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Mortar feeding device for polycrystalline silicon cutting

A polysilicon and slurry supply technology, which is applied to fine working devices, working accessories, stone processing equipment, etc., and can solve problems such as line marks and inability to overflow.

Inactive Publication Date: 2018-01-16
JIANGSU XINCHAO PV ENERGY DEV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the large sic particles or mortar blocks in the mortar, during the cutting process, the large sic particles are "stuck" between the steel wire and the silicon wafer, and cannot overflow, causing line marks

Method used

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  • Mortar feeding device for polycrystalline silicon cutting
  • Mortar feeding device for polycrystalline silicon cutting
  • Mortar feeding device for polycrystalline silicon cutting

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0024] Such as figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 As shown, a slurry supply device for polysilicon cutting includes a pulping table 1, a first conduit 2, a second conduit 3, a heat exchanger 4, a third conduit 5 and a drainage tube 6; the pulping table 1, the first A conduit 2, a second conduit 3, a heat exchanger 4, a third conduit 5 and a mortar nozzle 6 are sequentially connected to form a mortar pipeline. The mortar passes through the abov...

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Abstract

The invention discloses a mortar feeding device for polycrystalline silicon cutting. The mortar feeding device comprises a mortar preparing platform, a first guide pipe, a second guide pipe, a heat exchanger, a third guide pipe and a drainage pipe; the mortar preparing platform, the first guide pipe, the second guide pipe, the heat exchanger, the third guide pipe and a mortar spraying pipe are sequentially connected with one another to form a mortar pipeline; two mortar outlets are formed in the mortar preparing platform and provided with filtering nets; one mortar outlet is connected with thefirst guide pipe, the other mortar outlet is sequentially connected with a mortar collecting pipe and a first hose, and the first hose is intersected with and communicated with the first guide pipe through a steel wire clamping hoop. According to the mortar feeding device for polycrystalline silicon cutting, filtration is conducted from a source so that large particles can be prevented from entering the mortar pipeline; cutting stirring is conducted at the tail end, so that mortar blocks are prevented from being sprayed out from nozzles. Filtration and cutting stirring are combined in sequence, a double guarantee is achieved, and the problem of marks caused by the large sic particles and the mortar blocks to workpieces in the prior art is solved.

Description

technical field [0001] The invention relates to the field of polysilicon materials, in particular to a slurry supply device for cutting polysilicon. Background technique [0002] Pulp plays a vital role in cutting. When spraying, ensure that each steel wire is supplied with mortar, and the mortar must be uninterrupted and sufficient throughout the cutting process. However, due to the large sic particles or mortar blocks in the mortar, during the cutting process, the large sic particles are "stuck" between the steel wire and the silicon wafer, and cannot overflow, causing line marks. [0003] Therefore, a slurry supply device for polysilicon cutting is needed to solve the above problems. Contents of the invention [0004] Aiming at the defects in the prior art, the present invention provides a slurry supply device for polysilicon cutting that supplies mortar without SIC large particles and mortar blocks. [0005] The technical solution of the present invention is: a slur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28D7/00B28D5/04
Inventor 张靖田晓军姚兴平李素琴张何严磊
Owner JIANGSU XINCHAO PV ENERGY DEV
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