CN203657584U - Heat exchange fin applicable to heat exchanger and film type heat exchange plate - Google Patents

Heat exchange fin applicable to heat exchanger and film type heat exchange plate Download PDF

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Publication number
CN203657584U
CN203657584U CN201320683549.6U CN201320683549U CN203657584U CN 203657584 U CN203657584 U CN 203657584U CN 201320683549 U CN201320683549 U CN 201320683549U CN 203657584 U CN203657584 U CN 203657584U
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CN
China
Prior art keywords
heat exchange
heat exchanger
exchange fin
pipes
heat
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Expired - Fee Related
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CN201320683549.6U
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Chinese (zh)
Inventor
袁一军
袁朝
常海青
张燕
刘雷陈
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CHENGXIN GREEN INTEGRATION Co Ltd
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CHENGXIN GREEN INTEGRATION Co Ltd
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Priority to CN201320683549.6U priority Critical patent/CN203657584U/en
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Publication of CN203657584U publication Critical patent/CN203657584U/en
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Abstract

The utility model discloses a heat exchange fin applicable to a heat exchanger and a film type heat exchange plate. The heat exchange fin comprises a bottom plate, a top plate and two circular pipes, wherein the two circular pipes are arranged in parallel; long slots are formed in the circular pipes in an axial direction; the bottom plate and the top plate are arranged oppositely; two sides of the bottom plate and the top plate are respectively connected with bottom sides and top sides of the long slots of the two circular pipes. The film type heat exchange plate comprises a plurality of heat exchange fins and a plurality of fluid pipes; the plurality of heat exchange fins are arranged side by side; the plurality of fluid pipes are respectively arranged on the outer sides of the two circular pipes of the plurality of heat exchange fins and communicated in sequence. The heat exchange fin is novel in structure and capable of effectively improving heat transfer property and strengthening heat transfer effect; the film type heat exchange plate is capable of improving detour flow of smoke, improving heat transfer efficiency of the heat exchanger, preventing the fluid pipes of the heat exchanger from being directly washed by the smoke and prolonging the service life of the heat exchanger.

Description

For heat exchange fin and the membrane type heat exchanger plates of heat exchanger
Technical field
The utility model relates to a kind of heat exchange fin for heat exchanger and membrane type heat exchanger plates.
Background technology
In coal-fired unit, the heat loss due to exhaust gas of boiler occupies larger ratio in various heat losses, reduces boiler exhaust gas heat loss and can increase substantially boiler thermal output.The exhaust gas temperature of general thermal power unit boiler is higher, about 110 ℃~160 ℃, can effectively reduce heat loss due to exhaust gas therefore reduce exhaust gas temperature.Conventionally can install heat exchanger (often claiming low-level (stack-gas) economizer) additional at boiler back end ductwork low-temperature region, take the heat of the method recovered flue gas that increases heated surface at the end of boiler, reduce coal consumption.
Heat transfer efficiency heat transfer low and that heating surface fouling causes is deteriorated is ubiquitous chronic disease in numerous industrial circle heat transmission equipments, in the urgent need to taking effective augmentation of heat transfer measure, according to augmentation of heat transfer theory, within the scope of the both sides of pipe, need the side that enhancing heat transfer is less could effectively improve overall heat-transfer coefficient.For heat exchanger, pipe inner side medium is water, and pipe lateral media is gas, and the heat transfer coefficient of gas side is less, is the principal element that affects total exchange coefficient of the heat exchanger.Therefore improve gas side heat transfer coefficient most important.
Simultaneously no matter Industrial Boiler or station boiler, back-end surfaces is the cold end corrosion problem of various degrees all, and it directly has influence on pot and protects equipment reliability of operation and economy.Cold end corrosion is to form SO after fuel combustion 2, wherein a small amount of SO 2further oxidation generates SO 3, SO 3be combined into sulfuric acid with the water vapour in flue gas.When Tube Sheet of Heat Exchanger wall temperature is during lower than acid dew point, sulfuric acid vapor can condense on tube wall, corrosion tubing.Therefore the heat exchanger of developing high heat transfer efficiency is one of effective means of avoiding cold end corrosion to reduce exhaust gas temperature, therefore low-level (stack-gas) economizer heat transfer element can be carried out to high-temperature heat treatment, corrosion resistance, wearability and the heat treatment surface that can greatly improve heat exchange element are difficult for sticky ash, reduce flue gas circulating resistance and grey fouling (thermal) resistance.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of heat exchange fin for heat exchanger and membrane type heat exchanger plates, and this heat exchange fin novel structure, effectively improves heat transfer property, improves enhanced heat exchange effect; This membrane type heat exchanger plates strengthens streaming of flue gas, has improved the heat transfer efficiency of heat exchanger, avoids heat exchanger fluid pipe directly to be washed away by flue gas, improves the service life of heat exchanger.
For solving the problems of the technologies described above, the utility model comprises base plate, top board and two pipes for the heat exchange fin of heat exchanger, described two pipes are arranged in parallel and have vertically an elongated slot, and described base plate and top board positioned opposite both sides are connected respectively base and the top margin of described two pipe elongated slots.
Further, the base of above-mentioned base plate and top board and described two pipe elongated slots and top margin smooth connection.
Further, above-mentioned base plate and top board are arranged in parallel.
Further, above-mentioned base plate and top board are splayed configuration layout.
This membrane type heat exchanger plates comprises some above-mentioned heat exchange fins and some fluid hoses, described some heat exchange fin flat rafts layouts, and described some fluid hoses are located at respectively two pipes outsides of described some heat exchange fins, and described some fluid hoses are communicated with successively.
Further, the diameter of two pipes of above-mentioned heat exchange fin is greater than the diameter of described fluid hose.
Further, the junction in two pipe outsides of above-mentioned some fluid hoses and described some heat exchange fins applies polymer material layer.
Because the utility model has adopted technique scheme for heat exchange fin and the membrane type heat exchanger plates of heat exchanger, be that this heat exchange fin comprises base plate, top board and two pipes, two pipes are arranged in parallel and have vertically an elongated slot, and base plate and top board positioned opposite both sides are connected respectively base and the top margin of two pipe elongated slots; This membrane type heat exchanger plates comprises some above-mentioned heat exchange fins and some fluid hoses, some heat exchange fin flat rafts layouts, and some fluid hoses are located at respectively two pipes outsides of some heat exchange fins, and some fluid hoses are communicated with successively.This heat exchange fin novel structure, effectively improves heat transfer property, improves enhanced heat exchange effect; This membrane type heat exchanger plates strengthens streaming of flue gas, has improved the heat transfer efficiency of heat exchanger, avoids heat exchanger fluid pipe directly to be washed away by flue gas, improves the service life of heat exchanger.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail:
Fig. 1 is the heat exchange fin structural representation of the utility model for heat exchanger;
Fig. 2 is that in this heat exchange fin, base plate and top board are the schematic diagram that the Eight characters is arranged;
Fig. 3 is the structural representation of this membrane type heat exchanger plates.
The specific embodiment
As shown in Figure 1, the utility model comprises base plate 1, top board 2 and two pipes 3 for the heat exchange fin of heat exchanger, described two pipes 3 are arranged in parallel and have vertically an elongated slot, and described base plate 1 and top board 2 positioned opposite both sides are connected respectively base and the top margin of described two pipe 3 elongated slots.
Further, base and the top margin smooth connection of above-mentioned base plate 1 and top board 2 and described two pipe 3 elongated slots.
Further, above-mentioned base plate 1 and top board 2 are arranged in parallel.
As shown in Figure 2, further, above-mentioned base plate 1 and top board 2 are splayed configuration and arrange.The base plate that splayed configuration is arranged is consistent with flue gas direction with top board, be conducive to increase flue gas and carry out eddy current at heat exchange fin top, increase the time of contact of flue gas and heat exchange fin, strengthen heat transfer effect, because eddy current carries out at top, can effectively prevent heat exchange fin dust stratification simultaneously.
As shown in Figure 3, this membrane type heat exchanger plates comprises some above-mentioned heat exchange fins 4 and some fluid hoses 5, described some heat exchange fins 4 flat rafts layouts, described some fluid hoses 5 are located at respectively two pipe 3 outsides of described some heat exchange fins 4, and described some fluid hoses 5 are communicated with successively.
Further, the diameter of 4 two pipes 3 of above-mentioned heat exchange fin is greater than the diameter of described fluid hose 5.
Further, above-mentioned some fluid hoses 5 apply polymer material layer with the junction in two pipe 3 outsides of described some heat exchange fins 4.Polymer material layer can carry out anticorrosion effectively, improves the service life of membrane type heat exchanger plates.
Base plate, top board and two pipes of this heat exchange fin form the special pipe that cross section is dumb-bell shape, the light pipe of replaceable traditional membrane type heat exchanger plates adds band steel structure, increase heat exchange area, strengthened flue gas streaming between fluid hose and fin, reached the object of enhanced heat exchange; The dumbbell-shaped section of this heat exchange fin has good flexibility simultaneously, carries out in high-temperature heat treatment process at heat exchange fin, can effectively reduce high temperature deformation, improves the quality of heat exchange fin; This heat exchange fin can be realized batch production by mould, reduces cost of manufacture; This membrane type heat exchanger plates adopts some above-mentioned heat exchange fins to form, some fluid hoses are located between some heat exchange fins and according to this and are communicated with, thereby improve the heat transfer efficiency of whole heat exchanger, the pipe diameter of heat exchange fin both sides is greater than fluid hose diameter, avoid directly washing away of smoke convection body pipe, to improve the service life of heat exchanger.This membrane type heat exchanger plates is arranged in to boiler back end ductwork, can effective recycling fume afterheat by Technology for Heating Processing, improve boiler thermal output, reduce heat loss due to exhaust gas; Flue-gas temperature is down to below acid dew point simultaneously, thereby effectively overcomes cold end corrosion, guarantee that pot protects the normal reliable operation of equipment.

Claims (7)

1. the heat exchange fin for heat exchanger, it is characterized in that: this heat exchange fin comprises base plate, top board and two pipes, described two pipes are arranged in parallel and have vertically an elongated slot, and described base plate and top board positioned opposite both sides are connected respectively base and the top margin of described two pipe elongated slots.
2. the heat exchange fin for heat exchanger according to claim 1, is characterized in that: the base of described base plate and top board and described two pipe elongated slots and top margin smooth connection.
3. the heat exchange fin for heat exchanger according to claim 1, is characterized in that: described base plate and top board are arranged in parallel.
4. the heat exchange fin for heat exchanger according to claim 1, is characterized in that: described base plate and top board are splayed configuration and arrange.
5. the membrane type heat exchanger plates for heat exchanger, it is characterized in that: this membrane type heat exchanger plates comprises heat exchange fin and the some fluid hoses described in some claims 1 or 2, described some heat exchange fin flat rafts are arranged, described some fluid hoses are located at respectively two pipe outsides of described some heat exchange fins, and described some fluid hoses are communicated with successively.
6. the membrane type heat exchanger plates for heat exchanger according to claim 5, is characterized in that: the diameter of two pipes of described heat exchange fin is greater than the diameter of described fluid hose.
7. the membrane type heat exchanger plates for heat exchanger according to claim 5, is characterized in that: the junction in described some fluid hoses and described two pipes outside applies polymer material layer.
CN201320683549.6U 2013-11-01 2013-11-01 Heat exchange fin applicable to heat exchanger and film type heat exchange plate Expired - Fee Related CN203657584U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320683549.6U CN203657584U (en) 2013-11-01 2013-11-01 Heat exchange fin applicable to heat exchanger and film type heat exchange plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320683549.6U CN203657584U (en) 2013-11-01 2013-11-01 Heat exchange fin applicable to heat exchanger and film type heat exchange plate

Publications (1)

Publication Number Publication Date
CN203657584U true CN203657584U (en) 2014-06-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104596342A (en) * 2013-11-01 2015-05-06 成信绿集成股份有限公司 Heat exchange fin for heat exchanger and film type heat exchange plate
CN108562176A (en) * 2018-05-18 2018-09-21 广东美的制冷设备有限公司 Heat exchanger and heat transmission equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104596342A (en) * 2013-11-01 2015-05-06 成信绿集成股份有限公司 Heat exchange fin for heat exchanger and film type heat exchange plate
CN104596342B (en) * 2013-11-01 2017-01-11 成信绿集成股份有限公司 Heat exchange fin for heat exchanger and film type heat exchange plate
CN108562176A (en) * 2018-05-18 2018-09-21 广东美的制冷设备有限公司 Heat exchanger and heat transmission equipment
WO2019218429A1 (en) * 2018-05-18 2019-11-21 广东美的制冷设备有限公司 Heat exchanger and heat exchange device

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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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140618

Termination date: 20161101