Vacuum drying equipment for feed additive production

Abstract

The utility model discloses vacuum drying equipment for feed additive production, and relates to the technical field of vacuum drying equipment. The drying device comprises a drying tank, the top of the drying tank is communicated with a feeding pipe, one side of the drying tank is fixedly connected with a gear motor, the bottom of the drying tank is communicated with a discharging pipe, one side of the drying tank is provided with a condenser, and one side of the condenser is communicated with a vacuum pump. By means of the innovative collaborative design of the sealing assembly and the material storage assembly, efficient recycling of dry steam waste heat is achieved, high-temperature steam can be conveniently recycled through a gap structure between a funnel pipe and a sealing pipe in the sealing assembly, and the high-temperature steam is conveyed to a copper preheating plate and a U-shaped waste heat pipe of the material storage assembly through a conveying pipe; the heat is conducted to the to-be-dried material through the exchange medium, and compared with traditional equipment which directly discharges steam, the energy consumption can be reduced, the production cost is remarkably reduced, the drying period is shortened, and the win-win situation of energy conservation and efficiency improvement is achieved.

Description

Technical Field

[0001] This utility model belongs to the technical field of vacuum drying equipment, and in particular relates to a vacuum drying equipment for the production of feed additives. Background Technology

[0002] Vacuum drying technology is widely used in feed additive production due to its low temperature and high efficiency. However, existing vacuum drying equipment suffers from significant energy waste during operation: a large amount of high-temperature steam generated during material drying is directly discharged through the condenser, and the waste heat is not effectively recovered and utilized. This not only increases energy consumption but also raises production costs.

[0003] Traditional drying equipment typically employs a single steam condensation process, where heat from the steam is directly lost through cooling water, failing to preheat the material to be dried. Furthermore, the feeding system lacks a sealing design, making it prone to material leakage or steam overflow during drying, further reducing thermal efficiency. While some equipment attempts to incorporate heat recovery devices, their complex structures and low heat transfer efficiency make them unsuitable for the continuous production requirements of feed additives.

[0004] To address these issues, we provide a vacuum drying apparatus for the production of feed additives. Utility Model Content

[0005] The purpose of this invention is to provide a vacuum drying device for the production of feed additives. By combining the sealing component and the material storage component, it solves the problem in the prior art where the heat in the steam is directly lost through the cooling water and cannot be used to preheat the material to be dried, resulting in a waste of resources.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution.

[0007] This utility model relates to a vacuum drying device for the production of feed additives, comprising a drying tank, a feed pipe connected to the top of the drying tank, a geared motor fixedly connected to one side of the drying tank, a discharge pipe connected to the bottom of the drying tank, a condenser installed on one side of the drying tank, a vacuum pump connected to one side of the condenser, a sealing assembly installed inside the feed pipe, the sealing assembly including a sealing pipe connected to the top of the drying tank, a funnel pipe fixedly connected inside the feed pipe, and a conveying pipe connected to one side of the feed pipe, a storage assembly connected to the top of the feed pipe, the storage assembly including a storage tank connected to the top of the feed pipe, a preheating plate installed inside the storage tank, and a waste heat pipe installed inside the preheating plate.

[0008] The present invention is further configured such that the bottom of the sealing tube is connected to the drying tank, the bottom of the funnel tube passes through the sealing tube and extends into the interior of the drying tank, the outer diameter of the funnel tube is smaller than the inner diameter of the sealing tube, and a self-control valve is connected to the surface of the funnel tube.

[0009] The present invention is further configured such that a three-way valve is provided inside the storage tank, the other end of the conveying pipe is connected to the three-way valve, and the other end of the three-way valve is connected to the waste heat pipe.

[0010] The present invention is further configured such that there are two preheating plates, the preheating plates are made of copper, the waste heat pipe is U-shaped, the preheating plates are filled with an exchange medium, and the other end of the waste heat pipe is connected to the condenser.

[0011] The present invention is further configured such that a limiting groove is provided on the top of the storage tank, a limiting rod is placed inside the limiting groove, and one end of the limiting rod is fixedly connected to the preheating plate.

[0012] The present invention is further configured such that a support block is fixedly connected inside the storage tank, and support plates are fixedly connected to both sides of the bottom of the preheating plate, and a support groove adapted to the support block is opened inside the support plate.

[0013] The present invention has the following beneficial effects.

[0014] 1. This utility model achieves efficient recovery and utilization of waste heat from drying steam through the innovative collaborative design of the sealing component and the storage component. The gap structure between the funnel tube and the sealing tube in the sealing component facilitates the recovery of high-temperature steam, which is then transported to the copper preheating plate and U-shaped waste heat tube of the storage component via the conveying pipe. The heat is then transferred to the material to be dried through the exchange medium. Compared with traditional equipment that directly discharges steam, this reduces energy consumption, significantly reduces production costs, and shortens the drying cycle, achieving a win-win situation of energy saving and efficiency improvement.

[0015] 2. This utility model uses a three-way valve to regulate steam distribution, and the preheating plate is double-fixed by a limiting rod and a support block to ensure the stability of heat exchange and make it easy to remove the preheating plate from the storage tank for cleaning. The copper material and the filled exchange medium further improve the uniformity of heat conduction. This design solves the problems of complex heat recovery structure and easy air leakage in traditional equipment. It achieves automated operation while ensuring sealing, and is particularly suitable for the continuous production needs of feed additives.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0018] Figure 1 This is a perspective view of a vacuum drying device used in the production of feed additives.

[0019] Figure 2 This is a cross-sectional view of a storage tank in a vacuum drying device used for the production of feed additives.

[0020] Figure 3 This is a cross-sectional view of the feed pipe in a vacuum drying device used for the production of feed additives.

[0021] Figure 4 This is a cross-sectional view of a preheating plate in a vacuum drying device used for the production of feed additives.

[0022] In the attached diagram: 1. Drying tank; 2. Feed pipe; 3. Gear motor; 4. Discharge pipe; 5. Condenser; 6. Vacuum pump; 7. Sealing pipe; 8. Funnel pipe; 9. Conveying pipe; 10. Storage tank; 11. Preheating plate; 12. Waste heat pipe; 13. Three-way valve; 14. Limiting groove; 15. Limiting rod; 16. Support block; 17. Support plate. Detailed Implementation

[0023] The technical solutions of the present utility model will be described below with reference to the accompanying drawings. The described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example 1

[0025] Please see Figures 1-4 This utility model relates to a vacuum drying device for feed additive production, comprising a drying tank 1, a feed pipe 2 connected to the top of the drying tank 1, a geared motor 3 fixedly connected to one side of the drying tank 1, a discharge pipe 4 connected to the bottom of the drying tank 1, a condenser 5 installed on one side of the drying tank 1, a vacuum pump 6 connected to one side of the condenser 5, and a sealing assembly installed inside the feed pipe 2. The sealing assembly includes a sealing pipe 7 connected to the top of the drying tank 1, a funnel pipe 8 fixedly connected inside the feed pipe 2, and a conveying pipe 9 connected to one side of the feed pipe 2. The sealing assembly ensures the airtightness of the drying tank 1 and allows for smooth steam recovery during feeding. A storage assembly is connected to the top of the feed pipe 2, including a storage tank 10 connected to the top of the feed pipe 2, a preheating plate 11 installed inside the storage tank 10, and a waste heat pipe 12 installed inside the preheating plate 11. Through the storage assembly and waste heat recovery technology, the heat in the steam is used to preheat the material to be dried, achieving energy recycling.

[0026] Example 2

[0027] Please see Figures 1-4Based on Example 1, the bottom of the sealing tube 7 is connected to the drying tank 1, and the bottom of the funnel tube 8 passes through the sealing tube 7 and extends into the interior of the drying tank 1. The outer diameter of the funnel tube 8 is smaller than the inner diameter of the sealing tube 7. A self-regulating valve is connected to the surface of the funnel tube 8. Through the arrangement of the funnel tube 8 and the sealing tube 7, the funnel tube 8 is used to transport the material into the interior of the drying tank 1. The gap between the funnel tube 8 and the sealing tube 7 is used to recover the steam generated during drying, allowing the steam to enter the conveying pipe 9. A three-way valve 13 is installed inside the storage tank 10. The other end of the conveying pipe 9 is connected to the three-way valve 13, and the other end of the three-way valve 13 is connected to the waste heat pipe 12. Through the arrangement of the three-way valve 13, the steam in the conveying pipe 9 is diverted. There are two preheating plates 11, and the material of the preheating plates 11 is copper. The waste heat pipe 12 is U-shaped, and the interior of the preheating plates 11 is filled with cross-linked... The waste heat pipe 12 is connected to the condenser 5 at the other end. Two copper preheating plates 11 are used to transfer the heat of the steam in the waste heat pipe 12 to the material and improve the heat exchange efficiency. A limiting groove 14 is opened on the top of the storage tank 10. A limiting rod 15 is placed inside the limiting groove 14. One end of the limiting rod 15 is fixedly connected to the preheating plate 11. Through the setting of the limiting groove 14 and the limiting rod 15, the limiting rod 15 is placed in the limiting groove 14 to support and limit the top of the preheating plate 11. A support block 16 is fixedly connected inside the storage tank 10. Support plates 17 are fixedly connected to both sides of the bottom of the preheating plate 11. The support plate 17 has a support groove that matches the support block 16. The support block 16 and the support plate 17 are used to support the bottom of the preheating plate 11.

[0028] The working principle of this utility model is as follows: the raw material to be processed is placed inside the storage tank 10, the raw material enters the drying tank 1 through the feed pipe 2, the heating medium enters the drying tank 1 through the medium pipe at the top of the drying tank 1 to heat the inner tank of the drying tank 1, the reduction motor 3 drives the stirring device inside the inner tank to rotate, and the raw material is dried by stirring and heating, and the vacuum pump 6 generates suction to draw the steam generated during drying into the feed pipe 2.

[0029] Steam is delivered to the three-way valve 13 through the conveying pipe 9 on the feed pipe 2, and then to the waste heat pipe 12 through the three-way valve 13. The heat of the steam inside the waste heat pipe 12 is exchanged with the heat exchange medium inside the preheating plate 11. The heated heat exchange medium heats the preheating plate 11, and the preheating plate 11 preheats the raw material in the storage tank 10. The preheated raw material can reduce the drying time and improve the drying efficiency. The steam after heat exchange is delivered to the condenser 5 for further processing, and the preheating plate 11 can be easily removed from the storage tank 10 for regular cleaning.

[0030] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A vacuum drying apparatus for feed additive production, comprising a drying tank (1), characterized in that: The top of the drying tank (1) is communicated with a feeding pipe (2), one side of the drying tank (1) is fixedly connected with a speed reducer motor (3), the bottom of the drying tank (1) is communicated with a discharge pipe (4), one side of the drying tank (1) is provided with a condenser (5), one side of the condenser (5) is communicated with a vacuum pump (6); The feeding pipe (2) is provided with a sealing assembly, which comprises a sealing pipe (7) communicated with the top of the drying tank (1), a funnel pipe (8) fixedly connected in the feeding pipe (2), and a conveying pipe (9) communicated with one side of the feeding pipe (2); The top of the feeding pipe (2) is communicated with a storage assembly, which comprises a storage tank (10) communicated with the top of the feeding pipe (2), a preheating plate (11) arranged in the storage tank (10), and a waste heat pipe (12) arranged in the preheating plate (11).

2. A vacuum drying apparatus for feed additive production according to claim 1, characterized in that: The bottom of the sealing pipe (7) is communicated with the drying tank (1), the bottom of the funnel pipe (8) penetrates through the sealing pipe (7) and extends to the inside of the drying tank (1), the outer diameter of the funnel pipe (8) is smaller than the inner diameter of the sealing pipe (7), and the surface of the funnel pipe (8) is communicated with an automatic valve.

3. A vacuum drying apparatus for feed additive production according to claim 1, characterized in that: The inside of the storage tank (10) is provided with a three-way valve (13), the other end of the conveying pipe (9) is communicated with the three-way valve (13), and the other end of the three-way valve (13) is communicated with the waste heat pipe (12).

4. The vacuum drying apparatus for feed additive production according to claim 1, characterized in that: The number of the preheating plate (11) is two, the material of the preheating plate (11) is copper, the shape of the waste heat pipe (12) is U-shaped, the inside of the preheating plate (11) is filled with exchange medium, and the other end of the waste heat pipe (12) is communicated with the condenser (5).

5. The vacuum drying apparatus for feed additive production according to claim 1, characterized in that: The top of the storage tank (10) is provided with a limiting groove (14), the inside of the limiting groove (14) is placed with a limiting rod (15), and one end of the limiting rod (15) is fixedly connected with the preheating plate (11).

6. The vacuum drying apparatus for feed additive production according to claim 1, characterized in that: The inside of the storage tank (10) is fixedly connected with a supporting block (16), the bottom of the preheating plate (11) is fixedly connected with a supporting plate (17) on both sides, and the inside of the supporting plate (17) is provided with a supporting groove matched with the supporting block (16).

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