CN221035723U - Tail gas pipe convenient to clean for circulating fluidized bed boiler - Google Patents
Tail gas pipe convenient to clean for circulating fluidized bed boiler Download PDFInfo
- Publication number
- CN221035723U CN221035723U CN202322875780.1U CN202322875780U CN221035723U CN 221035723 U CN221035723 U CN 221035723U CN 202322875780 U CN202322875780 U CN 202322875780U CN 221035723 U CN221035723 U CN 221035723U
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- China
- Prior art keywords
- tail gas
- gas pipe
- rod
- pipe body
- wall
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- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 7
- 239000012535 impurity Substances 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 52
- 230000000694 effects Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005524 ceramic coating Methods 0.000 description 2
- 230000010405 clearance mechanism Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model discloses a tail gas pipe convenient to clean for a circulating fluidized bed boiler, which relates to the technical field of pipeline cleaning and comprises a tail gas pipe body, wherein a cleaning mechanism is arranged in the tail gas pipe body, the cleaning mechanism comprises a first rod and a second rod, the outer wall of the second rod is fixedly connected with a plurality of third rods, and the other end of each third rod is fixedly connected with a cleaning brush for cleaning the inner wall of the tail gas pipe body; the motor drives the first rod to rotate, and the second rod drives the cleaning brush to rotate through the third rod by virtue of the meshing motion of the pair of bevel gears, so that the cleaning brush can wipe the inner wall of the tail gas pipe body, the impurities on the inner wall of the tail gas pipe body can be cleaned, and the heat transfer efficiency of the tail gas pipe body can be ensured; and need not artifical clearance, reduced workman's intensity of labour, when clearing up tail gas pipe body inner wall simultaneously, also need not to shut down whole equipment to the normal work of circulating fluidized bed boiler and tail gas dust removal case has been guaranteed.
Description
Technical Field
The utility model relates to the technical field of pipeline cleaning, in particular to a tail gas pipe convenient to clean for a circulating fluidized bed boiler.
Background
The tail gas pipe on the circulating fluidized bed boiler is mainly used for discharging waste gas generated by combustion, and is connected between a boiler furnace and dust removing equipment to guide the waste gas generated by combustion to the dust removing equipment for treatment. Because some organic substances may coke on the inner wall of the tail gas pipe in the combustion process of the boiler, carbon deposition is formed, and the heat transfer efficiency is reduced; and therefore requires cleaning of the inner wall of the exhaust pipe.
In the prior art, the inner wall of the tail gas pipe is scraped and washed by using a brush, a high-pressure water gun and the like manually to remove impurities attached to the pipe wall, but in such a cleaning mode, equipment is required to be stopped on one hand, so that the tail gas treatment efficiency is reduced, and the labor intensity of workers is increased on the other hand; therefore, the utility model provides the tail gas pipe which is convenient to clean and is used for the circulating fluidized bed boiler.
Disclosure of utility model
The technical problems solved by the utility model are as follows: in the prior art, the inner wall of the tail gas pipe is scraped and washed by using a brush, a high-pressure water gun and the like manually generally so as to remove impurities attached to the pipe wall, but in such a cleaning mode, equipment is required to be stopped on one hand, so that the tail gas treatment efficiency is reduced, and the labor intensity of workers is also increased on the other hand.
The utility model can be realized by the following technical scheme: the utility model provides a tail gas pipe convenient to clearance for circulating fluidized bed boiler, includes the tail gas pipe body, the inside clearance mechanism that is provided with of tail gas pipe body, clearance mechanism includes a pole and No. two poles, a pole runs through and rotates the lateral wall of connecting at the tail gas pipe body, and No. one pole passes through motor drive, no. two poles rotate the inside of connecting at the tail gas pipe body, no. one pole and No. two poles mutually perpendicular, and No. one pole and No. two pole between through a pair of bevel gear transmission cooperation; the outer wall rigid coupling of No. two poles has a plurality of No. three poles, every the other end of No. three poles all rigid coupling has the cleaning brush that is used for clearing up tail gas pipe body inner wall.
The utility model further technically improves that: the central point of tail gas pipe body puts and is provided with the casing, the lateral wall symmetry rigid coupling of casing has two connecting rods, and the other end of two connecting rods is fixed at tail gas pipe body inner wall respectively.
The utility model further technically improves that: the tail gas pipe is characterized in that one end of the first rod located in the tail gas pipe body penetrates through and is rotationally connected in the shell, one end of the first rod located in the shell is sleeved with and fixedly connected with a first bevel gear, the second rod penetrates through and is rotationally connected in the shell, one end of the second rod located in the shell is sleeved with and fixedly connected with a second bevel gear, and the first bevel gear and the second bevel gear are in a meshed state.
The utility model further technically improves that: the outer side wall of the tail gas pipe body is fixedly connected with a supporting plate, the motor is fixedly connected to the top of the supporting plate, and an output shaft of the motor is fixedly connected with a first rod.
The utility model further technically improves that: each cleaning brush is fixedly connected with the second rod through the third rods.
The utility model further technically improves that: the inner wall of the tail gas pipe body is fixedly connected with a wear-resistant and corrosion-resistant layer.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the motor drives the first rod to rotate, and the second rod drives the cleaning brush to rotate through the third rod by virtue of the meshing motion of the pair of bevel gears, so that the cleaning brush wipes the inner wall of the tail gas pipe body, the impurities on the inner wall of the tail gas pipe body are cleaned, and the heat transfer efficiency of the tail gas pipe body is ensured; and need not artifical clearance, reduced workman's intensity of labour, when clearing up tail gas pipe body inner wall simultaneously, also need not to shut down whole equipment to the normal work of circulating fluidized bed boiler and tail gas dust removal case has been guaranteed.
2. In the utility model, the wear-resistant and corrosion-resistant layer is fixedly connected on the inner wall of the tail gas pipe body, thereby increasing the corrosion-resistant effect of the tail gas pipe and reducing the wear of the inner wall of the tail gas pipe.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic view of the external structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of a housing according to the present utility model;
Fig. 4 is a schematic view of a circumferential cross-section of an exhaust pipe body according to the present utility model.
In the figure: 1. a tail gas pipe body; 2. a first rod; 3. a second rod; 4. a motor; 5. a third rod; 6. a cleaning brush; 7. a housing; 8. a connecting rod; 9. a first bevel gear; 10. a second bevel gear; 11. and a support plate.
Detailed Description
In order to further describe the technical means and effects adopted by the utility model for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the utility model with reference to the attached drawings and the preferred embodiment.
Referring to fig. 1-4, an exhaust pipe for a circulating fluidized bed boiler, which is convenient to clean, comprises an exhaust pipe body 1, wherein one end of the exhaust pipe body 1 is connected with the circulating fluidized bed boiler, and the other end of the exhaust pipe body is connected with an exhaust treatment box, and a cleaning mechanism is arranged in the exhaust pipe body 1 in order to prevent impurities in the exhaust from forming carbon deposition on the inner wall of the exhaust pipe body 1 and reduce heat transfer efficiency;
The cleaning mechanism comprises a first rod 2 and a second rod 3, wherein the first rod 2 penetrates through and is rotationally connected to the side wall of the tail gas pipe body 1, the first rod 2 is driven by a motor 4, the second rod 3 is rotationally connected to the inside of the tail gas pipe body 1, the first rod 2 and the second rod 3 are mutually perpendicular, and the first rod 2 and the second rod 3 are in transmission fit through a pair of bevel gears; the outer wall of the second rod 3 is fixedly connected with a plurality of third rods 5, and the other end of each third rod 5 is fixedly connected with a cleaning brush 6 for cleaning the inner wall of the tail gas pipe body 1; the specific connection relation between the first rod 2 and the second rod 3 is as follows: a shell 7 is arranged at the central position of the tail gas pipe body 1, two connecting rods 8 are symmetrically and fixedly connected to the side wall of the shell 7, and the other ends of the two connecting rods 8 are respectively fixed on the inner wall of the tail gas pipe body 1; one end of the first rod 2 positioned in the tail gas pipe body 1 penetrates through and is rotationally connected in the shell 7, one end of the first rod 2 positioned in the shell 7 is sleeved with and fixedly connected with a first bevel gear 9, the second rod 3 penetrates through and is rotationally connected with the shell 7, one end of the second rod 3 positioned in the shell 7 is sleeved with and fixedly connected with a second bevel gear 10, and the first bevel gear 9 and the second bevel gear 10 are in a meshed state;
When the cleaning mechanism works, the motor 4 is started, the motor 4 drives the first rod 2 to rotate, the first rod 2 drives the first bevel gear 9 to rotate, the first bevel gear 9 drives the second bevel gear 10 to rotate, the second bevel gear 10 drives the second rod 3 to rotate, the rotating speed of the second rod 3 is reduced through the decelerating effect of the second bevel gear 10, the second rod 3 drives the cleaning brush 6 to rotate through the third rod 5, the bristle side of the cleaning brush 6 wipes the inner wall of the tail gas pipe body 1, cleaning of impurities on the inner wall of the tail gas pipe body 1 is realized, and the heat transfer efficiency of the tail gas pipe body 1 is ensured; and need not artifical clearance, reduced workman's intensity of labour, when clearing up tail gas pipe body 1 inner wall simultaneously also need not to shut down whole equipment to the normal work of circulating fluidized bed boiler and tail gas dust removal case has been guaranteed.
Further, the specific installation mode of the motor 4 is as follows: the lateral wall rigid coupling of tail gas pipe body 1 has backup pad 11, and motor 4 rigid coupling is at the top of backup pad 11, and the output shaft and the No. one pole 2 rigid coupling of motor 4.
In order to increase the stability of the cleaning brushes 6, each cleaning brush 6 is fixedly connected with the second rod 3 through the two third rods 5, so that the stress of one third rod 5 can be reduced, and the phenomenon that the third rod 5 is broken under the condition of one third rod 5 is avoided.
Further, as the exhaust gas may contain acidic substances or high-temperature and high-speed particles, the surface of the exhaust pipe is easy to corrode, so that the pipe wall becomes thin or cracks are generated; in order to increase the corrosion resistance of the tail gas pipe and reduce the abrasion of the inner wall of the tail gas pipe, the inner wall of the tail gas pipe body 1 is fixedly connected with a wear-resistant corrosion-resistant layer which can be a metal ceramic coating;
The cermet coating mainly comprises coatings of aluminum oxide, chromium oxide, zirconium oxide and the like. The thermal spraying metal ceramic coating has the characteristics of good toughness, stable chemical performance at high temperature, corrosion resistance, abrasion resistance, infiltration resistance and the like.
When the tail gas pipe cleaning device is used, the motor 4 is started, the motor 4 drives the first rod 2 to rotate, the first rod 2 drives the first bevel gear 9 to rotate, the first bevel gear 9 drives the second bevel gear 10 to rotate, the second bevel gear 10 drives the second rod 3 to rotate, the rotation speed of the second rod 3 is reduced through the speed reduction effect of the second bevel gear 10, the second rod 3 drives the cleaning brush 6 to rotate through the third rod 5, the brush hair side of the cleaning brush 6 wipes the inner wall of the tail gas pipe body 1, the impurities on the inner wall of the tail gas pipe body 1 are cleaned, and the heat transfer efficiency of the tail gas pipe body 1 is ensured; and need not artifical clearance, reduced workman's intensity of labour, when clearing up tail gas pipe body 1 inner wall simultaneously also need not to shut down whole equipment to the normal work of circulating fluidized bed boiler and tail gas dust removal case has been guaranteed.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present utility model.
Claims (6)
1. The utility model provides a tail gas pipe that circulating fluidized bed boiler was convenient for clear up, includes tail gas pipe body (1), its characterized in that: the tail gas pipe comprises a tail gas pipe body (1), and is characterized in that a cleaning mechanism is arranged inside the tail gas pipe body (1), the cleaning mechanism comprises a first rod (2) and a second rod (3), the first rod (2) penetrates through and is rotationally connected to the side wall of the tail gas pipe body (1), the first rod (2) is driven by a motor (4), the second rod (3) is rotationally connected to the inside of the tail gas pipe body (1), the first rod (2) and the second rod (3) are mutually perpendicular, and the first rod (2) and the second rod (3) are matched through a pair of bevel gears; the outer wall rigid coupling of No. two poles (3) has a plurality of No. three poles (5), every the other end of No. three poles (5) all rigid coupling has cleaning brush (6) that are used for clearing up tail gas pipe body (1) inner wall.
2. The tail gas pipe convenient to clean for the circulating fluidized bed boiler according to claim 1, wherein a shell (7) is arranged at the central position of the tail gas pipe body (1), two connecting rods (8) are symmetrically fixedly connected to the side wall of the shell (7), and the other ends of the two connecting rods (8) are respectively fixed on the inner wall of the tail gas pipe body (1).
3. The tail gas pipe convenient to clean for the circulating fluidized bed boiler according to claim 2, wherein one end of the first rod (2) located in the tail gas pipe body (1) penetrates through and is rotationally connected in the shell (7), one end of the first rod (2) located in the shell (7) is sleeved with and fixedly connected with a first bevel gear (9), the second rod (3) penetrates through and is rotationally connected with the shell (7), one end of the second rod (3) located in the shell (7) is sleeved with and fixedly connected with a second bevel gear (10), and the first bevel gear (9) and the second bevel gear (10) are in an engaged state.
4. The tail gas pipe convenient to clean for the circulating fluidized bed boiler according to claim 1, wherein a supporting plate (11) is fixedly connected to the outer side wall of the tail gas pipe body (1), the motor (4) is fixedly connected to the top of the supporting plate (11), and an output shaft of the motor (4) is fixedly connected with a first rod (2).
5. A tail gas pipe for a circulating fluidized bed boiler, which is convenient to clean, according to claim 1, characterized in that each cleaning brush (6) is fixedly connected with the second rod (3) through two third rods (5).
6. The tail gas pipe convenient to clean for the circulating fluidized bed boiler according to claim 1, wherein the inner wall of the tail gas pipe body (1) is fixedly connected with a wear-resistant and corrosion-resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322875780.1U CN221035723U (en) | 2023-10-24 | 2023-10-24 | Tail gas pipe convenient to clean for circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322875780.1U CN221035723U (en) | 2023-10-24 | 2023-10-24 | Tail gas pipe convenient to clean for circulating fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221035723U true CN221035723U (en) | 2024-05-28 |
Family
ID=91137565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322875780.1U Active CN221035723U (en) | 2023-10-24 | 2023-10-24 | Tail gas pipe convenient to clean for circulating fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221035723U (en) |
-
2023
- 2023-10-24 CN CN202322875780.1U patent/CN221035723U/en active Active
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