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High-temperature flue gas purification device

A purification device, a technology for high-temperature flue gas, which can be used in gas treatment, chemical instruments and methods, and the use of liquid separation agents, which can solve problems such as unfavorable mixing and dissolution of smoke and water

Pending Publication Date: 2019-10-22
GUANGXI HONGSHENGYUAN ENVIRONMENTAL PROTECTION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the setting of the above-mentioned acid gas secondary purification chamber is not conducive to fully and completely mixing and dissolving of smoke and water.

Method used

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  • High-temperature flue gas purification device
  • High-temperature flue gas purification device
  • High-temperature flue gas purification device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] See figure 1 , The embodiment of the present invention provides a high-temperature flue gas purification device, which is applied to a cracking furnace 1, and includes a flue gas spray cooling tower 2, a jet mixer 3, a sedimentation tank 4, and an activated carbon adsorption tower 5 connected sequentially through pipelines. The gas outlet of the cracking furnace 1 is connected to the gas inlet of the flue gas spray cooling tower 2; the gas inlet of the jet mixer 3 is connected to the gas outlet of the flue gas spray cooling tower 2, and the water inlet of the jet mixer 3 is connected to the sedimentation tank 4 , the gas-liquid mixing outlet of the jet mixer 3 is connected to the sedimentation tank 4 . The bottom of the sedimentation tank 4 is also provided with a sewage outlet 41 , and the top of the sedimentation tank 4 is provided with an exhaust port 42 for communicating with the activated carbon adsorption tower 5 .

[0031] When the high-temperature flue gas puri...

Embodiment 2

[0042] In this embodiment, except that the connection mode of the inlet and outlet of the flue gas spray cooling tower 2 is different, everything else is the same as the embodiment 1.

[0043] Due to the use of the water circulation in the sedimentation tank 4 to cool down, the water temperature may gradually increase with time, resulting in an unsatisfactory cooling effect on the flue gas. Therefore, in this embodiment, the water inlet of the flue gas spray cooling tower 2 is not connected to the buffer water tank 6, but to domestic water. Because the domestic water temperature is stable at room temperature, it has a good effect on continuous cooling of flue gas.

[0044] In addition, in this embodiment, the water outlet of the flue gas spray cooling tower 2 is not connected to the sedimentation tank 4 . The temperature of the flue gas can be reduced from 900°C to about 200°C due to the flue gas spray cooling tower 2. It can be seen that the domestic water after the flue ga...

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PUM

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Abstract

The invention discloses a high-temperature flue gas purification device, which is applied to a cracking furnace. The high-temperature flue gas purification device comprises a flue gas spray cooling tower, a jet mixer, a sedimentation pool and an activated carbon adsorption tower connected in series through a pipeline, wherein the gas outlet of the cracking furnace is connected with the gas inlet of the flue gas spray cooling tower; the gas inlet of the jet mixer is connected with the outlet of the flue gas spray cooling tower; the water inlet of the jet mixer is connected with the sedimentation pool; the gas-liquid mixed outlet of the jet mixer is also connected with the sedimentation pool; the bottom of the sedimentation pool is further provided with a sewage outlet; and the top of the sedimentation pool is provided with an exhaust port for communicating with the activated carbon adsorption tower. The high-temperature flue gas purification device of the invention adopts the double cooling design of the flue gas spray cooling tower and the jet mixer, so high temperature flue gas is fully cooled; particulate matters, acid gas, heavy metals and organic highly-toxic pollutants are fully mixed with water; the service life of the device is prolonged; and flue gas treatment efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of cracking furnace flue gas treatment, in particular to a high-temperature flue gas purification device. Background technique [0002] The existing high-temperature flue gas purification device only has a single cooling tower, the cooling is insufficient, the purification of toxic and harmful substances is not thorough, and the environment is polluted. [0003] Chinese patent CN208720234U discloses a waste incineration flue gas purification system, including an incinerator, and also includes a pyrolysis chamber, a cooling chamber, an acid gas and heavy metal purification chamber, an acid gas secondary purification chamber, and an industrial computer, wherein the cooling The room is equipped with a first atomizing nozzle, the acid gas and heavy metal purification room is equipped with a jet fan, and a bag filter is also provided between the acid gas and heavy metal purification room and the acid gas secondar...

Claims

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Application Information

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IPC IPC(8): B01D53/02B01D53/04B01D47/06B01D53/78B01D53/50B01D53/56F23J15/06
CPCB01D47/06B01D53/02B01D53/0454B01D53/50B01D53/56B01D53/78B01D2253/102B01D2258/0283B01D2258/0291F23J15/06
Inventor 黄敏白洋冯光兴熊明飞向瑞群李月丹韦永烈谢鹏李伟凌子琨
Owner GUANGXI HONGSHENGYUAN ENVIRONMENTAL PROTECTION CO LTD