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Heating plate for spray coating of solar crucible and heating device comprising heating plate

A technology of crucible spraying and heating device, which is applied to devices and coatings for coating liquid on the surface, which can solve problems such as easy failure, low production efficiency, and poor product quality.

Inactive Publication Date: 2012-08-29
苏州工业园区优立涂装机械工程有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] At present, the heating plate used in the industry is only to fix the heating tube or heating wire on the metal plate to achieve heating. The disadvantage of this method is that the heat conduction efficiency is not high, the heating is uneven, and it is prone to failure, resulting in poor product quality and Low production efficiency

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  • Heating plate for spray coating of solar crucible and heating device comprising heating plate
  • Heating plate for spray coating of solar crucible and heating device comprising heating plate
  • Heating plate for spray coating of solar crucible and heating device comprising heating plate

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0024] The invention provides a heating plate for spraying a solar crucible. The heating plate includes a plate body and an electric heating tube arranged in the plate body. Among them, the plate body is composed of a mother plate and a sub-plate made of iron, see figure 2 The structural schematic diagram of the mother board is shown, and there are six grooves 21 in a horizontal straight line evenly arranged on it, and the electric heating tube is placed in the gr...

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Abstract

The invention discloses a heating plate for the spray coating of a solar crucible, which comprises a plate body and a heating material arranged inside the plate body; the plate body is formed by the butt joint of a mother plate block and a son plate block, at least one groove is evenly arranged on the mother plate block, and the heating material is arranged in the groove; and the heating material is covered by the son plate block, and the son plate block is also connected with the mother plate block fixedly. The invention also discloses a heating device for the spray coating of the solar crucible. The device comprises the heating plate, a fixing frame for fixing the heating plate and a supporting base for supporting the fixing frame. By the heating plate for the spray coating of the solar crucible and the heating device, the aims that the heating temperature is average, the durability is high, the service life is long and the product quality and the production efficiency are enhanced can be realized.

Description

technical field [0001] The invention relates to a solar crucible spraying technology, in particular to a heating plate for solar crucible spraying and a heating device thereof. Background technique [0002] The ingot casting of solar polysilicon uses a crucible as a container for containing crystalline silicon ore. Before ingot casting, a layer of silicon nitride needs to be coated on the surface of the crucible as a release medium after the ingot casting is completed. Silicon nitride is in powder form. In order to make it adhere to the surface of the crucible, it is often sprayed with water. During the spraying process, the pot body of the crucible needs to be heated so that the water evaporates, so that the silicon nitride returns to its original powder form and adheres to the surface of the crucible. [0003] see figure 1 As shown, the crucible is a cubic open container, including five surfaces to be heated 11, and the five surfaces to be heated need to be heated during...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C9/14
Inventor 喻大绶
Owner 苏州工业园区优立涂装机械工程有限公司
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