Anti-explosion powder supply device

A powder feeding device and cylinder technology, which is used in measuring devices, instruments, fluid velocity measurement, etc., can solve the problems that uniform particles are not easy and not easy to generate, and can solve the problem of uneven distribution of particles, prevent clogging, and uniform and effective flow rate. and flow effect

Inactive Publication Date: 2009-10-21
INNER MONGOLIA UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such particles are not easy to generate in the low flow rate range of small instruments, and it is not easy to generate a small amount of uniform particles

Method used

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  • Anti-explosion powder supply device
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Embodiment Construction

[0015] Refer to attached figure 1 , the upper port of the cylinder 12 is provided with an inner convex edge 3, and the cylinder 12 below the inner convex edge 3 is provided with an explosion-proof port 4, and the gas collecting hood 6 is placed in the cylinder 12, and the inner convex edge 3 and the gas collecting hood 6 are connected. Two ribs 5 or more are provided on the cylinder body 12 between them, mainly in order to determine according to the volume of the gas and play an explosion-proof measure. The gas collecting hood 6 is fixedly connected with one end of the feed pipe 13, the other end of the feed pipe 13 is provided with an end cover 1, the lower port of the cylinder body 12 is provided with an outer convex edge 9, and the outer convex edge 9 is connected with the base 11, and the air inlet pipe 10 One part is placed in the cylinder body 12, and the other part is placed outside the cylinder body 12. The fluidization pipe 8 arranged obliquely is installed on the air...

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Abstract

The invention relates to an anti-explosion powder supplying device and pertains to the field of flow field testing. The anti-explosion powder supplying device has a cylinder body, the upper port of which is provided with an inner convex edge; an anti-explosion opening is arranged below the inner convex edge; the cylinder body between the inner convex edge and a gas-collecting skirt is provided with at least two ribs; the gas-collecting skirt is fixedly connected with one end of a feed pipe; the feed pipe is provided with a discharge pipe and the other end of the feed pipe is provided with an end cap; the lower port of the cylinder body is provided with an outer convex edge connected with a base; the bottom of the cylinder body is provided with an intake pipe; the intake pipe arranged in the cylinder body is provided with a fluidized pipe; and the top of the intake pipe is provided with a pipe plug. The device can provide required trace particles for a tested flow field evenly in time or put powder particles in a known space evenly, meet air-carrying particles with rather high pressure, ensure the safe running of the air-carrying particles, prevent the blocking of particles caused by cementation and solve the problem that the quality of powder supply is affected by the flowing out of particles in strands, thus improving the precision of the powder supply, being capable of controlling the flow speed and flow quantity of the particles evenly and effectively and ensuring the safe generation of powder supply.

Description

1. Technical field [0001] The patent of the invention relates to an explosion-proof powder supply device, which belongs to the field of flow field testing. 2. Background technology [0002] In the laser measurement research of gas flow, liquid particles or solid particles are generally used as tracer particles. For solid particles, tracer particles can be obtained by atomizing a solution or liquid with suspended solid particles, or vibrating a fine powder of particulate material with air in a fluidized bed. Usually a good particle generator can generate high-quality tracer particles and improve the quality and accuracy of the measurement signal. An ideal particle generator should preferably produce a monodisperse suspension. However, such particles are not easy to generate in the low flow rate range of small instruments, nor is it easy to generate small amounts of uniform particles. 3. Contents of the invention [0003] The object of the present invention is to provide ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P5/20
Inventor 张亚竹武文斐赵增武龚志军黄军
Owner INNER MONGOLIA UNIV OF SCI & TECH
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