Animal feed hot air drying device

Abstract

An animal feed hot air drying device comprises a support and a drying system arranged on the support. The drying system comprises a vertically-arranged outer cylinder, a feeding pipe and an air outlet pipe are arranged at the upper end of the outer cylinder, and a discharging pipe and an air inlet pipe are arranged at the lower end of the outer cylinder. A columnar flow guide body is coaxially arranged in the outer barrel, the upper end and the lower end of the flow guide body are both of a cone-shaped structure, an air outlet of the air inlet pipe faces upwards and directly faces a cone tip at the lower end of the flow guide body, and a discharging port of the feeding pipe faces downwards and directly faces a cone tip at the upper end of the flow guide body. To-be-dried feed particles can be shunted into a gap formed between the flow guide body and the inner wall of the outer cylinder under the action of the flow guide body and fall down, and hot air can be shunted into a gap formed between the flow guide body and the inner wall of the outer cylinder under the action of the flow guide body and flows up, so that the feed particles can be in full contact with the hot air and exchange heat with the hot air; and the drying effect and the drying efficiency of the feed particles are further ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying device technical field, concretely is an animal feed hot -air drying device. BACKGROUND

[0002] The drying work of animal feed usually is carried out by means of hot -air drying, and the common hot -air drying modes include box type hot -air drying, tunnel type hot -air drying, fluidized bed hot -air drying and rotary drum hot -air drying, but the above-mentioned various drying modes cannot guarantee the sufficient contact of feed particles and hot air, so that the hot -air drying work of animal feed is difficult to carry out efficiently. CONTENT OF THE UTILITY MODEL

[0003] To solve the technical problems in the above background art, the utility model provides an animal feed hot -air drying device.

[0004] The utility model technical scheme is as follows:

[0005] An animal feed hot -air drying device, including support and the drying system that is arranged on it, and the drying work of animal feed can be completed through the drying system.

[0006] As the core technical concept of the utility model, the drying system includes the outer tube that is arranged vertically, the upper end of which is provided with the feeding pipe and the air outlet pipe, and the lower end of which is provided with the discharge pipe and the air inlet pipe, the coaxial columnar flow guide body is arranged in the inner part of the outer tube, the upper and lower ends of the flow guide body are both conical structure, the air outlet of the air inlet pipe is arranged upwardly opposite the cone tip of the lower end of the flow guide body, and the discharge port of the feeding pipe is arranged downwardly opposite the cone tip of the upper end of the flow guide body, on the basis of the above structure, the feed particles to be dried added through the feeding pipe can be shunted to the gap formed by the flow guide body and the inner wall of the outer tube under the action of the upper end of the flow guide body and fall downward, and the hot air blown in through the air inlet pipe can be shunted to the gap formed by the flow guide body and the inner wall of the outer tube under the action of the lower end of the flow guide body and flow upward, the heat exchange of the feed particles and the hot air is completed in the gap, the hot air carries the moisture from the air outlet pipe and is transported out, and the dried feed particles can be transported out through the discharge pipe, so that the drying work is completed, the drying mode through the convection of the hot air and the feed particles guarantees the sufficient contact of the feed particles and the hot air, and the drying efficiency of the feed particles is ensured, and the shunting of the hot air and the feed particles through the flow guide body guarantees the sufficient contact of the feed particles and the hot air under the shunting action even when the feed particles entering through the feeding pipe are more, so that the drying efficiency of the feed particles is ensured.

[0007] In order to guarantee the smooth heat exchange between the hot air and the feed particles and ensure the drying effect, the gap between the outer circle of the middle part of the flow guide body and the inner wall of the outer tube is 5-10cm, preferably 7cm.

[0008] As a preferred embodiment, in order to prolong the residence time of the hot air in the gap, and further ensure the heat exchange effect between the hot air and the feed particles, the outer cylinder inner wall is further provided with a spiral flow guide groove.

[0009] As a further preferred, in order to ensure the flow guiding effect of the flow guide groove on the hot air, and prevent the flow of the hot air from being excessively blocked, the pitch of the flow guide groove is 1.3-2 times the inner diameter of the outer cylinder.

[0010] As a further preferred, in order to further ensure the flow guiding effect of the flow guide groove on the hot air, and enable the flow of the hot air to smoothly take away the moisture of the feed particles, the flow guide groove is arranged in multiple around the circumference of the outer cylinder inner wall.

[0011] As the animal feed hot air drying device described above, in order to ensure the shunting effect of the hot air under the action of the flow guide, the vertical height of the air inlet pipe is adjustable.

[0012] As a preferred embodiment, in order to facilitate the disassembly and assembly of the flow guide, and prevent the flow guide from being displaced under the impact, the flow guide is fixed to the inside of the outer cylinder by multiple insertion rods not located in the same horizontal plane, and at least two insertion rods are not parallel.

[0013] As a further preferred, the lower end of the outer cylinder is provided with a bottom cover, the air inlet pipe is vertically arranged through the bottom cover, in order to facilitate the dried feed particles to be concentrated and transported out through the discharge pipe, the bottom cover is funnel-shaped downward, and the discharge pipe is vertically arranged on the lower side of the opening at the bottom end of the bottom cover.

[0014] The animal feed hot air drying device of the utility model, the feed particles to be dried added through the feeding pipe can be shunted into the gap formed by the flow guide and the outer cylinder inner wall under the action of the upper end of the flow guide and falls downward, the hot air blown in through the air inlet pipe can be shunted into the gap formed by the flow guide and the outer cylinder inner wall under the action of the lower end of the flow guide and flows upward, the heat exchange between the feed particles and the hot air is completed in the gap, the hot air carrying the moisture is transported out from the air outlet pipe, and the dried feed particles can be transported out from the discharge pipe, and the drying work is completed, the drying mode through the convection of the hot air and the feed particles ensures that the feed particles can be in full contact with the hot air, and the drying effect of the feed particles is ensured, and the shunting mode of the hot air and the feed particles through the flow guide enables the feed particles to be in full contact with the hot air under the shunting action even when the feed particles entering through the feeding pipe are more, and the drying efficiency of the feed particles is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] The solutions and advantages of the present application will become apparent to those of ordinary skill in the art, by reading the following detailed description of the preferred embodiments, in conjunction with the drawings in which:

[0016] In the drawings:

[0017] Figure 1 A schematic view of the structure of the drying device in the embodiment;

[0018] Figure 2 A schematic view of the internal structure of the drying system in the embodiment;

[0019] The components represented by the reference numerals in the drawings are:

[0020] 1, support; 11, bottom plate; 12, support frame; 13, adjusting seat; 2, drying system; 21, outer cylinder; 211, flow guide groove; 22, flow guide body; 23, insertion rod; 24, top cover; 25, feeding pipe; 26, bottom cover; 27, discharging pipe; 28, air inlet pipe; 29, air outlet pipe. DETAILED DESCRIPTION

[0021] The exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings.

[0022] EMBODIMENT

[0023] The present embodiment provides an animal feed hot air drying device, referring to Figure 1 , comprising a support 1 and a drying system 2 arranged thereon, and the drying work of animal feed can be completed through the drying system 2. The structure of the drying device (the animal feed hot air drying device described above) will be described in detail below in combination with the drawings.

[0024] In the present embodiment, the support 1 comprises a horizontally arranged bottom plate 11, a vertically arranged support frame 12 is arranged on the upper side of the bottom plate 11, and the drying system 2 is vertically fixed on the support frame 12.

[0025] In the present embodiment, in combination with Figure 2 , as the core technical concept of the present application, in terms of the structure of the drying system 2, it comprises a cylindrical outer cylinder 21 vertically arranged inside the support frame 12 and fixed with the support frame 12, the upper end of the outer cylinder 21 is provided with a feeding pipe 25 and an air outlet pipe 29, the lower end is provided with a discharging pipe 27 and an air inlet pipe 28, the inside of the outer cylinder 21 is further coaxially provided with a cylindrical flow guide body 22, the upper and lower ends of the flow guide body 22 are both conical structures, the air outlet of the air inlet pipe 28 is arranged upwardly opposite to the conical tip of the lower end of the flow guide body 22, and the discharge port of the feeding pipe 25 is arranged downwardly opposite to the conical tip of the upper end of the flow guide body 22.

[0026] On the basis of the above structure, the feed particles to be dried added through the feeding pipe 25 can be shunted into the gap between the flow guide 22 and the inner wall of the outer cylinder 21 under the action of the upper end of the flow guide 22 and fall downward, and the hot air blown in through the air inlet pipe 28 can be shunted into the gap between the flow guide 22 and the inner wall of the outer cylinder 21 under the action of the lower end of the flow guide 22 and flow upward, the heat exchange between the feed particles and the hot air is completed inside the gap, the hot air carrying moisture is carried out from the air outlet pipe 29 through the air outlet pipe 29, and the dried feed particles can be carried out through the discharge pipe 27, completing the drying work. This drying method through the convection of hot air and feed particles ensures that the feed particles can be in full contact with the hot air, thereby ensuring the drying effect of the feed particles. The shunting of the hot air and the feed particles by the flow guide 22 ensures that even when more feed particles enter through the feeding pipe 25, they can still be in full contact with the hot air under the action of shunting, ensuring the drying efficiency of the feed particles.

[0027] As a preferred embodiment, to ensure that the hot air can smoothly exchange heat with the feed particles, thereby ensuring the drying effect, the gap between the outer ring of the middle part of the flow guide 22 and the inner wall of the outer cylinder 21 is 5-10 cm, preferably 7 cm.

[0028] Specifically, the outer cylinder 21 is through from top to bottom, and the top opening is provided with a top cover 24, and the bottom opening is provided with a bottom cover 26, wherein the top cover 24 is provided with a first opening and a second opening, the air outlet pipe 29 is communicated with the first opening, and the discharge end of the feeding pipe 25 passes through the second opening downward and extends into the inner part of the outer cylinder 21; the bottom cover 26 is provided with a third opening and a fourth opening, wherein the discharge pipe 27 is communicated with the third opening, and the air outlet end of the air inlet pipe 28 passes through the fourth opening upward and extends into the inner part of the outer cylinder 21.

[0029] As a further preferred, to ensure the shunting effect of the hot air under the action of the flow guide 22, the vertical height of the air inlet pipe 28 is adjustable, specifically, the support 1 further comprises an adjusting seat 13 arranged on the upper side of the bottom plate 11, the air inlet pipe 28 is vertically arranged through the fourth opening of the bottom cover 26, that is, the air inlet pipe 28 is vertically and slidingly arranged in the fourth opening, and the lower side is connected with the adjusting seat 13, the adjusting seat 13 is arranged to adjust the insertion depth of the air inlet pipe 28 by lifting, thereby adjusting the air inlet height of the air inlet pipe 28.

[0030] Further preferably, to facilitate the dried feed particles to be concentrated and carried out through the discharge pipe 27, the bottom cover 26 is funnel-shaped downward, and the discharge pipe 27 is vertically arranged below the bottom opening of the bottom cover 26, that is, the upper end of the bottom cover 26 is fixed with the lower opening of the outer cylinder 21, the lower end is inclined to one side in a converging shape, and the converging opening is the third opening, and the discharge pipe 27 is vertically arranged below the third opening.

[0031] In order to facilitate the dismounting of the flow guide 22 and prevent displacement of the flow guide 22 under impact, the flow guide 22 is fixed inside the outer cylinder 21 by a plurality of insertion rods 23 not located in the same horizontal plane, and at least two insertion rods 23 are not parallel. Specifically, two insertion rods 23 are provided in the embodiment, and the two insertion rods 23 are perpendicular. Two perpendicular through insertion openings are horizontally provided at different height positions of the flow guide 22. Two corresponding perpendicular matching insertion openings are horizontally provided at different height positions of the outer cylinder 21. The flow guide 22 is fixed in the outer cylinder 21 by the two insertion rods 23. In order to facilitate the insertion and extraction of the insertion rod 23, at least one end of the insertion rod 23 is further provided with a pull ring.

[0032] In the embodiment, as a preferred embodiment, in order to prolong the residence time of hot air in the gap and further ensure the heat exchange effect between hot air and feed particles, a spiral flow guide groove 211 is further provided on the inner wall of the outer cylinder 21.

[0033] As a further preferred, in order to ensure the flow guiding effect of the flow guide groove 211 on hot air and prevent excessive blockage of the flow of hot air, the pitch of the flow guide groove 211 is 1.3-2 times the inner diameter of the outer cylinder 21.

[0034] Further preferably, in order to further ensure the flow guiding effect of the flow guide groove 211 on hot air, so that the flow of hot air can smoothly take away the moisture of the feed particles, a plurality of flow guide grooves 211 are arranged around the circumference of the inner wall of the outer cylinder 21.

Claims

1. An animal feed hot-air drying apparatus, characterized by comprising: The invention relates to a support (1) and a drying system (2) arranged on the support (1). The drying system (2) comprises a vertical outer cylinder (21), the upper end of which is provided with a feeding pipe (25) and an air outlet pipe (29), and the lower end of which is provided with a discharging pipe (27) and an air inlet pipe (28). The outer cylinder (21) is coaxially provided with a columnar flow guide (22) inside, the upper and lower ends of the flow guide (22) are both in the form of a cone, the air outlet of the air inlet pipe (28) is arranged to face the cone tip of the lower end of the flow guide (22) upward, and the discharge port of the feeding pipe (25) is arranged to face the cone tip of the upper end of the flow guide (22) downward.

2. The animal feed hot-air drying apparatus according to claim 1, wherein The gap between the outer circle of the middle part of the flow guide (22) and the inner wall of the outer cylinder (21) is 5-10 cm.

3. The animal feed hot-air drying device according to claim 1, characterized in that, The inner wall of the outer cylinder (21) is further provided with a helical flow guide groove (211).

4. The hot-air drying device for animal feed according to claim 3, wherein The pitch of the flow guide groove (211) is 1.3-2 times the inner diameter of the outer cylinder (21).

5. The animal feed hot-air drying apparatus according to claim 3, wherein The flow guide groove (211) is arranged in multiple lines around the circumference of the inner wall of the outer cylinder (21).

6. The hot-air drying device for animal feed according to any one of claims 1 to 5, characterized in that The vertical height of the air inlet pipe (28) is adjustable.

7. The hot-air drying device for animal feed according to any one of claims 1 to 5, characterized in that The flow guide (22) is fixed inside the outer cylinder (21) by multiple insertion rods (23) which are not located in the same horizontal plane, and at least two insertion rods (23) are not parallel.

8. The hot-air drying device for animal feed according to any one of claims 1 to 5, characterized in that The lower end of the outer cylinder (21) is provided with a bottom cover (26), and the air inlet pipe (28) is arranged vertically through the bottom cover (26). The bottom cover (26) is in the form of a downwardly inclined funnel, and the discharging pipe (27) is vertically arranged on the lower side of the opening at the bottom end of the bottom cover (26).

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