Preheating furnace for silicon carbide rod

Abstract

The preheating furnace for the silicon carbide rods comprises a furnace body with the interior of a hollow structure, a plurality of partition plates are evenly fixed in the furnace body in the length direction of the furnace body at intervals, and a plurality of containing grooves used for containing the silicon carbide rods are evenly formed in each partition plate in the width direction of the furnace body at intervals. And a heater is arranged between any two adjacent partition plates on the furnace body. According to the utility model, the plurality of partition plates are uniformly arranged at intervals along the length direction of the furnace body, so that the silicon carbide rods are uniformly stressed in the furnace and are not easy to deform, and one heater is arranged between any two adjacent partition plates on the furnace body, so that the silicon carbide rods can be heated in the furnace, and the service life of the silicon carbide rods is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal glass manufacturing, in particular to a preheating furnace for silicon carbon rods. Background Art

[0002] Silicon carbon rod 3 is an important heating device in the heating furnace for manufacturing liquid crystal glass. Due to the manufacturing process, there are many pores inside and on the surface of silicon carbon rod 3, and water vapor can easily enter silicon carbon rod 3 during daily storage. If the water vapor inside silicon carbon rod 3 is not discharged, when silicon carbon rod 3 is installed in the heating furnace, the water vapor will react with silicon carbon rod 3 at high temperature, and the oxidation reaction will accelerate the aging of silicon carbon rod 3 and shorten the service life of silicon carbon rod 3. Utility Model Content

[0003] In order to solve the technical problems existing in the background technology, the utility model provides a preheating furnace for silicon carbon rods.

[0004] The utility model provides a preheating furnace for silicon carbon rods, comprising: a furnace body with a hollow structure inside, a plurality of partitions are evenly and fixedly arranged inside the furnace body along the length direction of the furnace body, a plurality of placement grooves for placing silicon carbon rods are evenly and spaced apart on each partition along the width direction of the furnace body, and a heater is arranged on the furnace body between any two adjacent partitions.

[0005] Preferably, the placement groove is an arc-shaped groove matching the silicon carbon rod.

[0006] Preferably, each heater comprises a plurality of heating wires arranged uniformly and at intervals along a width direction of the furnace body.

[0007] Preferably, all heaters are connected in parallel.

[0008] Preferably, a temperature sensor is also arranged on the furnace body between any two adjacent partitions.

[0009] Preferably, a temperature controller is also included, and the temperature sensor and the heater are electrically connected to the temperature controller respectively.

[0010] Preferably, the outer wall of the furnace body is provided with heat insulation cotton.

[0011] In the utility model, the preheating furnace for silicon carbon rods proposed by the utility model makes the silicon carbon rods evenly stressed in the furnace and not easy to deform by means of a plurality of partitions evenly and spacedly arranged along the length direction of the furnace body, and a heater is arranged on the furnace body between any two adjacent partitions, so that the silicon carbon rods can be heated in the furnace and the service life of the silicon carbon rods can be extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic structural diagram of a preheating furnace for silicon carbon rods in one embodiment of the present invention. DETAILED DESCRIPTION

[0013] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0014] Reference Figure 1 The utility model proposes a preheating furnace for silicon carbon rods, comprising: a furnace body 1 with a hollow structure inside, a plurality of partitions 2 are evenly and fixedly arranged inside the furnace body 1 along the length direction of the furnace body 1, each partition 2 is evenly and spaced along the width direction of the furnace body 1 and is provided with a plurality of placement grooves for placing silicon carbon rods 3, and a heater is arranged between any two adjacent partitions 2 on the furnace body 1.

[0015] The utility model makes the silicon carbon rod 3 evenly stressed in the furnace and not easy to deform by arranging a plurality of partitions 2 evenly and at intervals along the length direction of the furnace body 1, and a heater is arranged on the furnace body 1 between any two adjacent partitions 2, so that the silicon carbon rod 3 can be heated in the furnace, thereby extending the service life of the silicon carbon rod 3.

[0016] In this embodiment, the placement groove is an arc-shaped groove matching the silicon carbon rod 3 to improve the stability of the placement of the silicon carbon rod 3 .

[0017] In this embodiment, a temperature sensor is further arranged on the furnace body 1 between any two adjacent partitions 2 .

[0018] Of course, in this embodiment, a temperature controller is also included, and the temperature sensor and the heater are electrically connected to the temperature controller respectively, so as to adjust the initial heating rate according to the real-time temperature or initial temperature inside the furnace body 1.

[0019] In one embodiment, all heaters are connected in parallel so as to adjust the heating power according to the temperature at different positions, thereby ensuring a balanced temperature inside the furnace body 1 .

[0020] In another embodiment, all of the heaters are connected in series.

[0021] In this embodiment, the outer wall of the furnace body 1 is provided with heat-insulating cotton to absorb moisture and keep warm.

[0022] In this embodiment, each heater includes a plurality of heating wires uniformly and spaced apart along the width direction of the furnace body 1 , so as to ensure uniform heating and dehumidification of different silicon carbon rod segments between the same partition plates 2 .

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A preheating furnace for silicon carbon rods, characterized in that: include: The furnace body (1) has a hollow structure inside, and a plurality of partitions (2) are evenly and fixedly arranged along the length direction of the furnace body (1) inside the furnace body (1), and each partition (2) is evenly and spaced along the width direction of the furnace body (1) and is provided with a plurality of placement grooves for placing silicon carbon rods (3), and a heater is arranged between any two adjacent partitions (2) on the furnace body (1).

2. The preheating furnace for silicon carbon rods according to claim 1, characterized in that: The placement groove is an arc-shaped groove matching the silicon carbon rod (3).

3. The preheating furnace for silicon carbon rods according to claim 1, characterized in that: Each heater comprises a plurality of heating wires which are arranged evenly and at intervals along the width direction of the furnace body (1).

4. The preheating furnace for silicon carbon rods according to claim 1 or 3, characterized in that: All heaters are connected in parallel.

5. The preheating furnace for silicon carbon rods according to claim 4, characterized in that: A temperature sensor is also arranged on the furnace body (1) between any two adjacent partitions (2).

6. The preheating furnace for silicon carbon rods according to claim 5, characterized in that: It also includes a temperature controller, and the temperature sensor and the heater are electrically connected to the temperature controller respectively.

7. The preheating furnace for silicon carbon rods according to claim 1, characterized in that: The outer wall of the furnace body (1) is provided with heat-insulating cotton.

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