CN103557737A - Heat preserving device for telescope-feed heat exchanger - Google Patents
Heat preserving device for telescope-feed heat exchanger Download PDFInfo
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- CN103557737A CN103557737A CN201310432452.2A CN201310432452A CN103557737A CN 103557737 A CN103557737 A CN 103557737A CN 201310432452 A CN201310432452 A CN 201310432452A CN 103557737 A CN103557737 A CN 103557737A
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Abstract
The invention relates to the technical field of heat exchanging devices and particularly relates to a heat preserving device for a telescope-feed heat exchanger. The heat preserving device comprises a heat exchanging liner, wherein a first heat insulation layer, a second heat insulation layer and a heat preserving layer are sequentially arranged on an outer surface of the heat exchanging liner from inside to outside, and the liner is provided with an exchange medium inlet, a heating medium inlet and a sewage drain outlet. A method for producing the heat preserving device includes selecting the heat exchanging liner, evenly spraying the first heat insulation layer on the outer surface of the heat exchanging liner and drying the heat insulation layer; evenly covering the second heat insulation layer onto an outer surface of the first heat insulation layer and drying the second heat insulation layer; evenly covering the heat preserving layer on an outer surface of the second heat insulation layer and drying the heat preserving layer; opening the exchange medium inlet, the heating medium inlet and the sewage drain outlet in an appropriate position of a product obtained from above steps to obtain a finished product. The method is simple in operation and high in production efficiency. The heat preserving device is simple in structure, difficult to crush and good in heat preserving effect.
Description
Technical field
The present invention relates to technical field of heat exchange devices, relate in particular to a kind of attemperator for sleeve type heat exchanger.
Background technology
Heat exchanger is the equipment of heat-shift between two media, is all based on conduction.The combination a kind of or wherein some mode of radiation and three kinds of thermaltransmission modes of convection current carrys out transferring heat.
The common heat exchanger that is applicable at present air heat exchange mainly contains shell-and-tube and bushing type by version, comprises hot blast import, hot-blast outlet, cold wind import, cold air heating outlet, cold air duct and hot-air channel.Hot blast import, hot-blast outlet are communicated with hot-air channel, and cold wind import, cold air heating outlet are communicated with cold air duct; Cold wind and hot blast flow respectively in cold air duct and hot-air channel, carry out each other heat exchange.
Tube shell type structure formula heating surface bank adopts welding or expanded joint to be fixed on the tube sheet of two ends, then tube sheet is fixed on housing.Two media flow to form heat exchange inside and outside pipe, and its shortcoming is that pipe difficulty is unpicked and washed, when the temperature difference is when more than 70 ℃, by excessive damage of thermal stress due to generation.
And sleeve type structure is that the different pipe of diameter is nested together, two media neutralizes between two pipes and passes through in annular space in inner tube respectively, carries out heat exchange.
The weak point of above-mentioned two kinds of structures is all to have adopted tubing, its area of section is relatively little, the efficiency of heat exchange is not high, can only be to increase length and quantity for reaching the effect of augmentation of heat transfer, therefore increase weight of equipment and welding cost, generally without special device in the situation that, be only applicable to the occasion that two media has a narrow range of temperature, otherwise can produce very large stress because of thermal expansion, finally cause heat exchanger to be scrapped.
In order to overcome the defect of above technology, on market, released a kind of lightweight, sleeve type heat exchanger that heat exchange efficiency is high, sleeve type heat exchanger comprises attemperator, and existing attemperator complex structure, is easy to fragmentation, and heat insulation effect is poor.
Summary of the invention
The present invention provides a kind of attemperator for sleeve type heat exchanger for overcoming above-mentioned defect, simple in structure, is difficult to fragmentation, high insulating effect.
For achieving the above object, the present invention adopts following technical scheme.
An attemperator for sleeve type heat exchanger, comprises heat-exchange inner container, and described heat-exchange inner container outer surface is provided with the first thermal insulation layer, the second thermal insulation layer and heat-insulation layer from inside to outside successively, and described inner bag is respectively equipped with exchange media entrance, heating agent entrance and sewage draining exit.
Wherein, described the first thermal insulation layer is nano heat insulating layer.
Further, the intermolecular distance of described nano heat insulating layer is less than ultrared wavelength.
Wherein, described the second thermal insulation layer is nanometer level microporous thermal insulation layer.
Further, described nanometer level microporous thermal insulation layer is calcium carbonate layer or magnesium carbonate layer.
Further, the hole ratio of described calcium carbonate layer or magnesium carbonate layer is 90-95%, and the aperture of described hole is 15-20nm.
Wherein, described heat-insulation layer is fluorinefree polyurethane heat-insulation layer.
Further, the thermal conductivity of described fluorinefree polyurethane heat-insulation layer is 0.015-0.018w/ (mk).
Further, the thickness of described the first thermal insulation layer is 1-5mm, and the thickness of described the second thermal insulation layer is 1-5mm, and the thickness of described heat-insulation layer is 10-20mm.
Beneficial effect of the present invention is: a kind of attemperator for sleeve type heat exchanger of the present invention, comprise heat-exchange inner container, described heat-exchange inner container outer surface is provided with the first thermal insulation layer, the second thermal insulation layer and heat-insulation layer from inside to outside successively, and described inner bag is respectively equipped with exchange media entrance, heating agent entrance and sewage draining exit; The principal mode of the heat leakage of heat-exchange inner container is heat radiation, and being mainly infrared waves, heat radiation disperses, the intermolecular distance of the first thermal insulation layer being provided with at the outer surface of heat-exchange inner container is less than ultrared wavelength, and the infrared waves that effectively intercepts and rebound, prevents heat leakage; At the outer surface of the first thermal insulation layer, establish the second thermal insulation layer, the second thermal insulation layer is nano level calcium carbonate layer or magnesium carbonate layer, the hole ratio of described calcium carbonate layer or magnesium carbonate layer reach 95% and aperture be 20nm, not only can effectively prevent heat radiation, solid conduction, can also adsorb the gas in hole, this structure produces class vacuum state at the second thermal insulation layer, can make the conduction of molecular vibration heat and the radiation thermal conduction efficiency of the second thermal insulation layer level off to zero, can effectively intercept the heat energy dissipation of heat-exchange inner container; Heat-insulation layer is fluorinefree polyurethane heat-insulation layer, its thermal conductivity is 0.015-0.018w/ (mk), this heat-insulation layer utilizes fluorinefree polyurethane with 150 kilograms of pressure integral foams, to form under special-purpose foaming machine is accurately controlled, this heat-insulation layer has the following advantages: 1, thermal conductivity 0.018w/ (mk) only, effectively prevents heat leakage; 2, special equipment is controlled foaming process, and even structure is stable; 3, integral foam makes heat-insulation layer be full of whole the second thermal insulation layer; 4, because the second thermal insulation layer is multiple hole structure, be subject to external force easily broken, integral foam can carry out buffer protection to the second thermal insulation layer, effectively absorbs external impacts, protects the second thermal insulation layer not to be damaged.
Accompanying drawing explanation
With accompanying drawing, the invention will be further described, but embodiment in accompanying drawing does not form any limitation of the invention.
Fig. 1 is the structural representation of a kind of attemperator for sleeve type heat exchanger of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated, and this is preferred embodiment of the present invention.
As shown in Figure 1, a kind of attemperator for sleeve type heat exchanger of the present invention
A kind of attemperator for sleeve type heat exchanger, comprise heat-exchange inner container 7, described heat-exchange inner container 7 outer surfaces are provided with the first thermal insulation layer 1, the second thermal insulation layer 2 and heat-insulation layer 3 from inside to outside successively, and described inner bag is respectively equipped with exchange media entrance 5, heating agent entrance 4 and sewage draining exit 6.
First thermal insulation layer 1 of the present embodiment is nano heat insulating layer.
The intermolecular distance of the nano heat insulating layer of the present embodiment is less than ultrared wavelength.
Second thermal insulation layer 2 of the present embodiment is nanometer level microporous thermal insulation layer.
The nanometer level microporous thermal insulation layer of the present embodiment is calcium carbonate layer.
The hole ratio of the calcium carbonate layer of the present embodiment or magnesium carbonate layer is 90%, and the aperture of described hole is 20nm.
The heat-insulation layer 3 of the present embodiment is fluorinefree polyurethane heat-insulation layer.
The thermal conductivity of the fluorinefree polyurethane heat-insulation layer of the present embodiment is 0.015w/ (mk).
Further, the thickness of described the first thermal insulation layer 1 is 1mm, and the thickness of described the second thermal insulation layer 2 is 1mm, and the thickness of described heat-insulation layer 3 is 10mm.
Principle of the present invention is: a kind of attemperator for sleeve type heat exchanger of the present invention, comprise heat-exchange inner container 7, described heat-exchange inner container 7 outer surfaces are provided with the first thermal insulation layer 1, the second thermal insulation layer 2 and heat-insulation layer 3 from inside to outside successively, and described inner bag is respectively equipped with exchange media entrance 5, heating agent entrance 4 and sewage draining exit 6; The principal mode of the heat leakage of heat-exchange inner container 7 is heat radiation, and being mainly infrared waves, heat radiation disperses, the intermolecular distance of the first thermal insulation layer 1 being provided with at the outer surface of heat-exchange inner container 7 is less than ultrared wavelength, and the infrared waves that effectively intercepts and rebound, prevents heat leakage; At the outer surface of the first thermal insulation layer 1, establish the second thermal insulation layer 2, the second thermal insulation layer 2 is nano level calcium carbonate layer or magnesium carbonate layer, the hole ratio of described calcium carbonate layer or magnesium carbonate layer reach 95% and aperture be 20nm, not only can effectively prevent heat radiation, solid conduction, can also adsorb the gas in hole, this structure produces class vacuum state at the second thermal insulation layer 2, can make the conduction of molecular vibration heat and the radiation thermal conduction efficiency of the second thermal insulation layer 2 level off to zero, can effectively intercept the heat energy dissipation of heat-exchange inner container 7; Heat-insulation layer 3 is fluorinefree polyurethane heat-insulation layer, its thermal conductivity is 0.015-0.018w/ (mk), this heat-insulation layer 3 utilizes fluorinefree polyurethane with 150 kilograms of pressure integral foams, to form under special-purpose foaming machine is accurately controlled, this heat-insulation layer 3 has the following advantages: 1, thermal conductivity 0.018w/ (mk) only, effectively prevents heat leakage; 2, special equipment is controlled foaming process, and even structure is stable; 3, integral foam makes heat-insulation layer 3 be full of whole the second thermal insulation layer 2; 4, because the second thermal insulation layer 2 is multiple hole structures, be subject to external force easily broken, integral foam can carry out buffer protection to the second thermal insulation layer 2, effectively absorbs external impacts, protects the second thermal insulation layer 2 not to be damaged.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although the present invention has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not depart from essence and the scope of technical solution of the present invention.
Claims (8)
1. the attemperator for sleeve type heat exchanger, comprise heat-exchange inner container, it is characterized in that: described heat-exchange inner container outer surface is provided with the first thermal insulation layer, the second thermal insulation layer and heat-insulation layer from inside to outside successively, and described inner bag is respectively equipped with exchange media entrance, heating agent entrance and sewage draining exit.
2. a kind of attemperator for sleeve type heat exchanger according to claim 1, is characterized in that: described the first thermal insulation layer is nano heat insulating layer.
3. a kind of attemperator for sleeve type heat exchanger according to claim 2, is characterized in that: the intermolecular distance of described nano heat insulating layer is less than ultrared wavelength.
4. a kind of attemperator for sleeve type heat exchanger according to claim 1, is characterized in that: described the second thermal insulation layer is nanometer level microporous thermal insulation layer.
5. a kind of attemperator for sleeve type heat exchanger according to claim 4, is characterized in that: described nanometer level microporous thermal insulation layer is calcium carbonate layer or magnesium carbonate layer.
6. a kind of attemperator for sleeve type heat exchanger according to claim 5, is characterized in that: the hole ratio of described calcium carbonate layer or magnesium carbonate layer is 90-95%, and the aperture of described hole is 15-20nm.
7. a kind of attemperator for sleeve type heat exchanger according to claim 1, is characterized in that: described heat-insulation layer is fluorinefree polyurethane heat-insulation layer.
8. a kind of attemperator for sleeve type heat exchanger according to claim 1, is characterized in that: the thickness of described the first thermal insulation layer is 1-5mm, and the thickness of described the second thermal insulation layer is 1-5mm, and the thickness of described heat-insulation layer is 10-20mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310432452.2A CN103557737B (en) | 2013-09-22 | 2013-09-22 | A kind of attemperator for sleeve type heat exchanger |
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| CN201310432452.2A CN103557737B (en) | 2013-09-22 | 2013-09-22 | A kind of attemperator for sleeve type heat exchanger |
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| CN103557737A true CN103557737A (en) | 2014-02-05 |
| CN103557737B CN103557737B (en) | 2016-07-20 |
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| CN2524044Y (en) * | 2001-04-26 | 2002-12-04 | 刘志光 | Composite thermal insulating pipes |
| CN2541704Y (en) * | 2002-02-09 | 2003-03-26 | 刘志光 | Compound warm soft sheathing |
| CN1410739A (en) * | 2002-09-24 | 2003-04-16 | 宁夏利谷星科技有限公司 | Surface plated heat exchange pipe and its application method |
| CN201811201U (en) * | 2010-09-10 | 2011-04-27 | 长沙科星纳米工程技术有限公司 | Coal burning boiler based on coating technology |
| CN201811612U (en) * | 2010-04-07 | 2011-04-27 | 湖南利能科技股份有限公司 | Bath waste water heat recovery device |
| CN201875959U (en) * | 2010-11-19 | 2011-06-22 | 山东帅克新能源有限公司 | Vacuum heat pipe type heat collector |
| CN202082906U (en) * | 2011-05-10 | 2011-12-21 | 长沙科星纳米工程技术有限公司 | Gas-fired boiler based on energy-saving coating technology |
| CN102976710A (en) * | 2012-11-22 | 2013-03-20 | 华东理工大学 | Nano miroporous heat-insulating material |
| CN103289182A (en) * | 2012-02-22 | 2013-09-11 | 辽宁辽杰科技有限公司 | Core plate as well as preparation method and uses thereof |
| CN203518771U (en) * | 2013-09-22 | 2014-04-02 | 东莞市丹佛斯节能科技有限公司 | Heat-preserving device used for sleeve heat exchanger |
-
2013
- 2013-09-22 CN CN201310432452.2A patent/CN103557737B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2524044Y (en) * | 2001-04-26 | 2002-12-04 | 刘志光 | Composite thermal insulating pipes |
| CN2541704Y (en) * | 2002-02-09 | 2003-03-26 | 刘志光 | Compound warm soft sheathing |
| CN1410739A (en) * | 2002-09-24 | 2003-04-16 | 宁夏利谷星科技有限公司 | Surface plated heat exchange pipe and its application method |
| CN201811612U (en) * | 2010-04-07 | 2011-04-27 | 湖南利能科技股份有限公司 | Bath waste water heat recovery device |
| CN201811201U (en) * | 2010-09-10 | 2011-04-27 | 长沙科星纳米工程技术有限公司 | Coal burning boiler based on coating technology |
| CN201875959U (en) * | 2010-11-19 | 2011-06-22 | 山东帅克新能源有限公司 | Vacuum heat pipe type heat collector |
| CN202082906U (en) * | 2011-05-10 | 2011-12-21 | 长沙科星纳米工程技术有限公司 | Gas-fired boiler based on energy-saving coating technology |
| CN103289182A (en) * | 2012-02-22 | 2013-09-11 | 辽宁辽杰科技有限公司 | Core plate as well as preparation method and uses thereof |
| CN102976710A (en) * | 2012-11-22 | 2013-03-20 | 华东理工大学 | Nano miroporous heat-insulating material |
| CN203518771U (en) * | 2013-09-22 | 2014-04-02 | 东莞市丹佛斯节能科技有限公司 | Heat-preserving device used for sleeve heat exchanger |
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| CN103557737B (en) | 2016-07-20 |
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Owner name: GUANGZHOU LOONGZHENG ENERGY SAVING ENVIRONMENTAL P Free format text: FORMER OWNER: DONGGUAN DANFOSS ENERGY SAVING TECHNOLOGY CO., LTD. Effective date: 20140725 |
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Free format text: CORRECT: ADDRESS; FROM: 523073 DONGGUAN, GUANGDONG PROVINCE TO: 523000 DONGGUAN, GUANGDONG PROVINCE |
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Effective date of registration: 20140725 Address after: 523000 Dongguan City, Zhejiang Province, Songshan Lake high tech Industrial Development Zone, the northern industrial city of small science and technology enterprises in the park, building, room 2, room 4, Room 201 Applicant after: Guangzhou Loongzheng Energy Saving Environmental Protection Technology Co., Ltd. Address before: Nancheng District 523073 Guangdong city of Dongguan province Zanhua office building of China Road No. 1503 of the villa Activity Center Applicant before: Dongguan Danfoss Energy Technology Co., Ltd. |
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Address after: Hsinchu Songshan Lake high tech Industrial Development Zone of Dongguan City, Guangdong province 523808 No. 4 Building No. 5, third new Guangdong 4, 5 Patentee after: Environmental protection Limited by Share Ltd Address before: 523000 Dongguan City, Zhejiang Province, Songshan Lake high tech Industrial Development Zone, the northern industrial city of small science and technology enterprises in the park, building, room 2, room 4, Room 201 Patentee before: Guangzhou Loongzheng Energy Saving Environmental Protection Technology Co., Ltd. |
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