CN109185906B - Top sealing structure of flue in superheater area of garbage incineration waste heat furnace - Google Patents
Top sealing structure of flue in superheater area of garbage incineration waste heat furnace Download PDFInfo
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- CN109185906B CN109185906B CN201811104623.8A CN201811104623A CN109185906B CN 109185906 B CN109185906 B CN 109185906B CN 201811104623 A CN201811104623 A CN 201811104623A CN 109185906 B CN109185906 B CN 109185906B
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- 238000007789 sealing Methods 0.000 title claims abstract description 97
- 239000002918 waste heat Substances 0.000 title claims abstract description 19
- 238000004056 waste incineration Methods 0.000 claims abstract description 15
- 230000006978 adaptation Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000004321 preservation Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 210000001503 joint Anatomy 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- 239000003546 flue gas Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
- 206010022000 influenza Diseases 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention relates to the technical field of flues in a superheating area of a waste incineration waste heat boiler, and discloses a top sealing structure of a flues in a superheating area of the waste incineration waste heat boiler, wherein a heat preservation material layer is arranged at the upper part of the flues, a transverse collecting box is fixedly arranged at the front and rear sides of rectangular mounting holes at the top of the flues, a plurality of horizontal mounting plates are fixedly arranged at the inner ends of the transverse collecting box along the length direction of the transverse collecting box, a plurality of U-shaped notches are formed at the inner ends of the mounting plates along the length direction of the mounting plates, guard plates are respectively erected on the two corresponding mounting plates at the two sides, U-shaped notches are correspondingly formed at the outer ends of the guard plates along the length direction of the guard plates, end pipes of a transverse serpentine pipe screen of each superheater vertically penetrate through straight sections vertically overlapped with the two U-shaped notches, an expansion adaptation area is formed at the arc sections of the U-shaped notches, and a plate-shaped hanging hoop penetrates through the guard plates and is welded and fixed; horizontal gaps are reserved between the transversely adjacent guard plates and between the mounting plates, expansion joints are arranged on the horizontal gaps in a covering mode, and bottoms of two side plates of the expansion joints are welded with the adjacent guard plates respectively. The rectangular mounting hole at the top of the flue can be effectively sealed, and the serpentine tube panel can be effectively adapted to thermal expansion of the flue.
Description
Technical Field
The invention relates to the technical field of waste incineration waste heat boiler superheating area flues, in particular to a top sealing structure of a waste incineration waste heat boiler superheating area flues.
Background
A superheater with a coiled pipe structure is adopted for the waste heat furnace for garbage incineration, and because an inlet pipe and an outlet pipe of the superheater and a hanging hoop of the superheater densely penetrate through the top of the flue in the region, a common sealing mode is to fixedly arrange a ceiling pipe at the top of the region so as to seal rectangular mounting holes at the top of the flue, but the company cancels the structural mode of the ceiling pipe in a plurality of subsequent projects, therefore, in the structure of the flue superheater without the ceiling pipe, a new sealing structure is required to be designed, so that the effective sealing of the rectangular mounting holes is ensured, and meanwhile, the thermal expansion of the flue can be effectively adapted to the coiled pipe in the operation of the region.
Therefore, the application provides a top sealing structure of a flue in a superheater area of a garbage incineration waste heat furnace.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: to the problem that exists, the utility model provides a waste incineration waste heat furnace superheater regional flue top seal structure, simple structure is reasonable, and low cost need not to set up the ceiling pipe, also can form effective reliable sealedly to the rectangle mounting hole at flue top, can also make the thermal expansion that the snakelike tube panel effectively adapt to the flue simultaneously.
The technical scheme adopted by the invention is as follows: a flue top sealing structure in a superheater area of a garbage incineration waste heat furnace,
the device comprises a transverse header, wherein the front side and the rear side of a rectangular mounting hole at the top of the flue are fixedly provided with the transverse header, the left end and the right end of the transverse header are respectively and fixedly connected with a longitudinal header at the left end and the right end of the upper part of the flue, the longitudinal header is fixedly supported on the transverse header, and the transverse header is respectively and correspondingly welded and fixed with a flue top plate corresponding to the front side and the rear side of the rectangular mounting hole;
the inner ends of the transverse headers at two sides are fixedly provided with a plurality of horizontal mounting plates at intervals along the length direction of the transverse headers, the mounting plates at two sides are in one-to-one correspondence, the inner ends of the mounting plates are provided with a plurality of U-shaped notches along the length direction of the mounting plates, the two corresponding mounting plates at two sides are respectively provided with guard plates, the guard plates are the same as the transverse width of the mounting plates, the outer ends of the two guard plates are also provided with the U-shaped notches with the same number as the corresponding mounting plates along the length direction of the mounting plates, the outer ends of the two guard plates are correspondingly arranged on the mounting plates at two sides, the straight sections of the U-shaped notches on the mounting plates and the guard plates vertically coincide, the end pipes of the transverse coiled pipe panels of the superheater vertically penetrate through the vertically coincident straight sections, the arc sections of the U-shaped notches serve as expansion adaptation areas, the inner ends of the two guard plates are fixedly welded, the inner ends of the two guard plates are provided with a plurality of rectangular through holes, and the rectangular through holes are used for the hanging hoops of the coiled pipe screen to pass through, and the guard plates are fixedly welded with the hanging hoops;
horizontal gaps are formed between the transversely adjacent guard plates and between the mounting plates, expansion joints are arranged on the horizontal gaps in a covering mode, and bottoms of two side plates of the expansion joints are welded and fixed with the upper surfaces of the adjacent guard plates respectively;
the sealing structure can be used for covering and arranging a heat preservation material layer.
The transverse header, the mounting plate, the guard plate, the expansion joint and the heat preservation material layer can form sealing to rectangular mounting holes on the upper portion of the flue, the U-shaped notch and the expansion adaptation area on the mounting plate and the guard plate can ensure that the coiled pipe screen is effectively adapted to the longitudinal thermal expansion displacement of the flue, the plate-shaped hanging hoop forms fixed support to the coiled pipe screen, the coiled pipe screen is stably and reliably hung in the flue, the plate-shaped hanging hoop can also form fixed support to the guard plate, the guard plate is prevented from sinking downwards, each mounting plate at the inner end of the transverse header is not arranged into a continuous whole block, but is arranged into a plurality of segments, the transverse thermal expansion displacement of the single mounting plate is reduced, and the influence of the transverse thermal expansion of the single mounting plate on the coiled pipe is reduced.
According to the top sealing structure of the flue in the superheater area of the waste incineration furnace, sealing steel plates are arranged on the upper surfaces of two transversely adjacent mounting plates, one end of each sealing steel plate is welded and fixed with the upper surface of one mounting plate, the other end of each sealing steel plate is in contact with the upper surface of the other mounting plate but is not fixedly connected with the upper surface of the other mounting plate, the sealing steel plates cover and seal the part of the horizontal gap between the guard plate and the transverse header, and the bottoms of the front plate and the rear plate of the expansion joint are respectively in contact and seal with the upper surfaces of the sealing steel plates corresponding to the two sides.
The sealing steel plate can further cover and seal the part of the horizontal gap between the guard plate and the transverse header, and can seal the vertical gap between the bottom of the front plate and the bottom of the rear plate of the expansion joint and the upper surface of the corresponding mounting plate, so that the sealing effect is further improved.
According to the top sealing structure of the flue in the waste incineration waste heat furnace superheater area, the sealing covers are arranged on the end pipes of the corresponding serpentine pipe panels on the same mounting plate and are used for covering and sealing the expansion adaptation areas corresponding to the front ends and the rear ends of the end pipes, each sealing cover comprises an inner sealing folded plate and an outer sealing folded plate, semicircular holes are formed in the horizontal sections of each inner sealing folded plate and each outer sealing folded plate, the semicircular holes in each inner sealing folded plate and each outer sealing folded plate correspond to each other, a plurality of round holes are formed in the corresponding mode and are sleeved on the outer circle surfaces of the corresponding end pipes, the butt joint positions of the horizontal sections of the two sealing plates are welded and fixed, when the sealing structure is mounted, the bottoms of the vertical sections of the inner sealing folded plates are in contact sealing with the upper surfaces of the corresponding mounting plates, and the bottoms of the vertical sections of the outer sealing folded plates are in contact sealing mode, and the left ends and the right ends of the inner sealing folded plates and the outer sealing folded plates are respectively in contact sealing with the side plates of the corresponding expansion joints.
Through the cooperation between sealed cowling and backplate, sealed steel sheet and expansion joint curb plate, so set up, can effectively seal the expansion adaptation district of each end pipe front and back end of coiled pipe screen, further promote sealed effect.
According to the top sealing structure of the flue in the superheater area of the garbage incineration waste heat furnace, the inner end of the transverse header is fixedly provided with the plurality of supporting plates in a welding mode at intervals along the length direction of the transverse header, the mounting plates are fixedly welded on the upper parts of the supporting plates, and the supporting plates support the mounting plates.
So set up, the backup pad can form reliable effectual support fixed to the mounting panel.
According to the flue top sealing structure of the waste incineration waste heat furnace superheater area, the inner end and the outer end of the transverse header are welded and fixed with the arc-shaped mounting lining plates, the mounting lining plates at the outer end are welded and fixed with the top plate of the flue, the supporting plate is welded and fixed with the mounting lining plates at the inner end, and the outer end of the mounting plate is welded and fixed with the mounting lining plates at the inner end.
So set up, the installation welt can form the protection to horizontal collection case effectively, avoids flue roof, backup pad and mounting panel to be direct with horizontal collection case welded fastening.
According to the top sealing structure of the flue in the superheater area of the waste incineration waste heat furnace, the upper surface of each guard plate is fixedly welded with the reinforcing frame, the reinforcing frame comprises two transverse angle steels, longitudinal angle steels are fixedly welded between the two transverse angle steels, and the reinforcing frame is used for reinforcing the structural strength and rigidity of the guard plates.
The structure strength and rigidity of the guard plate can be effectively reinforced by the reinforcing frame, and the bearing capacity and deformation resistance of the guard plate are improved.
Compared with the prior art, the beneficial effects of adopting the technical scheme are as follows: the invention has simple and reasonable structure and low cost, does not need to arrange a ceiling pipe, can form effective and reliable seal for the rectangular mounting hole at the top of the flue, and can also enable the serpentine tube panel to effectively adapt to the thermal expansion of the flue.
Drawings
FIG. 1 is a top view of a rectangular mounting hole at the top plate of the flue in the present invention;
FIG. 2 is a front view of the present invention mated with the top of a flue;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a top view of the rear mounting plate of the present invention;
FIG. 5 is a top view of the rear edge guard of the present invention;
FIG. 6 is a top view of the invention mated with the top of the flue, without the expansion joint and seal housing included;
FIG. 7 is an enlarged view at B in FIG. 6;
FIG. 8 is a top view of the invention mated with the top of a flue, with an expansion joint included and a sealing boot not included;
FIG. 9 is an enlarged view of FIG. 8 at C;
FIG. 10 is a longitudinal cross-sectional view of an expansion joint according to the present invention;
FIG. 11 is a transverse cross-sectional view of an expansion joint according to the present invention;
FIG. 12 is a top view of the present invention mated with the top of a flue, including an expansion joint and a sealing boot;
FIG. 13 is an enlarged view of FIG. 12 at D;
FIG. 14 is a top view of the aft edge seal cover of the present invention;
FIG. 15 is a front view of the aft edge seal cover of the present invention.
Reference numerals: 1 is a transverse header, 2 is a rectangular mounting hole, 3 is a longitudinal header, 4 is a top plate, 5 is a mounting plate, 6 is a guard plate, 7 is a straight section, 8 is an end pipe, 9 is an arc section, 10 is an expansion adaptation area, 11 is a rectangular through hole, 12 is a plate-shaped hanging hoop, 13 is a horizontal gap, 14 is an expansion joint, 14-1 is a side plate, 14-2 is a front plate, 14-3 is a rear plate, 15 is a sealing steel plate, 16 is an inner sealing folded plate, 17 is an outer sealing folded plate, 18 is a semicircular hole, 19 is a supporting plate, 20 is a mounting lining plate, 21 is a reinforcing frame, 21-1 is angle steel, 22 is an external fixed foundation, 23 is an inlet header and 24 is an outlet header.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Description: the direction in the application is described, namely, the longitudinal direction along the flue length direction, namely, the front-back direction, and the transverse direction along the flue width direction, namely, the left-right direction; for the same component, in the longitudinal direction, one end close to the center of the rectangular mounting hole is an inner end, and one end far away from the center is an outer end.
Example 1
As shown in fig. 1 to 7, 10 and 11, the sealing structure of the top of the flue in the superheater area of the waste incineration furnace can be used for covering and arranging a heat preservation material layer, and comprises transverse headers 1, wherein the front and rear sides of a rectangular mounting hole 2 at the top of the flue are fixedly provided with the transverse headers 1, the left end and the right end of each transverse header 1 are respectively and fixedly connected with a longitudinal header 3 at the left end and the right end of the upper part of the flue through welding, the left end and the right end of each longitudinal header 3 form supporting and fixing for the two transverse headers 1, a top plate 4 of the flue is arranged between the left end and the right end of each longitudinal header 3, the rectangular mounting hole 2 is arranged on the top plate 4, and the outer ends of the two transverse headers 1 are respectively and fixedly welded with the corresponding flue top plates 4 of the front side and the rear side of the rectangular mounting hole 2;
the inner ends of the two lateral headers 1 are fixedly provided with a plurality of horizontal mounting plates 5 along the length direction at intervals, the mounting plates 5 on the two lateral headers 1 are in one-to-one correspondence, the inner ends of the mounting plates 5 are provided with a plurality of U-shaped notches along the length direction, each U-shaped notch comprises a straight section part 7 and an arc section part 9, two corresponding mounting plates 5 on two sides are respectively provided with a guard plate 6, the transverse width of each guard plate 6 is the same as that of each mounting plate 5, the outer ends of the two guard plates 6 are also provided with U-shaped notches along the length direction, the number of the U-shaped notches on the guard plates 6 is the same as that of the corresponding mounting plates 5, the outer ends of the two guard plates 6 are respectively correspondingly arranged on the upper surfaces of the mounting plates 5 on two sides, the straight sections 7 of the U-shaped notches on the mounting plates 5 and the guard plates 6 are vertically and correspondingly overlapped, the end pipes 8 of the transverse coiled pipe panels of the superheater vertically penetrate through the vertical corresponding overlapped straight sections 7, the arc sections 9 of the U-shaped notch are used as expansion adaptation areas 10, the inner ends of the two guard plates 6 are welded and fixed, a plurality of rectangular through holes 11 are formed in the inner ends of the two guard plates 6, the rectangular through holes 11 at the inner ends of the two guard plates 6 correspond to each other one by one, the rectangular through holes 11 are used for the plate-shaped hoops 12 of the coiled pipe panels to penetrate through, the plate-shaped hoops 12 vertically penetrate through the two rectangular through holes 11 corresponding to each other, the guard plates 6 are welded and fixed with the plate-shaped hoops 12, the mounting plates 5 and the guard plates 6 are heat-resistant steel plates, the plate-shaped hoops 12 form fixed support for the coiled pipe panels, the coiled pipe panels are stably and reliably hung in a flue, the plate-shaped hoops 12 are fixedly connected with an external fixed foundation 22, the two end pipes 8 of each row of serpentine pipe panels penetrate out of the top plate 4 and are respectively connected with the steam inlet header 23 and the steam outlet header 24;
horizontal gaps 13 are formed between the transversely adjacent guard plates 6 and between the mounting plates 5, expansion joints 14 are arranged on the horizontal gaps 13 in a covering mode, and bottoms of two side plates 14-1 of the expansion joints 14 are welded and fixed with upper surfaces of the adjacent guard plates 6 respectively.
Example 2
As shown in fig. 3, 7 to 11, on the basis of the embodiment 1, sealing steel plates 15 are mounted on the upper surfaces of the two mounting plates 5 adjacent to each other in the transverse direction, one end of each sealing steel plate 15 is welded and fixed to the upper surface of one mounting plate 5, the other end of each sealing steel plate 15 is in contact with the upper surface of the other mounting plate 5 but not fixedly connected thereto, the sealing steel plates 15 cover and seal the portion of the horizontal gap 13 between the guard plate 6 and the transverse header 1, the bottoms of the front plate 14-2 and the rear plate 14-3 of the expansion joint 14 are respectively in contact with and sealed with the upper surfaces of the sealing steel plates 15 corresponding to the two sides and are not fixed to each other, when the sealing steel plates are mounted, a part of the front end and the rear end of each expansion joint 14-1 is in contact and sealed with the upper surface of the sealing steel plates 15 and is not fixed to the upper surface of the sealing steel plates 15, the transverse width of each sealing steel plate 15 is the same as that of the expansion joint 14, and when the sealing steel plates 15 are deformed by transverse expansion, relative displacement occurs between the unfixed connecting ends of the sealing steel plates 15 and the side plates 14-1, a tiny gap appears between the portion of the sealing steel plates 14-1 on the sealing steel plates 15 and the upper surfaces of the sealing steel plates 15, and the sealing steel plates are not in contact with the upper surfaces.
Example 3
As shown in fig. 3, 12 to 15, on the basis of embodiment 2, a sealing cover is mounted on the end tube 8 of the corresponding serpentine tube panel on the same mounting plate 5, the sealing cover is used for covering and sealing the expansion adaptation areas 10 corresponding to the front and rear ends of each end tube 8, so as to avoid the leakage of smoke gas from the expansion adaptation areas 10, the sealing cover comprises an inner sealing folded plate 16 and an outer sealing folded plate 17, semicircular holes 18 are formed on the upper horizontal sections of the inner sealing folded plate 16 and the outer sealing folded plate 17, the semicircular holes 18 on the inner sealing folded plate 16 and the outer sealing folded plate 17 are in one-to-one correspondence, and are used for forming a plurality of whole circular holes correspondingly sleeved on the outer circle surfaces of each corresponding end tube 8, the butt joint parts of the horizontal sections of the two sealing plates are welded and fixed, when the sealing plate is mounted, the bottom of the vertical section of the inner sealing folded plate 16 is in contact sealing with the upper surface of the guard plate 6, the bottoms of the vertical sections of the outer sealing flaps 17 are in contact seal with the upper surfaces of the corresponding mounting plates 5, the left and right ends of the inner sealing flaps 16 and the outer sealing flaps 17 are in contact seal with the side plates 14-1 of the expansion joint 14 corresponding to the left and right ends, respectively, while the bottoms of the left and right ends of the outer sealing flaps 17 are also in contact seal with the ends of the sealing steel plates 15, and it is to be noted that the left ends of the leftmost inner sealing flaps 16 and the outer sealing flaps 17 are in contact seal with the longitudinal header 3 of the left end, the right ends of the rightmost inner sealing flaps 16 and the outer sealing flaps 17 are in contact seal with the side plates 14-1 of the corresponding expansion joint 14 and the ends of the sealing steel plates 15, respectively.
In addition, when the expansion and deformation are performed in the lateral direction, a relative displacement occurs between the unfixed connection end of the seal steel plate 15 and the outer seal flap 17, a minute gap occurs between the end of the outer seal flap 17 and the unfixed connection end of the seal steel plate 15, and a minute gap also occurs between the end of the inner seal flap 16 and the outer seal flap 17 and the side plate 14-1 of the expansion joint 14, and the minute gap is negligible, and by further covering the heat insulating material layer, smoke leakage can be avoided.
Example 4
As shown in fig. 2 and 3, on the basis of embodiment 3, a plurality of support plates 19 are welded and fixed at intervals along the length direction of the inner end of the transverse header 1, the mounting plates 5 are welded and fixed on the upper parts of the support plates 19, and the support plates 19 form a support for the mounting plates 5.
Further, the inner end and the outer end of the transverse header 1 are welded and fixed with arc-shaped mounting lining plates 20 in advance, the mounting lining plates 20 at the outer end are welded and fixed with the top plate 4 of the flue, the supporting plate 19 is welded and fixed with the mounting lining plates 20 at the inner end, and the outer end of the mounting plate 5 is welded and fixed with the mounting lining plates 20 at the inner end.
Example 5
As shown in fig. 2, 3 and 5, on the basis of embodiment 4, the upper surface of each guard plate 6 is welded and fixed with a reinforcing frame 21, the reinforcing frame 21 includes two transverse angle steel 21-1, and a longitudinal angle steel 21-1 is welded and fixed between the two transverse angle steel 21-1, and the reinforcing frame 21 is used for reinforcing the structural strength and rigidity of the guard plate 6.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed. It is intended that insubstantial changes or modifications from the invention as described herein be covered by the claims below, as viewed by a person skilled in the art, without departing from the true spirit of the invention.
Claims (6)
1. The utility model provides a waste incineration waste heat furnace superheater regional flue top seal structure which characterized in that:
the flue gas treatment device comprises a transverse header (1), wherein the front side and the rear side of a rectangular mounting hole (2) at the top of a flue are fixedly provided with the transverse header (1), the left end and the right end of the transverse header (1) are respectively and fixedly connected with a longitudinal header (3) at the left end and the right end of the upper part of the flue, the longitudinal header (3) supports and fixes the transverse header (1), and the transverse header (1) is respectively and correspondingly welded and fixed with a flue top plate (4) corresponding to the front side and the rear side of the rectangular mounting hole (2);
the inner ends of the transverse header (1) at two sides are fixedly provided with a plurality of horizontal mounting plates (5) at intervals along the length direction of the transverse header, the mounting plates (5) at two sides are in one-to-one correspondence, the inner ends of the mounting plates (5) are provided with a plurality of U-shaped notches along the length direction of the mounting plates, two corresponding mounting plates (5) at two sides are provided with guard plates (6), the guard plates (6) are the same as the transverse width of the mounting plates (5), the outer ends of the two guard plates (6) are also provided with the U-shaped notches with the same number as the corresponding mounting plates (5) along the length direction of the guard plates, the outer ends of the two guard plates (6) are correspondingly provided with the mounting plates (5) at two sides, the straight sections (7) of each U-shaped notch on the mounting plates (5) and the guard plates (6) are vertically overlapped, the end pipes (8) of each transverse coil screen of the superheater vertically penetrate through the vertically overlapped straight sections (7), the sections (9) of the U-shaped notches are used as expansion areas (10), the inner ends of the two guard plates (6) are fixedly provided with the corresponding U-shaped notches, the inner ends of the two guard plates (6) are correspondingly provided with the rectangular hanging hoops (12) and the hanging hoops (12) are fixedly connected with the hanging hoops (12);
horizontal gaps (13) are formed between the transversely adjacent guard plates (6) and between the mounting plates (5), expansion joints (14) are covered on the horizontal gaps (13), and bottoms of two side plates (14-1) of the expansion joints (14) are welded and fixed with upper surfaces of the adjacent guard plates (6) respectively;
the sealing structure can be used for covering and arranging a heat preservation material layer.
2. The waste incineration waste heat boiler superheater area flue top sealing structure according to claim 1, wherein: the upper surfaces of two transversely adjacent mounting plates (5) are provided with sealing steel plates (15), one end of each sealing steel plate (15) is fixedly welded with the upper surface of one mounting plate (5), the other end of each sealing steel plate is in contact with the upper surface of the other mounting plate (5) but not fixedly connected with the upper surface, the sealing steel plates (15) cover and seal the part of the horizontal gap (13) between the guard plate (6) and the transverse collecting box (1), and the bottoms of the front plate (14-2) and the rear plate (14-3) of the expansion joint (14) are respectively in contact and seal with the upper surfaces of the sealing steel plates (15) corresponding to the two sides.
3. The waste incineration waste heat boiler superheater area flue top sealing structure according to claim 1, wherein: install the sealed cowling on the end pipe (8) of the coiled pipe screen that corresponds on same piece mounting panel (5), the sealed cowling is used for covering and sealing the expansion adaptation district (10) of each end pipe (8) front and back end that corresponds, the sealed cowling includes interior seal flap (16) and outer seal flap (17), semicircle orifice (18) have all been seted up on the horizontal segment of interior seal flap (16) and outer seal flap (17), semicircle orifice (18) on interior seal flap (16) and outer seal flap (17) one-to-one, and be used for forming a plurality of whole round hole and correspond the suit in each corresponding end pipe (8) excircle surface, the butt joint department welded fastening of the horizontal segment of two seal flaps, when the installation is good, the vertical section bottom of interior seal flap (16) with backplate (6) upper surface contact seal, the bottom of the vertical segment of outer seal flap (17) and the upper surface contact seal of corresponding mounting panel (5), the left and right sides end of interior seal flap (16) and outer seal flap (17) respectively with expansion joint (14-1) of corresponding curb plate.
4. A waste incinerator superheater zone flue top seal structure according to any one of claims 1 to 3, characterised in that: the inner end of the transverse header (1) is fixedly provided with a plurality of supporting plates (19) at intervals along the length direction of the transverse header, the mounting plates (5) are fixedly welded on the upper parts of the supporting plates (19), and the supporting plates (19) support the mounting plates (5).
5. The waste incineration waste heat boiler superheater area flue top sealing structure according to claim 4, wherein: the inner end and the outer end of the transverse header (1) are fixedly welded with arc-shaped installation lining plates (20), the installation lining plates (20) at the outer end are fixedly welded with the top plate (4) of the flue, the supporting plates (19) are fixedly welded with the installation lining plates (20) at the inner end, and the outer end of the installation plate (5) is fixedly welded with the installation lining plates (20) at the inner end.
6. The waste incineration waste heat boiler superheater area flue top sealing structure according to claim 4, wherein: the upper surface welded fastening of every backplate (6) has braced frame (21), braced frame (21) include two horizontal angle steel (21-1), welded fastening has vertical angle steel (21-1) between two horizontal angle steel (21-1), braced frame (21) are used for to backplate (6) structural strength and rigidity strengthen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811104623.8A CN109185906B (en) | 2018-09-21 | 2018-09-21 | Top sealing structure of flue in superheater area of garbage incineration waste heat furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811104623.8A CN109185906B (en) | 2018-09-21 | 2018-09-21 | Top sealing structure of flue in superheater area of garbage incineration waste heat furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109185906A CN109185906A (en) | 2019-01-11 |
| CN109185906B true CN109185906B (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811104623.8A Active CN109185906B (en) | 2018-09-21 | 2018-09-21 | Top sealing structure of flue in superheater area of garbage incineration waste heat furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109185906B (en) |
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| CN104654335A (en) * | 2014-12-27 | 2015-05-27 | 哈尔滨锅炉厂有限责任公司 | Heat pipe sealing device and sealing device for flue |
| CN105222121A (en) * | 2015-10-22 | 2016-01-06 | 浙江伟明环保股份有限公司 | A kind of boiler economizer |
| CN206207421U (en) * | 2016-11-17 | 2017-05-31 | 广州广重企业集团有限公司 | A kind of horizontal flue top sealing structure of refuse incineration exhaust-heating boiler system |
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2018
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