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Dust explosion demonstration device and method thereof

A technology of dust explosion and demonstration device, which is applied in educational appliances, instruments, teaching models, etc., can solve the problems of intuition, clarity, cumbersome steps, and high risk.

Inactive Publication Date: 2020-06-02
SHANGHAI INST OF TECH
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  • Abstract
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Problems solved by technology

[0003] At present, in actual teaching and work, the existing dust explosion demonstration method is cumbersome and dangerous, and the experimental phenomenon of dust explosion in the ventilation duct of the factory workshop and multiple explosions deposited in the building is not intuitive and clear enough.

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  • Dust explosion demonstration device and method thereof
  • Dust explosion demonstration device and method thereof

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Embodiment Construction

[0018] A dust explosion demonstration device and method proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims.

[0019] see figure 1 and figure 2 , a dust explosion demonstration device, including a transparent box 1, an explosion propagation pipeline 2, and an electrostatic spark generating unit 7; wherein, the explosion transmission pipeline 2 is a transparent material pipeline, and the explosion transmission pipeline 2 further includes a main pipeline 201 and a direction of the main pipeline 201 The first branch pipe 202 and the second branch pipe 203 extending on both sides, the explosion propagation pipe 2 is arranged inside the transparent box body 1, and the partition board 3 is arranged in the transparent box body 1 to fix the explosion propagation pipe 2, and the stat...

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Abstract

The invention discloses a dust explosion demonstration device and a method thereof. The dust explosion demonstration device comprises a transparent box body, an explosion propagation pipeline and an electrostatic spark generation unit, wherein the explosion propagation pipeline is made of a transparent material; the explosion propagation pipeline further comprises a main pipeline, a first branch pipeline and a second branch pipeline, the first branch pipeline and the second branch pipeline extend to two side from the main pipeline, and the explosion propagation pipeline is arranged in the transparent box body; the transparent box body is internally provided with a partition plate to fix the explosion propagation pipeline; the electrostatic spark generation unit is arranged on the main pipeline; an inlet of the main pipeline is connected with the transparent box body; an air inlet is formed in the transparent box body; an explosion venting opening is formed in the upper portion of the transparent box body; and an explosion venting door is arranged on the explosion venting opening. With the device provided by the invention dust explosion in a ventilation pipeline can be visually andclearly simulated and observed, and the device is simple in structure and safe to use.

Description

technical field [0001] The invention belongs to a dust explosion demonstration teaching device, in particular to a dust explosion demonstration device and a method thereof. Background technique [0002] Dust explosion refers to combustible dust within the explosion limit range, encountering a heat source (open flame or high temperature), the flame spreads instantly throughout the entire mixed dust space, the chemical reaction speed is extremely fast, and a large amount of heat is released at the same time, forming a very high temperature and very high temperature. Large pressure, the energy of the system is converted into mechanical energy and radiation of light and heat, which has a strong destructive force. [0003] At present, in actual teaching and work, the existing dust explosion demonstration method is cumbersome and dangerous, and it is not intuitive and clear enough for the dust explosion in the ventilation duct of the factory workshop and the multiple explosions in...

Claims

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Application Information

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IPC IPC(8): G09B25/00
CPCG09B25/00
Inventor 张小良王昊博张文连丁东梅
Owner SHANGHAI INST OF TECH
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