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Air extraction device

A technology of exhaust device and exhaust pipe, which is applied in the direction of smoke removal, separation of dispersed particles, chemical instruments and methods, etc., and can solve the problems of intermittent adjustment and inconvenience

Inactive Publication Date: 2019-02-19
铜陵康达铝合金制品有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The exhaust air flow at the existing air outlet is only adjusted by the exhaust fan or air pump, and the adjustment is intermittent, which is not easy to adapt to the environment with different dust content in the workshop

Method used

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Embodiment Construction

[0021] Such as Figure 1-3 A ventilation device is shown, including a first ventilation pipe 1, a second ventilation pipe 2, and a base 3;

[0022] The second exhaust pipe 2 is rotationally connected with the base 3, and the base 3 is provided with a connecting blind hole. One end connected to the base 3 is sealed, and the second exhaust pipe 2 is liquid-tightly matched with the base 3;

[0023] The base 1 is provided with a ventilation hole 10, an angle α is formed between the ventilation hole 10 and the second exhaust pipe 2, and α=90°; the lower end of the second exhaust pipe 2 extends out of the base 3, and the driving mechanism is used To drive the second exhaust pipe 2 to rotate, the second exhaust pipe 2 has a channel that communicates with the ventilation hole 10 and the second exhaust pipe 2 when it rotates;

[0024] The first exhaust pipe 1 communicates with the ventilation hole 10;

[0025] During the working process of this embodiment, an exhaust fan is arranged...

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Abstract

The invention discloses an air extraction device. The air extraction device comprises a first air extraction pipe, a second air extraction pipe, a base and a driving mechanism; the upper end of the second air extraction pipe is sealed, the second air extraction pipe is rotationally connected with the base and is in hydraulic sealing fit with the base; the base is provided with a ventilation hole,and an included angle alpha is formed between the ventilation hole and the second air extraction pipe and is larger than 0 and smaller than 180 degrees; the driving mechanism is used for driving the second air extraction pipe to rotate, and the second air extraction pipe is provided with a channel enabling the ventilation hole to communicate with the second air extraction pipe in the rotating process; and the first air extraction pipe communicates with the ventilation hole. According to the air extraction device, by rotating the second air extraction pipe, the effective area of the channel changing communicating between the ventilation hole and the second air extraction pipe is achieved, accordingly, the air extraction flow can be changed and continuously adjusted, and the air extraction device can be suitable for workshops different in dust content.

Description

technical field [0001] The invention relates to the technical field of ventilation equipment, in particular to a ventilation device. Background technique [0002] At present, for some factory production workshops, a large amount of dust is often generated during the production process. This kind of dust not only affects the service life of the machinery, but also causes certain harm to the health of the workers in the workshop. For this, it is necessary to use the ventilation device to clean the workshop. The air is extracted and filtered to realize the exchange of air in the workshop. The exhaust air flow at the existing air outlet is only adjusted by the exhaust fan or the air pump, and the adjustment is intermittent, which is inconvenient to adapt to the environment with different dust content in the workshop. Contents of the invention [0003] In order to solve the technical problems existing in the background technology, the present invention proposes a ventilation d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B15/04B01D46/10
CPCB08B15/04B01D46/10
Inventor 胡茂友胡晓菁王建新谢明通
Owner 铜陵康达铝合金制品有限责任公司
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