CN101995176A - Method and device for carrying out heat exchange between fluids - Google Patents
Method and device for carrying out heat exchange between fluids Download PDFInfo
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- CN101995176A CN101995176A CN2009101837900A CN200910183790A CN101995176A CN 101995176 A CN101995176 A CN 101995176A CN 2009101837900 A CN2009101837900 A CN 2009101837900A CN 200910183790 A CN200910183790 A CN 200910183790A CN 101995176 A CN101995176 A CN 101995176A
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Abstract
The invention discloses method and device for carrying out heat exchange between fluids, which belongs to heat exchange equipment and method. The device comprises a large-diameter pipeline and a small-diameter pipeline with different pipe diameters, wherein the small-diameter pipeline is sleeved in the large-diameter pipeline and is made of metal materials with good heat conduction performance, and metal wire heat conduction bodies with good heat conduction performance and capability of passing the fluids are filled in the small-diameter pipeline and in a gap between the two pipelines. The two fluids respectively flow in the large-diameter pipeline and the small-diameter pipeline in opposite flowing directions, when the two fluids have the temperature difference, the heat can be conducted from the high-temperature fluid to the low-temperature fluid through the surface of the metal wire heat conduction bodies and the surface of the small-diameter pipeline, so the heat exchange can be realized. The invention has the advantage of simple structure, greatly improves the heat exchange efficiency and can effectively improve the energy source utilization efficiency.
Description
Technical field
The present invention relates to carry out between a kind of fluid the method and apparatus of exchange heat, belong to heat-exchange apparatus and method.
Background technology
In daily life and each field of industrial production, often need carry out the exchange heat between the fluid, these exchanges usually occur between liquid and the liquid, between gas and the gas, between gas and the liquid, main exchanging form comprises evaporation, condensation, heating, cooling etc., as the cooling of central air-conditioning, the evaporation of water vapour, condensation, the heat exchange of chemical process etc.
Exchange heat means commonly used have pipe type heat transfer, plate-type heat-exchange, spray heat exchange etc., in every profession and trade, use very extensive, but the ubiquity heat exchange efficiency is low, defective such as device structure complexity, volume are big, especially heat exchange efficiency is low, Btu utilization is insufficient, causes a large amount of wastes, and the energy of annual therefore loss is very surprising.
Summary of the invention
For solving the problems of the technologies described above, the invention provides the method and apparatus that carries out exchange heat between a kind of fluid, can improve efficiency of energy utilization effectively.
The present invention adopts following technical scheme to realize: the device that carries out exchange heat between a kind of fluid, it is characterized in that: comprise large-diameter pipeline and small diameter pipeline that two calibers vary in size, small diameter pipeline is sleeved in the large-diameter pipeline, small diameter pipeline adopts heat conductivility good metal material to make, and is filled with in small diameter pipeline and in the gap of two pipelines fluid is passed through and heat conductivility good metal silk thermal conductor.
Carry out the method for exchange heat between a kind of fluid, in above-mentioned heat-exchange device, carry out; Two kinds of fluids flow respectively in large-diameter pipeline and small diameter pipeline, and flow direction is opposite, and when two kinds of fluids had temperature difference, heat was just conducted to cryogen by high temperature fluid by the surface of wire thermal conductor and small diameter pipeline, realize exchange heat.
The invention has the beneficial effects as follows: simple in structure, heat exchange efficiency increases substantially, and can improve efficiency of energy utilization effectively.
Description of drawings
Below with reference to drawings and Examples apparatus and method of the present invention are described in further detail.
Fig. 1 is a principle of the invention schematic diagram.
Fig. 2 is the transverse cross-sectional view of Fig. 1.
Fig. 3 is one embodiment of the present of invention schematic diagrames.
Among the figure: 1, large-diameter pipeline, 2, small diameter pipeline, 3 wire thermal conductors.
The specific embodiment
Below with reference to drawings and Examples the present invention is described in further detail.
As depicted in figs. 1 and 2, in this device, it is circular pipeline that large-diameter pipeline 1, small diameter pipeline 2 all adopt the cross section; Large-diameter pipeline 1 and small diameter pipeline 2 concentrics are installed.Also can adopt the square-section pipeline.Large-diameter pipeline 1 is sleeved on the outside of small diameter pipeline 2 in other words.Small diameter pipeline 2 adopts heat conductivility good metal pipe, and two kinds of liquid flow respectively in large-diameter pipeline 1 and small diameter pipeline 2, and direction is opposite, as shown by arrows.When two kinds of fluids had temperature difference, heat was just conducted to cryogen by high temperature fluid by the surface of small diameter pipeline 2, realized exchange heat.If large-diameter pipeline 1 and small diameter pipeline 2 have enough length, can realize sufficient exchange heat.
For improving heat exchange efficiency: in the gap of two pipelines and in the small diameter pipeline 2, all fill out to be placed with and twine the wire thermal conductor of making 3 by heat conductivility good metal filament, fluid must pass through wire thermal conductor 3 in flow process, and wire thermal conductor 3 and small diameter pipeline 2 surperficial full contacts.When the opposite fluid of two kinds of temperature differences, flow direction flows respectively in the gap of two pipelines and in the small diameter pipeline 2, the part of the heat that high temperature fluid is entrained is by small diameter pipeline 2 surfaces, directly absorbed by small diameter pipeline 2, the entrained another part heat of high temperature fluid is then absorbed by wire thermal conductor 3 in high temperature fluid passes through the process of wire thermal conductor 3, and passes to small diameter pipeline 2.Because the surface of wire thermal conductor 3 is much larger than the surface of small diameter pipeline 2, and because the capacity of heat transmission of wire thermal conductor 3 far above fluid media (medium), makes small diameter pipeline 2 obtain more heat.
After small diameter pipeline 2 had obtained more heat, a part was conducted to cryogen by the surface of small diameter pipeline 2, and another part heat then conducts to wire thermal conductor 3, is further conducted to cryogen by wire thermal conductor 3.Like this because the participation of wire thermal conductor 3, the carrying out that has quickened the exchange heat process of two kinds of fluids greatly.
Because being twined by heat conductivility good metal filament, makes wire thermal conductor 3, the inner space that exists much more very, and these spaces are that fluid has passed through passage, and the process that fluid detours between these spaces has also further been strengthened the heat exchange effect.
Be that the present invention is further described for example with the gas heat exchange below.
As depicted in figs. 1 and 2, the mobile in the direction of arrows normal temperature air of large-diameter pipeline 1, the mobile in the direction of arrows high-temperature flue gas of small diameter pipeline 2.At two kinds of gases in opposite directions in the process of flowing, owing to there is the temperature difference, a heat part of carrying in the high-temperature flue gas is directly transferred to small diameter pipeline 2, and another part is at first absorbed by wire thermal conductor 3, and then being transmitted to small diameter pipeline 2, temperature reduced after high-temperature flue gas lost heat.After small diameter pipeline 2 obtained heat, a part directly heated the cold air in the large-diameter pipeline 1, another part heating of metal silk thermal conductor 3, and by the air in the wire thermal conductor 3 heating large-diameter pipelines 1, temperature raise after normal temperature air obtained heat.After exchange finished, the high-temperature flue gas in the small diameter pipeline 2 obtained cooling, and the normal temperature air in the large-diameter pipeline 1 obtains heating, and the heat that carries in the high-temperature flue gas is switched in the air, so that heat energy recovery.
In heat exchanging process, wire thermal conductor 3 remains and small diameter pipeline 2 surperficial excellent contact.
Wire thermal conductor 3 can irregularly twine.
The efficient of the packed density of wire thermal conductor 3 and filling length decision heat exchanging process, packed density is big, heat exchange efficiency height, but the corresponding increase of resistance; Fill the big good effect of heat exchange of length but the equipment size increase.
The filling length of wire thermal conductor 3 generally is not less than 5 times of small diameter pipeline 2 diameters.
Large-diameter pipeline 1 and small diameter pipeline 2 can be placed wire thermal conductor 3 simultaneously, also can be in large-diameter pipeline 1 inside or the small diameter pipeline 2 inner wire thermal conductors 3 of placing separately.Especially the fluid in pipeline is the heat conductivility better fluid, as water, can rely on the heat conductivility of self to finish exchange heat, and needn't place wire thermal conductor 3.
Fig. 3 is an another embodiment of the present invention.In the present embodiment, only in the gap of two pipelines, fill out and put wire thermal conductor 3.Normal temperature air in the direction of arrows flows in the large-diameter pipeline 1, small diameter pipeline 2 flows in the direction of arrows needs the hot water of cooling, owing to there is the temperature difference, the heat that carries in the hot water is transmitted to small diameter pipeline 2, after small diameter pipeline 2 obtains heat, a part directly heats the air in the large-diameter pipeline 1, another part heating of metal silk thermal conductor 3, add hot-air by wire thermal conductor 3, after exchange finished, the hot water in the small diameter pipeline 2 obtained cooling, and the normal temperature air in the large-diameter pipeline 1 obtains heating, the heat that carries in the hot water is switched in the air, so that heat energy recovery.In this embodiment, the heat conductivility of air is poor because the heat conductivility of water is good, therefore, at the large-diameter pipeline 1 inner heat exchange effect of placing wire thermal conductor 3 with the reinforcement air, and does not place wire thermal conductor 3 in small diameter pipeline 2 inside.
In order to prevent thermal loss, the outer surface of large-diameter pipeline 1 is made by the good material of heat-insulating property.
Claims (4)
1. carry out the device of exchange heat between the fluid, it is characterized in that: comprise large-diameter pipeline (1) and small diameter pipeline (2) that two calibers vary in size, small diameter pipeline (2) is sleeved in the large-diameter pipeline (1), small diameter pipeline 2 adopts heat conductivility good metal material to make, and is filled with in small diameter pipeline (2) and in the gap of two pipelines fluid is passed through and heat conductivility good metal silk thermal conductor (3).
2. carry out the device of exchange heat between a kind of fluid according to claim 1, it is characterized in that: large-diameter pipeline (1) and the coaxial installation of small diameter pipeline (2).
3. carry out the device of exchange heat between a kind of fluid according to claim 1, it is characterized in that: the filling length of wire thermal conductor (3) generally is not less than 5 times of small diameter pipeline 2 diameters.
4. carry out the method for exchange heat between the fluid, it is characterized in that: in the described heat-exchange device of claim 1, carry out; Two kinds of fluids flow respectively in large-diameter pipeline (1) and small diameter pipeline (2), flow direction is opposite, when two kinds of fluids had temperature difference, heat was just conducted to cryogen by high temperature fluid by the surface of wire thermal conductor (3) and small diameter pipeline (2), realized exchange heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101837900A CN101995176A (en) | 2009-08-11 | 2009-08-11 | Method and device for carrying out heat exchange between fluids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101837900A CN101995176A (en) | 2009-08-11 | 2009-08-11 | Method and device for carrying out heat exchange between fluids |
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| CN101995176A true CN101995176A (en) | 2011-03-30 |
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| CN2009101837900A Pending CN101995176A (en) | 2009-08-11 | 2009-08-11 | Method and device for carrying out heat exchange between fluids |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276826A (en) * | 2014-07-10 | 2016-01-27 | 宋向东 | High temperature solar thermal power metal conduction system |
| CN108002507A (en) * | 2017-11-23 | 2018-05-08 | 无锡盛雅生物科技有限公司佛山分公司 | Hydrogen rich water soaks ball |
| CN108131962A (en) * | 2018-01-02 | 2018-06-08 | 东北师范大学 | Device based on moisture in deep soil perseverance cryogenic trapping highly humid air |
-
2009
- 2009-08-11 CN CN2009101837900A patent/CN101995176A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276826A (en) * | 2014-07-10 | 2016-01-27 | 宋向东 | High temperature solar thermal power metal conduction system |
| CN108002507A (en) * | 2017-11-23 | 2018-05-08 | 无锡盛雅生物科技有限公司佛山分公司 | Hydrogen rich water soaks ball |
| CN108131962A (en) * | 2018-01-02 | 2018-06-08 | 东北师范大学 | Device based on moisture in deep soil perseverance cryogenic trapping highly humid air |
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Application publication date: 20110330 |