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Multi-stage temperature control condensable particle collection device

A particle filter technology, which is applied in the field of multi-level temperature-controlled collection of condensable particles, to achieve the effect of accurate measurement

Active Publication Date: 2018-11-23
NANJING NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although 1% of the remaining amount does not seem to be much, but in ultra-low emissions, it is comparable to 10mg / m 3 Compared with the smoke and dust, this part of the miscalculated CPM is particularly prominent

Method used

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  • Multi-stage temperature control condensable particle collection device

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Embodiment

[0025] Such as figure 1 As shown, a multi-stage temperature control device for collecting condensable particulate matter includes a multifunctional sampling structure 1 connected in sequence through a silicone tube, a sampling gun 2 with a heating belt, a serpentine condenser tube 3, a first shock bottle 4, a second Two impact bottles 5, condensable particulate matter filter devices 6 and sampling pumps 7; a first temperature sensor 8 is arranged in the serpentine condenser pipe 3 for measuring the first condensation temperature of the flue gas, and the second impact bottle 5 is provided with a first temperature sensor 8 The second temperature sensor 9 is used to monitor the second condensation temperature of the flue gas. The multifunctional sampling structure 1 is a filter cartridge structure or a filter membrane clip structure, and the corresponding structure can be selected according to the different dust content of the sampling point. In small cases, the multi-functional...

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Abstract

The invention discloses a multi-stage temperature control condensable particle collection device, which comprises a multifunctional sampling structure, a sampling gun, a snake-shaped condensing pipe,a first impact bottle, a second impact bottle, a condensable particle filtering device and a sampling pump in sequential connection, wherein the sampling gun is provided with a heating belt; a first temperature sensor is arranged in the snake-shaped condensing pipe; a second temperature sensor is arranged in the second impact bottle. The multi-stage temperature control condensable particle collection device has the advantages that the fixed pollution source condensable particle CPM collection efficiency can be improved through the multilayer temperature control; the condensable particles CPM in the smoke gas can be more effectively and precisely captured. The device can convert the CPM in the smoke gas into a liquid state or slid state; the mass concentration interference of SO2 dissolvedin water on the mass concentration of the CPM can be eliminated; the CPM precise measurement is achieved.

Description

technical field [0001] The invention belongs to the field of collecting condensable particulate matter (CPM) from fixed pollution sources, and in particular relates to a multi-level temperature control device for collecting condensable particulate matter which improves the efficiency of collecting CPM from fixed pollution sources through multi-layer temperature control. Background technique [0002] Foreign scholars have gradually proposed the concept of condensable particulate matter (CPM) in the study of coal-fired flue gas pollution control technology, and the research hotspots change with the actual situation. In the early 1990s, the United States passed the Clean Air Act, which gradually controlled the emissions of conventional pollutants from coal-fired power plants. However, when the denitrification device is put into operation and SO 2 The increase in the concentration of water-soluble ions brought about by deep removal has gradually attracted the attention of resea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/22G01N5/04G01N15/06
CPCG01N1/2205G01N1/2247G01N5/04G01N15/0618G01N2001/2282
Inventor 杨柳盛重义张斌王康慧麻丁仁尤晓晨
Owner NANJING NORMAL UNIVERSITY