CN211526416U - Carbon residue circulating fluidized bed - Google Patents
Carbon residue circulating fluidized bed Download PDFInfo
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- CN211526416U CN211526416U CN202020028407.6U CN202020028407U CN211526416U CN 211526416 U CN211526416 U CN 211526416U CN 202020028407 U CN202020028407 U CN 202020028407U CN 211526416 U CN211526416 U CN 211526416U
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- pipe
- smoke
- fluidized bed
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Abstract
The utility model discloses a carbon residue circulation fluidized bed, including the boiler and with the cigarette tuber pipe of boiler intercommunication, this carbon residue circulation fluidized bed still includes the air feed ware that makes the intraductal air current of cigarette tuber pipe form the turbulent effect, the air feed ware includes the fan and to the air feed ring of the intraductal air feed of cigarette tuber pipe, the fan passes through the pipeline and supplies air to the air feed ring in, the air feed ring includes the casing, form the wind channel between the lateral wall of casing cigarette tuber pipe, the casing sets up on the outer wall of cigarette tuber pipe, be provided with the cushion chamber on the cigarette tuber pipe, the cushion chamber is sunken in the cigarette tuber pipe, and, the cushion chamber communicates with each other with the cigarette tuber pipe, be provided with the cover plate that covers and close the cushion chamber on the inside wall of cigarette tuber pipe, the cover plate rotates to be. In the scheme, the air supply device supplies air to the smoke air pipe, so that the airflow in the smoke air pipe has a certain turbulence effect, the burnout rate of the smoke in the smoke air pipe is improved, the performance of the carbon residue circulating fluidized bed is optimized, and the energy is saved.
Description
Technical Field
The present disclosure relates to a carbon residue recycle sulfidizing bed.
Background
The circulating fluidized bed is the clean coal combustion technology with the highest industrialization degree. The circulating fluidized bed comprises a boiler, the boiler adopts fluidized combustion, and the main structure comprises a combustion chamber and a circulating return furnace.
Circulating fluidized bed boiler among the prior art generally carries out the air feed through heavy-calibre to the stove in four corners and relative both sides in the stove, but adopts this kind of air feed mode to have a great deal of problem, for example, in to furnace ventilation process, because the circulating air volume is big, the high reason of amount of wind velocity, often can lead to the not high burn-off rate of flue gas, the too big technical problem of circulating air dust content.
SUMMERY OF THE UTILITY MODEL
The utility model provides a residual carbon circulating fluidized bed, solved among the prior art not high technical problem of flue gas burn-off rate.
In order to achieve the above object, some embodiments of the present disclosure provide a carbon residue circulating fluidized bed, including a boiler and a flue gas duct communicated with the boiler, the carbon residue circulating fluidized bed further includes a blower for making air flow in the flue gas duct form turbulent flow effect, the blower includes a blower and a blower ring for supplying air to the flue gas duct, the blower supplies air to the blower ring through a pipeline, the blower ring includes a housing, an air duct is formed between the housing and a side wall of the flue gas duct, the housing is disposed on an outer wall of the flue gas duct, a buffer cavity is disposed on the flue gas duct, the buffer cavity is recessed in the flue gas duct, and the buffer cavity is communicated with the flue gas duct, a cover sheet covering the buffer cavity is disposed on an inner side wall of the flue gas duct, the cover sheet is rotatably connected to the side wall of the flue gas duct, and the cover plate covers the buffer cavity under the action of gravity, air holes for communicating the buffer cavity with the air channel are formed in the smoke air pipe, and air flow in the air channel enters the buffer cavity through the air holes and pushes the cover plate to be opened and enter the smoke air pipe.
Preferably, the side wall of the buffer cavity is provided with a pin shaft, the cover plate is rotatably connected to the smoke air pipe through the pin shaft, the cover plate is provided with a connecting lug, the connecting lug is provided with a pin hole, and the pin shaft is fixed on the side wall of the buffer cavity through threads.
The cover plate has good connection stability and flexible rotation, and the performance of the circulating vulcanizing furnace is optimized.
Preferably, the connecting lug is perpendicular to the cover plate, the connecting lug and the cover plate are of an integrated structure, and a rolling bearing is arranged between the pin hole and the pin shaft.
The abrasion of the pin shaft and the connecting lug is slowed down, and the service lives of the pin shaft and the connecting lug are prolonged.
Preferably, the lid includes a surface remote from the buffer chamber, the surface being flush with an inner side wall of the smoke hose.
The scheme can reduce the interference of the cover plate on the air flow in the flue gas duct, and optimizes the performance of the carbon residue circulating fluidized bed.
Preferably, the cover plate is further provided with a limiting block for limiting the rotation angle of the cover plate, the limiting block and the cover plate are of an integral structure, and the limiting block abuts against the inner side wall of the smoke pipe or the limiting block abuts against the side wall of the buffer cavity to limit the rotation angle of the cover plate.
The setting of stopper has injectd the rotation angle of cover plate, has optimized the performance of cover plate.
Preferably, the casing includes a first half and a second half, a sealing ring is disposed between the first half and the second half, the sealing ring is bonded to the first half, and the first half and the second half are fixed together by a bolt.
The housing is easily assembled with the flue pipe. In addition, the shell has good sealing performance, and the performance of the shell is optimized.
Preferably, a sealing gasket for improving the sealing performance of the air duct is arranged between the shell and the smoke air duct, and the sealing gasket is bonded on the shell.
The sealing performance between the shell and the smoke and air pipe is optimized.
Preferably, the smoke pipe is provided with a support rib for supporting the shell, and the support rib and the smoke pipe are of an integrated structure.
The shell and the smoke and air pipe have good connection performance, and the stability of the carbon residue circulating fluidized bed is improved.
Compared with the prior art, this carbon residue circulation fluidized bed of this disclosure, including the boiler and with the cigarette tuber pipe of boiler intercommunication, this carbon residue circulation fluidized bed still includes the air feed ware that makes the intraductal air current of cigarette tuber pipe form the turbulent effect, the air feed ware includes the fan and to the air feed ring of the intraductal air feed of cigarette tuber pipe, the fan passes through the pipeline and supplies air to the air feed ring in, the air feed ring includes the casing, form the wind channel between the lateral wall of casing cigarette tuber pipe, the casing sets up on the outer wall of cigarette tuber pipe, be provided with the cushion chamber on the cigarette tuber pipe, the cushion chamber is sunken in the cigarette tuber pipe, and, the cushion chamber communicates with each other with the cigarette tuber pipe, be provided with the cover plate that covers and closes the cushion chamber on the inside wall of cigarette tuber pipe, the cover plate rotates and. In the scheme, the air supply device supplies air to the smoke air pipe, so that the airflow in the smoke air pipe has a certain turbulence effect, the burnout rate of the smoke in the smoke air pipe is improved, the performance of the carbon residue circulating fluidized bed is optimized, and the energy is saved.
Drawings
The following drawings are merely exemplary, not all drawings of the disclosed embodiments, and other drawings may be obtained by those skilled in the art in light of the disclosed embodiments.
Fig. 1 is a schematic diagram of an embodiment of the present disclosure.
FIG. 2 is an isometric view of one embodiment of a wind collar.
FIG. 3 is an isometric view of one embodiment of the first half.
Detailed Description
The present disclosure is further described below with reference to the accompanying drawings, and the following embodiments are merely exemplary and are not all embodiments of the technical solutions of the present disclosure.
As shown in fig. 1, the carbon residue circulating fluidized bed comprises a boiler and a flue gas duct 1 communicated with the boiler, and further comprises an air supply device 2 for enabling air flow in the flue gas duct 1 to form a turbulent flow effect, wherein the air supply device 2 comprises a fan 3 and an air supply ring 4 for supplying air into the flue gas duct 1, the fan 3 supplies air into the air supply ring 4 through a pipeline 5, the air supply ring 4 comprises a shell 6, an air channel 7 is formed between the shell 6 and the side wall of the flue gas duct 1, the shell 6 is arranged on the outer wall of the flue gas duct 1, a buffer cavity 8 is arranged on the flue gas duct 1, the buffer cavity 8 is recessed in the flue gas duct 1, the buffer cavity 8 is communicated with the flue gas duct 1, a cover plate 9 for covering the buffer cavity 8 is arranged on the inner side wall of the flue gas duct 1, and the cover plate 9 is rotatably connected to the side wall of the flue gas duct 1, and the cover plate 9 covers the buffer cavity 8 under the action of gravity, the flue pipe 1 is provided with an air hole 10 for communicating the buffer cavity 8 with the air duct 7, and air flow in the air duct 7 enters the buffer cavity 8 through the air hole 10 and pushes the cover plate 9 to open and enter the flue pipe 1.
The scheme mainly supplies air into the smoke air pipe 1, so that smoke in the smoke air pipe 1 has a certain turbulence effect, and the burnout rate of the smoke is improved.
In addition, when the setting of cover plate 9 makes and need not be to the interior air feed of flue gas tuber pipe 1, cover plate 9 can cover plate 9 cushion chamber 8, avoids cushion chamber 8 to disturb the air current flow direction in flue gas tuber pipe 1, makes the air current flow direction in flue gas tuber pipe 1 have higher speed to make the incomplete charcoal circulation fluidized bed can adapt to different operating modes, optimized the general performance of incomplete charcoal circulation fluidized bed.
One possible implementation scheme is that a pin shaft 11 is arranged on the side wall of the buffer cavity 8, the cover plate 9 is rotatably connected to the smoke air pipe 1 through the pin shaft 11, a connecting lug 12 is arranged on the cover plate 9, a pin hole is formed in the connecting lug 12, and the pin shaft 11 is fixed to the side wall of the buffer cavity 8 through threads.
Each cover plate 9 is fixed in the buffer cavity 8 through at least two pin shafts 11, and the width of the cover plate 9 is matched with the width of the buffer cavity 8, so that the cover plate 9 can cover the buffer cavity 8.
The buffer cavities 8 are uniformly distributed on the circumference of the smoke air pipe 1, and each buffer cavity 8 is provided with a cover plate 9.
Specifically speaking, when fan 3 did not supply air to cigarette tuber pipe 1, buffer chamber 8 was closed to cover plate 9 utilization self gravity lid, and at this moment, the air current in the cigarette tuber pipe 1 can have higher velocity of flow, because the air current flow direction in the cigarette tuber pipe 1 is along cigarette tuber pipe 1 flow, consequently, the air current in the cigarette tuber pipe 1 can not promote cover plate 9 rotatory, and then makes cigarette tuber pipe 1 have better sealing performance.
When the fan 3 supplies air to the smoke and air pipe 1, the air flow pushes the cover plate 9 to rotate, so that the buffer cavity 8 is opened, and the air flow can enter the smoke and air pipe 1.
The connecting lug 12 is perpendicular to the cover plate 9, the connecting lug 12 and the cover plate 9 are of an integrated structure, and a rolling bearing is arranged between the pin hole and the pin shaft 11.
The cover plate 9 comprises a surface remote from the buffer chamber 8, which surface is flush with the inner side wall of the flue gas duct 1.
The cover plate 9 is further provided with a limiting block 13 for limiting the rotation angle of the cover plate 9, the limiting block 13 and the cover plate 9 are of an integrated structure, and the limiting block 13 abuts against the inner side wall of the smoke air pipe 1 or the limiting block 13 abuts against the side wall of the buffer cavity 8 to limit the rotation angle of the cover plate 9.
In the scheme, the rotation angle of the cover plate 9 can be effectively positioned, so that the performance of the cover plate 9 is optimized, the acting force borne by the pin shaft 11 is reduced, and the service life of the pin shaft 11 is prolonged.
As shown in fig. 2 and 3, in one possible embodiment, the casing 6 includes a first half 14 and a second half 15, a sealing ring is disposed between the first half 14 and the second half 15, the sealing ring is adhered to the first half 14, and the first half 14 and the second half 15 are fixed together by bolts.
A mounting portion through which a bolt is inserted is integrally provided on the first half portion 14 and the second portion.
In a possible embodiment, a sealing gasket 16 for improving the sealing performance of the air duct 7 is arranged between the housing 6 and the smoke duct 1, and the sealing gasket 16 is bonded to the housing 6.
The smoke duct 1 is provided with a support rib 101 for supporting the shell 6, and the support rib 101 and the smoke duct 1 are of an integrated structure.
Pipeline 5 among the above-mentioned scheme can be the hose, and the connected mode between fan 3 and the pipeline 5 refers to prior art, and the connected mode of pipeline 5 and air feed ring 4 can be, is provided with the connector on air feed ring 4, and pipeline 5 passes through the connector to be connected with air feed ring 4 to the realization is to air feed in the air feed ring 4.
While several possible embodiments of the disclosure have been described above with reference to the accompanying drawings, it is to be understood that these embodiments are not all embodiments of the disclosure, and that other embodiments may be devised by those skilled in the art without departing from the inventive concept, and that such embodiments are within the scope of the disclosure.
Claims (8)
1. Carbon residue circulation fluidized bed, including the boiler and with flue gas pipe (1) of boiler intercommunication, characterized by: the carbon residue circulating fluidized bed also comprises an air supply device (2) which enables air flow in the smoke air pipe (1) to form a turbulent flow effect, wherein the air supply device (2) comprises a fan (3) and an air supply ring (4) which supplies air in the smoke air pipe (1), the fan (3) supplies air in the air supply ring (4) through a pipeline (5), the air supply ring (4) comprises a shell (6), an air channel (7) is formed between the shell (6) and the side wall of the smoke air pipe (1), the shell (6) is arranged on the outer wall of the smoke air pipe (1), a buffer cavity (8) is arranged on the smoke air pipe (1), the buffer cavity (8) is recessed in the smoke air pipe (1), in addition, the buffer cavity (8) is communicated with the smoke air pipe (1), a cover plate (9) which covers the buffer cavity (8) is arranged on the inner side wall of the smoke air pipe (1), cover plate (9) rotate connect in on the lateral wall of cigarette tuber pipe (1), and, cover plate (9) utilize the action of gravity lid to close buffer chamber (8) be provided with the intercommunication on cigarette tuber pipe (1 buffer chamber (8) with gas pocket (10) of wind channel (7), the air current warp in wind channel (7) gas pocket (10) get into buffer chamber (8) and promotion cover plate (9) are opened the entering in cigarette tuber pipe (1).
2. The carbon residue circulating fluidized bed according to claim 1, characterized in that: be provided with round pin axle (11) on the lateral wall of cushion chamber (8), cover plate (9) through round pin axle (11) rotate connect in on cigarette tuber pipe (1) be provided with engaging lug (12) on cover plate (9), be provided with the pinhole on engaging lug (12), round pin axle (11) are fixed in through the screw thread on the lateral wall of cushion chamber (8).
3. The carbon residue circulating fluidized bed according to claim 2, characterized in that: the connecting lug (12) and the cover plate (9) are vertically arranged, the connecting lug (12) and the cover plate (9) are of an integrated structure, and a rolling bearing is arranged between the pin hole and the pin shaft (11).
4. The carbon residue circulating fluidized bed according to claim 3, characterized in that: the cover plate (9) comprises a surface far away from the buffer cavity (8), and the surface is flush with the inner side wall of the smoke air pipe (1).
5. The carbon residue circulating fluidized bed according to claim 4, characterized in that: still be provided with on cover plate (9) and inject stopper (13) of cover plate (9) rotation angle, stopper (13) with cover plate (9) formula structure as an organic whole, and, stopper (13) contradict the inside wall of cigarette tuber pipe (1) or stopper (13) contradict the lateral wall of cushion chamber (8) is injectd the rotation angle of cover plate (9).
6. The carbon residue circulating fluidized bed according to claim 1, characterized in that: the shell (6) comprises a first half part (14) and a second half part (15), a sealing ring is arranged between the first half part (14) and the second half part (15) and is bonded on the first half part (14), and the first half part (14) and the second half part (15) are fixed together through bolts.
7. The carbon residue circulating fluidized bed according to claim 6, characterized in that: casing (6) with be provided with between cigarette tuber pipe (1) and improve wind channel (7) sealing performance's sealed pad (16), sealed pad (16) bond in on casing (6).
8. The carbon residue circulating fluidized bed according to claim 7, characterized in that: the smoke and air pipe (1) is provided with a supporting rib (101) for supporting the shell (6), and the supporting rib (101) and the smoke and air pipe (1) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020028407.6U CN211526416U (en) | 2020-01-06 | 2020-01-06 | Carbon residue circulating fluidized bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020028407.6U CN211526416U (en) | 2020-01-06 | 2020-01-06 | Carbon residue circulating fluidized bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211526416U true CN211526416U (en) | 2020-09-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020028407.6U Active CN211526416U (en) | 2020-01-06 | 2020-01-06 | Carbon residue circulating fluidized bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211526416U (en) |
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2020
- 2020-01-06 CN CN202020028407.6U patent/CN211526416U/en active Active
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