CN112610978B - Novel supporting structure of air preheater gasket - Google Patents
Novel supporting structure of air preheater gasket Download PDFInfo
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- CN112610978B CN112610978B CN202011527152.9A CN202011527152A CN112610978B CN 112610978 B CN112610978 B CN 112610978B CN 202011527152 A CN202011527152 A CN 202011527152A CN 112610978 B CN112610978 B CN 112610978B
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- regulating plate
- gasket
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/02—Arrangements of regenerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D11/00—Heat-exchange apparatus employing moving conduits
- F28D11/02—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
- F28F11/02—Arrangements for sealing leaky tubes and conduits using obturating elements, e.g. washers, inserted and operated independently of each other
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Air Supply (AREA)
Abstract
The invention discloses a novel supporting structure of a sealing sheet of an air preheater, relates to the technical field of sealing sheets of air preheaters, and aims to solve the problem that the existing sealing sheet supporting structure cannot be flexibly adjusted according to the change of an internal gap. The fixed overhead gage that is provided with in upper end of regulating plate, the fixed lower baffle that is provided with of lower extreme of regulating plate, the internally mounted of regulating plate has the sealing member mounting panel, the internally mounted of sealing member mounting panel has the gasket, and gasket and sealing member mounting panel pass through mounting fixed connection, the fixed connecting plate that is provided with in upper end of sealing member mounting panel, the runner is installed to the upper end of connecting plate, and the runner rotates with the connecting plate to be connected, one side of locating plate lower extreme is provided with the rotor, one side of locating plate bottom is provided with the import, the opposite side of locating plate bottom is provided with the export, be provided with the second spout between import and the export, the mounting panel is installed to the rear end of regulating plate.
Description
Technical Field
The invention relates to the technical field of air preheater sealing pieces, in particular to a novel supporting structure of an air preheater sealing piece.
Background
An air preheater is also called an air preheater for short, and is a preheating device for improving the heat exchange performance of a boiler and reducing the heat loss. The air preheater has the function that heat carried in smoke exhausted from a flue at the tail part of a boiler is conducted into air before entering the boiler through radiating fins to preheat the air to a certain temperature, a heating surface rotary preheater is commonly adopted in a power station boiler and can rotate slowly during working, the smoke can enter the smoke side of an air preheater and then is exhausted, the heat carried in the smoke can be absorbed by the radiating fins in the air preheater and then the air preheater rotates slowly, the radiating fins move to the air side and then transfer the heat to the air before entering the boiler, and the sealing fins serve as accessories for reducing the distance between the fan-shaped plates and the rotor and can reduce the air leakage rate in the rotation process of the air preheater, so that the utilization efficiency of the heat in the smoke is ensured.
However, at the in-process of air heater work, because overall structure is comparatively huge, along with the continuous change of inside temperature, each region, temperature also diverse between each structure, so under expend with heat and contract with cold's effect, the inflation takes place for some structure, the shrinkage takes place for some structure, make the gap between gasket and the rotor produce the change, the gap enlargement can lead to the improvement of air leakage rate, thereby influence heat recovery efficiency, the gap reduces to lead to laminating between gasket and the rotor too closely, on the one hand produces the influence to holistic rotation, on the other hand easily leads to the damage of gasket supporting part, consequently unsatisfied current demand, we have proposed the bearing structure of a novel air preheater gasket to this.
Disclosure of Invention
The invention aims to provide a novel sealing sheet supporting structure of an air preheater, which aims to solve the problem that the sealing sheet supporting structure proposed in the background art cannot be flexibly adjusted according to the change of an internal gap.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel bearing structure of air preheater gasket, includes regulating plate and locating plate, the fixed overhead gage that is provided with in upper end of regulating plate, the fixed baffle that is provided with down of lower extreme of regulating plate, the internally mounted of regulating plate has the sealing member mounting panel, the internally mounted of sealing member mounting panel has the gasket, and gasket and sealing member mounting panel pass through mounting fixed connection, the fixed connecting plate that is provided with in upper end of sealing member mounting panel, the runner is installed to the upper end of connecting plate, and the runner rotates with the connecting plate to be connected, one side of locating plate lower extreme is provided with the rotor, one side of locating plate bottom is provided with the import, the opposite side of locating plate bottom is provided with the export, be provided with the second spout between import and the export, the mounting panel is installed to the rear end of regulating plate.
Preferably, the inside intermediate position department of overhead gage is provided with the third spout, and the upper end of runner extends to the top of third spout, and runner and third spout sliding connection, the both sides of overhead gage bottom all are provided with the spacing groove, and the spacing groove is provided with a plurality of, and the spacing groove distributes in proper order, the both sides of connecting plate upper end all are provided with the stopper, and every side stopper all is provided with threely, and stopper and spacing groove looks adaptation.
Preferably, the regulating plate is located the lower extreme of locating plate, the inside both sides of import and export all are provided with first guiding edge, and the width on first guiding edge is reduced gradually towards the center by the outside, the import all is provided with the second guiding edge with the inside upper end in export, and one side on second guiding edge extends to the outside of locating plate, and is less than ninety degrees contained angle between the place plane on second guiding edge and the locating plate place plane and is twenty degrees, the upper end and the second spout sliding connection of runner.
Preferably, the bottom fixed mounting of sealing member mounting panel has the telescopic link, the outside fixed mounting of telescopic link has first spring, the upper end of baffle is provided with first spout down, and just baffle and telescopic link pass through first spout sliding connection down.
Preferably, one side of locating plate lower extreme is provided with the linking, and the linking passes through the draw-in groove with the rotor and fixes, the inside of linking is provided with three fixed orifices, one side of gasket is laminated with the inner wall of rotor mutually.
Preferably, the both sides of regulating plate rear end and mounting panel front end are provided with recess and lug respectively, and regulating plate upper groove and lug are the dislocation distribution with mounting panel upper groove and lug, lug and recess looks adaptation.
Preferably, the fixed sleeve that is provided with in intermediate position department of mounting panel front end, and the sleeve is provided with a plurality of, telescopic inside all installs movable post, activity post and sleeve sliding connection, and the one end of activity post extends to telescopic outside, the one end and the regulating plate fixed connection of activity post, the fixed second spring that is provided with between sleeve and the activity post.
Preferably, a sector plate is arranged on one side of the mounting plate, a nut is arranged on one side of the sector plate, a bolt is arranged on the other side of the mounting plate, and one end of the bolt penetrates through the sector plate to be in threaded fit with the nut.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the adjusting plate is arranged outside the sealing element mounting plate provided with the sealing sheet, the telescopic rod at the lower end of the sealing element mounting plate is in sliding connection with the lower baffle plate at the bottom of the adjusting plate through the first chute, the rotating wheel at the upper end of the sealing element mounting plate penetrates through the upper baffle plate and is in sliding connection with the third chute, the positioning plate matched with the adjusting plate is fixed on the rotor, the distance between the sealing sheet and the inner wall of the rotor is equal to the distance between the rotating wheel and the inner side of the rotor, when the sector plate provided with the adjusting plate rotates, the distance between the sealing sheet and the inner wall of the rotor changes along with the change of the temperature inside the rotor, when the rotating wheel enters the inlet of the positioning plate, the second guiding edge is arranged at the upper end of the inlet and can extrude the rotating wheel at the upper end to gradually descend, so that the limiting effect of the upper baffle plate on the sealing element mounting plate is eliminated, then the first guiding edge can gradually gather the rotating wheel with the position deviation towards the center of the second chute, the rotating wheel inside of the second chute, the sealing sheet is driven to carry out positioning adjustment on the sealing element mounting plate and the inner part to carry out the positioning adjustment along with the movement of the sealing sheet, so as to control the gap in a reasonable interval, on the one hand, the other hand, the effective reduction of the heat recovery rate is ensured, and the effective use efficiency is improved.
2. According to the invention, the plurality of limiting grooves are sequentially arranged on the two sides of the bottom of the upper baffle plate, the three limiting blocks are respectively arranged on the two sides of the connecting plate, the limiting grooves are matched with the limiting blocks, when the rotating wheel contacts the second guide edge, the rotating wheel descends, the limiting blocks are separated from the limiting grooves, meanwhile, the telescopic rod provided with the first spring is contracted, the limiting effect of the connecting plate on the upper baffle plate is eliminated, the rotating wheel can move on the position in the third sliding groove under the adjustment of the first guide edge, the vertical limiting effect of the second guide edge on the rotating wheel is eliminated when the rotating wheel moves out of the second sliding groove in the positioning plate, the limiting blocks extend into the limiting grooves again under the elastic reset of the first spring, the fixing of the position of the rotating wheel after the adjustment is finished, and the sealing sheet can be flexibly and movably fixed through the mode.
3. According to the invention, the mounting plate is arranged at the rear end of the adjusting plate and fixedly connected with the sector plate through the bolt, when the adjusting plate does not enter the positioning plate for positioning and debugging, the space is reduced, the sealing sheet is extruded by the inner part of the rotor and is transmitted to the adjusting plate through the sealing element mounting plate, the movable column is contracted towards the inner part of the sleeve by the force of the adjusting plate, the second spring is extruded when the adjusting plate is contracted, meanwhile, the sealing sheet is slightly attached to the inner wall of the rotor by reaction and the adjusting plate, the two sides of the front end of the mounting plate and the rear end of the adjusting plate are respectively provided with the convex block and the concave block, the concave block and the convex block can block air by dislocation, on one hand, the whole sealing performance is improved, on the other hand, the sliding stability between the sealing sheet and the rotor is improved, and in addition, when the limiting groove and the limiting block are not completely connected, the limiting block can move towards the adjacent limiting groove under the action of the second spring, and further fixation is completed.
Drawings
FIG. 1 is a top view of the internal structure of the sealing plate of the present invention in an adjusted state;
FIG. 2 is a side view of the adjustment plate of the present invention;
FIG. 3 is a perspective view of the upper baffle and seal mounting plate of the present invention;
FIG. 4 is a bottom view of the positioning plate of the present invention;
FIG. 5 is a side view of the inner structure of the sealing plate of the present invention in an adjusted state;
fig. 6 is a partially enlarged view of the region a of the present invention.
In the figure: 1. an adjusting plate; 2. a seal mounting plate; 3. sealing the sheet; 4. a telescopic rod; 5. a first spring; 6. a first chute; 7. a fixing member; 8. a connecting plate; 9. a rotating wheel; 10. a rotor; 11. a sector plate; 12. positioning a plate; 13. an inlet; 14. an outlet; 15. a second chute; 16. mounting a plate; 17. a bolt; 18. a nut; 19. an upper baffle plate; 20. a lower baffle plate; 21. a third chute; 22. a limiting groove; 23. a limiting block; 24. looping; 25. a fixing hole; 26. a first guide edge; 27. a second guide edge; 28. a second spring; 29. a groove; 30. a bump; 31. a sleeve; 32. a movable column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an embodiment of the present invention is shown: the utility model provides a novel bearing structure of air preheater gasket, including regulating plate 1 and locating plate 12, the fixed overhead gage 19 that is provided with in upper end of regulating plate 1, the fixed baffle 20 that is provided with of lower extreme of regulating plate 1, overhead gage 19 is used for cooperating sealing member mounting panel 2 slide adjusting with lower baffle 20, the internally mounted of regulating plate 1 has sealing member mounting panel 2, the internally mounted of sealing member mounting panel 2 has gasket 3, gasket 3 is used for realizing the sealed between sector plate 11 and rotor 10, and gasket 3 passes through mounting 7 fixed connection with sealing member mounting panel 2, the fixed connecting plate 8 that is provided with in upper end of sealing member mounting panel 2, runner 9 is installed to the upper end of connecting plate 8, the rotating-structure of runner 9 can reduce frictional force at the slip in-process, and runner 9 and connecting plate 8 rotate to be connected, one side of locating plate 12 lower extreme is provided with rotor 10, one side of locating plate 12 bottom is provided with import 13, import 13 is used for the preconditioning to runner 9 locating plate, the opposite side of 12 bottom is provided with export 14, be provided with second spout 15 between import 13 and the export 14, mounting plate 16 is installed to the rear end of regulating plate 1.
Further, go up 19 inside intermediate position departments of baffle and be provided with third spout 21, the upper end of runner 9 extends to the top of third spout 21, and runner 9 and third spout 21 sliding connection, the both sides of going up 19 bottoms of baffle all are provided with spacing groove 22, spacing groove 22 is provided with a plurality of, and spacing groove 22 distributes in proper order, the both sides of 8 upper ends of connecting plate all are provided with stopper 23, every side stopper 23 all is provided with threely, and stopper 23 and spacing groove 22 looks adaptation, through this kind of mode, can move about the fixed to gasket 3 in a flexible way.
Further, the adjusting plate 1 is located at the lower end of the positioning plate 12, first guide edges 26 are arranged on two sides of the inner portions of the inlet 13 and the outlet 14, the width of each first guide edge 26 is gradually reduced from the outer side to the center, second guide edges 27 are arranged at the upper ends of the inner portions of the inlet 13 and the outlet 14, one side of each second guide edge 27 extends to the outer side of the positioning plate 12, an included angle smaller than ninety degrees between a plane where the second guide edge 27 is located and a plane where the positioning plate 12 is located is twenty degrees, the upper end of the rotating wheel 9 is in sliding connection with the second sliding chute 15, the second guide edges 27 can extrude the rotating wheel 9 at the upper end to gradually lower the rotating wheel, the limiting effect of the upper baffle plate 19 on the sealing element mounting plate 2 disappears, and then the rotating wheel 9 with position deviation can be gradually gathered towards the center of the second sliding chute 15 by the first guide edges 26.
Further, the bottom fixed mounting of sealing member mounting panel 2 has telescopic link 4, and the outside fixed mounting of telescopic link 4 has first spring 5, and the upper end of baffle 20 is provided with first spout 6 down, and baffle 20 and telescopic link 4 pass through 6 sliding connection of first spout down, and under the elasticity of first spring 5 resets, makes stopper 23 extend to the inside of spacing groove 22 once more, accomplishes the fixed of adjusting back runner 9 position.
Further, one side of the lower end of the positioning plate 12 is provided with a sleeve opening 24, the sleeve opening 24 is fixed with the rotor 10 through a clamping groove, three fixing holes 25 are formed in the sleeve opening 24, one side of the sealing sheet 3 is attached to the inner wall of the rotor 10, and the sleeve opening 24 can reinforce the fixation of the positioning plate 12 and the rotor 10.
Further, the both sides of regulating plate 1 rear end and mounting panel 16 front end are provided with recess 29 and lug 30 respectively, and regulating plate 1 upper groove 29 and lug 30 and mounting panel 16 upper groove 29 and lug 30 are the dislocation distribution, and lug 30 and recess 29 looks adaptation, dislocation difference recess 29 and lug 30 can block the air on the one hand, improve holistic leakproofness, and on the other hand can improve gliding stability between the two.
Further, the fixed sleeve 31 that is provided with in intermediate position department of mounting panel 16 front end, and sleeve 31 is provided with a plurality of, movable post 32 is all installed to the inside of sleeve 31, movable post 32 and sleeve 31 sliding connection, and the one end of movable post 32 extends to the outside of sleeve 31, the one end and the regulating plate 1 fixed connection of movable post 32, fixed second spring 28 that is provided with between sleeve 31 and the movable post 32, regulating plate 1 atress makes movable post 32 shrink towards the inside of sleeve 31, produce the extrusion to second spring 28 during the shrink, simultaneously reaction and regulating plate 1, make sealing strip 3 and rotor 10 inner wall keep slight laminating, in addition when spacing groove 22 and stopper 23 are not fully connected, under the effect of second spring 28, can make stopper 23 move towards the spacing groove 22 that is close to, and then accomplish fixedly.
Further, one side of the mounting plate 16 is provided with the sector plate 11, one side of the sector plate 11 is provided with the nut 18, the other side of the mounting plate 16 is provided with the bolt 17, and one end of the bolt 17 penetrates through the sector plate 11 to be in threaded fit with the nut 18, so that the connection between the two is more stable.
The working principle is as follows: when the device is used, when the sector plate 11 provided with the adjusting plate 1 rotates, the distance between the sealing sheet 3 and the inner wall of the rotor 10 changes along with the change of the internal temperature of the rotor 10, when the rotating wheel 9 enters the inlet 13 of the positioning plate 12, the second guide edge 27 can extrude the rotating wheel 9 at the upper end to lower the rotating wheel 9, so that the limiting block 23 is separated from the inside of the limiting groove 22, and simultaneously the telescopic rod 4 provided with the first spring 5 is contracted, so that the limiting effect of the connecting plate 8 on the upper baffle plate 19 disappears, then the first guide edge 26 can gradually gather the rotating wheel 9 with position deviation towards the center of the second sliding groove 15, along with the movement of the rotating wheel in the second sliding groove 15, the sealing element mounting plate 2 provided with the sealing sheet 3 is driven to perform positioning adjustment of the distance with the inside of the rotor 10, the gap is controlled in a reasonable interval, and when the rotating wheel 9 moves out from the second sliding groove 15 in the positioning plate 12, the vertical limiting function of the second guiding edge 27 on the rotating wheel 9 disappears, under the elastic reset of the first spring 5, the limiting block 23 is extended into the limiting groove 22 again, the fixing of the position of the rotating wheel 9 after adjustment is completed, when the adjusting plate 1 does not enter the positioning plate 12 for positioning and debugging, the space is reduced, the sealing sheet 3 is extruded by the inner part of the rotor 10 and is transmitted to the adjusting plate 1 through the sealing element mounting plate 2, the adjusting plate 1 is stressed to enable the movable column 32 to shrink towards the inner part of the sleeve 31, the second spring 28 is extruded during shrinkage, meanwhile, the sealing sheet 3 is slightly attached to the inner wall of the rotor 10 by the reaction and the adjusting plate 1, the convex block 30 and the concave groove 29 are respectively arranged at the two sides of the front end of the mounting plate 16 and the rear end of the adjusting plate 1, on the one hand, the concave groove 29 and the convex block 30 can block air by dislocation, and the whole sealing performance is improved, on the other hand, the stability of sliding between the limiting groove 22 and the limiting block 23 can be improved, and in addition, when the limiting groove 22 is not completely connected with the limiting block 23, the limiting block 23 can be moved towards the adjacent limiting groove 22 under the action of the second spring 28, so that the fixation is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a novel bearing structure of air preheater gasket, includes regulating plate (1) and locating plate (12), its characterized in that: the upper end of regulating plate (1) is fixed and is provided with overhead gage (19), the fixed lower extreme of regulating plate (1) is provided with down baffle (20), the internally mounted of regulating plate (1) has sealing member mounting panel (2), the internally mounted of sealing member mounting panel (2) has gasket (3), and gasket (3) and sealing member mounting panel (2) are through mounting (7) fixed connection, the fixed connecting plate (8) that is provided with in upper end of sealing member mounting panel (2), runner (9) is installed to the upper end of connecting plate (8), and runner (9) and connecting plate (8) rotate to be connected, one side of locating plate (12) lower extreme is provided with rotor (10), one side of locating plate (12) bottom is provided with import (13), the opposite side of locating plate (12) bottom is provided with export (14), be provided with second spout (15) between import (13) and export (14), mounting panel (16) is installed to the rear end of regulating plate (1), the inside intermediate position department of overhead gage (19) is provided with third spout (21), the upper end of runner (9) extends to the top of third spout (21), and runner (9) and the sliding chute (22) are provided with the spacing groove (22), spacing groove (22) are provided with a plurality of, and spacing groove (22) distribute in proper order, the both sides of connecting plate (8) upper end all are provided with stopper (23), and every side stopper (23) all are provided with threely, and stopper (23) and spacing groove (22) looks adaptation, regulating plate (1) are located the lower extreme of locating plate (12), import (13) all are provided with first direction limit (26) with export (14) inside both sides, and the width of first direction limit (26) is reduced gradually towards the center by the outside, import (13) all are provided with second direction limit (27) with export (14) inside upper end, and one side of second direction limit (27) extends to the outside of locating plate (12), and the contained angle that is less than the degree between place plane of second direction limit (27) and locating plate (12) place plane is twenty degrees, the upper end and second spout (15) sliding connection of runner (9), the bottom fixed mounting panel (2) have (4), the fixed mounting of telescopic link (4) installs first outside spring (5) and telescopic link (20) lower slide groove (6) and telescopic link (20) are provided with first spout (6) connection.
2. The novel support structure for the sealing sheet of the air preheater according to claim 1, wherein: one side of locating plate (12) lower extreme is provided with linking (24), and linking (24) and rotor (10) pass through the draw-in groove fixed, the inside of linking (24) is provided with three fixed orifices (25), one side of gasket (3) is laminated with the inner wall of rotor (10) mutually.
3. The novel support structure for the sealing sheet of the air preheater according to claim 1, wherein: regulating plate (1) rear end is provided with recess (29) and lug (30) respectively with the both sides of mounting panel (16) front end, and regulating plate (1) upper groove (29) and lug (30) are dislocation distribution with mounting panel (16) upper groove (29) and lug (30), lug (30) and recess (29) looks adaptation.
4. The novel support structure for the sealing sheet of the air preheater according to claim 3, wherein: the fixed sleeve (31) that is provided with of intermediate position department of mounting panel (16) front end, and sleeve (31) are provided with a plurality of, movable post (32) are all installed to the inside of sleeve (31), and movable post (32) and sleeve (31) sliding connection, and the one end of activity post (32) extends to the outside of sleeve (31), the one end and regulating plate (1) fixed connection of activity post (32), sleeve (31) and activity are fixed between post (32) and are provided with second spring (28).
5. The novel support structure for the sealing sheet of the air preheater according to claim 1, wherein: one side of mounting panel (16) is provided with sector plate (11), one side of sector plate (11) is provided with nut (18), the opposite side of mounting panel (16) is provided with bolt (17), sector plate (11) and nut (18) screw-thread fit are passed to the one end of bolt (17).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011527152.9A CN112610978B (en) | 2020-12-22 | 2020-12-22 | Novel supporting structure of air preheater gasket |
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| CN202011527152.9A CN112610978B (en) | 2020-12-22 | 2020-12-22 | Novel supporting structure of air preheater gasket |
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| CN112610978A CN112610978A (en) | 2021-04-06 |
| CN112610978B true CN112610978B (en) | 2023-03-24 |
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| CN201396781Y (en) * | 2009-05-05 | 2010-02-03 | 卫建 | Flexible and contacting type of sealing device |
| CN101788154A (en) * | 2009-12-04 | 2010-07-28 | 宁波市镇海福尔迅电梯部件厂 | Elastic sheet contact type sealing device of rotary air preheater |
| EP2458315A1 (en) * | 2010-11-25 | 2012-05-30 | Balcke-Dürr GmbH | Regenerative heat exchanger with forced rotor seal |
| CN102022543A (en) * | 2010-11-26 | 2011-04-20 | 北京化工大学 | Corrugated elastic seal and rotary air pre-heater sealing device |
| CN102287845A (en) * | 2011-05-19 | 2011-12-21 | 顾义 | Elastic sealing fin device of rotary air pre-heater |
| CN205079257U (en) * | 2015-10-28 | 2016-03-09 | 纳彦喜 | Modified air preheater is from kissing box -shaped resilient means |
| CN105570462A (en) * | 2016-02-19 | 2016-05-11 | 江苏拓平密封科技有限公司 | Elastic contact type sealing device for rotary air preheater |
| CN205690433U (en) * | 2016-06-21 | 2016-11-16 | 南京奥能科技有限公司 | A kind of novel power plant coal-burning boiler air preheater radially Air leakage control equipment |
| CN106705111A (en) * | 2017-02-27 | 2017-05-24 | 范诚豪 | Air preheater stationary self-compensation sealing fin and sealing system comprising same |
| CN109059036A (en) * | 2018-07-10 | 2018-12-21 | 华中科技大学 | A kind of rotary regenerative air preheater magnet-wheel apex combustion seal |
| CN210511761U (en) * | 2019-07-17 | 2020-05-12 | 上海市东方海事工程技术有限公司 | Elastic turning plate type rotor radial sealing device applied to air preheater |
| CN110645359A (en) * | 2019-09-24 | 2020-01-03 | 航天科工哈尔滨风华有限公司电站设备分公司 | Mechanical self-correcting air preheater sealing device |
| CN110792776A (en) * | 2019-12-03 | 2020-02-14 | 四川美加宜节能技术有限公司 | Non-contact flexible sealing structure for rotary air preheater |
| CN212157244U (en) * | 2020-04-29 | 2020-12-15 | 神华福能发电有限责任公司 | Air leakage control system capable of adapting to load change of air preheater |
| CN112032758A (en) * | 2020-09-22 | 2020-12-04 | 上海锅炉厂有限公司 | Hot end radial sealing device of self-adaptation air preheater rotor thermal deformation |
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Address after: 211100 Room 201, 11th floor, building a, qiaomengyuan, Nanjing, Jiangsu, No. 100, Tianjiao Road, Qilin science and Technology Innovation Park, Nanjing, Jiangsu Patentee after: Nanjing Lilan power energy saving Technology Co.,Ltd. Address before: 211100 room 901, building 9, Cuiping International Plaza, 20 Jiangjun Avenue, moling street, Jiangning District, Nanjing City, Jiangsu Province (Jiangning Development Zone) Patentee before: Nanjing Lilan power energy saving Technology Co.,Ltd. |