CN210345506U - Smoke box structure of high-temperature smoke cooling device - Google Patents
Smoke box structure of high-temperature smoke cooling device Download PDFInfo
- Publication number
- CN210345506U CN210345506U CN201920780258.6U CN201920780258U CN210345506U CN 210345506 U CN210345506 U CN 210345506U CN 201920780258 U CN201920780258 U CN 201920780258U CN 210345506 U CN210345506 U CN 210345506U
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- Prior art keywords
- smoke box
- flue
- smoke
- loudspeaker form
- cooling device
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- 239000000779 smoke Substances 0.000 title claims abstract description 116
- 238000001816 cooling Methods 0.000 title claims abstract description 39
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 18
- 239000003546 flue gas Substances 0.000 description 18
- 239000000428 dust Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a smoke box structure of a high-temperature smoke cooling device, wherein the upper part of the smoke box is fixedly supported on a frame through a plurality of upper supporting beams, and the lower part of the smoke box is movably supported on the frame through a plurality of lower supporting beams; all be provided with a antivibration structure between every upper support beam and smoke box and between every lower support beam and smoke box, the antivibration structure be: all the cover is equipped with the tube-shape expansion joint on every supporting beam or the lower supporting beam, the tube-shape expansion joint comprises left loudspeaker form barrel and right loudspeaker form barrel, and left loudspeaker form barrel main aspects and the smooth transitional coupling of right loudspeaker form barrel main aspects constitute an organic whole, left loudspeaker form barrel left side is sealed to be pasted on the smoke box lateral surface, the fixed supporting plate that is provided with on right loudspeaker form barrel, the tube-shape expansion joint passes through the fixed setting of supporting plate on corresponding supporting beam or lower supporting beam. The structure has high temperature resistance and vibration reduction functions, and the service life of the smoke box is greatly prolonged.
Description
Technical Field
The utility model relates to a high temperature flue gas cooling device especially relates to a high temperature flue gas cooling device's smoke box structure.
Background
The heat loss of the exhaust smoke is the largest one of various heat losses of the coal-fired boiler, and accounts for more than 75% of the total heat loss of the coal-fired boiler. The main factor causing the heat loss of the exhaust gas is the exhaust gas temperature, and in general, every 10 ℃ increase of the exhaust gas temperature is as follows: the heat loss of the exhaust gas is increased by 0.6-1%, and the heat consumption is increased by 1.2-2.4%. In addition, the too high utilization ratio that not only can seriously reduce the energy of exhaust gas temperature still can influence follow-up desulfurization flue gas processing system that handles to the flue gas greatly: the dust removal efficiency of the dust remover is reduced, and the water consumption of the desulfurizing tower is increased.
At present, a high-temperature flue gas cooling device is arranged at a flue gas outlet of a coal-fired boiler to reduce the temperature of discharged flue gas and realize the recovery of heat energy of the discharged flue gas. The smoke box in the high-temperature smoke cooling device is fixedly arranged on the supporting rack, and when the high-temperature smoke cooling device operates, the smoke box is influenced by high-temperature smoke and the operation of a cooling module arranged in the smoke box, so that the smoke box can expand with heat and contract with cold and vibrate, and the service life of the smoke box is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve is: the high-temperature flue gas cooling device is high-temperature resistant and has a vibration reduction function.
In order to solve the above problem, the utility model adopts the following technical scheme: the smoke box structure of the high-temperature smoke cooling device comprises: the device comprises a rack and a smoke box consisting of a horn-shaped smoke inlet flue, a middle flue and a horn-shaped smoke outlet flue, wherein the upper part of the smoke box is fixedly supported on the rack through a plurality of upper supporting beams, and the lower part of the smoke box is movably supported on the rack through a plurality of lower supporting beams; all be provided with a antivibration structure between every upper support beam and smoke box and between every lower support beam and smoke box, the antivibration structure be: all the cover is equipped with the tube-shape expansion joint on every supporting beam or the lower supporting beam, the tube-shape expansion joint comprises left loudspeaker form barrel and right loudspeaker form barrel, and left loudspeaker form barrel main aspects and the smooth transitional coupling of right loudspeaker form barrel main aspects constitute an organic whole, left loudspeaker form barrel left side is sealed to be pasted on the smoke box lateral surface, the fixed supporting plate that is provided with on right loudspeaker form barrel, the tube-shape expansion joint passes through the fixed setting of supporting plate on corresponding supporting beam or lower supporting beam.
Further, aforementioned smoke box structure of high temperature flue gas cooling device, wherein, the middle section flue constitute by first flue and second flue, first flue and second flue pass through flue expansion joint sealing connection, the flue expansion joint comprises last tubaeform barrel and lower tubaeform barrel, and goes up tubaeform barrel main aspects and the smooth transitional coupling of lower tubaeform barrel main aspects and constitute integratively.
Further, the smoke box structure of the high-temperature smoke cooling device comprises a middle flue, a middle flue and a corrugated pipe, wherein the middle flue is composed of a first flue and a second flue, and the first flue and the second flue are hermetically connected through the corrugated pipe made of high-temperature-resistant and corrosion-resistant materials.
Further, in the smoke box structure of the high-temperature smoke cooling device, the end portions of the lower support beams are fixedly provided with the sliding support seats, the rack is provided with the sliding grooves corresponding to the sliding support seats, and the bottoms of the sliding support seats are movably arranged in the corresponding sliding grooves.
Further, in the smoke box structure of the high-temperature smoke cooling device, the smoke box above each upper support beam is fixedly provided with an upper support base, and each upper support base is fixedly supported on the corresponding upper support beam through an upper i-beam; the smoke box above each lower supporting beam is fixedly provided with a lower supporting seat, and each lower supporting seat is arranged on the corresponding lower supporting beam through a lower I-shaped steel fixed support.
Further, aforementioned smoke box structure of high temperature flue gas cooling device, wherein, all fixedly on being located the frame of each upper supporting beam both ends tip and lower supporting beam both ends tip and being provided with spacing channel-section steel.
Further, the smoke box structure of the high-temperature smoke cooling device is characterized in that at least one access door is further arranged on the smoke box.
Further, aforementioned smoke box structure of high temperature flue gas cooling device, wherein, still be provided with the ash removal device that removes dust to each cooling heat transfer module in the smoke box inner chamber on the smoke box, ash removal device's structure be: a plurality of air blowing connecting holes are formed in the smoke box, air outlets of a plurality of high-pressure air pipes penetrate through the corresponding air blowing connecting holes in the smoke box in a sealing mode and extend into the inner cavity of the smoke box, and air inlets of the high-pressure air pipes are connected with a high-pressure air source.
The beneficial effects of the utility model are that ① high temperature flue gas cooling device when operation, through the expend with heat and contract with cold surplus of adjustment smoke box of cooperation compensation of flue expansion joint, each tube-shape expansion joint and each sliding support seat and corresponding spout, the smoke box high temperature resistance can be good, ② high temperature flue gas cooling device when operation, carries out the damping through flue expansion joint and each tube-shape expansion joint to the smoke box, has prolonged the life of smoke box greatly.
Drawings
Fig. 1 is a schematic structural diagram of a smoke box structure of a high-temperature smoke cooling device of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a schematic structural view of the cylindrical expansion joint of fig. 2.
Fig. 4 is a schematic view of the structure in the right-hand direction of fig. 3.
Fig. 5 is a partial sectional structural view of fig. 3.
Fig. 6 is a partially enlarged schematic structural view of a portion B in fig. 1.
Fig. 7 is a partially enlarged structural view of a portion C in fig. 1.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, the smoke box structure of the high temperature smoke cooling device according to this embodiment includes: frame 1 and the smoke box that comprises loudspeaker form smoke inlet flue 21, middle section flue and loudspeaker form smoke outlet flue 22, smoke box upper portion sets up on frame 1 through a plurality of upper supporting beam 3 fixed stay, and the smoke box lower part sets up on frame 1 through a plurality of lower supporting beam 4 movable stay. Wherein, the smoke box lower part sets up the concrete structure on frame 1 through a plurality of lower supporting beam 4 movable support and does: each lower support beam 4 is fixedly provided with a slide support 41 at an end thereof, the frame 1 is provided with a slide groove 42 corresponding to each slide support 41, and the bottom of each slide support 41 is movably disposed in the corresponding slide groove 42. When the high-temperature flue gas cooling device operates, the expansion and contraction allowance of the smoke box can be compensated and adjusted by sliding each sliding support seat 41 in the corresponding sliding groove 42. In this embodiment, at least one access door is further provided on the smoke box.
As shown in fig. 2, 3, 4 and 5, a vibration-proof structure is provided between each upper support beam 3 and the smoke box and between each lower support beam 4 and the smoke box, and the vibration-proof structure is: all the cover is equipped with tube-shape expansion joint 5 on every upper supporting beam 3 or lower supporting beam 4, tube-shape expansion joint 5 comprises left loudspeaker form barrel 51 and right loudspeaker form barrel 52, and the main aspects of left loudspeaker form barrel 51 and the smooth transitional coupling of main aspects of right loudspeaker form barrel 52 constitute an organic whole, left loudspeaker form barrel 51 left side is sealed to be leaned on the smoke box lateral surface, fixed supporting plate 53 that is provided with on right loudspeaker form barrel 52, tube-shape expansion joint 5 is fixed to be set up on corresponding upper supporting beam 3 or lower supporting beam 4 through supporting plate 53. In actual manufacturing, each upper support beam 3 and each lower support beam 4 usually adopt a rectangular cylindrical structure, and the inner and outer contours of the cylindrical expansion joint 5 are rectangular ring structures surrounding the rectangular cylindrical surface of the corresponding upper support beam 3 or the rectangular cylindrical surface of the corresponding lower support beam 4. When the high-temperature flue gas cooling device operates, the vibration reduction purpose is realized by compressing the distance H between the left horn-shaped cylinder 51 and the right horn-shaped cylinder 52 and releasing the force exerted on the left horn-shaped cylinder 51 and the right horn-shaped cylinder 52 to ensure that the small end of the left horn-shaped cylinder 51 and the small end of the right horn-shaped cylinder 52 are respectively away in the opposite directions.
As shown in fig. 1 and fig. 6, the middle flue comprises a first flue 23 and a second flue 24, the first flue 23 and the second flue 24 are connected in a sealing manner by a flue expansion joint 6, the flue expansion joint 6 comprises an upper trumpet-shaped cylinder 61 and a lower trumpet-shaped cylinder 62, the lower end of the first flue 23 is connected with the small end of the upper trumpet-shaped cylinder 61 in a sealing manner, the upper end of the second flue 24 is connected with the small end of the lower trumpet-shaped cylinder 62 in a sealing manner, and the large end of the upper trumpet-shaped cylinder 61 is connected with the large end of the lower trumpet-shaped cylinder 62 in a smooth transition manner to form a whole. In actual manufacturing production, each smoke box usually adopts a rectangular cylindrical structure, in this case, the inner and outer contours of the flue expansion joint 6 are rectangular ring structures surrounding the rectangular cylindrical surface of the smoke box, and in this case, the specific structure of the flue expansion joint 6 can refer to the structure of the cylindrical expansion joint 5 in fig. 4. The specific working principle of the flue expansion joint 6 is the same as that of the cylindrical expansion joint 5. In actual manufacturing production, the first flue 23 and the second flue 24 can also be hermetically connected by a corrugated pipe made of high-temperature-resistant and corrosion-resistant material.
As shown in fig. 1 and 2, the smoke box above each upper support beam 3 is fixedly provided with an upper support seat 7, and each upper support seat 7 is fixedly supported on the corresponding upper support beam 3 through an upper i-beam 71. All fixedly provided with the lower supporting seat 8 on the smoke box that is located each lower supporting beam 4 top, each lower supporting seat 8 sets up on corresponding lower supporting beam 4 through I-shaped steel 81 fixed stay down.
As shown in fig. 1, 2, and 7, a stopper channel 9 is fixed to the frame 1 at both end portions of each upper support beam 3 and both end portions of each lower support beam 4. Namely: the transverse positions of the upper supporting beams 3 and the lower supporting beams 4 are limited by corresponding limiting channel steel 9.
As shown in fig. 1, the smoke box is further provided with a dust cleaning device for removing dust from each cooling heat exchange module in the inner cavity of the smoke box, and the structure of the dust cleaning device is as follows: a plurality of air blowing connecting holes 10 are formed in the smoke box, air outlets of a plurality of high-pressure air pipes penetrate through the corresponding air blowing connecting holes 10 in the smoke box in a sealing mode and extend into an inner cavity of the smoke box, and air inlets of the high-pressure air pipes 10 are connected with a high-pressure air source. The ash removal device is arranged to shape and regularly remove ash for each cooling heat exchange module in the inner cavity of the smoke box, so that ash deposition is reduced, and the cooling effect of the high-temperature smoke cooling device is further improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any modifications or equivalent changes made in accordance with the technical spirit of the present invention are also within the scope of the present invention.
The utility model has the advantages that ① high temperature flue gas cooling device compensates and adjusts the expansion and contraction allowance of the smoke box through the cooperation of the flue expansion joint 6, each cylindrical expansion joint 5, each sliding support seat 41 and the corresponding sliding groove 42 when in operation, the high temperature resistance of the smoke box is good, ② high temperature flue gas cooling device reduces the vibration of the smoke box through the flue expansion joint 6 and each cylindrical expansion joint 5 when in operation, and the service life of the smoke box is greatly prolonged.
Claims (8)
1. A smoke box structure of a high-temperature smoke cooling device comprises: frame and enter the smoke box that smoke flue, middle section flue and loudspeaker form play smoke flue constitute by loudspeaker form, its characterized in that: the upper part of the smoke box is fixedly supported on the rack through a plurality of upper supporting beams, and the lower part of the smoke box is movably supported on the rack through a plurality of lower supporting beams; all be provided with a antivibration structure between every upper support beam and smoke box and between every lower support beam and smoke box, the antivibration structure be: all the cover is equipped with the tube-shape expansion joint on every supporting beam or the lower supporting beam, the tube-shape expansion joint comprises left loudspeaker form barrel and right loudspeaker form barrel, and left loudspeaker form barrel main aspects and the smooth transitional coupling of right loudspeaker form barrel main aspects constitute an organic whole, left loudspeaker form barrel left side is sealed to be pasted on the smoke box lateral surface, the fixed supporting plate that is provided with on right loudspeaker form barrel, the tube-shape expansion joint passes through the fixed setting of supporting plate on corresponding supporting beam or lower supporting beam.
2. The smoke box structure of the high-temperature smoke cooling device according to claim 1, wherein: the middle section flue constitute by first flue and second flue, first flue and second flue pass through flue expansion joint sealing connection, the flue expansion joint comprises last loudspeaker form barrel and lower loudspeaker form barrel, and goes up loudspeaker form barrel main aspects and constitutes integratively with the smooth transitional coupling of lower loudspeaker form barrel main aspects.
3. The smoke box structure of the high-temperature smoke cooling device according to claim 1, wherein: the middle section flue is composed of a first flue and a second flue, and the first flue and the second flue are hermetically connected through a corrugated pipe made of high-temperature-resistant and corrosion-resistant materials.
4. The smoke box structure of high temperature smoke cooling device according to claim 1, 2 or 3, characterized in that: the end parts of the lower supporting beams are fixedly provided with sliding supporting seats, the rack is provided with sliding chutes corresponding to the sliding supporting seats, and the bottoms of the sliding supporting seats are movably arranged in the corresponding sliding chutes.
5. The smoke box structure of high temperature smoke cooling device according to claim 1, 2 or 3, characterized in that: the smoke box above each upper supporting beam is fixedly provided with an upper supporting seat, and each upper supporting seat is fixedly supported on the corresponding upper supporting beam through an upper I-shaped steel; the smoke box above each lower supporting beam is fixedly provided with a lower supporting seat, and each lower supporting seat is arranged on the corresponding lower supporting beam through a lower I-shaped steel fixed support.
6. The smoke box structure of high temperature smoke cooling device according to claim 1, 2 or 3, characterized in that: and limiting channel steel is fixedly arranged on the racks at the end parts of the two ends of each upper supporting beam and the end parts of the two ends of each lower supporting beam.
7. The smoke box structure of the high-temperature smoke cooling device according to claim 1, wherein: at least one access door is also arranged on the smoke box.
8. The smoke box structure of the high-temperature smoke cooling device according to claim 1, wherein: still be provided with ash removal device on the smoke box, ash removal device's structure do: a plurality of air blowing connecting holes are formed in the smoke box, air outlets of a plurality of high-pressure air pipes penetrate through the corresponding air blowing connecting holes in the smoke box in a sealing mode and extend into the inner cavity of the smoke box, and air inlets of the high-pressure air pipes are connected with a high-pressure air source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920780258.6U CN210345506U (en) | 2019-05-28 | 2019-05-28 | Smoke box structure of high-temperature smoke cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920780258.6U CN210345506U (en) | 2019-05-28 | 2019-05-28 | Smoke box structure of high-temperature smoke cooling device |
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| Publication Number | Publication Date |
|---|---|
| CN210345506U true CN210345506U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920780258.6U Expired - Fee Related CN210345506U (en) | 2019-05-28 | 2019-05-28 | Smoke box structure of high-temperature smoke cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145751A (en) * | 2019-05-28 | 2019-08-20 | 江苏龙净节能科技有限公司 | A kind of smoke box structure of high-temperature flue gas cooling device |
-
2019
- 2019-05-28 CN CN201920780258.6U patent/CN210345506U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145751A (en) * | 2019-05-28 | 2019-08-20 | 江苏龙净节能科技有限公司 | A kind of smoke box structure of high-temperature flue gas cooling device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |