CN207487486U - Wing-shaped heat exchange tube - Google Patents
Wing-shaped heat exchange tube Download PDFInfo
- Publication number
- CN207487486U CN207487486U CN201721350985.6U CN201721350985U CN207487486U CN 207487486 U CN207487486 U CN 207487486U CN 201721350985 U CN201721350985 U CN 201721350985U CN 207487486 U CN207487486 U CN 207487486U
- Authority
- CN
- China
- Prior art keywords
- leeward
- transition face
- windward side
- transition
- wall
- 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.)
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Links
- 230000007704 transition Effects 0.000 claims abstract description 57
- 235000019504 cigarettes Nutrition 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 239000003546 flue gas Substances 0.000 description 9
- 238000011109 contamination Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an airfoil-shaped heat exchange tube, which comprises a windward side, a leeward side, a first transition side and a second transition side, wherein one end of the first transition side is connected with one end of the windward side, the other end of the first transition side is connected with one end of the leeward side, one end of the second transition side is connected with the other end of the leeward side, the other end of the second transition side is connected with the other end of the leeward side, the windward side and the leeward side are both arc surfaces, and the arc radius of the windward side is larger than that of the leeward side; along the direction of windward side to leeward side, the interval between first transition face and the second transition face reduces gradually, and this heat exchange tube can effectual reduction cigarette wind resistance to the trail district stains the area little.
Description
Technical field
The utility model belongs to technical field of heat exchangers, is related to a kind of aerofoil profile heat exchanger tube.
Background technology
With vigorously implementing for energy-saving and emission-reduction policy, coal steam-electric plant smoke UTILIZATION OF VESIDUAL HEAT IN becomes the weight studied and be transformed at this stage
One of point.Since tail flue gas dust burdening is big, temperature is low, and heat exchange difference is small, thus the exchange capability of heat of heat exchanger, drag characteristic,
Accumulatingdust wearing character, which becomes to restrict, is transformed successful principal element.
For the heat exchanger tube of heat exchanger mostly using pipe, minority uses elliptical tube at present.Pipe makes simply, but resistance is big, tail
Mark area vortex is big, and in the case that ash content viscosity is higher in flue gas, the easy dust stratification in pipe back causes exchange capability of heat to decline.It is ellipse
Pipe is on the basis of pipe, is obtained by oval mold cold-drawn, the more conventional pipe of resistance low 10% or so, exchange capability of heat
It is suitable with pipe, but its tail area contamination area is still larger, still there is optimization space.
Utility model content
The purpose of the utility model is to overcome a kind of aerofoil profile heat exchanger tube the shortcomings that the above-mentioned prior art, is provided, this is changed
Heat pipe can effectively reduce flue gas resistance, and tail area contamination area is small.
In order to achieve the above objectives, aerofoil profile heat exchanger tube described in the utility model includes windward side, leeward, First Transition face
And second transition face, wherein, the one end in First Transition face is connected with one end of windward side, the other end and the back of the body in First Transition face
The one end in wind face is connected, and one end of the second transition face is connected with the other end of leeward, the other end of the second transition face with
The other end of leeward is connected, and windward side and leeward are arc surface, and the arc radius of windward side is more than leeward
Arc radius；
Along windward side to the direction of leeward, the spacing between First Transition face and the second transition face is gradually reduced.
The outer wall in First Transition face and the outer wall of coupled windward side end are tangent, the outer wall of the second transition face with
The outer wall of coupled windward side end is tangent.
The outer wall in First Transition face and the outer wall of coupled leeward end are tangent, the outer wall of the second transition face with
The outer wall of coupled leeward end is tangent.
The utility model has the advantages that：
At work, flue gas flows aerofoil profile heat exchanger tube described in the utility model outside aerofoil profile heat exchanger tube, and medium is in aerofoil profile
Exchange heat Bottomhole pressure, aerofoil profile heat exchanger tube include windward side, leeward, First Transition face and the second transition face, wherein, windward side and
Leeward is connected by First Transition face and the second transition face, and the arc radius of windward side is more than the circular arc half of leeward
Diameter, when flue gas flows through aerofoil profile heat exchanger tube, the more conventional pipe of flue gas resistance is obviously reduced.In addition, current plant Denitration in Boiler discharges
It is performed by minimum discharge standard, the escaping of ammonia rate of denitrating system is caused to increase, there are hydrogen sulfates in ash content when flowing through heat exchanger
Ammonium condenses, and so as to increase the viscosity of ash, unobvious are stain, due to the circular arc of windward side in windward side due to washing away there are cinder
Radius is more than the arc radius of leeward, and the spacing between First Transition face and the second transition face gradually tapers up, First Transition face
And second transition face there is vortex, fine ash is involved in the outer wall that First Transition face and the second transition face are stain after vortex, at the same by
It is smaller in aerofoil profile heat exchanger tube flow-disturbing tail, so as to greatly reduce the contamination area of tail area fine ash, the reinforcement heat exchanger tube of raising
Heat transfer effect.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Wherein, 1 it is windward side, 21 be First Transition face, 22 be the second transition face, 3 is leeward.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1, aerofoil profile heat exchanger tube described in the utility model include windward side 1, leeward 3, First Transition face 21 and
Second transition face 22, wherein, the one end in First Transition face 21 is connected with one end of windward side 1, First Transition face 21 it is another
End is connected with one end of leeward 3, and one end of the second transition face 22 is connected with the other end of leeward 3, the second transition face
22 other end is connected with the other end of leeward 3, and windward side 1 and leeward 3 are arc surface, and the circle of windward side 1
Arc radius is more than the arc radius of leeward 3；The direction of leeward 3,21 and second transition face of First Transition face are arrived along windward side 1
Spacing between 22 is gradually reduced.
The outer wall in First Transition face 21 and the outer wall of coupled 1 end of windward side are tangent, the second transition face 22
Outer wall and the outer wall of coupled 1 end of windward side are tangent；The outer wall of second transition face 22 with it is coupled leeward
The outer wall of 3 end of face is tangent.
The specific work process of the utility model is：
Flue gas flows outside aerofoil profile heat exchanger tube, and medium exchanges heat Bottomhole pressure in aerofoil profile, and the shape of aerofoil profile heat exchanger tube is streamline
Aerofoil profile, windward side 1 be arc-shaped, leeward 3 be arc-shaped, 21 and second transition face 22 of First Transition face by windward side 1 with
Leeward 3 is smoothly connected together, and when flue gas flows through the streamline profile pipe, the more conventional pipe of resistance is obviously reduced.This practicality
The flow-disturbing tail of the novel aerofoil profile heat exchanger tube is very small, and most of heat exchange pipe surface can be by cinder particle in flue gas
Wash away, greatly reduce the contamination area of tail area fine ash, strengthen the heat transfer effect of aerofoil profile heat exchanger tube.
Claims (3)
1. a kind of aerofoil profile heat exchanger tube, which is characterized in that including windward side (1), leeward (3), First Transition face (21) and second
Transition face (22), wherein, the one end of First Transition face (21) is connected with the one end of windward side (1), First Transition face (21)
The other end is connected with the one end of leeward (3), and one end of the second transition face (22) is connected with the other end of leeward (3),
The other end of second transition face (22) is connected with the other end of leeward (3), and windward side (1) and leeward (3) are circle
Cambered surface, and the arc radius of windward side (1) is more than the arc radius of leeward (3)；
Along windward side (1) to the direction of leeward (3), the spacing between First Transition face (21) and the second transition face (22) is gradual
Reduce.
2. aerofoil profile heat exchanger tube according to claim 1, which is characterized in that the outer wall of First Transition face (21) with it is coupled
The outer wall of windward side (1) end connect is tangent, the outer wall of the second transition face (22) and coupled windward side (1) end
Outer wall is tangent.
3. aerofoil profile heat exchanger tube according to claim 1, which is characterized in that the outer wall of First Transition face (21) with it is coupled
The outer wall of leeward (3) end connect is tangent, the outer wall of the second transition face (22) and coupled leeward (3) end
Outer wall is tangent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721350985.6U CN207487486U (en) | 2017-10-19 | 2017-10-19 | Wing-shaped heat exchange tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721350985.6U CN207487486U (en) | 2017-10-19 | 2017-10-19 | Wing-shaped heat exchange tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207487486U true CN207487486U (en) | 2018-06-12 |
Family
ID=62480799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721350985.6U Active CN207487486U (en) | 2017-10-19 | 2017-10-19 | Wing-shaped heat exchange tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207487486U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186031A (en) * | 2019-05-30 | 2019-08-30 | 合肥工业大学 | A kind of high-efficiency environment friendly energy-conservation chain-conveyer furnace |
| CN112096970A (en) * | 2019-06-18 | 2020-12-18 | 宝山钢铁股份有限公司 | Stain-resistant anti-coking special pipe |
| CN112665421A (en) * | 2020-12-23 | 2021-04-16 | 江苏中天能源设备有限公司 | High-efficient dysmorphism tube sheet heat exchanger |
-
2017
- 2017-10-19 CN CN201721350985.6U patent/CN207487486U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186031A (en) * | 2019-05-30 | 2019-08-30 | 合肥工业大学 | A kind of high-efficiency environment friendly energy-conservation chain-conveyer furnace |
| CN112096970A (en) * | 2019-06-18 | 2020-12-18 | 宝山钢铁股份有限公司 | Stain-resistant anti-coking special pipe |
| CN112665421A (en) * | 2020-12-23 | 2021-04-16 | 江苏中天能源设备有限公司 | High-efficient dysmorphism tube sheet heat exchanger |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |