CN205373439U - Compound binary channels condensation heat transfer device of borosilicate glass aluminum alloy - Google Patents
Compound binary channels condensation heat transfer device of borosilicate glass aluminum alloy Download PDFInfo
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- CN205373439U CN205373439U CN201520949080.5U CN201520949080U CN205373439U CN 205373439 U CN205373439 U CN 205373439U CN 201520949080 U CN201520949080 U CN 201520949080U CN 205373439 U CN205373439 U CN 205373439U
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- heat exchange
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- straight pipe
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- spiral pipe
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- 238000009833 condensation Methods 0.000 title claims abstract description 56
- 230000005494 condensation Effects 0.000 title claims abstract description 56
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 24
- 239000005388 borosilicate glass Substances 0.000 title claims abstract description 16
- 150000001875 compounds Chemical class 0.000 title claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000741 silica gel Substances 0.000 claims description 13
- 229910002027 silica gel Inorganic materials 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a compound binary channels condensation heat transfer device of borosilicate glass aluminum alloy, this heat transfer device adopt binary channels condensation heat transfer method, this heat transfer device upper portion includes two air inlets and two gas outlets, and the lower part includes two drainage ends, interior spiral pipe interface and the straight tube interface of including of drainage end, and the aluminum alloy outer tube of high heat conduction is adopted to this heat transfer device outside, and the inside adoption inside and outside double helix that borosilicate glass made is managed and two straight tubes, simultaneously at the high series thermal silica of this heat transfer device inside space position packing. The utility model discloses the purpose that improves heat exchange efficiency has been realized through adopting highly heat -conductive material and secondary condensation heat transfer method, under the same operating condition to two spiral pipes and two condensation heat transfer passageways of the common constitution of straight tube for gaseous condensation effect is better.
Description
Technical Field
The invention belongs to the field of gas condensation heat exchange, and particularly relates to a high borosilicate glass/aluminum alloy composite double-channel condensation heat exchange method and device.
Background
With the continuous development of modern new processes and new technologies and the increasing severity of energy problems, more demands for high-performance heat exchange devices are brought. The performance of the heat exchange device plays an important, and sometimes even decisive, role in product quality, energy utilization, and system economics and reliability.
For the common gas condensation heat exchange device at present, the adopted heat exchange method is to use air or water as a heat exchange medium, a shell made of glass is adopted, and high-temperature gas exchanges heat with an external cold source through the heat exchange medium (air or water) in the heat exchange device and the glass shell, so that the corresponding heat exchange purpose is achieved. However, since glass has a thermal conductivity of 1.1W/(mK), air has a thermal conductivity of 0.0244W/(mK) in a standard state, and water has a thermal conductivity of 0.58W/(mK) at 4 ℃, a heat exchanger using a glass casing and air or water as a heat exchange medium has low heat exchange efficiency, and it is difficult to satisfy the requirement for condensation of high-temperature gas.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a high-heat-conductivity high borosilicate glass/aluminum alloy composite double-channel condensation heat exchange method and device, which adopts a high borosilicate glass double spiral pipe to enlarge the heat conduction area; an aluminum alloy outer sleeve (the thermal conductivity coefficient is about 220W/(m.K)) is adopted, and high-thermal-conductivity silica gel (the thermal conductivity coefficient is more than 10W/(m.K)) is filled in the heat exchange device to improve the heat exchange efficiency. Finally, the purpose of improving the heat exchange efficiency of the heat exchange device is achieved.
The utility model adopts the technical proposal that: a high borosilicate glass/aluminum alloy composite double-channel condensation heat exchange device adopts a double-channel condensation heat exchange method; the upper part of the heat exchange device comprises two air inlets and two air outlets, the lower part of the heat exchange device comprises two water discharging ends, the water discharging ends internally comprise spiral pipe interfaces and straight pipe interfaces, the heat exchange device internally adopts an inner double spiral pipe, an outer double spiral pipe and a double straight pipe made of high borosilicate glass, meanwhile, high-heat-conductivity silica gel is filled in the gap part inside the heat exchange device, and the whole heat exchange device is fixed and protected by a heat-insulating upper end socket, an aluminum alloy outer sleeve and a heat-insulating lower end socket which are sequentially connected; wherein,
the structure of the external condensation heat exchange channel is as follows: the upper port of the outer spiral pipe is connected with an upper port of the outer spiral pipe, the upper port of the outer spiral pipe is connected with an air inlet, the lower port of the outer spiral pipe is connected with a lower port of the outer spiral pipe, the lower port of the outer spiral pipe and a lower port of the straight pipe are positioned in a first drainage end, the lower port of the straight pipe is connected with a lower port of the straight pipe, an upper port of the straight pipe is connected with an upper port of the straight pipe, and an upper port of the straight pipe is connected with an air;
The internal condensation heat exchange channel structure is as follows: the upper port of the inner spiral pipe is connected with the upper port of the inner spiral pipe, the upper port of the inner spiral pipe is connected with another air inlet, the lower port of the inner spiral pipe is connected with the lower port of the inner spiral pipe, the lower port of the inner spiral pipe and the lower port of the straight pipe are located in the drainage end II, the lower port of the straight pipe is connected with the lower port of the straight pipe, the upper port of the straight pipe is connected with the upper port of the straight pipe II, and the upper port of the straight pipe II is connected with another air outlet.
The principle of the utility model lies in:
the utility model discloses a compound binary channels condensation heat transfer device of borosilicate glass aluminum alloy, adopt binary channels condensation heat transfer method, two air inlets and two gas outlets are designed respectively on heat transfer device upper portion, the lower part design has two drainage ends, the design has spiral pipe interface and straight tube interface in the drainage end, the inside interior, outer double helix and the two straight tubes that adopt borosilicate glass to make of heat transfer device, high heat conduction silica gel 13 is filled at the inside space position of heat transfer device simultaneously, whole device outside adopts thermal-insulated upper cover 14, aluminum alloy outer tube 15, thermal-insulated low head 16 is fixed and is protected. The upper port of the outer spiral pipe 5 is connected with an upper port 1 of the outer spiral pipe, the lower port of the outer spiral pipe 5 is connected with a lower port 9 of the outer spiral pipe, the lower port 9 of the outer spiral pipe and a lower port 10 of the straight pipe are positioned in a first drainage end 18, the lower port 10 of the straight pipe is connected with a lower port 7 of the straight pipe, the upper port 7 of the straight pipe is connected with an upper port 2 of the straight pipe, and the design is an external condensation heat exchange channel; the upper port of the inner spiral pipe 6 is connected with the upper port 3 of the inner spiral pipe, the lower port of the inner spiral pipe 6 is connected with the lower port 11 of the inner spiral pipe, the lower port 11 of the inner spiral pipe and the lower port 12 of the straight pipe are positioned in the second drainage end 17, the lower port 12 of the straight pipe is connected with the lower port of the straight pipe 8, the upper port of the straight pipe 8 is connected with the upper port 4 of the straight pipe, and the design is an inner condensation heat exchange channel.
There are generally three basic ways of heat transfer: thermal conduction, thermal convection, and thermal radiation. The utility model discloses a main heat transfer mode is heat-conduction mode, and the basic equation of heat conduction is:where Q is the heat conduction heat flux, λ is the heat conductivity coefficient, A is the heat conduction area, Δ t is the temperature difference across the planar wall, and b is the planar wall thickness. According to the heat conduction equation, under the condition that the temperature difference between two sides of the plane wall is constant, the heat conduction area can be increased, and the heat conduction coefficient can be increased to improve the heat conduction heat flow of the plane wall. As the related art adopted in the present invention, first: a spiral pipe is adopted in the heat exchange device, and the heat conduction area is increased in a limited space in a spiral mode; secondly, the method comprises the following steps: double condensation heat exchange channels are designed in the heat exchange device, and high-temperature moisture-containing gas enters the device and then sequentially passes through the inner and outer double condensation heat exchange channels to carry out condensation heat exchange for two times, so that the heat conduction quantity is increased; thirdly, the method comprises the following steps: the heat exchange device is filled with high-heat-conductivity silica gel (heat conductivity coefficient)>10W/(m.K)), an aluminum alloy outer sleeve (thermal conductivity of about 220W/(m.K)) is used for the outside of the device, and the thermal conductivity is improved by selecting a high thermal conductivity material.
Condensation heat transfer process is as shown in fig. 2, in high temperature moisture-containing gas gets into the device from the spiral pipe mouth, when the spiral pipe flows, through high heat conduction silica gel, aluminum alloy outer tube realize rapidly with outside heat-conduction process, release away the high heat of gas itself rapidly, the condensation heat transfer finishes when reacing the spiral pipe bottom, the comdenstion water relies on the dead weight to drip downwards, and the low temperature drying gas is then along the ascending outflow device of straight tube.
According to the analysis, the high borosilicate glass/aluminum alloy composite double-channel condensation heat exchange method comprises the following steps: high-temperature moisture-containing gas enters the heat exchange device from the upper connector 1 of the outer spiral pipe, flows through the outer spiral pipe 5, is subjected to condensation heat exchange with the outside through high-heat-conductivity silica gel 13 and an aluminum alloy outer sleeve 15 filled in the heat exchange device, condensed water separated out by condensation of the gas flows out of the heat exchange device through the lower connector 9 of the outer spiral pipe and the first drainage end 18, and the gas after condensation heat exchange flows upwards through the first straight pipe 7 from the lower connector 10 of the straight pipe to reach the first upper connector 2 of the straight pipe, so that a primary condensation heat exchange treatment process is realized; then, the gas reaches the upper interface 3 of the inner spiral pipe from the upper interface 2 of the first straight pipe, enters the heat exchange device again, flows through the inner spiral pipe 6, and carries out secondary condensation heat exchange with the outside through the high-heat-conductivity silica gel 13 and the aluminum alloy outer sleeve 15 filled in the heat exchange device, similarly, condensed water separated out by secondary condensation flows out of the heat exchange device through the lower interface 11 of the inner spiral pipe and the second drainage end 17, and low-temperature dry gas after secondary condensation heat exchange flows upwards through the second straight pipe 8 from the lower interface 12 of the second straight pipe to reach the upper interface 4 of the second straight pipe, so that the secondary condensation heat exchange process is finished, namely the condensation heat exchange process of the whole heat.
Compared with the prior art, the utility model the advantage lie in:
the utility model discloses a binary channels are made to borosilicate glass material, adopt the aluminum alloy outer tube (coefficient of thermal conductivity is about 220W/(m K)) simultaneously in the device outside, pack high heat conduction silica gel (coefficient of thermal conductivity >10W/(m K)) in heat transfer device, two spiral pipes constitute two condensation heat transfer passageways with two straight tubes jointly, high heat conduction material and secondary condensation heat transfer method through the adoption have realized the purpose that improves heat exchange efficiency, under the same operating condition for gaseous condensation effect is better.
Drawings
FIG. 1 is a schematic structural view of the apparatus of the present invention;
in the figure: 1 is an upper connector of an external spiral pipe; 2 is an upper interface of the straight pipe; 3 is an upper interface of the inner spiral pipe; 4 is an upper interface of the straight pipe II; 5 is an external spiral tube; 6 is an inner spiral pipe; 7 is a straight pipe I; 8 is a straight pipe II; 9 is the lower interface of the external spiral pipe; 10 is a straight pipe lower connector; 11 is a lower interface of the inner spiral pipe; 12 is a straight pipe two lower connector; 13 is high heat conduction filling silica gel; 14 is a heat insulation upper end enclosure; 15 is an aluminum alloy outer sleeve; 16 is a heat insulation lower end enclosure; 17 is a second drainage end; 18 is a drainage end I;
FIG. 2 is a schematic diagram of the single-channel condensation heat exchange process of the apparatus of the present invention, wherein 21 represents high-temperature humid gas, 22 represents low-temperature dry gas, 23 represents condensed water, 24 represents heat transfer, 25 represents a spiral pipe, and 26 represents a straight pipe;
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
The structure of this embodiment is as shown in fig. 1, a two-channel condensation heat exchange method is adopted, two air inlets and two air outlets are respectively designed on the upper portion of a heat exchange device, two water discharging ends are designed on the lower portion of the heat exchange device, spiral pipe interfaces and straight pipe interfaces are designed on the water discharging ends, inner and outer double spiral pipes and double straight pipes made of high borosilicate glass are adopted in the heat exchange device, high thermal conductivity silica gel 13 is filled in the gap position in the heat exchange device, and an upper thermal insulation head 14, an aluminum alloy outer sleeve 15 and a lower thermal insulation head 16 are adopted outside the whole device for fixing and protecting. The upper port of the outer spiral pipe 5 is connected with an upper port 1 of the outer spiral pipe, the lower port of the outer spiral pipe 5 is connected with a lower port 9 of the outer spiral pipe, the lower port 9 of the outer spiral pipe and a lower port 10 of the straight pipe are positioned in a first drainage end 18, the lower port 10 of the straight pipe is connected with a lower port 7 of the straight pipe, the upper port 7 of the straight pipe is connected with an upper port 2 of the straight pipe, and the design is an external condensation heat exchange channel; the upper port of the inner spiral pipe 6 is connected with the upper port 3 of the inner spiral pipe, the lower port of the inner spiral pipe 6 is connected with the lower port 11 of the inner spiral pipe, the lower port 11 of the inner spiral pipe and the lower port 12 of the straight pipe are positioned in the second drainage end 17, the lower port 12 of the straight pipe is connected with the lower port of the straight pipe 8, the upper port of the straight pipe 8 is connected with the upper port 4 of the straight pipe, and the design is an inner condensation heat exchange channel.
When the device works, high-temperature moisture-containing gas enters the heat exchange device from the upper connector 1 of the outer spiral pipe, flows through the outer spiral pipe 5, is subjected to condensation heat exchange with the outside through high-heat-conductivity silica gel 13 and an aluminum alloy outer sleeve 15 filled in the heat exchange device, condensed water separated out by condensation of the gas flows out of the heat exchange device through the lower connector 9 of the outer spiral pipe and the first drainage end 18, and the gas after condensation heat exchange flows upwards through the first straight pipe 7 from the lower connector 10 of the straight pipe to reach the first upper connector 2 of the straight pipe, so that a primary condensation heat exchange process is realized; then, the gas reaches the upper interface 3 of the inner spiral pipe from the upper interface 2 of the first straight pipe, enters the heat exchange device again, flows through the inner spiral pipe 6, and carries out secondary condensation heat exchange with the outside through the high-heat-conductivity silica gel 13 and the aluminum alloy outer sleeve 15 filled in the heat exchange device, similarly, condensed water separated out by secondary condensation flows out of the heat exchange device through the lower interface 11 of the inner spiral pipe and the second drainage end 17, low-temperature dry gas after secondary condensation heat exchange flows upwards through the second straight pipe 8 from the lower interface 12 of the second straight pipe to reach the upper interface 4 of the second straight pipe, and the secondary condensation heat exchange is completed, namely, the condensation heat exchange process of the whole heat exchange device is completed, high-temperature moisture-containing gas is separated out of the condensed water at about 4 ℃ through the secondary condensation heat exchange, the condensed water is discharged from the first drainage end and.
Claims (1)
1. The utility model provides a compound binary channels condensation heat transfer device of borosilicate glass aluminum alloy which characterized in that: the heat exchange device adopts double-channel condensation heat exchange treatment; the upper part of the heat exchange device comprises two air inlets and two air outlets, the lower part of the heat exchange device comprises two water discharging ends, the water discharging ends internally comprise spiral pipe interfaces and straight pipe interfaces, the heat exchange device is externally provided with a high-heat-conductivity aluminum alloy outer sleeve, internally provided with inner and outer double spiral pipes and double straight pipes made of high borosilicate glass, and simultaneously, high-heat-conductivity silica gel (13) is filled in the gap part inside the heat exchange device, and the whole heat exchange device is externally fixed and protected by a heat-insulating upper end enclosure (14), an aluminum alloy outer sleeve (15) and a heat-insulating lower end enclosure (16) which are sequentially connected; wherein,
the structure of the external condensation heat exchange channel is as follows: an upper port of an outer spiral pipe (5) is connected with an upper port (1) of the outer spiral pipe, the upper port (1) of the outer spiral pipe is connected with an air inlet, a lower port of the outer spiral pipe (5) is connected with a lower port (9) of the outer spiral pipe, the lower port (9) of the outer spiral pipe and a lower port (10) of a straight pipe are positioned in a first drainage end (18), the lower port (10) of the straight pipe is connected with a lower port of a first straight pipe (7), an upper port of the first straight pipe (7) is connected with an upper port (2) of the straight pipe, and the upper port (2) of the first straight pipe is connected;
The internal condensation heat exchange channel structure is as follows: an upper port of the inner spiral pipe (6) is connected with an upper port (3) of the inner spiral pipe, the upper port (3) of the inner spiral pipe is connected with another air inlet, a lower port of the inner spiral pipe (6) is connected with a lower port (11) of the inner spiral pipe, the lower port (11) of the inner spiral pipe and a second straight pipe lower port (12) are located in a second drainage end (17), the lower port (12) of the second straight pipe is connected with a second straight pipe (8) lower port, an upper port of the second straight pipe (8) is connected with a second straight pipe upper port (4), and the second straight pipe upper port (4) is connected with another air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520949080.5U CN205373439U (en) | 2015-11-24 | 2015-11-24 | Compound binary channels condensation heat transfer device of borosilicate glass aluminum alloy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520949080.5U CN205373439U (en) | 2015-11-24 | 2015-11-24 | Compound binary channels condensation heat transfer device of borosilicate glass aluminum alloy |
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| CN205373439U true CN205373439U (en) | 2016-07-06 |
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| CN201520949080.5U Expired - Fee Related CN205373439U (en) | 2015-11-24 | 2015-11-24 | Compound binary channels condensation heat transfer device of borosilicate glass aluminum alloy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241270A (en) * | 2015-11-24 | 2016-01-13 | 中国科学技术大学 | High borosilicate glass/aluminum alloy composite double-channel condensation heat exchange device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241270A (en) * | 2015-11-24 | 2016-01-13 | 中国科学技术大学 | High borosilicate glass/aluminum alloy composite double-channel condensation heat exchange device and method |
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| Date | Code | Title | Description |
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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 |
Granted publication date: 20160706 Termination date: 20211124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |