CN1696596A - Heat exchanger with covering layer - Google Patents

Heat exchanger with covering layer Download PDF

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Publication number
CN1696596A
CN1696596A CNA200510043838XA CN200510043838A CN1696596A CN 1696596 A CN1696596 A CN 1696596A CN A200510043838X A CNA200510043838X A CN A200510043838XA CN 200510043838 A CN200510043838 A CN 200510043838A CN 1696596 A CN1696596 A CN 1696596A
Authority
CN
China
Prior art keywords
heat exchanger
heat storage
heat
parts
radiative material
Prior art date
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.)
Granted
Application number
CNA200510043838XA
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Chinese (zh)
Other versions
CN100412495C (en
Inventor
周惠敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG HUIMIN SCIENCE & TECHNOLOGY CO.,LTD.
Original Assignee
周惠敏
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 周惠敏 filed Critical 周惠敏
Priority to CNB200510043838XA priority Critical patent/CN100412495C/en
Priority to US11/815,488 priority patent/US20080128121A1/en
Publication of CN1696596A publication Critical patent/CN1696596A/en
Priority to JP2008516105A priority patent/JP5145215B2/en
Priority to DE112005003606T priority patent/DE112005003606T5/en
Priority to KR1020087000465A priority patent/KR20080028914A/en
Priority to PCT/CN2005/002010 priority patent/WO2006133608A1/en
Priority to RU2007148680/06A priority patent/RU2387938C2/en
Application granted granted Critical
Publication of CN100412495C publication Critical patent/CN100412495C/en
Priority to US13/369,332 priority patent/US20120208142A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
    • F27D1/042—Bricks shaped for use in regenerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D17/00—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles
    • F28D17/02—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles using rigid bodies, e.g. of porous material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2245/00—Coatings; Surface treatments
    • F28F2245/06—Coatings; Surface treatments having particular radiating, reflecting or absorbing features, e.g. for improving heat transfer by radiation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Abstract

The present invention relates to a heat exchanger with covering layer, belonging to the field of heat exchanger technology. Said heat exchanger is characterized by that one side or several sides of surface of its heat storage body are coated with a layer of high radiation material, whose radiation factor is higher than that of heat storage body base material. The heat storage body form can be honeycomb, fin form, ball form or plate form, and base body of heat storage body is made up by using refractory material, ceramic material or metal material.

Description

The heat exchanger of band coating
(1) technical field
The present invention relates to a kind of heat exchanger, be specifically related to a kind of heat exchanger with coating.
(2) background technology
At industrial circles such as metallurgy, machineries, and the processing of farm products industry, heat exchanger is a kind of equipment commonly used.The major function of heat exchanger is with air, gas-preheating.Wherein a class directly uses coal, combustion gas, oil or electricity as thermal source, and another kind of is to utilize waste heat as thermal source.Thermal source at first heats the heat storage in the heat exchanger, and then sends into air or the combustion gas that needs heating, through heat storage heat is taken away.Heat storage is generally made by refractory materials, stupalith or ferrous materials.The heat absorption of heat storage and heat release ability are the key factors of heat exchanger heat exchange performance, also are directly connected to the whether energy-conservation of heat exchanger.In order to improve the heat exchanger heat exchange performance, there are many patents on its high heat converter structure, to improve, as CN2462326Y and CN2313197Y.Do not appear in the newspapers as yet by improving the heat exchanger that heat storage surface emissivity ability improves the heat exchanger heat exchange performance.
(3) summary of the invention
The present invention is directed to deficiency of the prior art, a kind of high-efficiency and energy-saving heat exchanger is provided.
Heat exchanger of the present invention comprises heat storage, scribbles a floor height radiative material coating at one or more surfaces of heat storage surface.
Above-mentioned high radiative material coating thickness 0.02～3mm.
The emittance of above-mentioned high radiative material is higher than the emittance of heat storage body material.
The shape of above-mentioned heat storage is one of following: cellular, and the fin shape, ball or ellipsoid shape, tabular.
Above-mentioned heat storage can be the heat storage that endoporus is arranged.Endoporus is circular, square, rectangle, rhombus, sexangle or other Polygonss.The heat storage matrix is made by refractory materials, stupalith or ferrous materials.
The cross-sectional shape of above-mentioned heat storage is circular, square, rectangle, rhombus, sexangle or other Polygonss.
Above-mentioned high radiative material can be the general any high radiation far-infrared material in this area that is applicable on the heat storages such as refractory materials, stupalith or ferrous materials.
Above-mentioned high radiative material coating can be finished by modes such as brushing, spraying or dip-coatings, and the heat exchanger after the coating can directly use, and also can re-use behind hot setting earlier.
Before the high radiative material coating of brushing, spraying or dip-coating, apply the pretreatment liquid that one deck contains high-temperature agglomerant earlier at the heat storage matrix surface, can further improve the sticking power of high radiative material coating and matrix.
Above-mentioned pretreatment liquid is the aqueous solution that contains PA80 glue or water glass.
Solid constituent in the high radiative material composite layer paint is carried out ultrafining treatment, make its granularity, also help improving the sticking power of high radiative material coating and matrix at 20-900nm.
Heat exchanger of the present invention scribbles the high radiative material layer higher than heat storage body material emittance on the heat storage surface, can improve the heat absorption and the heat release ability of heat exchanger, make that heat exchanger is faster than the prior art heat absorption, heat release is fast, heat storage capacity increases, heat exchange temperature raises; Improve the heat exchanger heat exchange performance, but the while save energy.Especially, when scribbling high radiative material layer on iron-smelting blast furnace stove fillings surface, smoke distribution in the hotblast stove is even, and heat storage capacity obviously increases, and can improve wind pushing temperature, shorten and change the stove cycle, reduce gas consumption, reduce air flow quantity, the minimizing of air flow quantity again can further energy-conservation economize on electricity, can also change the model of selecting for use of blower fan, reduce equipment cost.
When scribbling high radiative material layer on the heat storage surface of steel rolling recuperative heater, accumulation of heat the temperature inside the box can increase substantially.
(4) description of drawings
Fig. 1 is cellular heat exchanger heat storage synoptic diagram, 1, circular inner hole, 2, high radiative material coating.
Fig. 2 is a fin shape heat exchanger heat storage synoptic diagram, 3, the rectangle endoporus, 4, high radiative material coating.
Fig. 3 is non-metal heat exchanger heat storage schematic partial cross-sectional view, 5, matrix, 6, high radiative material coating, 7, heat exchange surface.
Fig. 4 is cellular heat exchanger heat storage synoptic diagram, 8, circular inner hole, 9, high radiative material coating.
Fig. 5 is spherical heat exchanger heat storage schematic partial cross-sectional view, 10, matrix, 11, high radiative material coating, 12, heat exchange surface.
Fig. 6 is a plate heat exchanger heat storage schematic partial cross-sectional view, 13, matrix, 14, high radiative material coating, 15, heat exchange surface.
Fig. 7 is an ellipsoid shape heat exchanger heat storage profile synoptic diagram.
(5) embodiment
Embodiment 1.
As shown in Figure 1, be used for the heat storage of iron-smelting blast furnace hotblast stove---checker brick, checker brick (heat storage) have circular inner hole 1, comprise that at checker brick (heat storage) all surface bore surface all brushed a floor height radiative material coating 2, thickness 0.2mm.The heat storage matrix is a refractory materials, and high radiative material coating 2 is high radiation far-infrared materials that emittance is higher than the heat storage body material, and component is: Cr 2O 3, 110 parts, 80 parts of clays, 90 parts of wilkinites, 300 parts in brown corundum, 100 parts in silicon carbide, 400 parts in PA80 glue, 100 parts in water is weight part.Solid ingredient wherein adopts ultrafining treatment, makes its granularity at 25-700nm.Compare with existing similar heat exchanger that this heat exchanger is energy-conservation to be reached more than 20%.
Embodiment 2.
As described in embodiment 1, the cross-sectional shape of different is cellular heat storage is a rectangle, circular inner hole 8 and high radiative material coating 9 is arranged, as shown in Figure 4.
Embodiment 3.
As shown in Figure 2, the heat exchanger heat storage is the fin shape, and heat storage has rectangle endoporus 3, and brushing at heat exchanger heat storage all surface (comprising bore surface) has a floor height radiative material coating 4, thickness 0.03mm.The heat storage matrix is a stupalith, and high radiative material coating 4 is high radiation far-infrared materials that emittance is higher than the heat storage body material, and component is: ZrO15 part, Cr 2O 38 parts, TiO 210 parts, 2 parts of wilkinites, Al 2O 3, 15 parts, 10 parts in silicon carbide, 30 parts in PA80 glue, 10 parts in water is weight part.Comparing this heat exchanger thermo-efficiency with existing similar heat exchanger improves more than 10%.
Embodiment 4.
As shown in Figure 6, the heat exchanger heat storage is tabular, scribbles a floor height radiative material coating 14, thickness 0.1mm in heat exchanger heat storage surface brush.Heat storage matrix 13 is ferrous materials, and high radiative material coating 14 is high radiation far-infrared materials that emittance is higher than body material, and component is: Cr 2O 360 parts, 200 parts in brown corundum, 50 parts of clays, 30 parts of wilkinites, 200 parts in silicon carbide, 200 parts of water glass, 100 parts in water is weight part.The outside surface of coating 14 is heat exchange surfaces 15.Before brushing high radiative material coating, brush one deck pretreatment liquid earlier on the heat storage surface, pretreatment liquid is the aqueous solution that contains weight percent 10%PA80 glue.
Comparing this heat exchanger thermo-efficiency with existing similar heat exchanger improves more than 10%.
Embodiment 5.
As shown in Figure 5, the heat exchanger heat storage is spherical, is coated with a floor height radiative material coating 11 on the heat storage surface, thickness 2mm.Heat storage matrix 10 is refractory materialss, and high radiative material coating 11 is high radiation far-infrared materials that emittance is higher than body material, and component is: ZrO5 part, 10 parts in silicon carbide, 5 parts of titanium dioxides, 3 parts of clays, 40 parts in brown corundum, 10 parts in aluminium hydroxide, 5 parts of phosphatase 11s, 12 parts in water is weight part.The relative temperature of comparing this heat exchanger with existing similar heat exchanger improves more than 15 ℃.Present embodiment can be used for recuperative heater, and what carry out heat exchange in the process furnace heat storage tank is spherical heat storage.
Embodiment 6.
As described in embodiment 5, different is that the heat exchanger heat storage is the ellipsoid shape, as shown in Figure 7.
Embodiment 7.
Be used for the heat-storing sphere in the blast funnace hot blast stove, be coated with a floor height radiative material coating on spherical heat storage surface, the coating component is: 15 parts in silicon carbide, 2 parts in brown corundum, 35 parts of zirconium whites, 2 parts of wilkinites, 6 parts in chromic oxide, 27 parts in PA80 glue, 13 parts in water is weight part.
Before brushing high radiative material coating, spray one deck pretreatment liquid earlier on the heat storage surface, pretreatment liquid is the aqueous solution that contains weight percent 10% water glass.
Embodiment 8.
Scribble a floor height radiative material coating in steel matrix heat storage surface brush, the coating component is: Fe 2O 360 parts, 5 parts of zirconium whites, 20 parts of water glass, 15 parts in water is weight part.Before brushing high radiative material coating, brush one deck pretreatment liquid earlier on the heat storage surface, pretreatment liquid is the aqueous solution that contains weight percent 8%PA80 glue.
High radiative material clad material on the heat exchanger heat storage of the present invention can be chosen wantonly, and above embodiment only is the explanation technical scheme, is not limiting invention.

Claims (9)

1, heat exchanger comprises heat storage, it is characterized in that scribbling a floor height radiative material coating at one or more surfaces of heat storage surface.
2, heat exchanger as claimed in claim 1 is characterized in that described high radiative material coating thickness 0.02～3mm.
3, heat exchanger as claimed in claim 1 is characterized in that the emittance of described high radiative material is higher than the emittance of heat storage body material.
4, heat exchanger as claimed in claim 1, the shape that it is characterized in that described heat storage are one of following:
Cellular, the fin shape, ball or ellipsoid shape, tabular.
5, heat exchanger as claimed in claim 1 is characterized in that described heat storage is the heat storage that endoporus is arranged.
6, heat exchanger as claimed in claim 5 is characterized in that described endoporus is circular, square, rectangle, rhombus, sexangle or other Polygonss.
7, heat exchanger as claimed in claim 1, the cross-sectional shape that it is characterized in that described heat storage are circular, square, rectangle, rhombus, sexangle or other Polygonss.
8, heat exchanger as claimed in claim 1 is characterized in that before the high radiative material coating of brushing, spraying or dip-coating, applies one deck pretreatment liquid earlier at the heat storage matrix surface, and pretreatment liquid is the aqueous solution that contains PA80 glue or water glass.
9, heat exchanger as claimed in claim 1 is characterized in that described heat storage matrix made by refractory materials, stupalith or ferrous materials.
CNB200510043838XA 2005-06-17 2005-06-17 Heat exchanger with covering layer Active CN100412495C (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CNB200510043838XA CN100412495C (en) 2005-06-17 2005-06-17 Heat exchanger with covering layer
US11/815,488 US20080128121A1 (en) 2005-06-17 2005-11-15 Heat Storage Device with Heat-Radiative Coating
KR1020087000465A KR20080028914A (en) 2005-06-17 2005-11-25 A heat storage body with a coated layer for heat exchanging
DE112005003606T DE112005003606T5 (en) 2005-06-17 2005-11-25 Heat storage device with heat radiating coating
JP2008516105A JP5145215B2 (en) 2005-06-17 2005-11-25 Heat storage body with cover layer for heat exchange
PCT/CN2005/002010 WO2006133608A1 (en) 2005-06-17 2005-11-25 A heat storage body with a coated layer for heat exchanging
RU2007148680/06A RU2387938C2 (en) 2005-06-17 2005-11-25 Method for manufacturing heat-retaining element, and heat-retaining element made by such method
US13/369,332 US20120208142A1 (en) 2005-06-17 2012-02-09 Heat exchanger device with heat-radiative coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB200510043838XA CN100412495C (en) 2005-06-17 2005-06-17 Heat exchanger with covering layer

Publications (2)

Publication Number Publication Date
CN1696596A true CN1696596A (en) 2005-11-16
CN100412495C CN100412495C (en) 2008-08-20

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CNB200510043838XA Active CN100412495C (en) 2005-06-17 2005-06-17 Heat exchanger with covering layer

Country Status (7)

Country Link
US (1) US20080128121A1 (en)
JP (1) JP5145215B2 (en)
KR (1) KR20080028914A (en)
CN (1) CN100412495C (en)
DE (1) DE112005003606T5 (en)
RU (1) RU2387938C2 (en)
WO (1) WO2006133608A1 (en)

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WO2010051682A1 (en) * 2008-11-05 2010-05-14 上海神曦太阳能科技有限公司 Solar energy heat-storage device and method making it
CN104654872A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Honeycomb blocks for high temperature heat energy and manufacturing method of same
CN104650821A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Solid particle blocks for chemical heat storage
CN104654864A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Honeycomb block for chemical heat storage
CN104650820A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Formula of chemical heat storage material for heat transfer
CN104654870A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Solid granule blocks for high temperature heat transferring
CN105651092A (en) * 2016-03-29 2016-06-08 东莞市兆荣节能科技有限公司 Assembled phase-change cold storage ball
CN107407532A (en) * 2015-02-26 2017-11-28 杜尔系统股份公司 For the heat exchanger for controlling the type part of fluid temperature (F.T.) and being constructed using this type part
CN109076716A (en) * 2016-05-10 2018-12-21 三菱电机株式会社 Radiator

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Publication number Priority date Publication date Assignee Title
WO2010051682A1 (en) * 2008-11-05 2010-05-14 上海神曦太阳能科技有限公司 Solar energy heat-storage device and method making it
CN104654872A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Honeycomb blocks for high temperature heat energy and manufacturing method of same
CN104650821A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Solid particle blocks for chemical heat storage
CN104654864A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Honeycomb block for chemical heat storage
CN104650820A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Formula of chemical heat storage material for heat transfer
CN104654870A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Solid granule blocks for high temperature heat transferring
CN107407532A (en) * 2015-02-26 2017-11-28 杜尔系统股份公司 For the heat exchanger for controlling the type part of fluid temperature (F.T.) and being constructed using this type part
CN105651092A (en) * 2016-03-29 2016-06-08 东莞市兆荣节能科技有限公司 Assembled phase-change cold storage ball
CN109076716A (en) * 2016-05-10 2018-12-21 三菱电机株式会社 Radiator
CN109076716B (en) * 2016-05-10 2020-10-27 三菱电机株式会社 Heat radiator

Also Published As

Publication number Publication date
RU2387938C2 (en) 2010-04-27
KR20080028914A (en) 2008-04-02
US20080128121A1 (en) 2008-06-05
WO2006133608A1 (en) 2006-12-21
RU2007148680A (en) 2009-07-27
DE112005003606T5 (en) 2008-04-30
CN100412495C (en) 2008-08-20
JP2008544201A (en) 2008-12-04
JP5145215B2 (en) 2013-02-13

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