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Foreign matter eliminating device

A technology of removing device and foreign matter, which is used in solid separation, sorting, and separation of solids from solids by air flow. Effect

Inactive Publication Date: 2002-10-02
JAPAN TOBACCO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the size, shape and weight of the foreign matter contained in the raw tobacco leaves are various. Therefore, it is very difficult to separate all the foreign matter from the tobacco leaves in the same manner by the above-mentioned air supply process.

Method used

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Examples

Experimental program
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Embodiment Construction

[0020] refer to figure 1 , as an example, a schematic description will be given of the structure of a foreign matter removal device applied to a raw material processing step of a cigarette raw material factory.

[0021] exist figure 1 In the raw material processing step shown, the raw tobacco leaf L is first continuously conveyed from the conveyance conveyor 2 to the unfolding conveyor. The distribution of the tobacco leaves L in the following unfolding conveyor belt 4 is extended to the entire width of the main conveyor belt 6, and then the tobacco leaves L are sent to the main conveyor belt 6 as they are. The downstream conveyor belt 8 is arranged below the main conveyor belt 6 and directly in front of the end thereof. The downstream conveyor belt 8 receives the tobacco leaves L continuously delivered from the terminal end of the main conveyor belt 6, and conveys them to an area where the following processing steps are performed.

[0022] Here, the upstream main conveyor ...

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PUM

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Abstract

A foreign object removal device, which detects foreign objects on the upstream conveyor belt by means of a foreign object detector 9 when transferring and conveying raw materials between an upstream conveyor belt 6 and a downstream conveyor belt 8 . When the detected foreign matter falls, the exhaust air flow R is jetted out from the air nozzle row 13 at once, so that the falling direction of the foreign matter is shifted. At this time, the small foreign matter Bs is blown away by the exhaust air flow and sent to the foreign matter receiving box 16 . In addition, large foreign matter BL passes through the exhaust air flow and falls on the bar screen conveyor belt 20 . The bar screen conveyor catches large foreign objects that fall and then discharges them off the conveyor belt.

Description

technical field [0001] The present invention relates to a foreign matter removing device, which has the function of capturing foreign matter mixed in raw materials during the process of conveying raw materials, and then discharging the foreign matters out of the conveying route. Background technique [0002] For example, tobacco leaves, which are raw materials for cigarette products, are sometimes mixed with various foreign substances before they are sent to raw material factories. For this reason, in the raw material processing process of the tobacco leaf raw material factory, as a method for removing foreign matter from the raw tobacco leaves, a method of separating the foreign matter from the raw material by passing all the tobacco leaves through the air supply process is currently used. method. [0003] However, the size, shape and weight of the foreign substances contained in the raw tobacco leaves are various, so it is very difficult to separ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B4/02B07C5/342B07C5/36
CPCB07B4/02B07C5/3425B07C5/362B07C5/367
Inventor 高井芳雄渡辺茂渡辺宽则菅克彦工藤信一
Owner JAPAN TOBACCO INC