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Flue fog drip test method

A test method and droplet technology, applied in measuring devices, using differential pressure to measure fluid velocity, instruments, etc., can solve problems such as large errors and large experimental errors, and achieve the effect of accurate measurement results and simple operation.

Active Publication Date: 2008-05-28
CPI YUANDA ENVIRONMENTAL PROTECTION ENG +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The main problem of this method is that the error is large, because the magnesium ion content in the slurry and smoke droplets is very low, the experimental error is very large, and it needs to be analyzed by sophisticated equipment such as atomic absorption spectroscopy

Method used

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  • Flue fog drip test method
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Experimental program
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Embodiment Construction

[0031] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0032] Please refer to Figure 1, Figure 2, Figure 3, and Figure 4 for the test method of droplets in flue gas, and proceed as follows:

[0033] Step 1, set the droplet sampling system, the droplet sampling system includes a droplet collection device 1, a sampling tube 2, the droplet collection device 1 is cylindrical, consisting of an upper round tube 5, a middle round tube 4, a lower round tube 3 connected components, the two ends of the middle circular tube 4 are closed, and a spiral condenser tube 4a connecting the upper and lower circular tubes 5 and 3 is arranged in the middle, and the upper end of the middle circular tube 4 is covered with a cylindrical filter paper 7, and the upper end of the upper circular tube 4 The upper end of the cylinder 5 is closed and a flue gas output pipe 5a protrudes from it. The lower end of the lower cylinder 3 is sealed, ...

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Abstract

The invention discloses a method for testing droplets in smoke, which comprises firstly, setting a droplets sampling system, secondly, testing and calculating smoke flowing speed through an L-shape pitot tube (11), thirdly, adjusting airflow controlling valve (9a) which is on a vacuum pump of the droplets sampling system according to the testing smoke flowing speed. Droplets density can be calculated according to the quality of the droplets which are collected by a droplets collecting device. The invention adopts a constant velocity aspirating smoke method, the droplets in the smoke are collected by the droplets collecting device, droplet quality can be obtained through weighing weights of the droplets collecting device before and after collecting, and furthermore the droplets density can be obtained through formulas. Compared with a traditional method, the method needs no precise equipment tests as atomic absorption spectrometry, thereby testing data is minimized, the operation is easier, and testing results are more accurate.

Description

technical field [0001] The utility model belongs to a test method in the field of desulfurization, in particular to a test method for droplets in desulfurization flue gas. Background technique [0002] During the operation of the wet desulfurization absorption tower, it is easy to generate "fog" with a particle size of 10-60 microns. The "fog" not only contains water, but also dissolves sulfuric acid, sulfate, SO 2 etc., if not properly resolved, the "fog" entering the chimney will simultaneously release SO 2 Brought into the atmosphere, causing fouling and corrosion of fans, heat exchangers and flues. Therefore, wet desulfurization requires defogging of the absorption tower in terms of technology, and the purified flue gas must be defogged before leaving the absorption tower. The mist eliminator is the main equipment for flue gas demisting, and its demisting effect will directly affect the continuous and reliable operation of each system of FGD. [0003] The working prin...

Claims

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Application Information

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IPC IPC(8): G01N15/06G01N1/22G01N1/20G01P5/16G06F19/00
Inventor 洪燕杜云贵刘清才黄锐尹正明李锋隋建才余宇杨剑王方群赵培超
Owner CPI YUANDA ENVIRONMENTAL PROTECTION ENG
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