Internal circulation drying device for aquatic products

Abstract

The utility model discloses an aquatic product internal circulation drying device which comprises a box body, an air blower and a heater, an inner cavity of the box body is divided into a slow air chamber, a drying chamber and an air inlet chamber through a heat insulation plate and a partition plate, at least two porous vertical plates are arranged in the drying chamber, lateral air holes are formed in the porous vertical plates, and drying trays are arranged between the porous vertical plates at intervals. A left air channel and a right air channel are defined by the porous vertical plates located on the left side and the right side, the box body, the heat insulation plate and the partition plate respectively, the left air channel, the right air channel and the drying chamber are communicated with the air inlet chamber through air inlet holes in the partition plate, the drying chamber is communicated with the air slowing chamber through air outlet holes in the heat insulation plate, and the air blower and the heater are arranged at the top of the box body. An inlet of the blower is connected with the air slowing chamber through an air inlet pipe, an inlet end of the heater is connected with an outlet of the blower, an outlet end of the heater is connected with an air outlet pipe, and the air outlet pipe is connected with the air inlet chamber. The drying device is compact in structure, uniform in heat distribution, high in drying efficiency and uniform in material drying.

Description

Technical Field

[0001] The utility model relates to aquatic product processing equipment, in particular to an aquatic product internal circulation drying device. Background Art

[0002] Drying is a common process in aquatic product processing. Drying can control the moisture content of aquatic products within a reasonable range, making the products drier and more durable in storage, thereby extending the shelf life of the products. The drying device can quickly dry aquatic products, greatly improving production efficiency while also ensuring product quality and safety.

[0003] For example, a Chinese patent application with application publication number CN203884566U and application publication date October 22, 2014 discloses a drying device, in particular a device for drying aquatic products, comprising one or more drying chambers, a blower, and a heating and dehumidifying device. The drying chambers are interconnected through air ducts. The blower is connected to the drying chamber and the heating and dehumidifying device through the air ducts. The other end of the heating and dehumidifying device is also connected to the drying chamber. The drying chamber, the blower, and the heating and dehumidifying device together form a circulating air path. The oven has the following defects: (1) Dry hot air enters the drying chamber from the heating and dehumidifying device and passes through each drying chamber in turn. The temperature of each drying chamber is different, resulting in uneven drying of the materials in each drying chamber, affecting the drying effect; (2) The heat distribution in the drying chamber is uneven, and the material drying speed is inconsistent. Utility Model Content

[0004] The utility model aims to solve the above problems existing in the devices for drying aquatic products in the prior art, and provides an internal circulation drying device for aquatic products with compact structure, uniform heat distribution, high drying efficiency and uniform material drying speed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: the utility model is an internal circulation drying device for aquatic products, comprising a box, a blower and a heater, the inner cavity of the box is divided into a slow air chamber, a drying chamber and an air inlet chamber by a heat insulation board and a partition board arranged in sequence from top to bottom, at least two porous vertical plates are arranged in the drying chamber, lateral air holes are arranged on the porous vertical plates, and a baking tray is arranged between the porous vertical plates from top to bottom, the porous vertical plates on the left and right sides are respectively enclosed with the box, the heat insulation board and the partition board to form a left air duct and a right air duct, the left air duct, the right air duct and the drying chamber are respectively connected to the air inlet chamber through the air inlet holes arranged on the partition board, the drying chamber is connected to the slow air chamber through the air outlet holes arranged on the heat insulation board, the blower and the heater are arranged on the top of the box, the inlet of the blower is connected to the slow air chamber through the air inlet pipe, the inlet end of the heater is connected to the outlet of the blower, the outlet end of the heater is connected to the air outlet pipe, and the air outlet pipe is connected to the air inlet chamber. The utility model optimizes the design of the internal space of the box body, and adopts two air intake modes of bottom air intake and side air intake for the drying chamber through the cooperation of the air intake chamber, the left air duct and the right air duct, which can not only make the hot air evenly pass into the drying chamber, but also make the hot air collide and fully mix in the drying chamber, so that the temperature of the drying chamber is more uniform, thereby improving the uniformity of heat distribution; under the suction of the blower, the air flow can circulate according to the established channel; the baking plate is a conventional structure in the field, and the baking plate is provided with mesh holes; the heater is preferably an electric heating tube heater, and a steam heating or hot oil heating heater can also be used; the slow air chamber plays a buffering and stabilizing role, ensuring the stability of the blower air intake / suction.

[0006] Preferably, the heat insulation board comprises an upper partition and a lower partition, and an insulation layer is provided between the upper partition and the lower partition.

[0007] Preferably, the box body comprises an outer box body and an inner box body, the inner box body is arranged in the outer box body, and an insulation layer is provided between the inner box body and the outer box body.

[0008] Preferably, a protective cover is provided on the top of the box body, the blower and the heater are arranged in the protective cover, the protective cover includes an inner cover body and an outer cover body, and a heat preservation layer is provided between the inner cover body and the outer cover body. The protective cover plays the role of protection, sound insulation and heat insulation to prevent the blower and the heater from being exposed to the outside.

[0009] Preferably, a fresh air duct is connected to the air inlet duct.

[0010] Preferably, the air outlet pipe is connected to a dehumidification pipe.

[0011] Preferably, two sides of the heater are provided with round-square connectors, and the air outlet pipe and the inlet of the blower are respectively connected to the round-square connectors. The round-square connectors not only play the role of connection, but also play the role of air collection (air outlet pipe) and air uniformity (inlet end of the heater).

[0012] Therefore, the utility model has the following beneficial effects:

[0013] (1) It includes a box, a blower and a heater, and adopts an integrated design with a simple and compact overall structure;

[0014] (2) Through the coordination of the air inlet chamber, the left air duct and the right air duct, the drying chamber adopts two air inlet methods: bottom air inlet and side air inlet, which ensures uniform heat distribution, high drying efficiency and uniform material drying speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model.

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0017] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0018] In the figure: box body 1, blower 2, heater 3, insulation board 4, partition board 5, slow air chamber 6, drying chamber 7, air inlet chamber 8, porous vertical board 9, lateral air holes 10, left air duct 11, right air duct 12, air inlet pipe 13, air outlet pipe 14, upper partition board 15, lower partition board 16, insulation layer 17, outer shell 18, inner box body 19, protective cover 20, inner cover body 21, outer cover body 22, fresh air pipe 23, dehumidification pipe 24, round top and square bottom connector 25, baking tray 26, air inlet hole 27, air outlet hole 28, box door 29. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0020] like Figure 1 , Figure 2 The internal circulation drying device for aquatic products shown in the figure comprises a box body 1, a blower 2 and a heater 3. A box door 29 is installed on the front side of the box body. The box body comprises an outer box body 18 and an inner box body 19 (such as Figure 3As shown in the figure, the inner box body is arranged in the outer box body, and the space between the inner box body and the outer box body is filled with a heat preservation layer 17, a protective cover 20 is installed on the top of the box body, and the blower and the heater are installed in the protective cover, and the protective cover includes an inner cover body 21 and an outer cover body 22, and the space between the inner cover body and the outer cover body is filled with a heat preservation layer, and the inner cavity of the box body is divided into a slow air chamber 6, a drying chamber 7 and an air inlet chamber 8 by the heat insulation board 4 and the partition board 5 arranged in sequence from top to bottom, and the heat insulation board includes an upper partition board 15 and a lower partition board 16, and the space between the upper partition board and the lower partition board is filled with a heat preservation layer 17, and three porous vertical plates 9 are fixed in the drying chamber, and lateral air holes 10 are opened on the porous vertical plates, and a baking tray 26 is arranged between the porous vertical plates from top to bottom, located on the left and right sides. The porous vertical plates on the side are respectively enclosed with the box body, the insulation board and the partition board to form the left air duct 11 and the right air duct 12. The left air duct, the right air duct and the drying chamber are respectively connected with the air inlet chamber through the air inlet holes 27 arranged on the partition board, and the drying chamber is connected with the air inlet chamber through the air outlet holes 28 arranged on the insulation board. The inlet of the blower is connected with the slow air chamber through the air inlet pipe 13, and the air inlet pipe is connected with the fresh air pipe 23. The two sides of the heater are installed with round-square connectors 25, the inlet end of the heater is connected with the outlet of the blower through the round-square connector, and the outlet end of the heater is connected with the outlet pipe 14 through the round-square connector, the outlet pipe is connected with the air inlet chamber, and the outlet pipe is connected with the dehumidification pipe 24.

[0021] The operating principle of the utility model is: put the material (aquatic product) on the baking tray, put the baking tray in the drying room, turn on the heater and the blower, the hot air heated by the heater enters the air collecting chamber through the air outlet pipe, enters the drying room, the left air duct and the right air duct through the air collecting chamber, the hot air in the left air duct and the right air duct then enters the drying room laterally and collides and mixes with the hot air from bottom to top in the drying room, exchanges heat with the material in the drying room, enters the slow air chamber under the action of the blower, and is sucked into the blower, and is sent to the heater via the blower for heating and then recirculated.

[0022] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.

Claims

1. An internal circulation drying device for aquatic products, characterized in that: The invention comprises a box body (1), a blower (2) and a heater (3), wherein the inner cavity of the box body is divided into a slow air chamber (6), a drying chamber (7) and an air inlet chamber (8) by a heat insulation plate (4) and a partition plate (5) arranged in sequence from top to bottom, wherein at least two porous vertical plates (9) are arranged in the drying chamber, wherein the porous vertical plates are provided with lateral air holes (10), and a baking tray (26) is arranged between the porous vertical plates from top to bottom, wherein the porous vertical plates on the left and right sides respectively enclose the box body, the heat insulation plate and the partition plate to form a left air duct (1 1) and a right air duct (12), the left air duct, the right air duct and the drying chamber are respectively connected to the air inlet chamber through an air inlet hole (27) arranged on the partition plate, the drying chamber is connected to the slow air chamber through an air outlet hole (28) arranged on the insulation board, the blower and the heater are arranged on the top of the box body, the inlet of the blower is connected to the slow air chamber through an air inlet pipe (13), the inlet end of the heater is connected to the outlet of the blower, the outlet end of the heater is connected to an air outlet pipe (14), and the air outlet pipe is connected to the air inlet chamber.

2. The internal circulation drying device for aquatic products according to claim 1, characterized in that: The heat insulation board comprises an upper partition board (15) and a lower partition board (16), and a heat insulation layer (17) is provided between the upper partition board and the lower partition board.

3. The internal circulation drying device for aquatic products according to claim 1 or 2, characterized in that: The box body comprises an outer box body (18) and an inner box body (19); the inner box body is arranged inside the outer box body, and a heat-insulating layer is arranged between the inner box body and the outer box body.

4. The internal circulation drying device for aquatic products according to claim 1, characterized in that: A protective cover (20) is provided on the top of the box body, the blower and the heater are arranged in the protective cover, the protective cover comprises an inner cover body (21) and an outer cover body (22), and a heat insulation layer is provided between the inner cover body and the outer cover body.

5. The internal circulation drying device for aquatic products according to claim 1, characterized in that: The air inlet pipe is connected to a fresh air pipe (23).

6. The internal circulation drying device for aquatic products according to claim 1, characterized in that: The air outlet pipe is connected to a moisture removal pipe (24).

7. The internal circulation drying device for aquatic products according to claim 1, characterized in that: A round-shaped connecting piece (25) is provided on both sides of the heater, and the air outlet pipe and the inlet of the blower are respectively connected to the round-shaped connecting piece.

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