Net-shaped heat dissipation equipment used in roller bed furnace and heat dissipation device used outside roller bed furnace

Abstract

The utility model relates to the technical field of roller bed furnace heat dissipation equipment, in particular to net-shaped heat dissipation equipment used in a roller bed furnace and a heat dissipation device used outside the roller bed furnace. The heat dissipation plate is designed to be of a hollow and net-shaped structure, the heat dissipation area is greatly increased, the net-shaped structure allows more heat to be dissipated out through the surface of the heat dissipation plate, and meanwhile, an internal cavity provides space for flowing of circulating cooling water. Circulating cooling water absorbs heat on the heat dissipation plate and then circulates back to the heat dissipation plate through the cooling system, and therefore effective transfer and heat dissipation of the heat are achieved. The protective gas is mainly used for preventing the high-temperature environment in the furnace from oxidizing or corroding the heat dissipation plate, and meanwhile the heat dissipation efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to roll table furnace heat dissipation equipment technical field, specifically a roll table furnace is in netted heat dissipation equipment and external heat dissipation device. BACKGROUND

[0002] The roll table furnace cooling heat dissipation device is as an important component link in the sintering production process of lithium battery material, and the high efficiency and reliability of its cooling efficiency directly influence the economy of lithium battery material production.

[0003] Under the combination of different cooling medium and cooling heat dissipation device structure, cooling heat conduction efficiency, pipe resistance and the like are different, and therefore the cooling discharge temperature of material has great difference. When the cooling efficiency is low, it directly leads to the extension of production time, and the higher discharge temperature reduces the durability of the rear-end production line equipment and even destroys. Therefore, in order to improve the production economy, it is required to improve the heat conduction efficiency of the cooling device, fully play the role of different cooling medium, and reduce the discharge temperature of material.

[0004] The common cooling heat dissipation device of the roll table furnace in the prior art has the problems of single use condition mode, insufficient heat exchange area, low heat exchange efficiency and the like in the case of installing the cooling device in the partial limited space, and therefore it is urgent to be solved. UTILITY MODEL CONTENTS

[0005] In order to avoid and overcome the technical problems in the prior art, the utility model provides a roll table furnace in netted heat dissipation equipment and external heat dissipation device. The utility model can effectively improve the heat dissipation area, and further improve the heat dissipation efficiency inside the roll table furnace.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A roll table furnace in netted heat dissipation equipment, including hollow and netted heat dissipation plate that can be fixedly installed on the inner wall and top wall of roll table furnace, circulating cooling water flows in the cavity of heat dissipation plate, and the heat dissipation plate is installed with the gas guide part that can blow the protective gas to the heat dissipation plate surface.

[0008] As a further scheme of the utility model: the middle part of heat dissipation plate is provided with mounting hole, the gas guide main pipe that is inserted in the mounting hole and is communicated with the gas pump is included, and the gas pump and the gas tank that stores the protective gas are communicated with each other; the gas outlet end of gas guide main pipe is communicated with multiple gas guide branch pipes, each gas guide branch pipe is sequentially arranged around the gas guide main pipe, and the gas outlet of each gas guide branch pipe is aligned with the mounting hole wall opposite to it.

[0009] As a further scheme of the utility model: the gas inlet hole and gas outlet hole are arranged on the opposite two side edges of heat dissipation plate.

[0010] As a further scheme of the utility model: the heat dissipation plate is in honeycomb plate shape or spider web shape.

[0011] As a further scheme of the utility model: the circulating cooling water is provided by the circulating cooling equipment.

[0012] A kind of external heat dissipation device, the external heat dissipation device applies the net heat dissipation equipment in a roller furnace as described above, including multiple heat dissipation plates immersed in water tank, the air inlet of each heat dissipation plate and the air outlet of roller furnace are communicated with each other, and the air outlet of each heat dissipation plate and the air inlet of roller furnace are communicated with each other;Circulating cooling water is introduced into water tank.

[0013] As a further scheme of the utility model: each heat dissipation plate in water tank is spliced into polygonal cylinder.

[0014] As a further scheme of the utility model: the air outlet of each heat dissipation plate in polygonal cylinder is located at the same side.

[0015] As a further scheme of the utility model: multiple heat dissipation plates are also connected on the diagonal of polygonal cylinder.

[0016] As a further scheme of the utility model: polygonal cylinder is hexagonal.

[0017] Compared with prior art, the utility model has the beneficial effects that:

[0018] 1, heat dissipation plate is designed into hollow and net shape structure, greatly increases the heat dissipation area, net structure allows more heat to be dissipated through the surface of heat dissipation plate, simultaneously, the cavity in the interior provides space for the flow of circulating cooling water.Circulating cooling water is then recycled back to heat dissipation plate after absorbing heat on heat dissipation plate through cooling system, so that effective heat transfer and heat dissipation are realized.The main role of protective gas is to prevent high temperature environment in furnace from causing oxidation or corrosion to heat dissipation plate, and also helps to improve heat dissipation efficiency.

[0019] 2, by blowing protective gas, a protective layer can be formed, reducing the direct contact of heat dissipation plate with high temperature environment in furnace.The blowing of protective gas can also promote the convection heat dissipation on the surface of heat dissipation plate to a certain extent, further improving heat dissipation efficiency.

[0020] 3, heat dissipation plate can be fixedly installed on the inner wall and top wall of roller furnace, ensuring that heat dissipation plate can fully cover the space in furnace, so that more uniform heat dissipation effect is realized.Because heat dissipation plate adopts net design and can be flexibly installed at different positions in furnace, the equipment has strong adaptability and can adapt to roller furnaces of different sizes and shapes.

[0021] 4、In the blocking effect of the installation hole hole wall, the airflow is dispersed to both sides, and under the continuous blowing of the airflow, the airflow flows along the panel surface, improves the contact frequency of hot gas in the roller furnace and the metal heat sink, increases the heat dissipation area, and further improves the heat dissipation efficiency.

[0022] 5、The polygonal cylinder shape splicing increases the contact area with the circulating cooling water, and the internal flow channel of the heat sink prolongs the gas passing time, and the hollow annular greatly increases the heat exchange area, so that good heat exchange efficiency is realized. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure diagram of the internal heat dissipation equipment in the utility model.

[0024] Figure 2 It is the structure diagram of the external heat dissipation device in the utility model.

[0025] In the drawing: 1, heat sink; 11, installation hole; 12, air inlet hole; 13, air outlet hole; 2, air guide part; 21, air guide main pipe; 22, air guide branch pipe; 3, water tank. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] Please refer to Figure 1 The use process of the internal mesh heat dissipation equipment is as follows: the honeycomb-shaped heat sink 1 is fixedly installed on the inner wall and top wall of the roller furnace, and the cooling circulating device is used to circulate and pass in cooling water into each heat sink 1; at the same time, the nitrogen stored in the gas tank is passed into the air guide main pipe 21 by the air pump, and then dispersed to the hole wall of the installation hole 11 by the air guide branch pipe 22. At this time, under the blocking effect of the installation hole 11 hole wall, the airflow is dispersed to both sides, and under the continuous blowing of the airflow, the airflow flows along the heat sink 1 panel surface, improves the contact frequency of hot gas in the roller furnace and the metal heat sink 1, increases the heat dissipation area, and further improves the heat dissipation efficiency.

[0028] In the internal mesh heat dissipation equipment, on the basis of passing in the atmosphere protection, the hollow annular part of the spider web type flow guide heat sink 1 is blown by the gas source, the gas flow rate of the surface is increased, and strong convection heat exchange is realized.

[0029] Please refer to Figure 2The use process of the external heat-dissipating device is as follows: the honeycomb-shaped heat-dissipating plate 1 is combined and installed in the water tank 3 with circulating cooling water, at this time, the water inlet pipeline and the water return pipeline of the circulating cooling water are connected with the cooling medium inlet and outlet of the water tank 3 respectively. The high-temperature atmosphere in the furnace body is extracted by the fan, enters the heat-dissipating plate 1 through the air inlet hole 12, is cooled after being soaked in the circulating cooling water for a certain time, is discharged through the air outlet hole 13 and is re-entered into the furnace body, thereby saving the atmosphere amount and realizing the function of forced convection heat exchange. At this time, the polygonal cylindrical shape splicing increases the contact area with the circulating cooling water, the internal flow channel of the heat-dissipating plate 1 prolongs the gas passing time, the hollow annular greatly increases the heat exchange area, and good heat exchange efficiency is realized.

[0030] The above merely describes a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, and all of them should be covered within the protection scope of the present application.

Claims

1. A mesh heat sink device for use in a roller hearth furnace, characterized by, The heat dissipation plate (1) is hollow and net-shaped and can be fixedly installed on the inner wall and top wall of the roller furnace, circulating cooling water flows in the cavity of the heat dissipation plate (1), and a gas guide part (2) for blowing protective gas to the plate surface of the heat dissipation plate (1) is installed at the heat dissipation plate (1).

2. A mesh heat sink device for use in a roller hearth furnace according to claim 1, wherein A mounting hole (11) is formed in the middle of the heat dissipation plate (1), the gas guide part (2) comprises a gas guide main pipe (21) inserted into the mounting hole (11) and in communication with a gas pump, and the gas pump is in communication with a gas tank storing protective gas; a plurality of gas guide branch pipes (22) are arranged in communication with the gas outlet end of the gas guide main pipe (21), each gas guide branch pipe (22) is arranged in sequence around the gas guide main pipe (21) in the circumferential direction, and the gas outlet of each gas guide branch pipe (22) is aligned with the hole wall of the mounting hole (11) opposite to it.

3. A mesh heat sink device for use in a roller hearth furnace as defined in claim 2, wherein Air inlet holes (12) and air outlet holes (13) are formed in the heat dissipation plate (1), and the air inlet holes (12) and the air outlet holes (13) are arranged on the opposite two side edges of the heat dissipation plate (1), respectively.

4. A mesh heat sink apparatus for use in a roller hearth furnace as defined in claim 3, wherein The heat dissipation plate (1) is in the shape of a honeycomb plate or a spider web.

5. A mesh heat sink apparatus for use in a roller hearth furnace as defined in claim 4, wherein The circulating cooling water is provided by a circulating cooling device.

6. An external heat sink device using a mesh heat sink apparatus in a roller furnace according to any one of claims 1 to 5, characterized by A plurality of heat dissipation plates (1) are immersed in a water tank (3), the air inlet holes (12) of each heat dissipation plate (1) are in communication with the air outlet of the roller furnace, and the air outlet holes (13) of each heat dissipation plate (1) are in communication with the air inlet of the roller furnace; circulating cooling water is introduced into the water tank (3).

7. A heat dissipating device for external use according to claim 6, wherein Each heat dissipation plate (1) in the water tank (3) is spliced into a polygonal cylinder.

8. A heat dissipating device for external use according to claim 7, wherein The air outlet holes (13) of each heat dissipation plate (1) in the polygonal cylinder are located on the same side.

9. A heat dissipating device for external use according to claim 8, wherein A plurality of heat dissipation plates (1) are also connected on the diagonal of the polygonal cylinder.

10. A heat dissipating device for external use according to claim 9, wherein The polygonal cylinder is a hexagon.

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