CN203605771U - Bidirectional convection corrugated plate air heat exchanger - Google Patents
Bidirectional convection corrugated plate air heat exchanger Download PDFInfo
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- CN203605771U CN203605771U CN201320818352.9U CN201320818352U CN203605771U CN 203605771 U CN203605771 U CN 203605771U CN 201320818352 U CN201320818352 U CN 201320818352U CN 203605771 U CN203605771 U CN 203605771U
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Abstract
A bidirectional convection corrugated plate air heat exchanger is used for heat exchange of high-temperature air and comprises a plurality of hot smoke channels and air channels, wherein the hot smoke channels are arranged side by side, each air channel used for circulation of air is composed of the gap between every two hot smoke channels, a cold air inlet is formed in the upper portion of each air channel, a hot air outlet is formed in the lower portion of each air channel, each hot smoke channel comprises a front plate, a rear plate and side plates used for sealing the corresponding front plate and the corresponding rear plate, each front plate and each rear plate are respectively provided with continuous arc crinkles, a smoke inlet communicated with a smoke feeding pipe is formed in the side plate at the bottom of each hot smoke channel, and a smoke outlet communicated with a smoke exhaust pipe is formed in the side plate at the top of each hot smoke channel. The bidirectional convection corrugated plate air heat exchanger is simple in structure and reasonable in design, a cold air current and a hot air current flow in every two adjacent channels in opposite directions respectively, the crinkles not only enlarge the exchange area of every two air currents but also enhance forced perturbation, and heat exchange efficiency is improved.
Description
Technical field
The utility model relates to air heat exchanger technical field, particularly a kind of bilateral flow corrugated plating air heat exchanger.
Background technology
The heat that in hot-blast stove, fired coal combustion produces is delivered in air by air heat exchanger, and the more abundant thermal efficiency of heat exchange is higher, and air heat exchanger is the core component of hot-blast stove, and can be related to heat energy make full use of.Air heat exchanger in existing hot-blast stove is all tubular structure, one as described in Chinese patent CN 202928407 U is without dust stratification coal burning air heat exchanger, comprise combustion gas road, in combustion gas road, be furnished with the heat exchanger tube that is snakelike continuous layout that both sides are connected with bellows, ventilating air in heat exchanger tube, circulation combustion gas in combustion gas road, the cold air in combustion gas and the heat exchanger tube in heat exchanger tube outside carries out exchange heat, adds hot-air.Therefore, tubular type air heat exchanger heat exchange needs the fully heat exchange of a large amount of iron pipe, has that heat exchange efficiency is low, volume large, expends the problem of steel.Compared with tubular type air heat exchanger, large 2～4 times than tubular type air heat exchanger of the heat exchange areas of the plate type air heat-exchanger of same volume, but, tradition plate type air heat-exchanger hermetically-sealed construction adopts the sealings such as seal gasket, can only be used for the heat exchange of lower temperature gas, there is non-refractory for the heat exchange of hot-blast stove high-temperature gas, the problem of easy aging leakage, in addition, the specific heat capacity of air is little, must there be enough flows heat all could be taken out of, and existing air heat exchanger is for high-temperature gas heat exchange, flow and heat exchange are difficult to balance, be difficult to carry out heat exchange fully when fluid high-speed is mobile.
Utility model content
The utility model technical issues that need to address are to provide a kind of bilateral flow corrugated plating air heat exchanger that can carry out fully efficiently high-temperature gas heat exchange.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
Bilateral flow corrugated plating air heat exchanger, comprise the some heating flues that are arranged side by side and the air duct for ventilating air jointly forming by the gap between heating flue, described heating flue comprises having the front and rear panels of continuous arc ripple and for sealing the side plate of front and rear panels, on the side plate of described heating flue bottom, offer the smoke inlet being communicated with smoke-intake pipe, on the side plate at heating flue top, offer the exhanst gas outlet that is communicated with smoke pipeline, the top of described air duct arranges cool air inlet, and the bottom of air duct arranges hot air outlet.
Further improvement of the utility model is: described air duct by the gap between several heating flues that arrange with row, laminating is welded on two sidewalls on the side plate of same heat extraction flue both sides, side plate that laminating is welded on same heat extraction flue top respectively top board forms jointly, between two side wall upper part of described air duct and top board, gap is set as cool air inlet, the bottom-open of described air duct is as hot air outlet.
Further improvement of the utility model is: the header board of described each heating flue is laterally continuous arc-shaped wave card, and rear plate is laterally continuous arc-shaped wave card or vertical continuous arc-shaped wave card.
Further improvement of the utility model is: the outer wall interval welding multilayer fin of described smoke-intake pipe.
Further improvement of the utility model is: between the front and rear panels of described heating flue and side plate, be seamless welding seal form.
Further improvement of the utility model is: described side plate, front and rear panels are heat zinc coating plate.
Further improvement of the utility model is: described smoke inlet is opened in one end of heating flue bottom side plate, and exhanst gas outlet is opened in the other end of the top side plate of heating flue.
Further improvement of the utility model is: the arc radius of the arc ripple of described front and rear panels is 5～7cm, central angle is 110～120 °, spacing between described front and rear panels is 5～20cm, and the spacing between described two adjacent heating flues is 5～10cm.
Owing to having adopted technique scheme, the technological progress that the utility model is obtained is:
Heating flue of the present utility model inside is used for the flue gas that circulates, by the gap between adjacent heat flue and sidewall, top board forms air duct jointly for ventilating air, cool air inlet and hot air outlet are arranged at respectively the upper and lower of air duct, air is flowed from the top down in air duct, Action of Gravity Field is accelerated the flow velocity of air, make enough air and hot flue gas carry out heat exchange, improve heat utilization rate, described smoke inlet is arranged at the bottom of heating flue, and exhanst gas outlet is arranged at the top of heating flue, make flue gas rising from bottom to top, the part dust settling of carrying secretly in flue gas gets off, alleviate air pollution, flue gas and air have the upper and lower reverse flow in front or rear panel both sides of continuous arc ripple, can make heat exchange more balanced more abundant, ripple had both strengthened the exchange area of two strands of air-flows, increase again forced disturbance, improve heat exchanger effectiveness, each heating flue is separate, and convenient disassembly can be adjusted quantity according to demand.
The corrugated form anyhow that front and rear panels are different can be selected flexibly, and laterally arc ripple increases the disturbance of gas, and longitudinally arc ripple can accelerate gas flow rates, selects suitable corrugated form anyhow according to heat exchange demand, can make heat exchange more abundant.
Be welded with the fin of multi-layer thin sheet around smoke-intake pipe outer wall, hot flue gas can first distribute a part of heat to needing in the air of heat exchange by fin, then enters further heat exchange in heating flue, improves heat exchange efficiency, can also reduce the temperature of hot flue gas, extend the life-span of smoke-intake pipe and heating flue.
Between the front and rear panels of heating flue and side plate, be seamless welding seal form, can realize the high temperature heat exchange of gas and material equal temperature, the gas converting heat temperature difference is less than 1 ℃, can effectively solve high-temperature gas heat exchange, a difficult problem for heatproof and sealing.
Side plate, front and rear panels adopt heat zinc coating plate, can improve the antirust ability under wet environment, can meet elevated-temperature seal requirement.
Smoke inlet and exhanst gas outlet are arranged at respectively different ends, and after hot cigarette is entered by one end, bottom, energy lateral flow in uphill process, avoids flue gas directly discharge and can not be full of heating flue cavity.
Cool air inlet is arranged on the side on air duct top, and the cold air that hair-dryer blows can be entered rapidly in heat exchanger, and bilateral flow corrugated plating air heat exchanger bottom is open architecture, contributes to discharge to greatest extent hot-air.
Spacing between front and rear panels and ripple setting, the spacing setting between two adjacent heating flues can ensure suitable flue gas flow, can meet the heat energy that environment needs, and suitable air mass flow can be utilized heat energy to greatest extent.
The utility model is compared with conventional tubular heat exchanger, equal area improves 3～5 times of heat exchange areas, heat exchanger effectiveness improves more than 50%, and heat exchange is abundant, heat utilization rate is high, and wind-heat pressure is very little, by plate sheet welding, reduce hot-blast stove volume, saved steel, realized the application of plate type heat exchanger in high-temperature gas heat exchange.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the smoke-intake pipe in the utility model embodiment 1;
Fig. 3 is the Facad structure schematic diagram of heating flue in the utility model embodiment 1;
Fig. 4 is the structure schematic diagram of heating flue in the utility model embodiment 1;
Fig. 5 is the structure schematic diagram of heating flue in the utility model embodiment 2.
Wherein, 1-heating flue, 2-top board, 3-sidewall I, 4-sidewall II, 11-cool air inlet, 12-header board, plate after 13-, 14-smoke inlet, 15-exhanst gas outlet, 16-smoke-intake pipe.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
The embodiment of a kind of bilateral flow corrugated plating air heat exchanger as shown in Figures 1 to 3, comprises the some heating flues 1 that are arranged side by side, and also comprises the air duct for ventilating air by the common composition in the gap between heating flue 1.
Described each heating flue 1 is a hexahedral hollow housing structure of class, comprises four side plates of header board 12, rear plate 13 and sealing header board 12 and rear plate 13.Described header board 12 is identical with rear plate 13 sizes, and is the heat zinc coating plate with continuous arc ripple, and described side plate is also heat zinc coating plate, seamless welding sealing between header board 12 and rear plate 13 and side plate.In the present embodiment, the header board 12 of each heating flue 1 and rear plate 13 are laterally continuous arc-shaped wave card, the arc radius of arc ripple is 5～7cm, central angle is 110～120 °, the arc ripple of header board 12 and rear plate 13 towards consistent, between front and rear panels, be apart 5～20cm.
Described multiple heating flue is all in a row side by side in the posterior layout of forward and backward plate with header board, between adjacent heating flue 1 at a distance of 5～10cm.As shown in Figure 1, gap between several heating flues that arrange with row, respectively with the sidewall I of some heat extraction flues both sides side plate laminating welding and sidewall II, be used for the air duct of ventilating air with the common composition of top board 2 of the side plate laminating welding at heating flue top.Wherein sidewall I, sidewall II and top board 2 keep certain distance, reserve breach as cool air inlet, are communicated with hair-dryer; The bottom of air duct is open architecture, exposes the gap of heating flue 1 bottom, as hot air outlet.
Further, the preferred a kind of rectangular configuration as shown in Figure 2 or Figure 3 of side plate, in order to facilitate a large amount of cold airs to enter fast in the gap of heating flue 1, some half holes that the position of the corresponding cool air inlet 11 in side plate top is offered along the arcuate shape of header board 12 and rear plate 13 sides.
The course of work of the present utility model is: hot flue gas is discharged from burner hearth, enters heating flue 1 by smoke-intake pipe 16, smoke inlet 14, and hot flue gas flows from bottom to top in heating flue 1 inside.On the other hand, the cold air that hair-dryer blows enters the gap between heating flue 1 from the cool air inlet on air duct top, in the gap between heating flue 1, flows from top to bottom.The reverse flow in adjacency channel of hot flue gas and cold air, carries out exchange heat, and the heat of hot flue gas passes to cold air, and heating flue 1 has the rear plate 13 of arc ripple struction and header board 12 and increase the disturbance of air-flow, makes heat exchange more abundant.Flue gas after heat exchange flows out from the exhanst gas outlet 15 of heating flue 1, then discharges from chimney through same passage, and the hot-air after heat exchange flows out from the crack of these heating flue 1 bottoms, is discharged in surrounding environment through hot air outlet.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: as shown in Figure 4, the rear plate 13 of described heating flue 1 is longitudinal arc ripple.Rear plate 13 forms cross one another corrugated form with header board 12, when the horizontal arc ripple of header board 12 increases the disturbance of gas, longitudinal arc ripple of rear plate 13 can accelerate gas flow rates, has both guaranteed sufficient heat exchange, further improves again heat exchange efficiency.
Claims (8)
1. bilateral flow corrugated plating air heat exchanger, it is characterized in that: comprise the some heating flues (1) that are arranged side by side, and by the common air duct for ventilating air forming in the gap between heating flue (1), described heating flue (1) comprises header board (12) and the rear plate (13) with continuous arc ripple, and for sealing the side plate of front and rear panels, on the side plate of described heating flue bottom, offer the smoke inlet (14) being communicated with smoke-intake pipe (16), on the side plate at heating flue top, offer the exhanst gas outlet (15) that is communicated with smoke pipeline, the top of described air duct arranges cool air inlet (11), the bottom of air duct arranges hot air outlet.
2. bilateral flow corrugated plating air heat exchanger according to claim 1, it is characterized in that: described air duct by the gap between several heating flues that arrange with row, laminating is welded on two sidewalls on the side plate of same heat extraction flue both sides, side plate that laminating is welded on same heat extraction flue top respectively top board (2) forms jointly, between two side wall upper part of described air duct and top board (2), gap is set as cool air inlet (11), the bottom-open of described air duct is as hot air outlet.
3. according to the bilateral flow corrugated plating air heat exchanger described in claim 1 or 2 any one, it is characterized in that: the header board (12) of described each heating flue (1) is laterally continuous arc-shaped wave card, rear plate (13) is laterally continuous arc-shaped wave card or vertical continuous arc-shaped wave card.
4. bilateral flow corrugated plating air heat exchanger according to claim 3, is characterized in that: the outer wall interval welding multilayer fin of described smoke-intake pipe (16).
5. bilateral flow corrugated plating air heat exchanger according to claim 3, is characterized in that: between the header board (12) of described heating flue (1) and rear plate (13) and side plate, be seamless welding seal form.
6. bilateral flow corrugated plating air heat exchanger according to claim 3, is characterized in that: described side plate, header board (12) and rear plate (13) are heat zinc coating plate.
7. bilateral flow corrugated plating air heat exchanger according to claim 3, is characterized in that: described smoke inlet (14) is opened in one end of heating flue (1) bottom side plate, exhanst gas outlet (15) is opened in the other end of the top side plate of heating flue (1).
8. bilateral flow corrugated plating air heat exchanger according to claim 1, it is characterized in that: the arc radius of the arc ripple of described header board (12) and rear plate (13) is 5～7cm, central angle is 110～120 °, spacing between described header board (12) and rear plate (13) is 5～20cm, and the spacing between described two adjacent heating flues is 5～10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320818352.9U CN203605771U (en) | 2013-12-13 | 2013-12-13 | Bidirectional convection corrugated plate air heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320818352.9U CN203605771U (en) | 2013-12-13 | 2013-12-13 | Bidirectional convection corrugated plate air heat exchanger |
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| Publication Number | Publication Date |
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| CN203605771U true CN203605771U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320818352.9U Expired - Fee Related CN203605771U (en) | 2013-12-13 | 2013-12-13 | Bidirectional convection corrugated plate air heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426228A (en) * | 2020-05-18 | 2020-07-17 | 安徽东能换热装备有限公司 | Grid type turbulence device of plate type converter |
-
2013
- 2013-12-13 CN CN201320818352.9U patent/CN203605771U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426228A (en) * | 2020-05-18 | 2020-07-17 | 安徽东能换热装备有限公司 | Grid type turbulence device of plate type converter |
| CN111426228B (en) * | 2020-05-18 | 2021-06-15 | 安徽东能换热装备有限公司 | Grid type turbulence device of plate type converter |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20161213 |