CN209341861U - A kind of air cooling tubes condenser and its heat exchange tube assemblies - Google Patents
A kind of air cooling tubes condenser and its heat exchange tube assemblies Download PDFInfo
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- CN209341861U CN209341861U CN201821879426.9U CN201821879426U CN209341861U CN 209341861 U CN209341861 U CN 209341861U CN 201821879426 U CN201821879426 U CN 201821879426U CN 209341861 U CN209341861 U CN 209341861U
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Abstract
The utility model discloses a kind of air cooling tubes condenser and its heat exchange tube assemblies, the heat exchange tube assemblies include base tube, the peripheral wall of the base tube is formed with the heat exchanger channels of both ends open, and the side external surface windward of the peripheral wall is arcwall face, and the outer surface by wind side of the peripheral wall is plane；The utility model base tube windward side is conducive to cooling air using arcwall face and enters heat-exchanging component, and the surface area of arcwall face is greater than straightway surface area, and then increases contact area, under the premise of reducing base tube gas-flow resistance, improves heat exchange efficiency；Base tube is that plane is conducive to reduce the disorder vortex for exporting hot-air by wind side external surface, reduces out atmidometer.The base tube of the utility model can suitably cut down belt steel material amount, reduce cost, and improve the heat exchange efficiency of heat-exchanging component, and then improve energy utilization rate and utilization rate of equipment and installations, reduce power generation consumption coal, provide safeguard for the safe and economic operation of air cooling tubes condenser.
Description
Technical field
The utility model relates to technical field of heat exchange, in particular to a kind of air cooling tubes condenser and its heat-exchanging component.
Background technique
In the air cooling tubes condenser of power plant, heat-exchanging component is the key for influencing its heat exchange efficiency and whole system working performance
One of factor.
Air cooling tubes condenser mainly includes steam-distributing pipe, lower collecting box and at least one set of heat-exchanging component；Wherein, heat-exchanging component
Specific include several heat exchange units again, and each heat exchange unit has with base tube and the cooling fin being connected on heat exchanger tube, base tube
Inlet and outlet.Steam inlet and distribution openings are provided on steam-distributing pipe, steam inlet is used to connect power plants generating electricity generation
Weary steam, distribution openings are the outlet of weary steam, and distribution openings connect the heat exchanger tube import of heat-exchanging component, and the weary the allocated mouth of steam flows into
Inside heat exchanger tube；Lower collecting box is mainly used for collecting condensed water, several collection ports, collection port connection heat exchange are provided on cabinet
The outlet of base tube in component, into the weary steam in base tube after heat exchanger tube exchanges heat, the vapor in weary steam is largely converted
Enter inside lower collecting box for condensed water from collection port, the part for being not converted into condensed water also enters inside lower collecting box from collection port.
How to make the heat exchange efficiency of heat-exchanging component higher, is the design object of those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of heat exchange tube assemblies of air cooling tubes condenser, and the heat exchange tube assemblies include base
Pipe, the peripheral wall of the base tube are formed with the heat exchanger channels of both ends open, and the side external surface windward of the peripheral wall is arcwall face, described
The outer surface by wind side of peripheral wall is plane.
The utility model base tube windward side is conducive to cooling air using arcwall face and enters heat-exchanging component, and arcwall face
Surface area is greater than straightway surface area, and then increases contact area, under the premise of reducing base tube gas-flow resistance, improves heat exchange effect
Rate；Base tube is that plane is conducive to reduce the disorder vortex for exporting hot-air by wind side external surface, reduces out atmidometer.This is practical
Novel base tube can suitably cut down belt steel material amount, reduce cost, and improve the heat exchange efficiency of heat-exchanging component, and then improve energy
Source utilization rate and utilization rate of equipment and installations reduce power generation consumption coal, provide safeguard for the safe and economic operation of air cooling tubes condenser.
Optionally, the peripheral wall of the base tube includes two heat exchange side walls being oppositely arranged, and outer surface is for installing heat dissipation
The side of piece, described two heat exchange side walls is connected by arcwall, and the other side is connected by straight wall, described two heat exchange side walls,
The arcwall and the straight wall are enclosed the heat exchanger channels, and the outer surface of the arcwall is the arcwall face.
Optionally, described two heat exchange side walls and the interconnecting piece of the straight wall are segmental arc.
Optionally, the heat exchange tube assemblies further include cooling fin, and the outer surface of described two heat exchange side walls is provided with described
Cooling fin, the cooling fin include the plate face for being parallel to airflow direction, and airflow channel is formed between the adjacent plate face, described to dissipate
The plate face of backing offers the radiating opening of horse-hof shape.
Optionally, along air current flow direction, the direction of the same two neighboring radiating opening of plate face is different, is respectively facing
The two sides of plate face.
Optionally, each radiating opening in same plate face is arranged along airflow direction, and along air current flow direction, phase
The distance between adjacent two described radiating openings are gradually increased.
Optionally, upwardly or downwardly protrusion and periphery plate face surround the radiating opening to the pan section plate.
Optionally, a continuous serpentine bend of cooling fin forms the bending of multiple parallel plate faces and the adjacent plate face of connection
All bending sections in portion, side are fixed with the heat exchange side wall of corresponding side simultaneously.
Optionally, the arcwall face is ellipse arc face or arc-shaped surface.
The utility model additionally provides a kind of air cooling tubes condenser, including with lower component:
Steam-distributing pipe is provided with steam inlet and several distribution openings；
Lower collecting box is provided with several collection ports for collecting condensed water on cabinet；
At least one set of heat-exchanging component is set between the steam-distributing pipe and the lower collecting box, the heat-exchanging component
Base tube inlet and outlet is respectively communicated with the corresponding steam distribution openings and the collection port；
The heat-exchanging component is heat-exchanging component described in any of the above embodiments.
Because air cooling tubes condenser provided in this article has above-mentioned heat-exchanging component, therefore also the above-mentioned technology with heat-exchanging component is imitated
Fruit.
Detailed description of the invention
Fig. 1 is the cross-sectional view of heat-exchanging component in a kind of specific embodiment of the utility model；
Fig. 2 is the structural schematic diagram of base tube in Fig. 1；
Fig. 3 is partial structural diagram after four radiating fin combinations in a kind of specific embodiment of the utility model；
Fig. 4 is the partial schematic diagram of heat-exchanging component in a kind of specific embodiment of the utility model.
Wherein, the one-to-one relationship in Fig. 1 to Fig. 4 between component names and appended drawing reference is as follows:
Base tube 1, arcwall face 11, plane 12, heat exchange side wall 13, small segmental arc 14；
Cooling fin 2, plate face 21, first kind radiating opening 2a, the second class radiating opening 2b.
Specific embodiment
The heat exchanger tube of air cooling tubes condenser is mainly flat tube in the prior art, during actual use, air cooling tubes condenser is being transported
Flat tube forms heat-exchanging component and its is easy dirty in row, especially under the meteorological conditions such as high temperature, strong wind, causes air cooling tubes condenser
Heat exchange property is low, and air cooling tubes condenser back pressure is caused to increase, and blower power consumption increases.
Therefore for drawbacks described above in the prior art, a large number of experiments is had made intensive studies and carried out herein, proposes one
Kind can effectively increase air cooling tubes condenser heat exchange efficiency, while reduce the heat-exchanging component of energy consumption.
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing and have
The utility model is described in further detail for body embodiment.
Please refer to figs. 1 to 4, and Fig. 1 is the cross section signal of heat-exchanging component in a kind of specific embodiment of the utility model
Figure；Fig. 2 is the structural schematic diagram of base tube in Fig. 1；Fig. 3 is four radiating fin combinations in a kind of specific embodiment of the utility model
Partial structural diagram afterwards；Fig. 4 is the partial schematic diagram of heat-exchanging component in a kind of specific embodiment of the utility model.
It mainly include that steam-distributing pipe, lower collecting box and at least one set are changed the utility model discloses a kind of air cooling tubes condenser
Hot component；Wherein, heat-exchanging component is specifically again including base tube 1 and the cooling fin 2 being connected on 1 outer surface of base tube, the peripheral wall of base tube 1
The heat exchanger channels of both ends open are formed with, the both ends open of the heat exchanger channels of base tube 1 is respectively defined as inlet and outlet herein.
Cooling fin 2 can be to be set on 1 outer surface of base tube continuous wavy fin or wave-fin, subsequent to be specifically situated between herein
Continue a kind of wave-fin.Base tube 1 generally uses steel combined with aluminum pipe, and the profile of cooling fin 2 is generally also aluminium, and cooling fin 2 passes through
Soldering is fixed on the two sides of 1 pipe of base tube.It should be noted that the side of base tube 1 described herein refers to width ratio
Biggish face.
Steam inlet and several gas distributing openings are provided on the tube body of steam-distributing pipe, steam inlet is for connecting power plant
Generate electricity the weary steam generated, and distribution openings are the outlet of weary steam, and distribution openings connect 1 import of base tube of heat-exchanging component, weary steam warp
Distribution openings flow into inside base tube 1；Lower collecting box is mainly used for collecting condensed water, and cabinet is provided with several collection ports, collection port
It is connected to the outlet of base tube 1 in heat-exchanging component, into the weary steam in base tube 1 through base tube 1 and its surface radiating piece 2 and outside air
After heat exchange, the vapor in weary steam is largely converted into condensed water and enters inside lower collecting box from collection port, then again by the second line of a couplet
It flows out the outlet of case 4.
Generally, the position of steam-distributing pipe is higher than the position of lower collecting box, and air cooling tubes condenser includes a steam-distributing pipe
And two lower collecting box of the left and right sides are located below, it is respectively arranged with heat-exchanging component between steam-distributing pipe and two lower collecting box,
The namely usually described A type Air-Cooling Island.
Of course, it is possible to which one or several counterflow heat exchange components are arranged in every side, prevent base tube 1 according to specific design
Frozen pipe risk.It generally, is forward stream by the direction definition that steam-distributing pipe flows to lower collecting box by weary steam, correspondingly, on the contrary
Direction definition is adverse current.
The side external surface windward of 1 peripheral wall of base tube is arcwall face 11, the outer surface by wind side wall of peripheral wall in the utility model
For plane 12.That is, it is straight by wind side outer profile that windward side outer profile, which is arc, in the outer profile of the cross section of base tube 1
Line segment.
1 windward side of the utility model base tube is conducive to cooling air using arcwall face 11 and enters heat-exchanging component, and arc
The surface area in face 11 is greater than straightway surface area, and then increases contact area and mention under the premise of reducing by 1 gas-flow resistance of base tube
High heat exchange efficiency；Base tube 1 is that plane 12 is conducive to reduce the disorder vortex for exporting hot-air by wind side external surface, reduces outlet
Resistance.The base tube 1 of the utility model can suitably cut down belt steel material amount, reduce cost, and improve the heat exchange effect of heat-exchanging component
Rate, and then energy utilization rate and utilization rate of equipment and installations are improved, power generation consumption coal is reduced, is provided for the safe and economic operation of air cooling tubes condenser
It ensures.
In a specific embodiment, the peripheral wall of base tube 1 may include two heat exchange side walls 13 being oppositely arranged, appearance
Face is connected for installing cooling fin 2, the side of two heat exchange side walls 13 by arcwall, and the other side is connected by straight wall, and two
Heat exchange side wall 13, arcwall and straight wall are enclosed heat exchanger channels, and the outer surface of arcwall is arcwall face 11.
The side wall 13 that exchanges heat is the long side wall of above-mentioned size, and the both ends of two sidewalls pass through arcwall face 11 and plane 12 respectively
Connection, four form the peripheral wall of heat exchanger channels.
Certainly, in order to reduce processing technology and improve the service performance of base tube 1, between two heat exchange side walls 13 and plane also
It can further be connected by small segmental arc 14.
I.e. two heat exchange side walls 13 and the interconnecting piece of straight wall are segmental arc, predominantly adapt to the demand of processing and reduce base tube
There is stress to concentrate inside 1 to consider.
In the various embodiments described above, cooling fin 2 includes the plate face 21 for being parallel to airflow direction, forms gas between adjacent plate face 21
Circulation road, the plate face 21 of cooling fin 2 offer the radiating opening of horse-hof shape.Radiating opening uses the shape of a hoof, can produce effective
Vortex breaker boundary layer, while having lower crushing, comprehensive performance is preferable.
In above-described embodiment, along air current flow direction, the direction of the two neighboring radiating opening of same plate face 21 is different, respectively
Towards the two sides of plate face 21.That is, along air current flow direction, the radiating opening in same plate face 21 is divided into two classes, herein
It is defined as first kind radiating opening 2a and the second class radiating opening 2b, two class radiating openings are respectively facing the two sides of plate face 21, the
A kind of radiating opening 2a is upwardly opening, the second class radiating opening 2b downwardly facing opening.
And first kind radiating opening 2a and the second class radiating opening 2b arranged for interval, can make flow field radiate in this way
The distribution of 2 surface of piece is more uniform, to increase the ability for destroying 2 surface boundary layer of cooling fin, improves the heat exchange of heat-exchanging component
Coefficient.
Further, along airflow direction, radiating opening enhances vortex to 2 boundary layer of cooling fin for the utility model discovery
Flow-disturbing effect, and resistance is basically unchanged along airflow direction, therefore further setting is as follows herein.
In the various embodiments described above, each radiating opening in same plate face 21 is arranged along airflow direction, and is flowed along air-flow
Direction, the distance between two neighboring radiating opening are gradually increased.In this way, along airflow direction, radiating opening from spare to dense, aperture
Flow-disturbing effect by flow resistance can be reduced on the basis of not influencing heat exchange, i.e. reduction system static pressure, raising by force to weak
Unit overall performance.
Upwardly or downwardly protrusion surrounds heat dissipation with periphery plate face 21 and opens for 21 part plate of plate face in the various embodiments described above
Mouthful.Radiating opening can be stamped and formed out, naturally it is also possible to be formed using other modes, herein without limitation.
Cooling fin 2 in the various embodiments described above can be snakelike heat exchanger fin, i.e. a continuous serpentine bend shape of cooling fin 2
At the bending section of multiple parallel plate faces 21 and the adjacent plate face 21 of connection, all bending sections of side are changed with corresponding side simultaneously
Hot side wall 13 is fixed.Airflow channel is formed between each plate face 21.
Arcwall face 11 in the utility model above-described embodiment can be ellipse arc face or arc-shaped surface.Arc-shaped surface
Processing technology is fairly simple, easy to form.Ellipse arc face heat exchange surface area is bigger, can be further improved heat exchange efficiency.
Because air cooling tubes condenser provided in this article has above-mentioned heat-exchanging component, therefore also the above-mentioned technology with heat-exchanging component is imitated
Fruit.
A kind of air cooling tubes condenser provided by the utility model and its heat-exchanging component are described in detail above.Herein
In apply specific case the principles of the present invention and embodiment be expounded, the explanation of above embodiments is only used
The method and its core concept of the utility model are understood in help.It should be pointed out that for those skilled in the art
For, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these
Improvement and modification are also fallen into the protection scope of the utility model claims.
Claims (10)
1. a kind of heat exchange tube assemblies of air cooling tubes condenser, which is characterized in that the heat exchange tube assemblies include base tube (1), the base
The peripheral wall of pipe (1) is formed with the heat exchanger channels of both ends open, and the side external surface windward of the peripheral wall is arcwall face (11), the week
The outer surface by wind side of wall is plane (12).
2. heat exchange tube assemblies as described in claim 1, which is characterized in that the peripheral wall of the base tube (1) includes two and sets relatively
The heat exchange side wall set, for installing cooling fin (2), the side of described two heat exchange side walls is connected by arcwall for outer surface,
The other side is connected by straight wall, and described two heat exchange side walls, the arcwall and the straight wall are enclosed the heat exchanger channels,
The outer surface of the arcwall is the arcwall face (11).
3. heat exchange tube assemblies as claimed in claim 2, which is characterized in that described two heat exchange side walls and the plane (12) wall
Interconnecting piece be segmental arc.
4. heat exchange tube assemblies as claimed in claim 2, which is characterized in that the heat exchange tube assemblies further include cooling fin (2), institute
The outer surface for stating two heat exchange side walls is provided with the cooling fin (2), and the cooling fin (2) includes the plate for being parallel to airflow direction
Face (21) forms airflow channel between the adjacent plate face (21), and the plate face (21) offers the radiating opening of horse-hof shape.
5. heat exchange tube assemblies as claimed in claim 4, which is characterized in that along air current flow direction, same plate face (21) is adjacent
The direction of two radiating openings is different, is respectively facing the two sides of plate face (21).
6. heat exchange tube assemblies as described in claim 4 or 5, which is characterized in that each heat dissipation on same plate face (21) is opened
Opening's edge airflow direction arrangement, and along air current flow direction, the distance between two neighboring described radiating opening is gradually increased.
7. heat exchange tube assemblies as described in claim 4 or 5, which is characterized in that plate face (21) part plate upwards or
It is downwardly convex to surround the radiating opening with periphery plate face (21).
8. heat exchange tube assemblies as described in claim 4 or 5, which is characterized in that the continuous serpentine bend of a cooling fin (2) is formed
The bending section of multiple parallel plate faces (21) and the adjacent plate face (21) of connection, all bending sections of side simultaneously with corresponding side
The heat exchange side wall is fixed.
9. such as heat exchange tube assemblies described in any one of claim 1 to 5, which is characterized in that the arcwall face (11) is elliptic arc
Shape face (11) or arc-shaped surface (11).
10. a kind of air cooling tubes condenser, including with lower component:
Steam-distributing pipe, if being provided with steam inlet and dry saturated steam distribution openings on tube body；
Lower collecting box is provided with several condensation water collection mouths for collecting condensed water on cabinet；
At least one set of heat-exchanging component is set between the steam-distributing pipe and the lower collecting box, the base tube of the heat-exchanging component
Both ends open is respectively communicated with the steam distribution openings and the condensation water collection mouth；It is characterized in that,
The heat-exchanging component is the described in any item heat-exchanging components of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879426.9U CN209341861U (en) | 2018-11-14 | 2018-11-14 | A kind of air cooling tubes condenser and its heat exchange tube assemblies |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879426.9U CN209341861U (en) | 2018-11-14 | 2018-11-14 | A kind of air cooling tubes condenser and its heat exchange tube assemblies |
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| CN209341861U true CN209341861U (en) | 2019-09-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282664A (en) * | 2018-11-14 | 2019-01-29 | 华电重工股份有限公司 | A kind of air cooling tubes condenser and its heat-exchanging component |
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2018
- 2018-11-14 CN CN201821879426.9U patent/CN209341861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282664A (en) * | 2018-11-14 | 2019-01-29 | 华电重工股份有限公司 | A kind of air cooling tubes condenser and its heat-exchanging component |
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