively or reversely, the materials can be conveyed and dried back and forth in the space limited by the drying cylinder, the space of the drying cylinder is saved, and the materials with higher humidity can be completely dried. And, set up the tangent tablet of scraping with the agitator inner wall at the limit portion of spiral stirring leaf, can prevent that the material from on the inner wall of drying cylinder at the drying process adhesion, avoid the adhesion material to heat for a long time and burnt the waste that causes the material and influence drying device's drying quality. Set up belt cleaning device on the cover, it is convenient to wash, can satisfy the clean requirement of pharmaceutical production GMP authentication. The utility model discloses it is effectual to keep warm, is convenient for wash, and drying efficiency is high, and the consumption is little, and the material is dry even, convenient operation.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (3)

1. An intermittent spiral belt type natural product raw material drying device is characterized in that: the drying device comprises a drying cylinder (1), a feed hopper (2), a discharge hopper (3), a stirring shaft (4), a left spiral stirring sheet (5), a motor (6), an air inlet hose I (7), a high-temperature steam generating device (8), a quick connector (9), a belt wheel transmission mechanism (10), an air outlet hose I (11), a right spiral stirring sheet (13), a cylinder cover (14), a spraying ball (15), a water pipe (16), a water pump (17) and a water tank (18); a cylinder cover (14) is arranged at the top of the drying cylinder (1), a feed hopper (2) is arranged in the middle of the top of the cylinder cover (14), and a discharge hopper (3) is arranged in the middle of the bottom of the drying cylinder (1); the stirring shaft (4) is arranged on the drying cylinder (1) through a bearing; the stirring shaft (4) is connected with the motor (6) through a belt wheel transmission mechanism (10), a left spiral stirring piece (5) is arranged at the left section of the stirring shaft (4), a right spiral stirring piece (13) is arranged at the right section of the stirring shaft (4), the left spiral stirring piece (5) and the right spiral stirring piece (13) are of hollow structures, and the middle cavities of the left spiral stirring piece (5) and the right spiral stirring piece (13) are communicated with the middle cavity of the stirring shaft (4); one end of the stirring shaft (4) is connected with an air inlet hose I (7) through a quick connector (9) fixedly installed on the outer wall of the drying cylinder (1), the air inlet hose I (7) is connected with an air outlet of the high-temperature steam generating device (8), the other end of the stirring shaft (4) is connected with an air outlet hose I (11) through the quick connector (9), and the air outlet hose I (11) is connected with an air inlet of the high-temperature steam generating device (8); the inner wall of the cylinder cover (14) is uniformly provided with spraying balls (15), the spraying balls (15) are connected with a water pump (17) through a water pipe (16), and the water pump (17) is connected with a water tank (18).

2. A batch screw belt natural product feedstock drying plant as claimed in claim 1, wherein: the edge parts of the left spiral stirring blade (5) and the right spiral stirring blade (13) are provided with a scraping sheet (12), and the scraping sheet (12) is tangent to the inner wall of the drying cylinder (1).

3. A batch screw belt natural product feedstock drying plant according to claim 1 or 2, characterised in that: the outer wall of a drying cylinder (1) and a cylinder cover (14) is provided with a heat preservation layer (19), a heat preservation cavity is formed between the heat preservation layer (19) and the outer walls of the drying cylinder (1) and the cylinder cover (14), an air inlet of the heat preservation cavity is connected with an air inlet hose I (7) through an air inlet hose II (20), and an air outlet of the heat preservation cavity is connected with an air outlet hose I (11) through an air outlet hose II (21).

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