CN212057261U - Energy-saving circulating fluidized bed - Google Patents
Energy-saving circulating fluidized bed Download PDFInfo
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- CN212057261U CN212057261U CN202020687038.1U CN202020687038U CN212057261U CN 212057261 U CN212057261 U CN 212057261U CN 202020687038 U CN202020687038 U CN 202020687038U CN 212057261 U CN212057261 U CN 212057261U
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- drainage tube
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- plug connector
- fluidized bed
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Abstract
The utility model discloses an energy-saving circulating fluidized bed, which relates to the technical field of fluidized beds, and has the key points of the technical scheme that the circulating fluidized bed comprises a smoke collection box, a tail flue fixed on the outer peripheral surface of the smoke collection box, a drainage tube fixed at the bottom of the smoke collection box and an exhaust port fixed at the top of the smoke collection box, wherein the bottom end of the drainage tube is provided with a sealing device for preventing smoke from being discharged from the drainage tube; the sealing device comprises four slots arranged at the bottom of the drainage tube, four inserting pieces which are respectively arranged in the four slots in a sliding manner along the vertical direction, and sealing covers fixed at the bottom ends of the four inserting pieces; all be provided with between every inserted sheet and the slot and be used for carrying out the fixed establishment to the inserted sheet. The utility model provides a direct emission of high temperature air can cause the extravagant problem of energy, reduce the energy in the high temperature flue gas by extravagant possibility.
Description
Technical Field
The utility model relates to a fluidized bed technical field, more specifically the utility model discloses, it relates to an energy saving's circulating fluidized bed.
Background
At present, a circulating fluidized bed boiler adopts fluidized combustion, and the main structure of the circulating fluidized bed boiler comprises a combustion chamber and a circulating furnace.
The prior art can refer to the chinese utility model patent with the publication number CN208504374U, which discloses a circulating fluidized bed boiler, comprising a furnace, an air distribution device, a feeding device, a separator and a tail flue, and a gas-solid heat exchange device is arranged between the separator and the tail flue. The upper part of the gas-solid heat exchange device is provided with a heat carrier bin, and a plurality of blanking ports are arranged below the heat carrier bin. An external heat exchanger is connected below the gas-solid heat exchange device, and the external heat exchanger is connected with the heat carrier bin through a lifting device and a material return pipe.
However, the above circulating fluidized bed boiler uses a cyclone separator to discharge the flue gas from the flue gas duct into the gas-solid heat exchange device, and then discharge the flue gas from the tail flue. Since the temperature of the flue gas discharged from the tail is high, discharging the flue gas directly into the air causes a large amount of energy waste.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, the utility model aims to provide an energy saving's circulating fluidized bed, it reduces the possibility that the energy in the high temperature flue gas is wasted through setting up the drainage tube.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a circulating fluidized bed capable of saving energy comprises a smoke collection box, a tail flue fixed on the peripheral surface of the smoke collection box, a drainage tube fixed at the bottom of the smoke collection box and an exhaust port fixed at the top of the smoke collection box, wherein a sealing device used for preventing smoke from being discharged from the drainage tube is arranged at the bottom end of the drainage tube; the sealing device comprises four slots arranged at the bottom of the drainage tube, four inserting pieces which are respectively arranged in the four slots in a sliding manner along the vertical direction, and sealing covers fixed at the bottom ends of the four inserting pieces; every all be provided with between inserted sheet and the slot and be used for carrying out the fixed establishment to the inserted sheet.
By adopting the technical scheme, the top of the tail flue is communicated with the fluidized bed boiler, and the flue gas flows into the smoke collecting box through the tail flue, sinks in the smoke collecting box, enters the drainage tube and is discharged through the drainage tube. The bottom of the drainage tube is provided with a sealing device for preventing the smoke from being discharged, so that the drainage tube is convenient to seal when the smoke is not required to be recycled, and the smoke can be discharged upwards through the exhaust port at the moment.
The present invention may be further configured in a preferred embodiment as: each group of fixing mechanisms comprises a first sliding groove arranged on the slot and close to the outer peripheral surface of the drainage tube, a plug connector arranged in the first sliding groove in a sliding manner along the radial direction of the drainage tube, and an inserting groove arranged on one side of the inserting piece close to the first sliding groove and used for being inserted with the plug connector; a pressing component for driving the plug connector to move towards one side far away from the inserting piece is arranged between the plug connector and the inserting piece; plug connector is kept away from inserted sheet one side and is fixed with first spring, first spring keep away from plug connector one end with inserted sheet one side fixed connection is kept away from to first spout.
By adopting the technical scheme, after the sealing cover moves upwards, the inserting piece is inserted into the slot, and after the inserting piece moves to be contacted with the inserting piece, the inserting piece drives the inserting piece to move towards one side far away from the inserting piece through the abutting component; the inserted sheet continues the rebound, and the plug connector moves to being close to inserted sheet one side under first spring action, and final plug connector is pegged graft with the inserting groove to fix the inserted sheet, improve the inserted sheet and the connection effect of slot, reduce the sealed possibility of covering and the separation of drainage tube.
The present invention may be further configured in a preferred embodiment as: the plug connector is kept away from inserted sheet one side and is fixed with the guiding axle, first spout is kept away from inserted sheet one side and has been seted up the direction through-hole, the guiding axle sets up in the direction through-hole along the radial sliding of drainage tube.
Through adopting above-mentioned technical scheme, the direction through-hole provides the guide effect for the guiding axle, reduces the plug connector along the orbital possibility of deviating in the drainage tube radial movement in-process.
The present invention may be further configured in a preferred embodiment as: the pressing component comprises two first inclined planes which are respectively arranged on the inner sides of the plug connector and the plug-in piece.
Through adopting above-mentioned technical scheme, the inserted sheet supports upwards through first inclined plane and presses the plug connector, is convenient for support through the inserted sheet and presses promotion plug connector and remove to keeping away from inserted sheet one side, and the inserted sheet of being convenient for continues the rebound, improves the sealed effect of joining of plates and drainage tube.
The present invention may be further configured in a preferred embodiment as: the bottom of the drainage tube is provided with four groups of separating components which are respectively used for driving the plug connectors to be separated from the inserting grooves; each group of separating assemblies comprises a second sliding groove arranged at the bottom of the drainage tube and an abutting part arranged in the second sliding groove in a sliding manner along the vertical direction; an abutting component for driving the plug connector to move towards the side far away from the plug-in piece is arranged between the plug connector and the abutting component; and support rings are fixed at the bottoms of the four abutting parts.
Through adopting above-mentioned technical scheme, when plug connector and inserting groove are pegged graft, upwards support and press the support ring, the butt piece passes through butt subassembly drive plug connector and removes to keeping away from inserted sheet one side to separation plug connector and inserting groove, because when sealed lid and drainage tube separation, have a large amount of high temperature flue gas and spill over from the gap between sealed lid and the drainage tube, through promoting the support ring by sealed lid below, reduce the high temperature flue gas that spills over and cause the possibility of scalding to the hand.
The present invention may be further configured in a preferred embodiment as: the butt joint component comprises a strip-shaped through hole arranged at the bottom of the plug connector and a second inclined plane arranged at the top of the butt joint component.
Through adopting above-mentioned technical scheme, the butt piece upwards supports through the second inclined plane and presses the bar through-hole, is convenient for promote the plug connector through the butt piece and remove to keeping away from inserted sheet one side.
The present invention may be further configured in a preferred embodiment as: four second springs are fixed on the top of the support ring, and the top end of each second spring is fixedly connected with the bottom of the drainage tube.
Through adopting above-mentioned technical scheme, through second spring coupling support ring and drainage tube, reduce the possibility of support ring and drainage tube separation, be convenient for reset downwards through second spring drive support ring.
The present invention may be further configured in a preferred embodiment as: four arc gaps are evenly distributed at the top of the support ring along the circumferential direction of the support tube.
Through adopting above-mentioned technical scheme, through setting up the arc breach, sealed lid and drainage tube separation back, the high temperature flue gas that is convenient for spill over overflows by the arc breach, reduces the high temperature flue gas and causes the possibility of scalding to the hand.
To sum up, the utility model discloses compare and have following beneficial effect in prior art:
1. the smoke collecting box and the drainage tube are arranged, so that the high-temperature smoke can be drained conveniently, the high-temperature smoke can be collected and reused, and the possibility of wasting energy carried in the high-temperature smoke is reduced;
2. by arranging the fixing mechanism, the connecting effect of the inserting piece and the inserting groove is improved, and the possibility of separating the sealing cover from the drainage tube is reduced;
3. the supporting ring is pushed below the sealing cover, so that the possibility that the overflowing high-temperature smoke causes scalding to the hands is reduced.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a point a in fig. 1.
In the figure: 1. a cigarette receiving box; 11. a tail flue; 12. a drainage tube; 13. an exhaust port; 2. a sealing device; 21. a slot; 22. inserting sheets; 23. a sealing cover; 3. a fixing mechanism; 31. a first chute; 32. a plug-in unit; 33. inserting grooves; 34. a first inclined plane; 35. a first spring; 36. a guide shaft; 37. a guide through hole; 4. a separation assembly; 41. a second chute; 42. an abutting member; 43. a strip-shaped through hole; 44. a second inclined plane; 45. a support ring; 46. a second spring; 47. an arc-shaped notch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): an energy-saving circulating fluidized bed is shown in figure 1 and comprises a smoke collecting box 1, a tail flue 11 which is fixed on the peripheral surface of the smoke collecting box 1 and communicated with the smoke collecting box 1, a drainage tube 12 which is fixed at the bottom of the smoke collecting box 1 and communicated with the smoke collecting box 1, and an exhaust port 13 which is fixed at the top of the smoke collecting box 1 and communicated with the smoke collecting box 1. The top of the tail flue 11 is communicated with the fluidized bed boiler, and the flue gas flows into the smoke collecting box 1 through the tail flue 11, sinks in the smoke collecting box 1, enters the drainage pipe 12 and is discharged through the drainage pipe 12. When draft tube 12 is closed, the flue gas is exhausted upwardly through exhaust port 13.
As shown in FIG. 1, the lower end of draft tube 12 is provided with a sealing means 2 for preventing the discharge of smoke through draft tube 12. Referring to fig. 2, the sealing device 2 includes four slots 21 provided at the bottom of the drainage tube 12, four insertion pieces 22 slidably disposed in the four slots 21 along the vertical direction, and sealing covers 23 fixed at the bottom ends of the four insertion pieces 22. A fixing mechanism 3 for fixing the insertion sheet 22 is arranged between each insertion sheet 22 and the slot 21.
As shown in fig. 2, each set of fixing mechanism 3 includes a first sliding slot 31 opened on the slot 21 near the outer peripheral surface of the drainage tube 12, a plug connector 32 sliding along the radial direction of the drainage tube 12 and disposed in the first sliding slot 31, and a plug slot 33 opened on one side of the insertion piece 22 near the first sliding slot 31 and used for being plugged with the plug connector 32. The opposite inner sides of the plug-in unit 32 and the plug-in unit 22 are respectively opened with a first inclined surface 34. One side of the plug-in piece 32 far from the plug-in piece 22 is fixed with a first spring 35, and one end of the first spring 35 far from the plug-in piece 32 is fixedly connected with one side of the first sliding groove 31 far from the plug-in piece 22. A guide shaft 36 is fixed on one side of the plug connector 32 far away from the plug-in piece 22, a guide through hole 37 is formed on one side of the first chute 31 far away from the plug-in piece 22, and the guide shaft 36 is arranged in the guide through hole 37 in a sliding manner along the radial direction of the drainage tube 12; the first spring 35 is sleeved around the guide shaft 36. After the sealing cover 23 moves upwards, the inserting piece 22 is inserted into the slot 21, and after the inserting piece 22 moves to be in contact with the inserting piece 32, the inserting piece 22 pushes the inserting piece 32 to move towards the side far away from the inserting piece 22 through the first inclined surface 34; the inserting sheet 22 continues to move upwards, the plug-in unit 32 moves towards the side close to the inserting sheet 22 under the action of the first spring 35, and finally the plug-in unit 32 is plugged in the plugging groove 33, so that the inserting sheet 22 is fixed.
As shown in FIGS. 1 and 2, the bottom of drainage tube 12 is provided with four sets of separation modules 4 for driving the separation of connector 32 from insertion groove 33, respectively. Each set of separating assembly 4 comprises a second chute 41 arranged at the bottom of the drainage tube 12 and an abutting piece 42 arranged in the second chute 41 in a sliding manner along the vertical direction. The bottom of the plug connector 32 is provided with a strip-shaped through hole 43; the top of the abutting piece 42 is opened with a second inclined surface 44 for abutting with the strip-shaped through hole 43. A support ring 45 is fixed at the bottom of the four abutting pieces 42, four second springs 46 are fixed at the top of the support ring 45, and the top end of each second spring 46 is fixedly connected with the bottom of the drainage tube 12. Four arc gaps 47 are uniformly distributed at the top of the support ring 45 along the circumferential direction of the support pipe. When the plug connector 32 and the inserting groove 33 are in an inserting state, the supporting ring 45 is pressed upwards, the abutting part 42 abuts against the strip-shaped through hole 43 upwards through the second inclined surface 44, and the plug connector 32 is pushed to move towards the side far away from the inserting piece 22, so that the plug connector 32 and the inserting groove 33 are separated.
The working principle of the embodiment is as follows:
the smoke flows into the smoke collecting box 1 through the tail flue 11, sinks in the smoke collecting box 1, enters the drainage pipe 12 and is discharged through the drainage pipe 12. After the sealing cover 23 moves upwards, the inserting piece 22 is inserted into the slot 21, and after the inserting piece 22 moves to be in contact with the inserting piece 32, the inserting piece 22 pushes the inserting piece 32 to move towards the side far away from the inserting piece 22 through the first inclined surface 34; the inserting sheet 22 continues to move upwards, the plug-in unit 32 moves towards the side close to the inserting sheet 22 under the action of the first spring 35, and finally the plug-in unit 32 is plugged in the plugging groove 33, so that the inserting sheet 22 is fixed. When draft tube 12 is closed, the flue gas is exhausted upwardly through exhaust port 13.
When the plug connector 32 and the insertion groove 33 are in the insertion state, the support ring 45 is pressed upwards, the abutting part 42 abuts against the strip-shaped through hole 43 upwards through the second inclined surface 44, and the plug connector 32 is pushed to move towards the side far away from the insertion sheet 22, so that the plug connector 32 and the insertion groove 33 are separated, and the drainage tube 12 is opened.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an energy saving's circulating fluidized bed, is including receiving smoke box (1) and being fixed in receive afterbody flue (11) of smoke box (1) outer peripheral face, its characterized in that: the smoke collecting box also comprises a drainage tube (12) fixed at the bottom of the smoke collecting box (1) and an exhaust port (13) fixed at the top of the smoke collecting box (1), wherein a sealing device (2) used for preventing smoke from being discharged from the drainage tube (12) is arranged at the bottom end of the drainage tube (12); the sealing device (2) comprises four slots (21) arranged at the bottom of the drainage tube (12), four inserting pieces (22) which are respectively arranged in the four slots (21) in a sliding manner along the vertical direction, and sealing covers (23) fixed at the bottom ends of the four inserting pieces (22); every all be provided with between inserted sheet (22) and slot (21) and be used for going on fixed establishment (3) to inserted sheet (22).
2. An energy saving circulating fluidized bed according to claim 1, wherein: each group of fixing mechanisms (3) comprises a first sliding groove (31) which is formed in a slot (21) and close to the outer peripheral surface of the drainage tube (12), a plug connector (32) which is arranged in the first sliding groove (31) in a sliding manner along the radial direction of the drainage tube (12), and a plug-in slot (33) which is formed in one side of the plug-in piece (22) close to the first sliding groove (31) and is used for being plugged with the plug connector (32); a pressing component for driving the plug connector (32) to move towards one side far away from the inserting piece (22) is arranged between the plug connector (32) and the inserting piece (22); plug-in components (32) are kept away from inserted sheet (22) one side and are fixed with first spring (35), plug-in components (32) one end is kept away from in first spring (35) with inserted sheet (22) one side fixed connection is kept away from in first spout (31).
3. An energy saving circulating fluidized bed according to claim 2, wherein: plug connector (32) are kept away from inserted sheet (22) one side and are fixed with guiding axle (36), inserted sheet (22) one side is kept away from in first spout (31) has seted up direction through-hole (37), guiding axle (36) radially slide along drainage tube (12) and set up in direction through-hole (37).
4. An energy saving circulating fluidized bed according to claim 2, wherein: the pressing component comprises two first inclined planes (34) which are respectively arranged on the opposite inner sides of the plug connector (32) and the plug-in piece (22).
5. An energy saving circulating fluidized bed according to claim 2, wherein: the bottom of the drainage tube (12) is provided with four groups of separating components (4) which are respectively used for driving the plug connector (32) to be separated from the plug-in groove (33); each group of separating assemblies (4) comprises a second sliding chute (41) arranged at the bottom of the drainage tube (12) and an abutting part (42) which is arranged in the second sliding chute (41) in a sliding manner along the vertical direction; an abutting component for driving the plug connector (32) to move towards the side far away from the inserting sheet (22) is arranged between the plug connector (32) and the abutting component (42); and support rings (45) are fixed at the bottoms of the four abutting pieces (42).
6. An energy saving circulating fluidized bed according to claim 5, wherein: the abutting assembly comprises a strip-shaped through hole (43) arranged at the bottom of the plug connector (32) and a second inclined surface (44) arranged at the top of the abutting piece (42).
7. An energy saving circulating fluidized bed according to claim 5, wherein: four second springs (46) are fixed to the top of the support ring (45), and the top end of each second spring (46) is fixedly connected with the bottom of the drainage tube (12).
8. An energy saving circulating fluidized bed according to claim 5, wherein: four arc gaps (47) are evenly distributed at the top of the support ring (45) along the circumferential direction of the support pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687038.1U CN212057261U (en) | 2020-04-29 | 2020-04-29 | Energy-saving circulating fluidized bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687038.1U CN212057261U (en) | 2020-04-29 | 2020-04-29 | Energy-saving circulating fluidized bed |
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| Publication Number | Publication Date |
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| CN212057261U true CN212057261U (en) | 2020-12-01 |
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| CN202020687038.1U Active CN212057261U (en) | 2020-04-29 | 2020-04-29 | Energy-saving circulating fluidized bed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155731A (en) * | 2021-04-25 | 2021-07-23 | 安徽宏基建设项目管理有限公司 | Building wall quality detection device |
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2020
- 2020-04-29 CN CN202020687038.1U patent/CN212057261U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155731A (en) * | 2021-04-25 | 2021-07-23 | 安徽宏基建设项目管理有限公司 | Building wall quality detection device |
| CN113155731B (en) * | 2021-04-25 | 2023-03-31 | 安徽宏基建设项目管理有限公司 | Building wall quality detection device |
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