CN220892277U - Soot blower for flue gas waste heat boiler - Google Patents
Soot blower for flue gas waste heat boiler Download PDFInfo
- Publication number
- CN220892277U CN220892277U CN202322517835.1U CN202322517835U CN220892277U CN 220892277 U CN220892277 U CN 220892277U CN 202322517835 U CN202322517835 U CN 202322517835U CN 220892277 U CN220892277 U CN 220892277U
- Authority
- CN
- China
- Prior art keywords
- pipe
- sleeve
- flue gas
- heat boiler
- waste heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000003546 flue gas Substances 0.000 title claims abstract description 33
- 239000002918 waste heat Substances 0.000 title claims abstract description 33
- 239000004071 soot Substances 0.000 title claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract 2
- 238000007906 compression Methods 0.000 claims abstract 2
- 210000003437 trachea Anatomy 0.000 claims abstract 2
- 238000007664 blowing Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 239000000428 dust Substances 0.000 description 9
- 238000010926 purge Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Incineration Of Waste (AREA)
Abstract
The utility model relates to the technical field of boiler soot blowing, in particular to a soot blowing device for a flue gas waste heat boiler. The technical scheme includes fixed pipe, sleeve pipe, slope venthole and swivelling tube, fixed pipe surface fixed sleeve has cup jointed the sleeve pipe, swivel tube is installed through sealed bearing rotation to fixed pipe one end, swivel tube surface is provided with the slope venthole, one side fixedly connected with compression trachea that the sleeve pipe surface deviates from swivel tube. The utility model can improve the soot blowing of the flue gas waste heat boiler in a large range, eliminate the dead angle of the soot blowing and improve the soot blowing efficiency.
Description
Technical Field
The utility model relates to the technical field of boiler soot blowing, in particular to a soot blowing device for a flue gas waste heat boiler.
Background
In industrial production, various boilers can generate a large amount of high-temperature flue gas in the running process, the high-temperature flue gas is an important heat energy loss of the boilers, the heat energy loss is reduced, and the reasonable utilization of the flue gas waste heat is particularly important for saving energy and reducing production cost. The flue gas waste heat boiler is equipment capable of recovering heat energy in high-temperature flue gas and cooling the high-temperature flue gas, but dust in the high-temperature flue gas can accumulate in the flue gas waste heat boiler in the long-term operation process of the flue gas waste heat boiler, so that the heat exchange efficiency of a heat exchange device in the flue gas waste heat boiler is reduced, and meanwhile, the operation safety of the flue gas waste heat boiler is also influenced, so that the dust in the flue gas waste heat boiler needs to be removed.
In the using process of the existing soot blower of the flue gas waste heat boiler, the range of purging is not comprehensive enough, dead angles exist in purging, and the soot blowing efficiency is reduced.
Disclosure of utility model
The utility model aims to provide a soot blower for a flue gas waste heat boiler, which has the advantages of improving the soot blowing of the interior of the flue gas waste heat boiler in a large range, eliminating the dead angle of blowing and improving the soot blowing efficiency, and solves the problems that the range of blowing is not comprehensive enough, the dead angle of blowing exists and the soot blowing efficiency is reduced in the using process of the conventional soot blower for the flue gas waste heat boiler.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the soot blower for the flue gas waste heat boiler comprises a fixed pipe, a sleeve pipe, an inclined air outlet hole and a rotating pipe, wherein the sleeve pipe is fixedly sleeved on the outer surface of the fixed pipe, the rotating pipe is rotatably installed at one end of the fixed pipe through a sealing bearing, the inclined air outlet hole is arranged on the outer surface of the rotating pipe, and a compressed air pipe is fixedly connected to one side, deviating from the rotating pipe, of the outer surface of the sleeve pipe.
Preferably, a baffle ring is fixedly sleeved on one side, close to the rotating pipe, of the outer surface of the sleeve, and the baffle ring shields the joint surface between the sleeve and the rotating pipe, so that the function of ash blocking is achieved, dust is prevented from entering a gap between the sleeve and the rotating pipe, and the sleeve and the rotating pipe are enabled to be worn greatly.
Preferably, one side of the sleeve pipe, which is close to the rotating pipe, is provided with an annular chute, one side of the rotating pipe, which is close to the sleeve pipe, is provided with an annular protrusion, the annular protrusion is positioned inside the annular chute, and the rotating pipe rotates inside the annular chute in the rotating process, so that the stability of the rotating pipe during rotation can be improved, and meanwhile, compressed gas inside the sleeve pipe is prevented from flowing out of a gap between the sleeve pipe and the rotating pipe.
Preferably, the porous flow equalizing ring is fixedly arranged at one side, close to the rotating pipe, of the inside of the sleeve, so that compressed gas is uniformly distributed in the rotating pipe, and the stability of the rotating pipe during rotation is improved.
Preferably, the stationary tube passes through the rotating tube.
Preferably, the tail end of the fixing pipe is fixedly connected with an exhaust pipe through a connector, and after the accumulated ash in the waste heat boiler is purged, the exhaust pipe pumps the dust out of the waste heat boiler.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, by arranging the fixed pipe, the compressed air pipe, the sleeve, the rotary pipe and the inclined air outlet holes, the effect of improving the soot blowing dead angle and the soot blowing efficiency on a large scale is achieved, the rotary pipe enters the flue gas waste heat boiler, compressed air enters the sleeve from the compressed air pipe and flows into the rotary pipe, and in the process of discharging the compressed air from the inclined air outlet holes, the direction of discharging the air is along the tangential direction of the inner wall of the rotary pipe, so that the rotary pipe is driven to rotate, and meanwhile, the compressed air can blow the waste heat boiler, so that the purging range is improved, and the dead angle is eliminated.
2. The exhaust pipe is arranged, so that the effect of exhausting dust purged in the waste heat boiler is achieved, and the exhaust pipe is used for exhausting the dust from the waste heat boiler after the accumulated dust in the waste heat boiler is purged.
3. According to the utility model, the porous flow equalizing ring is arranged, so that compressed gas can be uniformly distributed in the rotary pipe, and the stability of the rotary pipe during rotation is improved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic diagram of the main sectional structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is a schematic side cross-sectional view of a rotary tube according to the present utility model.
Reference numerals: 1. an exhaust pipe; 2. a connector; 3. a fixed tube; 4. a compressed air pipe; 5. a sleeve; 6. a baffle ring; 7. inclined air outlet holes; 8. a rotating tube; 9. sealing the bearing; 10. an annular chute; 11. an annular protrusion; 12. and a porous flow equalizing ring.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1 to 4, the soot blower for a flue gas waste heat boiler provided by the utility model comprises a fixed pipe 3, a sleeve 5, inclined air outlet holes 7 and a rotary pipe 8, wherein the sleeve 5 is fixedly sleeved on the outer surface of the fixed pipe 3, one end of the fixed pipe 3 is rotatably provided with the rotary pipe 8 through a sealing bearing 9, the inclined air outlet holes 7 are arranged on the outer surface of the rotary pipe 8, the air outlet direction of the inclined air outlet holes 7 is along the tangential direction of the inner wall of the rotary pipe 8, the rotary pipe 8 is driven to rotate in the process of exhausting air from the inclined air outlet holes 7, the inclined air outlet holes 7 are provided with a plurality of inclined air outlet holes 7, the plurality of inclined air outlet holes 7 are uniformly distributed on the outer surface of the rotary pipe 8, one side of the sleeve 5, which deviates from the rotary pipe 8, is fixedly connected with a compressed air pipe 4, compressed air enters the sleeve 5 from the compressed air pipe 4, the fixed pipe 3 passes through the rotary pipe 8, one side of the sleeve 5, which is close to the rotary pipe 8, is provided with an annular chute 10, one side of the rotary pipe 8, which is close to the sleeve 5, is provided with an annular bulge 11, and the annular bulge 11 is positioned inside the annular chute 10, and the rotary pipe 8 rotates in the rotating process, in the annular bulge 11, in the rotating process, the annular bulge 11 rotates inside the annular chute 10, in the annular chute 10, and the rotating process, the annular bulge 11 rotates inside the annular bulge 11, and the rotating inside the annular bulge 8, and the stability can be improved, and the stability when the rotating air can be ensured, and the stability of the air flowing out of the rotary pipe 5 from the inside 5 which can be avoided.
When the flue gas exhaust-heat boiler is used, the rotary pipe 8 enters the flue gas exhaust-heat boiler, compressed gas enters the sleeve 5 from the compressed gas pipe 4 and flows into the rotary pipe 8, and in the process that the compressed gas is discharged from the inclined gas outlet holes 7, the gas discharge direction is along the tangential direction of the inner wall of the rotary pipe 8, so that the rotary pipe 8 can be driven to rotate, and meanwhile, the compressed gas can purge the exhaust-heat boiler, so that the purging range can be increased, and soot blowing dead angles are eliminated.
Example two
As shown in fig. 1 to 4, compared with the first embodiment, the soot blower for the flue gas waste heat boiler provided by the utility model further comprises a baffle ring 6 fixedly sleeved on one side, close to the rotary pipe 8, of the outer surface of the sleeve 5, the baffle ring 6 shields the joint surface between the sleeve 5 and the rotary pipe 8, the function of blocking soot is achieved, dust is prevented from entering a gap between the sleeve 5 and the rotary pipe 8, the sleeve 5 and the rotary pipe 8 are prevented from generating larger abrasion, a porous flow equalizing ring 12 is fixedly arranged on one side, close to the rotary pipe 8, of the sleeve 5, the tail end of the fixed pipe 3 is fixedly connected with an exhaust pipe 1 through a connector 2, the tail end of the exhaust pipe 1 is fixedly connected with an exhaust equipment, and after the soot in the waste heat boiler is purged, the exhaust pipe 1 pumps the dust out of the waste heat boiler.
In this embodiment, the porous flow equalizing ring 12 can make the compressed gas uniformly distributed inside the rotary pipe 8, so as to improve the stability of the rotary pipe 8 during rotation.
The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (6)
1. A soot blower for flue gas exhaust-heat boiler, including fixed pipe (3), sleeve pipe (5), slope venthole (7) and swivelling tube (8), its characterized in that: the fixed pipe (3) external surface fixed sleeve has sheathed in sleeve pipe (5), fixed pipe (3) one end is installed rotatory pipe (8) through sealed bearing (9) rotation, rotatory pipe (8) surface is provided with slope venthole (7), one side fixedly connected with compression trachea (4) that sleeve pipe (5) surface deviates from rotatory pipe (8).
2. A sootblower for a flue gas waste heat boiler as recited in claim 1, wherein: one side of the outer surface of the sleeve (5) close to the rotary pipe (8) is fixedly sleeved with a baffle ring (6).
3. A sootblower for a flue gas waste heat boiler as recited in claim 1, wherein: one side of the sleeve (5) close to the rotary pipe (8) is provided with an annular chute (10), one side of the rotary pipe (8) close to the sleeve (5) is provided with an annular bulge (11), and the annular bulge (11) is positioned inside the annular chute (10).
4. A sootblower for a flue gas waste heat boiler as recited in claim 1, wherein: a porous flow equalizing ring (12) is fixedly arranged at one side, close to the rotary pipe (8), inside the sleeve (5).
5. A sootblower for a flue gas waste heat boiler as recited in claim 1, wherein: the fixed pipe (3) passes through the rotary pipe (8).
6. A sootblower for a flue gas waste heat boiler as recited in claim 1, wherein: the tail end of the fixed pipe (3) is fixedly connected with an exhaust pipe (1) through a connector (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322517835.1U CN220892277U (en) | 2023-09-17 | 2023-09-17 | Soot blower for flue gas waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322517835.1U CN220892277U (en) | 2023-09-17 | 2023-09-17 | Soot blower for flue gas waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220892277U true CN220892277U (en) | 2024-05-03 |
Family
ID=90875876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322517835.1U Active CN220892277U (en) | 2023-09-17 | 2023-09-17 | Soot blower for flue gas waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220892277U (en) |
-
2023
- 2023-09-17 CN CN202322517835.1U patent/CN220892277U/en active Active
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