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Device for receiving and transporting a silicon rod, and method for producing polycrystalline silicon

A technology for polycrystalline silicon rods and silicon rods, which is used in devices for receiving and transporting silicon rods and in the field of polysilicon production, can solve problems such as short rods, pollution, and unreliable transportation, and achieve the effect of increasing work reliability.

Inactive Publication Date: 2016-10-26
WACKER CHEM GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] A problem with this lift vehicle is that rod-shaped, curved, non-circular, oval, very short and extremely thick rods cannot be transported reliably
risk of further contamination

Method used

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  • Device for receiving and transporting a silicon rod, and method for producing polycrystalline silicon
  • Device for receiving and transporting a silicon rod, and method for producing polycrystalline silicon

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0045] figure 1 The device is shown schematically, with a cross carriage 2 fastened to the ceiling 1 of the production hall.

[0046] The horizontal carriage is connected to the lifting cylinder 3 .

[0047] Using said device, the rod 7 is taken and held by means of the gripper segment 5 .

[0048] figure 2 show figure 1 side view.

[0049] Via the articulated arm 6 the frame and clamp segment 5 can be rotated.

[0050] Vertical elements for double automatic latches 4 are provided.

[0051] The invention relates to a device with which silicon rods can be accessed and clamped, transported to another workstation and stored securely there.

[0052] One or more of these processes of handling, transport and storage are necessary before the silicon rods break into pieces.

[0053] The starting point is the deposition of polysilicon by means of CVD on at least one U-shaped carrier heated by direct current to a temperature at which the polysilicon is deposited on the carrier t...

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PUM

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Abstract

The invention relates to an electrically operated device for receiving and transporting a silicon rod (7), which device is mounted to a ceiling of a production hall or to a support column having a pivoting arm, comprising a lifting device having a lifting cylinder (3), and a clamping device for silicon rods that is connected to the lifting cylinder. The clamping device comprises a mounting for attachment to the lifting cylinder, a contact plate having operating elements, a frame having a parallelogram structure and an automatic latch fastened to the contact plate, and a vertical latching element. There are at least two oval gripper segments (5) fastened to the frame, wherein in the closed position of the clamping device, gripper segments and vertical latching element engage, and in the open position, gripper segments and vertical latching element can automatically disengage.

Description

technical field [0001] The invention relates to a device for taking and transporting silicon rods and a method for producing polycrystalline silicon. Background technique [0002] Polycrystalline silicon (abbreviated as polysilicon) is used as a raw material for producing single crystal silicon through the Czochralski method (CZ) or the floating zone purification method (FZ). This single crystal silicon is sliced ​​into wafers and used to manufacture electronic components (chips) in the semiconductor industry after several operations of mechanical, chemical and chemo-mechanical processing. [0003] In particular, however, polycrystalline silicon is increasingly required by crystal pulling or casting methods to produce monocrystalline or polycrystalline silicon, which is used in the production of photovoltaic solar cells. [0004] Polysilicon is usually produced by the Siemens process. In this case, thin silicon rods are heated in a bell-shaped reactor ("Siemens reactor") b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C1/42B66F9/18
CPCB66C1/422B66C1/425B66F9/18C01B33/035B65G47/902B65G47/91
Inventor G·贝格尔S·里斯
Owner WACKER CHEM GMBH