Low pressure double flow spray method and system for high temperature fume quenching and tempering and dust processing

A technology of two-fluid spray and high-temperature flue gas, which is applied in the direction of separation methods, chemical instruments and methods, and the use of liquid separation agents, etc., can solve problems that are not involved in flue gas conditioning and cooling, extinguishing high-temperature flue gas sparks, etc., and occupy an area Small area, reduced area, good effect

Inactive Publication Date: 2008-04-30
张锡麟
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] There is also a problem in the above method: how to extinguish the spark in the high temperature flue gas
But it does not involve the change of the basic method of flue gas conditioning and cooling

Method used

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  • Low pressure double flow spray method and system for high temperature fume quenching and tempering and dust processing
  • Low pressure double flow spray method and system for high temperature fume quenching and tempering and dust processing

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Embodiment Construction

[0019] The high-temperature gas enters the spray tower from the furnace chimney, and a low-pressure dual-fluid nozzle is installed on the upper part of the spray tower. Inside the spray tower, the high-temperature dust-laden gas contacts and mixes with the fine water mist ejected from the nozzle. The effect is completely evaporated, the sparks carried in the high-temperature gas are completely extinguished, and the large particles in the dusty gas are directly discharged through the lower part of the spray tower due to the effect of water mist dedusting, and the cooled dusty gas enters the bag filter through the pipe.

[0020] An air equalization chamber is added at the entrance of the bag dust collection to ensure that the water mist and gas are completely mixed and guide the dusty gas, so that the dusty gas enters each dust removal room evenly, and after being purified by the dust removal function of the bag, it passes through the fan. Exhausted into the atmosphere by the chi...

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Abstract

The invention relates to a method for treating the low-pressure dual-flow spray high-temperature smoke modified dust. The method comprises: spraying to treat the high-temperature smoke inside the spray tower; the smoke is feed into the spray tower from the chimney; the spray tower uses low-pressure dual-flow spray to treat the high-temperature smoke; inside the spray tower, the high-temperature dust gas contacts the water frost sprayed by injector to be mixed and eliminate the sparkle in the high-temperature; the large grains of gas are directly discharged at the lower part of spray tower via the dedust function of water frost; the cooled gas via the channels enters into following dedusting process. The invention utilizes low-pressure dual-flow spray, to uniform the frost grain injected by the injector via the compressed air and water; reduces the time of vaporizing the smoke and the area of spray tower. And it has less area, reduced resistance and lower energy consumption.

Description

technical field [0001] The invention relates to a method and a device for treating industrial flue gas, in particular to a method and a system for treating flue gas conditioning and dust by low-pressure double-fluid spraying and high-temperature flue gas. Background technique [0002] With the development of the economy, environmental problems have become increasingly prominent. In order to achieve sustainable development, the state has increased the governance and monitoring of polluting enterprises. For enterprises to produce, their emissions must meet standards. Building materials, metallurgy, electric power and other industries are heavily polluting enterprises, and the waste gas emitted during their production accounts for more than 60% of the total amount of waste gas emitted by polluting enterprises, most of which are high-temperature waste gas. So far, a reasonable and effective solution has not been found for these high-temperature flue gases. [0003] Due to its ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D47/06B01D50/00
Inventor 张锡麟
Owner 张锡麟
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