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Desulfurization tower flue gas nozzle and desulfurization apparatus

A desulfurization device, desulfurization tower technology, applied in the direction of dispersed particle separation, chemical instruments and methods, separation methods, etc., can solve the problems of full contact of desulfurization liquid, low desulfurization efficiency, short reaction time, etc., to prolong contact time and reaction time , Improve desulfurization efficiency and reduce volume

Inactive Publication Date: 2015-10-21
武金玉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the existing desulfurization device, the flue gas of the boiler is directly passed into the absorption tower through the original flue, and the flue gas stays in the absorption tower for a short time, and cannot fully contact with the desulfurization liquid inside the absorption tower, resulting in a short reaction time , the desulfurization efficiency is low; in order to prolong the reaction time, usually the absorption tower can only be built very high, the volume is very large, and the cost is very high

Method used

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  • Desulfurization tower flue gas nozzle and desulfurization apparatus
  • Desulfurization tower flue gas nozzle and desulfurization apparatus
  • Desulfurization tower flue gas nozzle and desulfurization apparatus

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Experimental program
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Embodiment

[0056] see figure 1 , figure 2 , the embodiment of the present invention provides a desulfurization flue gas nozzle 1, which includes a cylindrical nozzle body 11; a group of nozzle bodies (referred to as the nozzle body 11) are provided around the nozzle body 11 for feeding into it (referred to as the nozzle body 11). The smoke in the nozzle hole 13) forms the nozzle hole 13 of swirling flow; the end of the nozzle hole 13 away from the center of the nozzle body 11 is the smoke inlet 13a; the end of the nozzle hole 13 near the center of the nozzle body 11 is the smoke outlet 13b.

[0057] The flue gas enters the nozzle hole 13 through the flue gas inlet 13a, is sprayed out through the flue gas outlet 13b, forms a swirling flow inside the nozzle body 11, and enters the absorption tower upward through the inner hole 12 of the nozzle body 11, and the desulfurization liquid in the absorption tower Full contact and desulfurization reaction. The nozzle body 11 in this embodiment ...

Embodiment 1

[0059] see figure 1 A group of injection pipes 14 are arranged on the nozzle body 11 , and the inner holes of the injection pipes 14 form injection holes 13 . When the tube wall of the nozzle body 11 is thinner, a jet tube 14 can be set on the tube wall of the nozzle body 11, and the jet tube 14 can be arranged outside the nozzle body 11, can also be arranged inside the nozzle body 11, and can also be inserted in the nozzle body 11. On the nozzle body 11, but the spray pipe 14 and the nozzle body 11 need to be sealed and connected, and the relative positional relationship needs to be fixed, generally by welding or detachable connection. The injection pipes 14 can be arranged vertically or horizontally, and a valve can be set on each injection pipe 14 to adjust the amount of flue gas.

Embodiment 2

[0061] see figure 2 , the nozzle hole 13 is formed in the peripheral wall of the nozzle body 11 . When the pipe wall of the nozzle body 11 is relatively thick, spray holes 13 can be provided in the pipe wall of the nozzle body 11 .

[0062] On the basis of the above embodiments, the nozzle body 11 is arranged horizontally in the absorption tower; the nozzle hole 13 is arranged obliquely downward from the flue gas inlet 13a to the flue gas outlet 13b. It can prevent the reflux in the nozzle hole from the slurry inside the absorption tower.

[0063] A reverse flushing pipe for preventing the nozzle hole 13 from being clogged may also be provided in the nozzle hole 13 . Water flow is passed into the flushing pipe to prevent the backflowing slurry from solidifying and blocking the nozzle hole 13.

[0064] The concrete cross-sectional shape of injection pipe 14 can be circular, square or ellipse etc., and injection pipe 14 can be straight pipe or arc bend pipe is arranged, and ...

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Abstract

The invention provides a desulfurization tower flue gas nozzle and a desulfurization and dust removal apparatus. The desulfurization tower flue gas nozzle comprises a cylindrical nozzle body; the periphery of the nozzle body is provided with a group of spray holes for making flue gas entering the nozzle body form eddy flow; one end of the spray holes away from the center of the nozzle body is a flue gas inlet; and one end of the spray holes close to the center of the nozzle body is a flue gas outlet. Flue gas enters through the flue gas inlet, is ejected through the flue gas outlet, and enters an absorbing tower to form the eddy flow, the pressure of the flue gas is large, the flow of the flue gas is strong, and the flue gas goes through the spray holes and enters in an incircle manner, so the flue gas in the absorbing tower rotates, the contact and reaction time of the flue gas and a desulfurization liquid is prolonged, the contact area is increased, the flue gas power is fully used, the gas flow disturbance in the tower is improved, the desulfurization efficiency is improved, the desulfurization effect is achieved even though the absorbing tower is not high, the size of the absorbing tower is reduced, and the cost is reduced.

Description

technical field [0001] The invention relates to boiler flue gas desulfurization equipment, in particular to a desulfurization device for desulfurization tower flue gas nozzles with small volume. Background technique [0002] In the existing desulfurization device, the flue gas of the boiler is directly passed into the absorption tower through the original flue, and the flue gas stays in the absorption tower for a short time, and cannot fully contact with the desulfurization liquid inside the absorption tower, resulting in a short reaction time , the desulfurization efficiency is low; in order to prolong the reaction time, usually the absorption tower can only be built very high, the volume is very large, and the cost is very high. Contents of the invention [0003] The invention provides a desulfurization tower flue gas nozzle and a desulfurization device, which are used to overcome the defects in the prior art, increase the residence time of the flue gas in the absorption...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/48
Inventor 武金玉
Owner 武金玉
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