Costrum immune globulin low-temperature drying device

By introducing structures such as spiral guide plates and annular baffles into the drying device and designing a spiral airflow trajectory, the problem of airflow short-circuiting in the drying tower was solved, achieving full contact and uniform drying of droplets, thereby improving drying efficiency and protecting protein activity.

CN224230617UActive Publication Date: 2026-05-12JIANGNAN UNIV +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGNAN UNIV
Filing Date
2025-05-30
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

现有的喷雾干燥装置中,干燥塔中心区域气流速度低,边缘区域气流速度高,导致部分热空气沿塔壁附近快速流动形成‘短路通道’,未与雾滴充分接触,平均停留时间较短。

Method used

An extended drying component and guide cone structure are adopted, including a spiral guide plate, an annular baffle plate and a guide cone. A spiral airflow trajectory is designed to extend the residence time of droplets, and the Venturi effect is generated by the gradually narrowing channel to enhance turbulent mixing.

Benefits of technology

It effectively eliminates the short-circuiting phenomenon of central airflow, prolongs the residence time of droplets, improves drying efficiency and uniformity, and protects protein activity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of drying devices, in particular to a colostrum immunoglobulin low-temperature drying device which comprises an upper-section tower body, and an extension drying assembly is arranged on the inner side of the upper-section tower body. The extended drying assembly comprises a spiral flow guide plate fixedly connected with the top of the inner wall of the upper-section tower body, and flow equalizing holes are formed in the inner side of the spiral flow guide plate. According to the utility model, through the arrangement of the extended drying assembly, irregular eddy current of the upper section of the tower body is converted into stable spiral airflow, the droplet retention time is prolonged, and the diversion cone forcibly divides central airflow, forces the airflow to deflect towards the tower wall, eliminates the short circuit phenomenon of the central airflow, and prolongs the droplet retention time; and through the arrangement of extending the drying assembly again, the flow guide cone and the annular spoiler jointly form a spiral airflow track, the fogdrop bypassing distance is increased, the Venturi effect is generated through the through hole gradual shrinkage type hole channel design, and turbulent mixing is enhanced while the airflow speed is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of drying equipment technology, and in particular to a low-temperature drying device for colostrum immunoglobulins. Background Technology

[0002] Colostrum immunoglobulins are a class of immunologically active proteins found in colostrum, playing a vital role in enhancing immunity and regulating bodily physiological functions. A nebulizer is used to transform the colostrum solution into tiny droplets, increasing the liquid's surface area and allowing for rapid evaporation of water, followed by drying and collection.

[0003] Regarding the aforementioned technologies, the existing spray drying devices have the following drawbacks: the airflow velocity in the central area of ​​some existing drying towers is low, while the airflow velocity in the edge area is high. This causes some hot air to flow rapidly along the tower wall, forming a "short-circuit channel" and flowing directly to the outlet without sufficient contact with the droplets, resulting in a short average residence time. Therefore, this utility model provides a low-temperature drying device for colostrum immunoglobulins. Utility Model Content

[0004] The purpose of this application is to provide a low-temperature drying device for colostrum immunoglobulins to solve the problem mentioned in the background art that the airflow velocity in the central area of ​​the existing drying tower is low and the airflow velocity in the edge area is high, which causes some hot air to flow rapidly along the tower wall, forming a "short-circuit channel" and flowing directly to the outlet without sufficient contact with the droplets, resulting in a short average residence time.

[0005] To achieve the above objectives, this application provides the following technical solution: a low-temperature drying device for colostrum immunoglobulins, comprising an upper tower body, wherein an extended drying assembly is provided on the inner side of the upper tower body; the extended drying assembly includes a spiral guide plate fixedly connected to the top of the inner wall of the upper tower body, wherein a flow equalization hole is provided on the inner side of the spiral guide plate, and a gap is provided between the spiral guide plate and the inner side of the upper tower body; a guide cone is provided at the middle position inside the upper tower body; a middle tower body is fixedly connected to the bottom end of the upper tower body, and a further extended drying assembly is provided inside the middle tower body.

[0006] Preferably, the extended drying assembly includes multiple annular baffles arranged sequentially on the side of the inner wall of the middle section of the tower. The inner diameter of the annular baffles decreases sequentially from top to bottom. Multiple through holes are provided on the outer side of the annular baffles, and the through holes are gradually narrowing channels.

[0007] Preferably, the surface of the annular baffle is inclined, and the thickness of the surface of the annular baffle away from the central axis is higher than that of the surface closer to the central axis.

[0008] Preferably, a centrifugal atomizer is installed through the inner side of the upper tower body, the output end of the centrifugal atomizer extends into the upper tower body, and a feed pump is installed at the input end of the centrifugal atomizer.

[0009] Preferably, an insulation frame is fixedly connected to the outer side of the upper tower body, and a spiral copper tube is installed inside the insulation frame. The pitch of the spiral copper tube gradually increases along the top of the upper tower body. A circulating cooling pump is installed on the outer side of the insulation frame, and the output end and input end of the circulating cooling pump are respectively connected to the spiral copper tube.

[0010] Preferably, an air supply pipe is provided through the inner side of the upper tower body, the air supply pipe is connected to a hot air fan installed outside, one end of the air supply pipe extends into the upper tower body, a hot air distribution pipe is fixedly connected to one end of the air supply pipe, the hot air distribution pipe is connected to the bottom of the inner wall of the upper tower body, and multiple inclined blowing pipes are provided on the outer side of the hot air distribution pipe.

[0011] Preferably, a support rod is fixedly connected to the top of the guide cone, and the support rod is fixedly connected to the top of the inner wall of the upper section of the tower.

[0012] Preferably, a lower tower body is fixedly connected to the bottom of the middle tower body. The lower tower body is funnel-shaped, and a communicating airlock valve is fixedly connected to the bottom of the lower tower body. A cyclone separator is fixedly connected to the output end of the airlock valve.

[0013] In summary, the technical effects and advantages of this utility model are as follows:

[0014] In this invention, by extending the setting of the drying component, the irregular vortex of the upper tower body is transformed into a stable spiral airflow, thereby increasing the residence time of the droplets. Furthermore, the guide cone forcibly divides the central airflow, forcing the airflow to deflect towards the tower wall, eliminating the short-circuiting phenomenon of the central airflow, and extending the residence time of the droplets. Moreover, by further extending the setting of the drying component, the guide cone and the annular baffle plate together form a spiral airflow trajectory, increasing the distance the droplets travel around the surface. In addition, the through-hole gradually narrowing channel design generates the Venturi effect, which reduces the airflow velocity while enhancing turbulent mixing. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a first-view axial side view of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the second-view axial side structure of the present invention;

[0018] Figure 3 This is a schematic diagram of the flow guide cone of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of multiple annular flow deflectors in this utility model;

[0020] Figure 5 This is a schematic diagram of the through hole in this utility model.

[0021] In the diagram: 1. Upper tower section; 2. Middle tower section; 3. Lower tower section; 4. Airlock valve; 5. Cyclone separator; 6. Insulation frame; 7. Centrifugal atomizer; 8. Feed pump; 9. Air duct; 10. Circulating cooling pump; 11. Spiral copper pipe; 12. Guide cone; 13. Support rod; 14. Hot air distribution pipe; 15. Spiral guide plate; 16. Through hole; 17. Annular baffle plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Example 1: Reference Figure 1-5The device for low-temperature drying of colostrum immunoglobulin shown includes an upper tower body 1, with an extended drying assembly installed on the inner side of the upper tower body 1. The extended drying assembly includes a spiral guide plate 15 fixedly connected to the top of the inner wall of the upper tower body 1. The spiral guide plate 15 has flow equalization holes on its inner side, which are used to evenly distribute the hot airflow entering the tower, ensuring consistent material drying. A gap is provided between the spiral guide plate 15 and the inner wall of the upper tower body 1, guiding the hot airflow downwards along a spiral path, effectively extending the residence time of the hot airflow in the tower, thereby improving drying efficiency. A guide cone 12 is installed in the middle of the interior of the upper tower body 1, with a polytetrafluoroethylene (PTFE) anti-stick coating on its surface. The guide cone 12 diffuses the hot airflow to the surrounding area of ​​the tower, making the airflow distribution more uniform, while the PTFE anti-stick coating prevents colostrum immunoglobulin material from adhering to the surface of the guide cone, avoiding material waste and equipment contamination. A middle tower body 2 is fixedly connected to the bottom of the upper tower body 1, and the middle tower body 2 contains... The system includes a secondary extended drying assembly. This assembly comprises multiple annular baffles 17 arranged sequentially on the inner wall of the middle section tower 2. The inner diameter of the annular baffles 17 decreases sequentially from top to bottom. This design allows the hot airflow to continuously change its flow direction and speed as it passes through, further extending the contact time between the hot airflow and the material and enhancing the drying effect. The outer side of the annular baffles 17 has multiple through holes 16, which are gradually narrowing channels that can generate a certain resistance to the hot airflow, causing the airflow to form turbulence within the channels, increasing the degree of mixing with the material, and improving the drying uniformity. The surface of the annular baffles 17 is inclined, with the thickness of the surface away from the central axis being higher than that of the surface near the central axis. This inclined structure can guide the hot airflow along the direction of the surface, promoting full contact between the material and the hot airflow during the falling process. At the same time, the gradient resistance formed by the difference in the thickness of the surface optimizes the airflow state and ensures the stability and efficiency of the drying process.

[0025] Example 2: Reference Figure 1-5Based on the same concept as Embodiment 1 above, this embodiment further proposes that a centrifugal atomizer 7 is installed through the inner side of the upper tower body 1, with the output end of the centrifugal atomizer 7 extending into the upper tower body 1. A feed pump 8 is installed at the input end of the centrifugal atomizer 7, wherein the feed pump 8 is used to transport the material to the centrifugal atomizer 7. The centrifugal atomizer 7 can atomize the material into fine droplets at high speed, increasing the contact area between the material and the hot air and accelerating the drying rate. A heat insulation frame 6 is fixedly connected to the outer side of the upper tower body 1, and a spiral copper tube 11 is installed inside the heat insulation frame 6. The pitch of the spiral copper tube 11 gradually increases along the top of the upper tower body 1. A circulating cooling pump 10 is installed outside the heat insulation frame 6, with the output end and input end of the circulating cooling pump 10 connected to the spiral copper tube 11 respectively. The heat insulation frame 6 can reduce the heat loss of the upper tower body 1 and maintain the temperature stability inside the tower. The circulating cooling pump 10 drives the cooling medium to circulate in the spiral copper tube 11. The upper tower 1 has a cooling effect, and the gradually increasing pitch design allows the cooling effect to be reasonably distributed along the height of the tower, achieving rapid cooling of the product. At the same time, the gradually increasing pitch design does not affect the initial drying effect of the material. An air conveying pipe 9 is installed through the inner side of the upper tower 1. The air conveying pipe 9 is connected to an external hot air fan. One end of the air conveying pipe 9 extends into the upper tower 1, and a hot air distribution pipe 14 is fixedly connected to one end of the air conveying pipe 9. The hot air distribution pipe 14 is connected to the bottom of the inner wall of the upper tower 1. Multiple inclined air blowing pipes are opened on the outer side of the hot air distribution pipe 14. The hot air fan delivers hot air to the hot air distribution pipe 14 through the air conveying pipe 9. The inclined air blowing pipes on the hot air distribution pipe 14 can evenly distribute the hot air into the upper tower 1, so that the atomized material can fully contact the hot air and ensure the drying uniformity. A support rod 13 is fixedly connected to the top of the guide cone 12, and the support rod 13 is fixedly connected to the top of the inner wall of the upper tower 1. Support rod 13 is used to fix guide cone 12, which guides the flow direction of material and hot air, making the material move more orderly in the tower and improving drying efficiency. The bottom of the middle tower body 2 is fixedly connected to the lower tower body 3, which is horn-shaped. The bottom of the lower tower body 3 is fixedly connected to a connected airlock valve 4, and the output end of the airlock valve 4 is fixedly connected to a cyclone separator 5. The horn-shaped structure of the lower tower body 3 allows the speed of material and airflow to change gradually, which facilitates material collection. The airlock valve 4 prevents outside air from entering the tower and controls the discharge of material. The cyclone separator 5 is used to separate and collect the dried material, improving the material recovery rate.

[0026] The working principle of this practical system is as follows: The material is introduced into the centrifugal atomizer 7 through the feed pump 8, and enters the upper tower 1 through the output end of the centrifugal atomizer 7. Hot air is blown out through the air duct 9 and the hot air distribution pipe 14 to dry the material. The spiral copper tube 11 transforms the irregular vortex of the upper tower 1 into a stable spiral airflow, preventing particles from sticking to the wall and increasing the residence time of the droplets. Slow drying is achieved through the flow equalization hole, which protects the activity of the protein. The guide cone 12 forcibly divides the central airflow, forcing the airflow to deflect towards the tower wall. Together with the annular baffle plate 17, it forms a spiral airflow trajectory, increasing the distance the droplets travel around the wall. The guide cone 12 also eliminates the short-circuiting phenomenon of the central airflow, which prolongs the residence time of the droplets. The gradually narrowing channel design of the through hole 16 produces the Venturi effect, which enhances turbulent mixing while reducing the airflow velocity. The dried powder is carried by the airflow from the bottom outlet of the lower tower 3 through the airlock valve 4 and enters the cyclone separator 5 tangentially, where the powder is collected.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A low-temperature drying device for colostrum immunoglobulins, comprising an upper tower body (1), characterized in that: An extended drying assembly is provided on the inner side of the upper tower body (1); The extended drying assembly includes a spiral guide plate (15) fixedly connected to the top of the inner wall of the upper tower (1). The spiral guide plate (15) has a flow equalization hole on its inner side. The spiral guide plate (15) has a gap with the inner side of the upper tower (1). A guide cone (12) is provided in the middle of the interior of the upper tower (1). The bottom of the upper tower (1) is fixedly connected to a middle tower (2). The middle tower (2) is provided with a further extended drying assembly.

2. The low-temperature drying apparatus for colostrum immunoglobulins according to claim 1, characterized in that: The extended drying assembly includes multiple annular baffles (17) arranged sequentially on the inner wall side of the middle tower body (2). The inner diameter of the annular baffles (17) decreases sequentially from top to bottom. Multiple through holes (16) are opened on the outer side of the annular baffles (17). The through holes (16) are gradually narrowing channels.

3. The low-temperature drying apparatus for colostrum immunoglobulins according to claim 2, characterized in that: The annular baffle plate (17) is inclined, and the thickness of the annular baffle plate (17) away from the central axis is higher than that of the plate near the central axis.

4. The low-temperature drying apparatus for colostrum immunoglobulins according to claim 1, characterized in that: A centrifugal atomizer (7) is installed through the inner side of the upper tower body (1). The output end of the centrifugal atomizer (7) extends into the upper tower body (1). A feed pump (8) is installed at the input end of the centrifugal atomizer (7).

5. The low-temperature drying apparatus for colostrum immunoglobulins according to claim 4, characterized in that: An insulation frame (6) is fixedly connected to the outside of the upper tower body (1). A spiral copper tube (11) is installed inside the insulation frame (6). The pitch of the spiral copper tube (11) gradually increases along the top of the upper tower body (1). A circulating cooling pump (10) is installed on the outside of the insulation frame (6). The output end and input end of the circulating cooling pump (10) are respectively connected to the spiral copper tube (11).

6. The low-temperature drying apparatus for colostrum immunoglobulins according to claim 1, characterized in that: An air supply pipe (9) is provided through the inner side of the upper tower body (1). The air supply pipe (9) is connected to a hot air blower installed outside. One end of the air supply pipe (9) extends into the upper tower body (1). A hot air distribution pipe (14) is fixedly connected to one end of the air supply pipe (9). The hot air distribution pipe (14) is connected to the bottom of the inner wall of the upper tower body (1). Multiple inclined blowing pipes are opened on the outer side of the hot air distribution pipe (14).

7. The low-temperature drying apparatus for colostrum immunoglobulins according to claim 6, characterized in that: The top of the guide cone (12) is fixedly connected to a support rod (13), and the support rod (13) is fixedly connected to the top of the inner wall of the upper tower body (1).

8. The low-temperature drying apparatus for colostrum immunoglobulins according to claim 6, characterized in that: The bottom end of the middle tower body (2) is fixedly connected to the lower tower body (3), which is shaped like a trumpet. The bottom end of the lower tower body (3) is fixedly connected to a connected airlock valve (4), and the output end of the airlock valve (4) is fixedly connected to a cyclone separator (5).