CN202229633U - Pipe-foam type heat exchanger - Google Patents

Pipe-foam type heat exchanger Download PDF

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Publication number
CN202229633U
CN202229633U CN2011202119591U CN201120211959U CN202229633U CN 202229633 U CN202229633 U CN 202229633U CN 2011202119591 U CN2011202119591 U CN 2011202119591U CN 201120211959 U CN201120211959 U CN 201120211959U CN 202229633 U CN202229633 U CN 202229633U
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CN
China
Prior art keywords
passage
heat exchanger
foam metal
charging
vacuum liquid
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2011202119591U
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Chinese (zh)
Inventor
周帼彦
涂善东
朱冬生
郑伟业
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East China University of Science and Technology
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East China University of Science and Technology
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Publication date
Application filed by East China University of Science and Technology filed Critical East China University of Science and Technology
Priority to CN2011202119591U priority Critical patent/CN202229633U/en
Application granted granted Critical
Publication of CN202229633U publication Critical patent/CN202229633U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0275Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/04Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
    • F28D15/046Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure

Abstract

The utility model aims at the problems of unfavorable heat exchange efficiency, large volume, high cost, and difficulty in spatial layout and the like existing when the existing heat-pipe heat exchanger is used for recovering the waste heat of high-temperature flue gas, and discloses a pipe-foam type heat exchanger which takes heat pipes and porous metal foams as heat-exchanging elements and is particularly suitable for recovering the waste heat of the high-temperature flue gas. The pipe-foam type heat exchanger is provided with vacuum fluid-filling end enclosures and a core body; the vacuum fluid-filling end enclosures are arranged at the two sides of a vacuum fluid-filling passage; the vacuum fluid-filling end enclosure at one side of the vacuum fluid-filling passage is provided with a connection pipe; and the core body is made by superposing the vacuum fluid-filling passage and a plurality of metal foam passages at intervals. Partition boards are arranged above and below the vacuum fluid-filling passage, sealing tapes are arranged at the two sides of the vacuum fluid-filling passage, and the metal foams can be arranged in the passage. Partition boards are arranged above and below a plate-fin passage, sealing tapes are arranged at the two sides of the passage, and the metal foams are arranged in the passage. Each metal foam passage is separated into a hot medium passage and a cold medium passage by one sealing tape, and the hot medium passage and the cold medium passage are parallel to each other. After assembling, the pipe-foam type heat exchanger is in horizontal arrangement, horizontally-tilted arrangement or vertical arrangement, as a whole.

Description

Envelope formula heat exchanger
Technical field
Envelope formula heat exchanger of the present invention relates to a kind of heat exchanger that makes two media at least carry out heat exchange, and relating in particular to a kind of is heat exchange element with heat pipe and porous foam metal, is particularly suitable for the new structure heat exchanger of high-temperature flue gas waste heat recovery.
Background technology
Existing high-temperature flue gas waste-heat recovery device is main with heating agent formula heat exchanger and heat exchange of heat pipe mainly.Wherein, heating agent formula heat exchanger is because running device is many, and plant maintenance and running expense are high, and is very harsh to the requirement of system.And be the heat exchange of heat pipe of heat transfer element with the heat pipe, though have unique advantage than other conventional version heat exchangers, its heat exchange efficiency is still not ideal enough; And volume is big, and cost is high, difficult in arrangement; Adopt copper, aluminium material, can not bear high temperature, high pressure, perishable.
Summary of the invention
The object of the invention is intended to overcome the problem of above-mentioned existence, proposes a kind of envelope formula heat exchanger.The main body of this heat exchanger is by the foam metal passage and the vacuum liquid-charging channel spacing is stacked forms, and heat transfer area is big, and heat exchange efficiency is high; Low cost of manufacture exists volume little, and is in light weight; Spatial placement is convenient, and material can also be born high temperature, high pressure when adopting stainless steel; And corrosion-resistant, all be significantly improved and improve than general heat exchange of heat pipe performance, cost, be particularly suited for the high-temperature flue gas waste heat recovery.
Envelope formula heat exchanger is to adopt following scheme to realize:
A kind of envelope formula heat exchanger; Constitute by core body and the vacuum liquid-charging end socket 1 and 7 that is located at the core body both sides; It is characterized in that core body between the upper and lower at a distance from being stacked to, has dividing plate 5 by at least one pair of vacuum liquid-charging path 10 and foam metal passage 11 on the vacuum liquid-charging path 10; Both sides are by strip of paper used for sealing 4 sealings of the medium that is arranged on the vacuum liquid-charging path 10 into and out of oral-lateral; Foam metal passage 11 is separated through dividing plate 5 and vacuum liquid-charging path 10 up and down, is provided with foam metal layer 2 in the passage, is provided with strip of paper used for sealing 3 in the both sides that are in vacuum liquid-charging end socket 1 and 7; With foam metal passage 11 sealing, be separated into two hot media channel and cold medium channels arranged side by side by a strip of paper used for sealing 3 in the middle of each foam metal passage 11; Wherein a side vacuum liquid-charging end socket 7 is provided with one and takes over 8, and the vacuum liquid-charging passage is evacuated and fills hydraulic fluid.
The netted runner of 3 D stereo of the open cell type that described foam metal layer 2 forms for the porous material sintering, and seal with welding manner.
Described envelope formula heat exchanger integral body is horizontal arrangement or horizontal tilt α angle is arranged less than 30 ° or vertical the layout.
Be provided with porous adsorbing medium 6 in the described vacuum liquid-charging path 10.
Porous adsorbing medium 6 is a percent opening at 90%~97% foam metal layer 2.
The percent opening of described foam metal layer 2 is preferably 90%~97%.
The present invention with foam metal as the heat exchange body; Vacuum liquid-charging passage and foam metal channel spacing are stacked; Hot media channel and cold medium channel are arranged in juxtaposition; Flowed through the many omnidirectional hole in the porous foam metal is crooked by heat transferring medium; Hydraulic fluid carries out transfer of heat through inner phase transformation in the vacuum passage, makes to form accurate adverse current type between hot fluid and the cold fluid and flow, and has that heat transfer area is big, heat exchange efficiency is high, has that volume is little, in light weight, spatial placement convenient, low cost and other advantages.The stainless steel envelope formula heat exchanger that is used for the high-temperature flue gas waste-heat recovery device also has high temperature resistant (can reach 850 ℃), high pressure resistant (can reach 14MPa), erosion-resisting advantage, compares with heat exchange of heat pipe, and cost descends 50%, and institute takes up space and dwindles 50%.
Beneficial effect of the present invention:
1, the present invention combines hot pipe technique with porous foam metal, realizes the exchange heat between the two media, has improved heat exchange efficiency.
2, the present invention adopts porous foam metal as the fluid passage, has very high specific area, and compact conformation, in light weight, is particularly useful for the heat exchange of clean fluid.
3, the present invention can be used for the heat exchange of normal flow body medium, and porous foam metal passage flushing back is reusable.
4, the present invention adopts soldering tech, has simplified manufacturing process, has saved lot of materials, has reduced manufacturing cost, has improved the reliability of equipment.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further.
Fig. 1 is an envelope formula heat exchanger structure sketch map.
Wherein, 1, the 7-end socket, the 2-foam metal layer, the 3-strip of paper used for sealing, 4-side seal bar, the 5-dividing plate, 6-porous adsorbing medium, 8-takes over, and the upper and lower shrouding of 9-, 10-vacuum liquid-charging passage, 11-foam metal passage, the cold medium of A-, B-thermal medium, C-vacuumize the working medium that fill the back.
Fig. 2 is the hot media channel and the cold medium channel structural representation of envelope formula heat exchanger.
Wherein, 2-foam metal layer, 3-strip of paper used for sealing, 5-dividing plate.
Fig. 3 is an envelope formula heat exchanger vacuum liquid-charging channel design sketch map.
Wherein, 2-foam metal layer, 3-strip of paper used for sealing, 5-dividing plate, C (G)-working substance steam, C (L)-worker quality liquid.
Fig. 4 is the structural representation that the envelope formula heat exchanger vacuum liquid-charging passage of foam metal layer is set.
Wherein, 2-foam metal layer, 3-strip of paper used for sealing, 5-dividing plate, 6-porous adsorbing medium, the upper and lower shrouding of 9-, 10-vacuum liquid-charging passage, 11-foam metal passage, C (G)-working substance steam, C (L)-worker quality liquid.
Fig. 5 (a)-high-temperature flue gas device is with horizontal arrangement envelope formula heat exchanger structure sketch map.
Wherein, the cold medium of A-, the hot flue gas of B-.
Fig. 5 (b)-high-temperature flue gas device is arranged envelope formula heat exchanger structure sketch map with horizontal tilt α angle.
Wherein, the cold medium of A-, the hot flue gas of B-.
Fig. 5 (c)-high-temperature flue gas device is with the vertical envelope formula heat exchanger structure sketch map of arranging.
Wherein, the cold medium of A-, the hot flue gas of B-, C-vacuumize the working medium that fill the back, and 1, the 7-end socket, the 2-foam metal layer, the 3-strip of paper used for sealing, 4-side seal bar, the 5-dividing plate, 8-takes over, the upper and lower shrouding of 9-.
The specific embodiment
With reference to accompanying drawing 1-5, envelope formula heat exchanger primary structure has end socket 1,7 and core body two parts.End socket 1,7 is arranged on vacuum liquid-charging passage both sides, and wherein a side seal head 7 is provided with and takes over 8, in order to the vacuum liquid-charging passage is evacuated and fills hydraulic fluid.Core body is stacked by several foam metal passages and vacuum liquid-charging channel spacing, vacuum brazing forms.Have dividing plate 5 on the foam metal passage, both sides are provided with strip of paper used for sealing 3, are provided with foam metal 2 in the passage.Each foam metal passage is separated into two hot media channel and cold medium channels arranged side by side by a strip of paper used for sealing 3, realizes the counter-current flow of hot fluid and cold fluid.Hot media channel and cold medium channel all have foam metal, the foam metal 2 upper and lower dividing plates 5 (seal diaphragm) that are provided with, and the foam metal side is provided with strip of paper used for sealing 3, forms some passages, is convenient to abundant heat exchange.Foam metal form in the foam metal passage is an open cell type, and its percent opening is 90%~97%.Have dividing plate 5 on the vacuum liquid-charging passage, both sides are provided with strip of paper used for sealing 4, in the passage porous adsorbing medium 6 can be set.Vacuum liquid-charging passage porous adsorbing medium 6 can adopt the open celled foam metal, the upper and lower dividing plate 5 (seal diaphragm) that is provided with of foam metal, and the foam metal side is provided with strip of paper used for sealing 4.Core body is provided with a plurality of foam metal passages and vacuum liquid-charging passage by actual needs; Foam metal passage and vacuum liquid-charging channel spacing are stacked during assembling; Integral body is that horizontal arrangement or horizontal tilt α angle (being generally less than 30 °) are arranged or vertical the layout, with guarantee hydraulic fluid in the vacuum passage from cold medium section natural back flow to the thermal medium section.During work, the hydraulic fluid in the vacuum liquid-charging passage absorbs heat in the thermal medium section, and evaporation becomes steam, and moving to cold medium section condensation heat release becomes liquid, heat is passed to cold medium after natural back flow to the thermal medium section.So circulation running, the purpose of realization refrigeration, heating or heat radiation.
With reference to accompanying drawing 5 (a) and (b) with (c), the high-temperature flue gas device can be realized the waste heat recovery of flue gas with horizontal arrangement, horizontal tilt α angle (being generally less than 30 °) layout or vertically arranged stainless steel envelope formula heat exchanger.Upper cover gets into envelope formula heat exchanger to hot flue gas from the left side, with the hydraulic fluid of hot flue gas section in the heat transferred vacuum liquid-charging passage, makes its heat absorption evaporation become steam; Vapor level moves to cold medium section, and the condensation heat release becomes liquid, and with the cold medium of heat transferred, during horizontal arrangement, shown in Fig. 5 (a), the porous media that liquid is arranged by the left side adsorbs natural back flow to hot flue gas section; When horizontal tilt α angle is arranged or is vertically arranged, Fig. 5 (b) with (c) shown in, the liquid natural back flow arrives hot flue gas section.So circulation running, the heat of hot flue gas shifts to cold medium through the hydraulic fluid in the vacuum liquid-charging passage, has realized the recovery of the waste heat of high-temperature flue gas.

Claims (5)

1. envelope formula heat exchanger; Be made up of core body and the vacuum liquid-charging end socket (1) that is located at the core body both sides and (7), it is characterized in that, core body is by at least one pair of vacuum liquid-charging passage (10) and foam metal passage (11) is separated between the upper and lower is stacked to; Have dividing plate (5) on the vacuum liquid-charging passage (10); Both sides are provided with porous adsorbing medium (6) by side seal bar (4) sealing of the medium that is arranged on vacuum liquid-charging passage (10) into and out of oral-lateral in the vacuum liquid-charging passage (10), foam metal passage (11) is separated through dividing plate (5) and vacuum liquid-charging passage (10) up and down; Be provided with foam metal (2) in the passage; Be provided with strip of paper used for sealing (3) in the both sides that are in vacuum liquid-charging end socket (1) and (7),, be separated into two hot media channel and cold medium channels arranged side by side by a strip of paper used for sealing (3) in the middle of each foam metal passage (11) foam metal passage (11) sealing; Wherein a side vacuum liquid-charging end socket (7) is provided with one and takes over (8), and the vacuum liquid-charging passage is evacuated and fills hydraulic fluid.
2. an envelope formula heat exchanger as claimed in claim 1 is characterized in that, described foam metal layer (2) is the netted runner of porous material sintering open cell type 3 D stereo that form, welded seal.
3. an envelope formula heat exchanger as claimed in claim 1 is characterized in that, described envelope formula heat exchanger integral body is horizontal arrangement or horizontal tilt α angle is arranged less than 30 ° or vertical the layout.
4. an envelope formula heat exchanger as claimed in claim 1 is characterized in that the percent opening of described foam metal layer (2) is 90%~97%.
5. an envelope formula heat exchanger as claimed in claim 1 is characterized in that, described porous adsorbing medium (6) is a percent opening at 90%~97% foam metal layer (2).
CN2011202119591U 2011-06-22 2011-06-22 Pipe-foam type heat exchanger Expired - Lifetime CN202229633U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202119591U CN202229633U (en) 2011-06-22 2011-06-22 Pipe-foam type heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202119591U CN202229633U (en) 2011-06-22 2011-06-22 Pipe-foam type heat exchanger

Publications (1)

Publication Number Publication Date
CN202229633U true CN202229633U (en) 2012-05-23

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103759471A (en) * 2014-01-21 2014-04-30 广东志高空调有限公司 Air conditioner heat exchanger with foam metal fins
CN103953940A (en) * 2014-05-26 2014-07-30 蓝小玲 Waste heat recovery heat exchanger of oil burning boiler
CN104266415A (en) * 2014-10-09 2015-01-07 中国石油大学(华东) Multilayer plate condenser utilizing LNG (liquefied natural gas) cold energy
CN104567488A (en) * 2013-08-29 2015-04-29 林德股份公司 Plate heat exchanger with heat exchanger blocks connected by metal foam
CN104556279A (en) * 2014-12-26 2015-04-29 巴布科克环境工程江苏有限公司 Liquid distribution device for plate-type sea water desalination system
CN104990435A (en) * 2015-07-31 2015-10-21 华南理工大学 Plate-fin type heat exchanger with perforated separation plates
CN108692592A (en) * 2018-05-17 2018-10-23 上海电力学院 Using the tube-plate type heat-exchanger of foam copper product
CN109489460A (en) * 2018-11-27 2019-03-19 重庆大学 A kind of ash-laden gas stage purification residual neat recovering system and dedusting store heat-exchanger rig
CN109751903A (en) * 2017-11-08 2019-05-14 中国科学院金属研究所 It is a kind of based on the Thermal Performance of Micro Channels device of hollow foam material and its application
CN110319729A (en) * 2019-07-10 2019-10-11 陕西益信伟创智能科技有限公司 Heat exchanger core body and heat exchanger based on bionical stacking 3-d modelling
CN110411239A (en) * 2019-07-18 2019-11-05 东南大学 Bionical type heat exchanger

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104567488A (en) * 2013-08-29 2015-04-29 林德股份公司 Plate heat exchanger with heat exchanger blocks connected by metal foam
CN103759471B (en) * 2014-01-21 2016-04-20 广东志高空调有限公司 A kind of air-condition heat exchanger of foam metal fin
CN103759471A (en) * 2014-01-21 2014-04-30 广东志高空调有限公司 Air conditioner heat exchanger with foam metal fins
CN103953940A (en) * 2014-05-26 2014-07-30 蓝小玲 Waste heat recovery heat exchanger of oil burning boiler
CN104266415A (en) * 2014-10-09 2015-01-07 中国石油大学(华东) Multilayer plate condenser utilizing LNG (liquefied natural gas) cold energy
CN104266415B (en) * 2014-10-09 2016-06-08 上海交通大学 A kind of Multi-layer plate condenser utilizing LNG cold energy
CN104556279A (en) * 2014-12-26 2015-04-29 巴布科克环境工程江苏有限公司 Liquid distribution device for plate-type sea water desalination system
CN104556279B (en) * 2014-12-26 2018-07-17 巴布科克环境工程江苏有限公司 A kind of board-like seawater desalination system liquid distributor
CN104990435A (en) * 2015-07-31 2015-10-21 华南理工大学 Plate-fin type heat exchanger with perforated separation plates
CN109751903A (en) * 2017-11-08 2019-05-14 中国科学院金属研究所 It is a kind of based on the Thermal Performance of Micro Channels device of hollow foam material and its application
CN109751903B (en) * 2017-11-08 2020-05-15 中国科学院金属研究所 Micro-channel heat exchange device based on hollow foam material and application thereof
CN108692592A (en) * 2018-05-17 2018-10-23 上海电力学院 Using the tube-plate type heat-exchanger of foam copper product
CN109489460A (en) * 2018-11-27 2019-03-19 重庆大学 A kind of ash-laden gas stage purification residual neat recovering system and dedusting store heat-exchanger rig
WO2020107826A1 (en) * 2018-11-27 2020-06-04 重庆大学 Staged purification and waste heat recovery system for dust-containing flue gas and dedusting heat storage and exchange device
CN110319729A (en) * 2019-07-10 2019-10-11 陕西益信伟创智能科技有限公司 Heat exchanger core body and heat exchanger based on bionical stacking 3-d modelling
CN110411239A (en) * 2019-07-18 2019-11-05 东南大学 Bionical type heat exchanger

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Granted publication date: 20120523