Crystalline silicon ingot heater and using method thereof

A heater and ingot casting technology, which is applied in chemical instruments and methods, crystal growth, single crystal growth, etc., can solve the problems of time-consuming crystal growth and long ingot casting cycle

Pending Publication Date: 2019-03-01
JIANGSU XIEXIN SILICON MATERIAL TECH DEV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a crystalline silicon ingot heater and a method of usi

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  • Crystalline silicon ingot heater and using method thereof
  • Crystalline silicon ingot heater and using method thereof
  • Crystalline silicon ingot heater and using method thereof

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[0028] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0029] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to t...

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Abstract

The invention relates to a crystalline silicon ingot heater which comprises a top heater and a lateral heater. The lateral heater comprises a lateral upper heater and a lateral lower heater, the lateral upper heater and the top heater are serially connected to form a serial connection unit, and the serial connection unit and the lateral lower heater are independently connected with a power source.The lateral heater is divided into two parts, and a part is independently connected with the power source while the other part is serially connected with the top heater, so that respective heating power can be controlled conveniently in the process of crystal growing, the lateral heater can be flexibly controlled to radiate heat to a silicon material, and crystal growing time consumption and ingot period are optimized. The invention further provides a using method of the crystalline silicon ingot heater.

Description

technical field [0001] The invention relates to the field of silicon ingot ingot preparation, in particular to a crystalline silicon ingot heater and a use method thereof. Background technique [0002] The directional crystallization casting polycrystalline silicon ingot process is simple and easy for industrial production, the output is large, and the relative production cost is low, so the casting polycrystalline silicon is the most widely used solar energy material. However, compared with traditional thermal power generation, the cost of solar photovoltaic power generation is still high, so it is still necessary to further optimize the polysilicon ingot casting process to increase production, improve the quality of polysilicon ingots, and improve photoelectric conversion efficiency, thereby reducing the cost of solar power generation. [0003] Directional solidification crystal growth conducts heat downward through the cold and heat exchange block (DSS block), and at the ...

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Application Information

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IPC IPC(8): C30B28/06C30B29/06
CPCC30B28/06C30B29/06
Inventor 王双丽张华利胡动力
Owner JIANGSU XIEXIN SILICON MATERIAL TECH DEV
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