CN216604738U - Flue gas desulfurization and denitrification device - Google Patents
Flue gas desulfurization and denitrification device Download PDFInfo
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- CN216604738U CN216604738U CN202123254366.6U CN202123254366U CN216604738U CN 216604738 U CN216604738 U CN 216604738U CN 202123254366 U CN202123254366 U CN 202123254366U CN 216604738 U CN216604738 U CN 216604738U
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- denitrification
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Abstract
The utility model relates to the technical field of desulfurization and denitrification equipment, in particular to a flue gas desulfurization and denitrification device; the device can pretreat dust in the flue gas, reduce the flue gas from entering a desulfurization and denitrification agent area in a desulfurization and denitrification tower body, improve the desulfurization and denitrification treatment effect of the flue gas, and effectively reduce the adhesion and scaling of the dust in the device; the device comprises a desulfurization and denitrification tower body and a desulfurization and denitrification agent spraying assembly arranged on the desulfurization and denitrification tower body; the device comprises a desulfurization and denitrification tower, and is characterized by further comprising a mounting plate and a plurality of groups of dust pretreatment mechanisms uniformly distributed on the mounting plate, wherein the mounting plate is fixedly mounted at the lower part in the desulfurization and denitrification tower, each dust pretreatment mechanism comprises a middle necking barrel, a fixed impeller, a fixed shaft and a centrifugal impeller, the fixed impeller is fixedly mounted at the bottom of the barrel, the fixed shaft is fixedly mounted at the center of the fixed impeller, the centrifugal impeller is rotatably mounted on the fixed shaft, and the centrifugal impeller is located at the middle necking throat part of the barrel.
Description
Technical Field
The utility model relates to the technical field of desulfurization and denitrification equipment, in particular to a flue gas desulfurization and denitrification device.
Background
As is well known, a flue gas desulfurization and denitrification device is a device for desulfurization and denitrification treatment of flue gas; the existing flue gas desulfurization and denitrification device comprises a desulfurization and denitrification tower body and a desulfurization and denitrification agent spraying assembly arranged on the desulfurization and denitrification tower body; when the existing flue gas desulfurization and denitrification device is used, pressurized flue gas is introduced into a desulfurization and denitrification tower body, a desulfurization and denitrification agent is sprayed into the desulfurization and denitrification tower through a desulfurization and denitrification agent spraying assembly, and desulfurization and denitrification treatment is carried out on the flue gas; the existing flue gas desulfurization and denitration device is found in use, and because of more dust contained in flue gas, the dust enters into the flue gas to influence the contact of desulfurization and denitration agent and flue gas, thereby influencing the desulfurization and denitration treatment result of the flue gas, and the dust is easy to gather at the inner wall of the desulfurization and denitration tower or the spraying component of the desulfurization and denitration agent, increasing the burden of the desulfurization and denitration tower and having certain use limitation.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides the flue gas desulfurization and denitrification device which can pretreat dust in flue gas, reduce the entering of the flue gas into a desulfurization and denitrification agent area in a desulfurization and denitrification tower body, improve the desulfurization and denitrification treatment effect of the flue gas and effectively reduce the adhesion and scaling of the dust in the device.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the device comprises a desulfurization and denitrification tower body and a desulfurization and denitrification agent spraying assembly arranged on the desulfurization and denitrification tower body; still include mounting panel and equipartition multiunit dust pretreatment mechanism on the mounting panel, mounting panel fixed mounting is in this internal lower part of SOx/NOx control tower, dust pretreatment mechanism includes the barrel of middle part throat, decides impeller, fixed axle and centrifugal impeller, decide impeller fixed mounting in the bottom of barrel, fixed axle fixed mounting is in the center department of deciding the impeller, the centrifugal impeller is rotatable to be installed on the fixed axle, centrifugal impeller is located the middle part throat of barrel.
Preferably, a flaring wind collecting part is fixedly arranged at the bottom of the dust pretreatment mechanism.
Preferably, the device also comprises a demister, wherein the demister is fixedly arranged at the upper part in the desulfurization and denitrification tower body, a cold air inlet is arranged on the desulfurization and denitrification tower body, and a drain pipe is arranged on the desulfurization and denitrification tower body; the input end of drain pipe stretches into the bottom in the cavity that the defroster and SOx/NOx control tower body enclose to close and form.
Preferably, a conical cover is fixedly mounted at the top of the centrifugal impeller.
Preferably, a plurality of groups of maintenance manholes are formed in the desulfurization and denitrification tower body from top to bottom.
Preferably, the SOx/NOx control tower body divide into tower body and lower tower body, go up the tower body and pass through the bolt can dismantle the connection with lower tower body, mounting panel fixed mounting is in the linking department of last tower body and lower tower body.
(III) advantageous effects
Compared with the prior art, the utility model provides a flue gas desulfurization and denitrification device, which has the following beneficial effects: the flue gas desulfurization and denitration device has the advantages that the flue gas enters from the bottom of the desulfurization and denitration tower body, the inlet air forms rotational flow under the action of the fixed impeller on the dust pretreatment mechanism, the gas pressure flowing through the throat part of the necking of the barrel is reduced because the middle part of the barrel is in the necking shape, the centrifugal impeller is blown by the flue gas to rotate, under the action of the centrifugal impeller, the flue gas is thrown to the inner wall of the cylinder body, the dust in the flue gas is attached to the inner wall of the cylinder body, the flue gas continuously moves upwards, the desulfurization and denitrification agent sprayed out from the desulfurization and denitrification agent spraying component and the flue gas flow into the cylinder body after desulfurization and denitrification treatment, the dust attached to the inner wall of the cylinder body is flushed to the bottom of the desulfurization and denitrification tower body, can carry out the preliminary treatment to dust in the flue gas, reduce the flue gas and enter into this internal SOx/NOx control agent region of SOx/NOx control tower, improve the SOx/NOx control treatment effect of flue gas, effectively reduce the dust and attach the scale deposit in the device is inside.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the mounting structure of the dust pretreatment mechanism at the mounting plate of the present invention;
FIG. 5 is an enlarged partial view of the structure at A in FIG. 3 according to the present invention
FIG. 6 is a schematic illustration of a demister construction of the present invention;
in the drawings, the reference numbers: 1. a desulfurization and denitrification tower body; 2. a desulfurization and denitrification agent spraying component; 3. mounting a plate; 4. fixing an impeller; 5. a fixed shaft; 6. a centrifugal impeller; 7. a flaring wind collecting part; 8. a demister; 9. an air inlet; 10. a drain pipe; 11. a conical cover; 12. an inspection manhole; 13. and (4) a cylinder body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the flue gas desulfurization and denitrification device of the present invention comprises a desulfurization and denitrification tower body 1 and a desulfurization and denitrification agent spraying assembly 2 mounted on the desulfurization and denitrification tower body 1; the device comprises a desulfurization and denitrification tower body 1, and is characterized by further comprising a mounting plate 3 and a plurality of groups of dust pretreatment mechanisms uniformly distributed on the mounting plate 3, wherein the mounting plate 3 is fixedly arranged at the lower part in the desulfurization and denitrification tower body 1, each dust pretreatment mechanism comprises a middle necking cylinder 13, a fixed impeller 4, a fixed shaft 5 and a centrifugal impeller 6, the fixed impeller 4 is fixedly arranged at the bottom of the cylinder 13, the fixed shaft 5 is fixedly arranged at the center of the fixed impeller 4, the centrifugal impeller 6 is rotatably arranged on the fixed shaft 5, and the centrifugal impeller 6 is positioned at the middle necking throat part of the cylinder 13; flue gas enters from the bottom of the desulfurization and denitrification tower body 1, air inlet forms rotational flow under the action of the fixed impeller 4 on the dust pretreatment mechanism, the middle part of the cylinder 13 is in a necking shape, the air pressure flowing through the throat part of the cylinder 13 is reduced, the flue gas blows the centrifugal impeller 6 to rotate, under the action of the centrifugal impeller 6, the flue gas is thrown to the inner wall of the cylinder body 13, the dust in the flue gas is attached to the inner wall of the cylinder body 13, the flue gas continuously moves upwards, the desulfurization and denitrification agent sprayed out from the desulfurization and denitrification agent spraying component 2 and the flue gas are subjected to desulfurization and denitrification treatment and then flow into the cylinder body 13, the dust attached to the inner wall of the cylinder body 13 is flushed to the bottom of the desulfurization and denitrification tower body 1, can carry out the preliminary treatment to dust in the flue gas, reduce the flue gas and get into the SOx/NOx control agent region to SOx/NOx control tower body 1 in, improve the SOx/NOx control treatment effect of flue gas, effectively reduce the dust and attach the scale deposit in the device is inside.
According to the flue gas desulfurization and denitrification device, the bottom of the dust pretreatment mechanism is fixedly provided with the flaring air collecting part 7; through the arrangement of the flaring air collecting part 7, the smoke can be introduced into the barrel body 13 more smoothly.
The utility model relates to a flue gas desulfurization and denitrification device, which further comprises a demister 8, wherein the demister 8 is fixedly arranged at the upper part in a desulfurization and denitrification tower body 1, a cold air inlet 9 is arranged on the desulfurization and denitrification tower body 1, and a drain pipe 10 is arranged on the desulfurization and denitrification tower body 1; the input end of the drain pipe 10 extends into the bottom in a cavity formed by enclosing the demister 8 and the desulfurization and denitrification tower body 1; flue gas through after handling gets into to defroster 8 in, introduce outside cold air to SOx/NOx control tower body 1 simultaneously, under defroster 8's effect, high temperature flue gas and outside cold air homogeneous mixing, make the flue gas temperature reduce, the steam in the flue gas condenses after meeting the cold to be the drop of water and falls into to defroster 8 and SOx/NOx control tower body 1 and enclose and close the chamber of formation in, discharge this partial condensate water through drain pipe 10, the content of steam in the reducible flue gas, play better flue gas defogging effect.
The utility model relates to a flue gas desulfurization and denitrification device, wherein a conical cover 11 is fixedly arranged at the top of a centrifugal impeller 6; through the setting of conical cover 11, can prevent effectively that the dust from the upper portion gathering of centrifugal impeller 6, be convenient for wash out the dust that falls to conical cover 11 clean.
According to the flue gas desulfurization and denitrification device, a plurality of groups of maintenance manholes 12 are arranged on a desulfurization and denitrification tower body 1 from top to bottom; through overhauing manhole 12, the operating personnel of can being convenient for maintain each position in SOx/NOx control tower body 1 and overhaul.
The utility model relates to a flue gas desulfurization and denitrification device, wherein a desulfurization and denitrification tower body 1 is divided into an upper tower body and a lower tower body, the upper tower body and the lower tower body are detachably connected through bolts, and a mounting plate 3 is fixedly arranged at the joint of the upper tower body and the lower tower body; the accessible will go up the tower body and dismantle with lower tower body, realizes the dismouting to 3 dust pretreatment mechanism of mounting panel, the maintenance in the later stage of being convenient for.
When the device is used, flue gas enters from the bottom of the desulfurization and denitrification tower body 1, inlet air forms a rotational flow under the action of the fixed impeller 4 on the dust pretreatment mechanism, the middle part of the cylinder 13 is in a necking shape, the air pressure flowing through the necking throat part of the cylinder 13 is reduced, the flue gas blows the centrifugal impeller 6 to rotate, the flue gas is thrown to the inner wall of the cylinder 13 under the action of the centrifugal impeller 6, dust in the flue gas is attached to the inner wall of the cylinder 13, the flue gas continuously moves upwards, the desulfurization and denitrification agent sprayed out of the desulfurization and denitrification agent spraying assembly 2 and the flue gas are subjected to desulfurization and denitrification treatment and then flow into the cylinder 13, the dust attached to the inner wall of the cylinder 13 is flushed to the bottom of the desulfurization and denitrification tower body 1, and the dust in the flue gas can be pretreated; through the arrangement of the flaring air collecting part 7, the flue gas can be more smoothly introduced into the barrel body 13; the treated flue gas enters the demister 8, meanwhile, external cold air is introduced into the desulfurization and denitrification tower body 1, under the action of the demister 8, high-temperature flue gas and the external cold air are uniformly mixed, the temperature of the flue gas is reduced, water vapor in the flue gas is condensed into water drops after encountering cold and falls into a cavity formed by the demister 8 and the desulfurization and denitrification tower body 1 in an enclosing manner, and the part of condensed water is discharged through the drain pipe 10, so that the content of the water vapor in the flue gas can be reduced, and a better flue gas demisting effect is achieved; through the arrangement of the conical cover 11, dust can be effectively prevented from gathering from the upper part of the centrifugal impeller 6, and dust falling to the conical cover 11 is convenient to wash clean; through the inspection manhole 12, an operator can conveniently maintain and inspect each part in the desulfurization and denitrification tower body 1; the accessible will go up the tower body and dismantle with tower body down, realize the dismouting to 3 dust pretreatment of mounting panel mechanisms, the maintenance in the later stage of being convenient for
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A flue gas desulfurization and denitrification device comprises a desulfurization and denitrification tower body (1) and a desulfurization and denitrification agent spraying assembly (2) arranged on the desulfurization and denitrification tower body (1); its characterized in that still includes mounting panel (3) and the multiunit dust pretreatment mechanism of equipartition on mounting panel (3), lower part in SOx/NOx control tower body (1) is fixed to mounting panel (3), dust pretreatment mechanism includes barrel (13), fixed impeller (4), fixed axle (5) and centrifugal impeller (6) of middle part throat, fixed impeller (4) fixed mounting is in the bottom of barrel (13), fixed axle (5) fixed mounting is in the center department of fixing impeller (4), centrifugal impeller (6) rotatable the installation on fixed axle (5), centrifugal impeller (6) are located the middle part throat of barrel (13).
2. The flue gas desulfurization and denitrification device according to claim 1, wherein a flared air collecting part (7) is fixedly arranged at the bottom of the dust pretreatment mechanism.
3. The flue gas desulfurization and denitrification device according to claim 2, further comprising a demister (8), wherein the demister (8) is fixedly installed at the upper part inside the desulfurization and denitrification tower body (1), the desulfurization and denitrification tower body (1) is provided with a cold air inlet (9), and the desulfurization and denitrification tower body (1) is provided with a drain pipe (10).
4. The flue gas desulfurization and denitrification device according to claim 3, wherein a conical cover (11) is fixedly mounted on the top of the centrifugal impeller (6).
5. The flue gas desulfurization and denitrification device according to claim 4, wherein the desulfurization and denitrification tower body (1) is provided with a plurality of groups of manholes (12) from top to bottom.
6. The flue gas desulfurization and denitrification device according to claim 5, wherein the desulfurization and denitrification tower body (1) is divided into an upper tower body and a lower tower body, the upper tower body and the lower tower body are detachably connected through bolts, and the mounting plate (3) is fixedly mounted at the joint of the upper tower body and the lower tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123254366.6U CN216604738U (en) | 2021-12-23 | 2021-12-23 | Flue gas desulfurization and denitrification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123254366.6U CN216604738U (en) | 2021-12-23 | 2021-12-23 | Flue gas desulfurization and denitrification device |
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| CN216604738U true CN216604738U (en) | 2022-05-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114849437A (en) * | 2022-05-31 | 2022-08-05 | 李晓伟 | Wet desulphurization and dust removal equipment for thermal power plant boiler |
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2021
- 2021-12-23 CN CN202123254366.6U patent/CN216604738U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114849437A (en) * | 2022-05-31 | 2022-08-05 | 李晓伟 | Wet desulphurization and dust removal equipment for thermal power plant boiler |
| CN114849437B (en) * | 2022-05-31 | 2023-07-25 | 李晓伟 | Wet desulfurization dust collecting equipment for boiler of steam power plant |
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