CN203926918U - A kind of air driving reversing device for continuous high-temperature air burning system - Google Patents
A kind of air driving reversing device for continuous high-temperature air burning system Download PDFInfo
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- CN203926918U CN203926918U CN201420104195.XU CN201420104195U CN203926918U CN 203926918 U CN203926918 U CN 203926918U CN 201420104195 U CN201420104195 U CN 201420104195U CN 203926918 U CN203926918 U CN 203926918U
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- window frame
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- axle part
- damper blade
- air
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Abstract
The utility model relates to a kind of air driving reversing device for continuous high-temperature air burning system, belongs to high-temperature air burning field; This device comprises damper blade, axle part, window frame, flow outlet passage; Wherein, damper blade comprises blade, blade main shaft, three-support; Window frame comprises window frame axle part fixing device, window frame mouth; The blade pass of described damper blade is crossed three-support and is connected on blade main shaft, in the middle of its Leaf main shaft, is hollow structure; Axle part is assemblied in blade main shaft, and axle part is through the fixing device of window frame, and fixes at axle part and fixing device assembling two ends employing bearing pin, prevents that axle part from skidding off fixing device; Compared with four-way change-over valve, the in the situation that of identical ventilation, its volume weight is all less, can save high temperature metallic material use amount, and processing and fabricating is simple, compact structure, manufacture and operating cost is low, long service life.
Description
Technical field
The utility model relates to a kind of air driving reversing device for continuous high-temperature air burning system, belongs to high-temperature air burning field.
Background technique
HTAC is the advanced combustion technology of a kind of not only energy-conservation but also environmental protection that grew up in recent years, and at present, this technology has obtained application comparatively widely, and has obtained good economy and environment benefit.
The application form of HTAC mainly contains two kinds, the first is switching type Regenerative Combustion System, its device comprises burner, selector valve, thermal accumulator and a control system, feature is that burner is all laid in pairs, when operation one as burner, another discharges high-temperature flue gas outside stove as smoke outlet, the heat-accumulating material that the waste heat of high-temperature flue gas is attached thereto simultaneously absorbs, two burner cycle rotations are used, and two regenerator of answering in contrast also realize the thermal process of the heat release of alternately absorbing heat.The second is continous way Regenerative Combustion Technology, and the development of this technology is slightly later to switching type Regenerative Combustion Technology, and Chinese scholars has proposed multiple arrangement.Wherein use the arrangement of two four-way change-over valves of high and low temperature to have a problem, exactly because one of them four-way change-over valve is to be laid in high temperature side, the high-temperature flue gas of process and high temperature air are all more than 900 degree, operating mode is severe, thermal stress is serious, for the larger device of the such volume of four-way change-over valve, just need to consume during fabrication the refractory steel of more costliness, and two four-way change-over valves of high and low temperature must coordinated operation, so also need to increase some power equipments and complicated circuit and solve the interlock problem of two four-way change-over valves.In addition, due to operating mode difference, make working life of two four-way change-over valves of high temperature side and low temperature side different, safeguard so also increased workload and the cost changed.
Summary of the invention
The purpose of this utility model has been to propose a kind of air driving reversing device for continuous high-temperature air burning system, and this device can replace high temperature side four-way change-over valve to replace it to control airflow-reversing.
For achieving the above object, the technical solution adopted in the utility model is a kind of air driving reversing device for continuous high-temperature air burning system, and this device comprises damper blade, axle part, window frame, flow outlet passage; Wherein, damper blade comprises blade, blade main shaft, three-support; Window frame comprises window frame axle part fixing device, window frame mouth; The blade pass of described damper blade is crossed three-support and is connected on blade main shaft, in the middle of its Leaf main shaft, is hollow structure; Axle part is assemblied in blade main shaft, and axle part is through the fixing device of window frame, and fixes at axle part and fixing device assembling two ends employing bearing pin, prevents that axle part from skidding off fixing device; Described axle part can rotate freely in fixing device; Described window frame is arranged on the cross section of flow outlet passage; The window frame mouth that window frame has is required according to continuous high-temperature air burning system, and its window frame mouth quantity can be 2-10; Described damper blade, axle part, window frame mouth form a set of pneumatic commutating structure, and in flow outlet passage, on same cross section, the pneumatic commutating structure that the multiple window frame mouths that have on window frame form forms air driving reversing device jointly; On the interior cross section of same flow outlet passage that continuous high-temperature air passes, two groups of adjacent pneumatic commutating structures are installed, two groups of damper blade opposite directions that pneumatic commutating structure is installed, and one group, two groups of structures can pass through high temperature air, and another group can not be passed through high temperature air; The matching relationship of the blade of described window frame mouth and damper blade adopts stepped groove boss structure; Be laid with high-temperature-resisting silicon rubber packing ring with viscose glue in described groove, in the time that damper blade is closed, the projection in damper blade is bumped in the groove of framework like this, the sealing that makes damper blade more well, inleakage still less; Described damper blade can only be rotated around axle part to a direction, and rotation amplitude scope is for being greater than 0 °, is less than 180 °.
Compared with prior art, the utlity model has following beneficial effect.
Compared with four-way change-over valve, the in the situation that of identical ventilation, its volume weight is all less, can save high temperature metallic material use amount, and processing and fabricating is simple, compact structure, manufacture and operating cost is low, long service life.
Brief description of the drawings
Fig. 1 a is damper blade front schematic view.
Fig. 1 b is damper blade schematic rear view.
Fig. 2 is air door framework and axle part schematic diagram.
Louvre type air door schematic diagram before Fig. 3 a in periodic duty.
Fig. 3 b is operating louvre type air door schematic diagram of rear cycle.
Fig. 4 is a kind of continuous high-temperature air burning system layout method schematic diagram that uses air driving reversing device.
Fig. 5 is an a kind of application example of continuous high-temperature air burning system of Novel belt air driving reversing device.
In figure: 1, damper blade, 2, axle part, 3, window frame, 4, flow outlet passage, 5, induced draught fan, 6, four-way change-over valve, 7, honeycomb ceramic heat accumulator, 8, louvre type air door; 9, blower; 10, burner; 11, stove; 12, flue; A, B represent respectively a regenerator, and C, D, E, F represent respectively an air door.
Embodiment
Below in conjunction with an example, specific implementation method of the present utility model is described in further detail.
As shown in Fig. 1 a-3b, a kind of air driving reversing device for continuous high-temperature air burning system, this device comprises damper blade 1, axle part 2, window frame 3, flow outlet passage 4; Wherein, damper blade 1 comprises blade 1.1, blade main shaft 1.2, three-support 1.3; Window frame 3 comprises window frame axle part fixing device 3.1, window frame mouth 3.2; The blade 1.1 of described damper blade 1 is connected on blade main shaft 1.2 by three-support 1.3, in the middle of its Leaf main shaft 1.2, is hollow structure; Axle part 2 is assemblied in blade main shaft 1.2, and axle part 2 is through the fixing device 3.1 of window frame 3, and assembles two ends in axle part 2 and fixing device 3.1 and adopt bearing pin to fix, and prevents that axle part 2 from skidding off fixing device 3.1; Described axle part 2 can rotate freely in fixing device 3.1; Described window frame 3 is arranged on the cross section of flow outlet passage 4; The window frame mouth 3.2 that window frame 3 has is required according to continuous high-temperature air burning system, and its window frame mouth 3.2 quantity can be 2-10; Described damper blade 1, axle part 2, window frame mouth 3.2 form a set of pneumatic commutating structure, and on the interior same cross section of flow outlet passage 4, the pneumatic commutating structure that the multiple window frame mouths 3.2 that have on window frame 3 form forms air driving reversing device jointly; On the interior cross section of same flow outlet passage 4 that continuous high-temperature air passes, two groups of adjacent pneumatic commutating structures are installed, two groups of damper blade 1 opposite directions that pneumatic commutating structure is installed, and one group, two groups of structures can pass through high temperature air, and another group can not be passed through high temperature air; Described window frame mouth 3.2 adopts stepped groove boss structure with the matching relationship of the blade 1.1 of damper blade 1; Be laid with high-temperature-resisting silicon rubber packing ring with viscose glue in described groove, in the time that damper blade 1 is closed, the projection in damper blade 1 is bumped in the groove of framework like this, the sealing that makes damper blade 1 more well, inleakage still less; Described damper blade 1 can only be rotated around axle part 2 to a direction, and rotation amplitude scope is for being greater than 0 °, is less than 180 °.
The import and export of two damper blade 1 as air-flow are at least arranged in the high temperature air cross section of each flow outlet passage, and the passage of independent pipeline separately of each damper blade 1 outside connection; Damper blade 1 relies on air-flow pressure head and self gravitation to be used for open and close action, does not need separately to add power equipment, is conducive to reduce operating cost; Its structural configuration is identical with shutter, two damper blade 1 side by side, oppositely lay, make direction that an one damper blade 1 can the folding direction in gas flow stove, the direction of the direction of another damper blade 1 outside gas flow stove, in system running, stay open because airflow function will make an air door automatically like this, another remains closed, be equipped with again external pipeline independently of one another, thereby can replace four-way change-over valve to realize the commutation of flue gas and air.
Embodiment
As shown in Fig. 4-5, the utility model is cycling service while being applied to continuous high-temperature air burning system, and each cycle was made up of former and later two halftimes.Before system, the running of halftime is: the Cryogenic air from environment is sent into regenerator A by blower 9, honeycomb ceramic heat accumulator is heated as high temperature air, send into burner via air door C again, flue gas in stove enters regenerator B via flue, air door E and discharges waste heat to heat retainer, and the low-temperature flue gas discharging after waste heat enters surrounding environment by four-way change-over valve 6, induced draught fan 5; The later half cycle of system is: four-way change-over valve commutates, Cryogenic air is sent into regenerator B by blower 9, be heated as high temperature air, via air door, F enters burner, flue gas enters regenerator A via flue, air door D and discharges waste heat to heat retainer, and the low-temperature flue gas discharging after waste heat enters surrounding environment by four-way change-over valve 6, induced draught fan 5.
Channel size is determined by the Calculation for smoking emission of stove.With 20000m
3/ h exhaust smoke level flue gas flow rate 10m
3/ s is that example is calculated, and channel cross-section size is selected 810mm × 810mm, and regenerator external frame is welded by the general steel plate of 10mm thickness, and inner surrounding is laid thermal insulating material and refractory brick.A continuous high-temperature air burning system comprises at least two regenerator, rotation heat absorption and release.Can make a regenerator to one or several burner air feed.Each regenerator is assigned to few two air doors, by two air doors side by side, reversed arrangement, one sucks high-temperature flue gas, another is used for discharging high temperature air.Each continuous high-temperature air burning system comprises at least four air doors like this, and wherein the high temperature air export the breeze door in two regenerator, by external pipeline, is connected to respectively burner; Two high-temperature flue gas imports connect flue by external pipeline.In this example, air door is made up of a framework and 3 blades, and material therefor is the heat-resisting steel sheet and plate of 5mm thickness, ensures that it has enough rigidity to prevent distortion or to damage.Blade dimensions is 180mm × 290mm, as shown in Fig. 1 a, 1b, face of blade surrounding has the raised edges that 5mm is high, an equilateral triangle steel disc that the length of side is 20mm of the each welding in both sides, vacuum side of blade top, play position-limiting action, while preventing that blade from opening, turn over and the closure that cannot correctly fall on excessively.Frame size is 300mm × 650mm, frame mid portion is evenly offered three oblong aperture that are of a size of 150mm × 270mm, as air-flow path, on fixed frame, the part corresponding with blade is made with the groove that 8mm is dark, in groove, be deposited with a circle high-temperature-resisting silicon rubber pad with ZS-1071 type high-temperature glue, play the effect of vibration damping and sealing, make the sealing of air door better, as shown in Figure 2.Blade is connected on air door framework by axostylus axostyle.Each air door arranges an independently external pipeline, makes two air doors connect respectively burner and flue.Air door is arranged on a side of regenerator high-temperature gas turnover, and distance between honeycomb ceramic heat accumulator is 500mm.Two air door frameworks firmly weld with regenerator steel body framework side by side.Water-cooled pipeline is laid in corresponding regenerator outside.Low temperature straight cross commutator connects two regenerator and two blower fans by four external pipelines.
Claims (5)
1. for an air driving reversing device for continuous high-temperature air burning system, it is characterized in that: this device comprises damper blade (1), axle part (2), window frame (3), flow outlet passage (4); Wherein, damper blade (1) comprises blade (1.1), blade main shaft (1.2), three-support (1.3); Window frame (3) comprises window frame axle part fixing device (3.1), window frame mouth (3.2); It is upper that the blade (1.1) of described damper blade (1) is connected to blade main shaft (1.2) by three-support (1.3), in the middle of its Leaf main shaft (1.2), is hollow structure; Axle part (2) is assemblied in blade main shaft (1.2), and axle part (2) is through the fixing device (3.1) of window frame (3), and adopt bearing pin to fix at axle part (2) and fixing device (3.1) assembling two ends, prevent that axle part (2) from skidding off fixing device (3.1); Described axle part (2) can rotate freely in fixing device (3.1); Described window frame (3) is arranged on the cross section of flow outlet passage (4); The window frame mouth (3.2) that window frame (3) has is required according to continuous high-temperature air burning system; ; Described damper blade (1), axle part (2), window frame mouth (3.2) form a set of pneumatic commutating structure, in flow outlet passage (4), on same cross section, the pneumatic commutating structure that the multiple window frame mouths (3.2) that have on window frame (3) form forms air driving reversing device jointly; On the interior cross section of same flow outlet passage (4) that continuous high-temperature air passes, two groups of adjacent pneumatic commutating structures are installed, two groups of damper blade (1) opposite directions that pneumatic commutating structure is installed, and one group, two groups of structures can pass through high temperature air, and another group can not be passed through high temperature air; Described window frame mouth (3.2) adopts stepped groove boss structure with the matching relationship of the blade (1.1) of damper blade (1); Be laid with high-temperature-resisting silicon rubber packing ring with viscose glue in described groove, in the time that damper blade (1) is closed, the projection in damper blade (1) is bumped in the groove of framework like this, the sealing that makes damper blade (1) more well, inleakage still less.
2. a kind of air driving reversing device for continuous high-temperature air burning system according to claim 1, it is characterized in that: the import and export of two damper blade (1) as air-flow are at least arranged in the high temperature air cross section of each flow outlet passage, and the passage of independent pipeline separately of each damper blade (1) outside connection; Damper blade (1) relies on air-flow pressure head and self gravitation to be used for open and close and moves, and does not need separately to add power equipment, is conducive to reduce operating cost; Its structural configuration is identical with shutter, two damper blade (1) side by side, oppositely lay, make direction that an one damper blade (1) can the folding direction in gas flow stove, the direction of the direction of another damper blade (1) outside gas flow stove, like this in system running, because will making an air door automatically, airflow function stays open, another remains closed, be equipped with again external pipeline independently of one another, thereby can replace four-way change-over valve to realize the commutation of flue gas and air.
3. a kind of air driving reversing device for continuous high-temperature air burning system according to claim 1, it is characterized in that: described damper blade (1) can only be rotated around axle part (2) to a direction, and rotation amplitude scope, for being greater than 0 °, is less than 180 °.
4. a kind of air driving reversing device for continuous high-temperature air burning system according to claim 1, is characterized in that: window frame mouth (3.2) quantity is 2-10.
5. a kind of air driving reversing device for continuous high-temperature air burning system according to claim 1, is characterized in that: while being applied to continuous high-temperature air burning system, be cycling service, each cycle was made up of former and later two halftimes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420104195.XU CN203926918U (en) | 2014-03-09 | 2014-03-09 | A kind of air driving reversing device for continuous high-temperature air burning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420104195.XU CN203926918U (en) | 2014-03-09 | 2014-03-09 | A kind of air driving reversing device for continuous high-temperature air burning system |
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| Publication Number | Publication Date |
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| CN203926918U true CN203926918U (en) | 2014-11-05 |
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| CN201420104195.XU Expired - Fee Related CN203926918U (en) | 2014-03-09 | 2014-03-09 | A kind of air driving reversing device for continuous high-temperature air burning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867754A (en) * | 2014-03-09 | 2014-06-18 | 北京工业大学 | Pneumatic reversing device for continuous high-temperature air combustion system |
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2014
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867754A (en) * | 2014-03-09 | 2014-06-18 | 北京工业大学 | Pneumatic reversing device for continuous high-temperature air combustion system |
| CN103867754B (en) * | 2014-03-09 | 2017-01-25 | 北京工业大学 | Pneumatic reversing device for continuous high-temperature air combustion system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20170309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |