CN210993674U - Denitration device with ash removal function - Google Patents
Denitration device with ash removal function Download PDFInfo
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- CN210993674U CN210993674U CN201921665835.3U CN201921665835U CN210993674U CN 210993674 U CN210993674 U CN 210993674U CN 201921665835 U CN201921665835 U CN 201921665835U CN 210993674 U CN210993674 U CN 210993674U
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- denitration
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Abstract
The utility model discloses a denitration device with deashing function, it includes denitration reactor and ash removal device, ash removal device includes the air pump, the air duct with blow grey mechanism, air duct intercommunication air pump and soot blower mechanism, blow grey mechanism and be located one side of denitration reactor, the actuating mechanism that the drive blown grey mechanism removed is arranged to one side of denitration reactor, blow grey mechanism along vertical direction or horizontal direction reciprocating motion, blow grey mechanism and include gas distribution pipe and a plurality of nozzle, each nozzle is arranged in gas distribution pipe's side, each nozzle distributes along gas distribution pipe's length direction. The utility model discloses a compressed air blows the ash to denitration reactor in, reduces vibrations, blows the removal of ash mechanism simultaneously, improves the cover face that blows the ash, avoids the dead angle, the utility model discloses rational in infrastructure, the deashing effect is improved, but wide application in flue gas denitration technical field.
Description
Technical Field
The utility model relates to a flue gas denitration technical field, in particular to denitration device with deashing function.
Background
Denitration equipment is mainly used for getting rid of the nitrogen oxide in the flue gas, and the catalyst that commonly uses in denitration equipment can be divided into three: plate type, honeycomb type and corrugated plate type, wherein the honeycomb type catalyst is liable to generate ash deposition bridging after long-term use to cause catalyst clogging. At present, the traditional ash cleaning modes mainly comprise: mechanical vibration, sound wave and steam, wherein the mechanical vibration easily damages the catalyst because of the too big vibration, and the sound wave is big although the clearance area is big, but the clearance dynamics is not enough, and the steam adopts steam as the soot blowing medium, influences catalyst life because of the moisture produces the condensate water in a large number of precipitations in the soot blowing process. Therefore, the prior traditional ash removal modes have defects, and a good ash removal effect cannot be obtained.
SUMMERY OF THE UTILITY MODEL
For solving at least one among the above-mentioned technical problem, improve denitration device's deashing effect, avoid damaging the catalyst, the utility model discloses the technical scheme who adopts as follows:
The utility model provides a denitration device with deashing function, it includes denitration reactor and ash removal device, ash removal device includes air pump, air duct and soot blower mechanism, air duct intercommunication air pump and soot blower mechanism, soot blower mechanism is located one side of denitration reactor, the actuating mechanism that the drive soot blower mechanism removed is arranged to one side of denitration reactor, soot blower mechanism includes distribution pipe and a plurality of nozzle, each nozzle is arranged in distribution pipe's side, each nozzle distributes along distribution pipe's length direction.
Furthermore, the middle part of the air duct is of a spiral structure, and the middle part of the air duct is spirally wound outside the boiler flue gas discharge pipeline.
Further, actuating mechanism includes driving motor, two guide arms and two lead screws, and two guide arms are in the relative parallel arrangement of one side of denitration reactor, and two lead screws are in the relative parallel arrangement of one side of denitration reactor, and the moving member has been arranged respectively at the both ends of gas distribution pipe, and the moving member shaping has screw hole and guide hole.
Furthermore, the driving motor drives the two screw rods to rotate through the toothed belt, and the end parts of the screw rods are provided with toothed belt wheels.
Further, photoelectric sensors are respectively arranged at two ends of the stroke of the soot blowing mechanism, and a triggering part for triggering the photoelectric sensors is arranged on the gas distribution pipe.
Furthermore, a connecting pipe communicated with the air duct is formed on the side surface of the air distribution pipe.
Furthermore, the connecting pipe is communicated with the air duct through a corrugated pipe.
Further, a buffer tank is arranged between the air pump and the air duct.
Further, a valve body is arranged at the outlet end of the air duct.
Further, the soot blowing mechanism reciprocates in the vertical direction or the horizontal direction.
Has the advantages that: the utility model discloses a compressed air blows the ash to denitration reactor in, reduces vibrations, blows the removal of ash mechanism simultaneously, improves the cover face that blows the ash, avoids the dead angle, the utility model discloses rational in infrastructure, the deashing effect is improved, but wide application in flue gas denitration technical field.
Drawings
FIG. 1 is a side view of a denitrification reactor showing a sootblowing mechanism;
FIG. 2 is a left side view of the structure of FIG. 1, with the area of the dashed line indicating the location of the honeycomb catalyst;
FIG. 3 is a schematic view of the structure of the air pump, air duct and buffer tank.
Detailed Description
The present invention will be further described with reference to fig. 1 to 3.
The utility model relates to a denitration device with deashing function, it includes denitration reactor 11 and ash removal device, has arranged the honeycomb formula catalyst in the denitration reactor 11, and the ash removal device is arranged in clearing up the deposition in each hole of honeycomb formula catalyst.
The ash removal device comprises an air pump 12, an air duct 13 and a soot blowing mechanism, wherein the air duct 13 is communicated with the air pump 12 and the soot blowing mechanism, and the soot blowing mechanism blows pressurized gas to each hole, and the pressurized gas is dry gas. The soot blowing mechanism is positioned at one side of the denitration reactor 11, and comprises a gas distribution pipe 14 and a plurality of nozzles, and each nozzle is arranged at the side surface of the gas distribution pipe 14. The nozzles are distributed along the length direction of the gas distribution pipe 14, that is, the soot blowing mechanism blows soot to the denitration reactor 11 through the nozzles arranged in a row.
A buffer tank 20 is arranged between the air pump 12 and the air guide pipe 13, and a valve body is arranged at the outlet end of the air guide pipe 13 and selects an electromagnetic valve.
The middle part of air duct 13 is helical structure, and the middle part of air duct 13 is the heliciform and encircles in boiler flue gas discharging pipeline's outside, and boiler flue gas discharging pipeline will have the flue gas of waste heat and carry to the equipment of selling of taking off. The waste heat through the boiler flue gas heats gas, and the soot blowing with steam improves the cleaning effect, avoids steam to separate out moisture simultaneously again.
And a driving mechanism for driving the soot blowing mechanism to move is arranged at one side of the denitration reactor 11, the soot blowing mechanism reciprocates along the vertical direction or the horizontal direction, and soot is blown to each row or each row of holes in the moving process of the soot blowing mechanism.
The driving mechanism comprises a driving motor, two guide rods 15 and two screw rods 16, wherein the two guide rods 15 are arranged on one side of the denitration reactor 11 in a relatively parallel mode, and the two screw rods 16 are arranged on one side of the denitration reactor 11 in a relatively parallel mode. Moving parts 17 are respectively arranged at two ends of the air distribution pipe 14, the moving parts 17 are formed with nut holes and guide holes, the two guide rods 15 respectively penetrate through the two guide holes, and the two screw rods 16 respectively drive the air distribution pipe 14 to move through the two nut holes.
The driving motor drives the two screw rods 16 to rotate through the toothed belt, the toothed belt wheels 18 are arranged at the end parts of the screw rods 16, and the driving motor drives the two toothed belt wheels 18 to synchronously rotate through the toothed belt, so that the two screw rods 16 are driven to synchronously rotate to enable the air distribution pipe 14 to move.
The side of the air distribution pipe 14 is formed with a connecting pipe 21 communicated with the air duct 13, and the connecting pipe 21 is located in the middle of the air distribution pipe 14 in order to make the air pressure sprayed from each nozzle in the air distribution pipe 14 uniform.
The connecting pipe 21 is communicated with the air duct 13 through a corrugated pipe, and the corrugated pipe has elasticity and flexibility, so that the air distribution pipe 14 is convenient to move.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. Denitration device with deashing function, its characterized in that: including denitration reactor (11) and ash removal device, ash removal device includes air pump (12), air duct (13) and soot blower mechanism, air duct (13) intercommunication air pump (12) and soot blower mechanism, soot blower mechanism is located one side of denitration reactor (11), the actuating mechanism that the drive soot blower mechanism removed is arranged to one side of denitration reactor (11), soot blower mechanism includes distribution pipe (14) and a plurality of nozzle, each nozzle is arranged in the side of distribution pipe (14), the length direction distribution of each nozzle along distribution pipe (14).
2. The denitration device with an ash removal function according to claim 1, characterized in that: the middle part of the air duct (13) is in a spiral structure, and the middle part of the air duct (13) is spirally wound outside the boiler flue gas discharge pipeline.
3. The denitration device with an ash removal function according to claim 1, characterized in that: actuating mechanism includes driving motor, two guide arms (15) and two lead screw (16), and two guide arms (15) are in denitration reactor (11) one side parallel arrangement relatively, and two lead screw (16) are in denitration reactor (11) one side parallel arrangement relatively, and moving member (17) have been arranged respectively at the both ends of gas distribution pipe (14), and moving member (17) shaping has screw hole and guide hole.
4. The denitration device with an ash removal function according to claim 3, characterized in that: the driving motor drives the two screw rods (16) to rotate through the toothed belt, and the end parts of the screw rods (16) are provided with toothed belt wheels (18).
5. The denitration device with an ash removal function according to claim 1 or 3, characterized in that: photoelectric sensors (19) are respectively arranged at two ends of the stroke of the soot blowing mechanism, and a triggering part for triggering the photoelectric sensors (19) is arranged on the air distribution pipe (14).
6. The denitration device with an ash removal function according to claim 1, characterized in that: the side surface of the air distribution pipe (14) is formed with a connecting pipe (21) communicated with the air guide pipe (13).
7. The denitration device with an ash removal function according to claim 6, characterized in that: the connecting pipe (21) is communicated with the air duct (13) through a corrugated pipe.
8. The denitration device with an ash removal function according to claim 1, characterized in that: a buffer tank (20) is arranged between the air pump (12) and the air duct (13).
9. The denitration device with an ash removal function according to claim 1, characterized in that: the outlet end of the air duct (13) is provided with a valve body.
10. The denitration device with an ash removal function according to claim 1, characterized in that: the soot blowing mechanism reciprocates in the vertical direction or the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921665835.3U CN210993674U (en) | 2019-09-30 | 2019-09-30 | Denitration device with ash removal function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921665835.3U CN210993674U (en) | 2019-09-30 | 2019-09-30 | Denitration device with ash removal function |
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| Publication Number | Publication Date |
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| CN210993674U true CN210993674U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921665835.3U Active CN210993674U (en) | 2019-09-30 | 2019-09-30 | Denitration device with ash removal function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112138543A (en) * | 2020-08-21 | 2020-12-29 | 绿联净化技术(东莞)有限公司 | Soot blower for smoke abatement and NOx control of diesel tail gas |
| CN112588109A (en) * | 2020-11-23 | 2021-04-02 | 江苏沐唯特环保科技有限公司 | SCR denitration reactor with soot blower |
-
2019
- 2019-09-30 CN CN201921665835.3U patent/CN210993674U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112138543A (en) * | 2020-08-21 | 2020-12-29 | 绿联净化技术(东莞)有限公司 | Soot blower for smoke abatement and NOx control of diesel tail gas |
| CN112138543B (en) * | 2020-08-21 | 2022-05-10 | 绿联净化技术(东莞)有限公司 | Soot blower for smoke abatement and NOx control of diesel tail gas |
| CN112588109A (en) * | 2020-11-23 | 2021-04-02 | 江苏沐唯特环保科技有限公司 | SCR denitration reactor with soot blower |
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