CN215723171U - Central cylinder of circulating fluidized bed boiler separator - Google Patents
Central cylinder of circulating fluidized bed boiler separator Download PDFInfo
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- CN215723171U CN215723171U CN202122018422.XU CN202122018422U CN215723171U CN 215723171 U CN215723171 U CN 215723171U CN 202122018422 U CN202122018422 U CN 202122018422U CN 215723171 U CN215723171 U CN 215723171U
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- cylinder
- fluidized bed
- circulating fluidized
- bed boiler
- boiler separator
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Abstract
The utility model provides a central cylinder of a circulating fluidized bed boiler separator, which relates to the technical field of boiler separators, and comprises a first cylinder, a second cylinder, a third cylinder, a fourth cylinder, a fifth cylinder, a sixth cylinder and a seventh cylinder from top to bottom in sequence; the first barrel is provided with an annular metal plate which is a metal flanging plate and is welded with the first barrel; the two walls of the boiler separator are provided with triangular support frames, and the annular metal plate is placed on the triangular support frames and fastened with the triangular support frames through bolts and nuts; and a rock wool layer is also arranged between the triangular support frame and the annular metal plate. The device has the advantages of small deformation of the cylinder body and long service life of the cylinder body.
Description
Technical Field
The utility model relates to the technical field of boiler separators, in particular to a central cylinder of a circulating fluidized bed boiler separator.
Background
The gas-solid separator of circulating fluidized bed boiler is one of the key parts of boiler and is mainly used for separating a large amount of high-temp. solid material from gas flow and feeding it back to furnace chamber to ensure that the interior of furnace chamber is in fluidized flowing state of high-concentration material and to ensure that the fuel and desulfurizing agent can be circularly combusted for several times so as to create conditions for burning-out medium-grain fuel and obtaining good utilization rate of desulfurizing agent. So that it is possible to achieve the desired combustion efficiency and desulfurization efficiency.
The boiler separator is an important part of the circulating fluidized bed boiler, and the operation state of the boiler separator has great influence on the normal operation of the boiler. The central cylinder is welded and fixed with the conical cylinder section of the boiler separator of the circulating fluidized bed boiler through the rib plate, the central cylinder is greatly expanded by heat under the influence of start-stop expansion and contraction of the boiler and high temperature of the central cylinder part, the conical cylinder section of the boiler separator is less in thermal expansion amount in a heat insulation layer, the central cylinder is continuously extruded and pulled in multiple expansion and contraction changes, expansion stress causes serious deformation of the upper part of the central cylinder, the rib plate is loosened, the central cylinder sinks, and the central cylinder drops off when serious, so that a boiler shutdown accident is caused. Secondly, the central cylinder is welded with the cyclone separator, so that the workload is large, and the central cylinder is difficult to replace; in addition, when the central cylinder deforms, the deformed part needs to be cut off, but the central cylinder is of an integrally formed structure at present, so that the cutting maintenance is relatively complicated. Therefore, a circulating fluidized bed boiler separator central cylinder with simple structure, reasonable design and low cost is lacked at present, the cylinder is spliced by a plurality of sections and is hoisted in the boiler separator, the replacement and the maintenance are convenient, the deformation and the falling off of the central cylinder are avoided, and the separation efficiency of the boiler separator is improved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a novel central cylinder of a circulating fluidized bed boiler separator, which can solve the technical problem in the background art.
The utility model is realized by adopting the following technical scheme: a central cylinder of a separator of a circulating fluidized bed boiler is provided with a first cylinder, a second cylinder, a third cylinder, a fourth cylinder, a fifth cylinder, a sixth cylinder and a seventh cylinder from top to bottom in sequence;
the first barrel is provided with an annular metal plate which is a metal flanging plate and is welded with the first barrel;
the two walls of the boiler separator are provided with triangular support frames, and the annular metal plate is placed on the triangular support frames and fastened with the triangular support frames through bolts and nuts;
and a rock wool layer is also arranged between the triangular support frame and the annular metal plate.
In a preferred embodiment of the present invention, a ceramic layer is further disposed between the triangular support frame and the annular metal plate.
In a preferred embodiment of the utility model, a rectangular accommodating groove is further formed in the triangular support frame, and the extrusion rod extends into the accommodating groove;
the upper part of the extrusion rod is provided with a supporting bedplate, and the lower part of the extrusion rod is provided with a limiting block;
the annular metal plate is placed on the supporting bedplate and is fastened with the supporting bedplate through bolts and nuts;
the spring is placed in the containing groove, and the limiting block presses on the spring.
The preferred embodiment of the utility model is that the upper end and the lower end of each cylinder body are respectively provided with a connecting ring plate, the connecting ring plates are thicker metal plates, and the connecting ring plates are provided with connecting holes;
the cylinders are fastened and connected through bolts and nuts between the connecting ring plates.
A preferred embodiment of the present invention is that a rubber pad is disposed between the connection ring plates.
The preferable embodiment of the utility model is that the third cylinder body is provided with supporting blocks, and a plurality of supporting blocks are uniformly arranged on the outer wall of the third cylinder body;
the annular rubber sealing block is fastened with the supporting block in an adhesive manner;
the annular rubber sealing block is used for sealing the cylinder and the boiler separator body.
In a preferred embodiment of the present invention, the first cylinder is further provided with an ash removal device therein, which comprises a suspension rod, wherein two ends of the suspension rod are fixed to the inner wall of the first cylinder;
be provided with the cylinder in the cylinder storehouse, cylinder piston rod can stretch out the cylinder storehouse, and piston rod end connection has the several horizontal pole, and the both ends of horizontal pole are provided with fan-shaped scraper blade, the contact of fan-shaped scraper blade and the inner wall of barrel for the dust clearance of barrel inner wall.
The utility model has the preferred implementation mode that the piston rod of the air cylinder is sleeved with a dustproof sleeve, and the dustproof sleeve is a telescopic sleeve with two ends respectively connected with the air cylinder bin and the cross rod.
Compared with the prior art, the central cylinder is divided into a plurality of independent cylinders from top to bottom, the cylinders are fastened in a bolt mode, but the joint is provided with the sealing gasket which can be used for sealing and buffering, the problem of deformation of the cylinders can be reduced through the mode, and the service life of the cylinders is prolonged.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is an enlarged partial schematic view of FIG. 1;
FIG. 3 is a schematic view showing the placement of the ash removal device in the apparatus of the present invention.
In the figure: 1. a boiler separator body; 2. a first cylinder; 21. an annular metal plate; 3. a second cylinder; 4. a third cylinder; 5. a support block; 6. a rubber sealing block; 7. a fourth cylinder; 8. a fifth cylinder; 9. a sixth cylinder; 10. a seventh cylinder; 11. a connecting ring plate; 12. a triangular support frame; 121. a containing groove; 13. an extrusion stem; 131. a limiting block; 14. a spring; 15. a support platen; 16. a boom; 17. a cylinder; 171. a cylinder bin; 172. a dust-proof sleeve; 18. a cross bar; 181. a scraper.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The circulating fluidized bed boiler separator central cylinder as shown in fig. 1-3 comprises a first cylinder 2, a second cylinder 3, a third cylinder 4, a fourth cylinder 7, a fifth cylinder 8, a sixth cylinder 9 and a seventh cylinder 10 from top to bottom;
an annular metal plate 21 is arranged on the first cylinder 2, and the annular metal plate 21 is a metal flanging plate and is welded with the first cylinder 2;
the two walls of the boiler separator are provided with triangular support frames 12, and the annular metal plate 21 is placed on the triangular support frames 12 and fastened with the triangular support frames 12 through bolts and nuts;
a rock wool layer is further arranged between the triangular support frame 12 and the annular metal plate 21.
Preferably, a ceramic layer is further disposed between the triangular support frame 12 and the annular metal plate 21.
Preferably, a rectangular accommodating groove 121 is further formed in the triangular support frame 12, and the extrusion rod 13 extends into the accommodating groove 121;
the upper part of the extrusion rod 13 is provided with a supporting bedplate 15, and the lower part of the extrusion rod 13 is provided with a limiting block 131;
the annular metal plate 21 is placed on the support platen 15 and fastened with the support platen 15 by bolts and nuts;
the spring 14 is disposed in the receiving groove 121, and the stopper 131 presses the spring 14.
Preferably, the upper end and the lower end of each cylinder are provided with a connecting ring plate 11, the connecting ring plate 11 is a thicker metal plate, and the connecting ring plate 11 is provided with a connecting hole;
the cylinders are fastened and connected through bolts and nuts between the connecting ring plates 11.
Preferably, a rubber pad is arranged between the connecting ring plates 11.
Preferably, the third cylinder 4 is provided with supporting blocks 5, and the supporting blocks 5 are uniformly arranged on the outer wall of the third cylinder 4;
the annular rubber sealing block 6 and the supporting block 5 are fastened in an adhesive manner;
the annular rubber sealing block 6 is used for sealing the cylinder and the boiler separator body 1.
Preferably, the first cylinder 2 is further provided with a dust removing device inside, the dust removing device comprises a suspender 16, and two ends of the suspender 16 are fixed with the inner wall of the first cylinder 2;
be provided with cylinder 17 in the cylinder storehouse 171, cylinder 17 piston rod can stretch out cylinder storehouse 171, and the piston rod end connection has several horizontal pole 18, and the both ends of horizontal pole 18 are provided with fan-shaped scraper blade 181, fan-shaped scraper blade 181 contacts with the inner wall of barrel for the dust clearance of barrel inner wall.
Preferably, the piston rod of the air cylinder 17 is sleeved with a dustproof sleeve 172, and the dustproof sleeve 172 is a telescopic sleeve with two ends respectively connected with the air cylinder cabin 171 and the cross rod 18.
The implementation principle of the device of the utility model is as follows: the central cylinder of the device is fixed by adopting a multi-section cylinder splicing mode and is divided into seven sections from top to bottom, the seven sections of cylinders except the first section are provided with connecting ring plates 11 at the upper end and the lower end, the connecting ring plates 11 are similar to flange plates, connecting holes are formed in the connecting ring plates 11, rubber pads are arranged between the connecting ring plates 11, and the connecting ring plates 11 are fastened through bolts and nuts.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (8)
1. A circulating fluidized bed boiler separator center tube which is characterized in that: the central cylinder is sequentially a first cylinder body (2), a second cylinder body (3), a third cylinder body (4), a fourth cylinder body (7), a fifth cylinder body (8), a sixth cylinder body (9) and a seventh cylinder body (10) from top to bottom;
an annular metal plate (21) is arranged on the first cylinder (2), and the annular metal plate (21) is a metal flanging plate and is welded with the first cylinder (2);
the two walls of the boiler separator are provided with triangular support frames (12), and the annular metal plate (21) is placed on the triangular support frames (12) and is fastened with the triangular support frames (12) through bolts and nuts;
a rock wool layer is further arranged between the triangular support frame (12) and the annular metal plate (21).
2. The circulating fluidized bed boiler separator center cartridge of claim 1, wherein: a ceramic layer is further arranged between the triangular support frame (12) and the annular metal plate (21).
3. The circulating fluidized bed boiler separator center cartridge of claim 1, wherein: a rectangular containing groove (121) is further formed in the triangular support frame (12), and the extrusion rod (13) extends into the containing groove (121);
the upper part of the extrusion rod (13) is provided with a supporting bedplate (15), and the lower part of the extrusion rod (13) is provided with a limiting block (131);
the annular metal plate (21) is placed on the supporting bedplate (15) and is fastened with the supporting bedplate (15) through bolts and nuts;
a spring (14) is placed in the containing groove (121), and the limiting block (131) presses on the spring (14).
4. The circulating fluidized bed boiler separator center cartridge of claim 1, wherein: the upper end and the lower end of each cylinder body are respectively provided with a connecting ring plate (11), the connecting ring plates (11) are thicker metal plates, and connecting holes are formed in the connecting ring plates (11);
the cylinders are fastened and connected through bolts and nuts between the connecting ring plates (11).
5. The circulating fluidized bed boiler separator center cartridge of claim 4, wherein: and a rubber pad is arranged between the connecting ring plates (11).
6. The circulating fluidized bed boiler separator center cartridge of claim 1, wherein: the third cylinder (4) is provided with supporting blocks (5), and the supporting blocks (5) are uniformly arranged on the outer wall of the third cylinder (4);
the annular rubber sealing block (6) is fastened with the supporting block (5) in an adhesive manner;
the annular rubber sealing block (6) is used for sealing the cylinder and the boiler separator body (1).
7. The circulating fluidized bed boiler separator center cartridge of claim 1, wherein: the first cylinder (2) is internally provided with a dust removing device which comprises a hanging rod (16), and two ends of the hanging rod (16) are fixed with the inner wall of the first cylinder (2);
be provided with cylinder (17) in cylinder storehouse (171), cylinder (17) piston rod can stretch out cylinder storehouse (171), and piston rod end connection has several horizontal pole (18), and the both ends of horizontal pole (18) are provided with fan-shaped scraper blade (181), fan-shaped scraper blade (181) and the inner wall contact of barrel for the dust clearance of barrel inner wall.
8. The circulating fluidized bed boiler separator center cartridge of claim 7, wherein: the dustproof sleeve (172) is sleeved on the piston rod of the air cylinder (17), and the dustproof sleeve (172) is a telescopic sleeve with two ends respectively connected with the air cylinder bin (171) and the cross rod (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122018422.XU CN215723171U (en) | 2021-08-25 | 2021-08-25 | Central cylinder of circulating fluidized bed boiler separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122018422.XU CN215723171U (en) | 2021-08-25 | 2021-08-25 | Central cylinder of circulating fluidized bed boiler separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215723171U true CN215723171U (en) | 2022-02-01 |
Family
ID=80007156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122018422.XU Active CN215723171U (en) | 2021-08-25 | 2021-08-25 | Central cylinder of circulating fluidized bed boiler separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215723171U (en) |
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2021
- 2021-08-25 CN CN202122018422.XU patent/CN215723171U/en active Active
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