CN107741026A - A kind of power plant's hot air heat exchange tube assembly - Google Patents
A kind of power plant's hot air heat exchange tube assembly Download PDFInfo
- Publication number
- CN107741026A CN107741026A CN201711092538.XA CN201711092538A CN107741026A CN 107741026 A CN107741026 A CN 107741026A CN 201711092538 A CN201711092538 A CN 201711092538A CN 107741026 A CN107741026 A CN 107741026A
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- exchange tube
- hot air
- power plant
- tube assembly
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- -1 polytetrafluorethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010130 dispersion processing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/04—Arrangements of recuperators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The invention discloses a kind of power plant's hot air heat exchange tube assembly, including heat exchanger tube arranged in rows up and down, the heat exchanger tube connect to form set of heat exchange tubes by union elbow；The set of heat exchange tubes is set in a row to form heat exchange tube panel, and the both ends of the set of heat exchange tubes set in a row are connected with header water inlet and header delivery port respectively；S type wind deflectors are provided with the heat exchange tube panel, the S types wind deflector is set along air current flow direction.By using hot air heat exchange tube assembly described herein, air to be heated by exchange heat tube panel when, heat is carried out under the guide effect of S type wind deflectors with heat exchanger tube to change, because the route of air flow is become for S type curves by straight line line, extend path and the time that air flows in heat exchange tube panel, the covert area for increasing heat exchange, in the heat exchange tube panel of same thickness can improve heat changes effect.
Description
Technical field
The present invention relates to a kind of power plant's hot air heat exchange tube assembly.
Background technology
, it is necessary to which extraneous provide combustion air, in order to which he improves combustion efficiency, in air burning in the coal-fired process of power plant
Need to preheat combustion air before, air is heated by hot air heat exchange pipe in the prior art, flowed in hot air heat exchange pipe
Dynamic to have high-temperature medium, air is heated when passing through hot air heat exchange pipe surface, is then input in combustion system.Existing hot blast changes
The air-flow direction of heat pipe screen is generally single direction, and the heat exchange area for the hot air heat exchange tube panel that can be utilized is limited, existing skill
Art, which is badly in need of one kind, can increase heat exchange area, improve power plant's hot air heat exchange tube assembly of heat exchange efficiency.
The content of the invention
It is an object of the invention to overcome defect present in prior art, there is provided one kind can increase heat exchange area, improve
Power plant's hot air heat exchange tube assembly of heat exchange efficiency.
To achieve the above object, the technical scheme is that providing a kind of power plant's hot air heat exchange tube assembly, including it is upper
Under heat exchanger tube arranged in rows, the heat exchanger tube connects to form set of heat exchange tubes by union elbow；The set of heat exchange tubes is in a row set
Put to form heat exchange tube panel, and the both ends of the set of heat exchange tubes set in a row are connected with header water inlet and header delivery port respectively；Institute
State and S type wind deflectors are provided with heat exchange tube panel, the S types wind deflector is set along air current flow direction.
By using hot air heat exchange tube assembly described herein, air to be heated by exchange heat tube panel when, led in S types
Heat is carried out with heat exchanger tube to change, because the route of air flow is become for S type curves by straight line line, extend under the guide effect of aerofoil
The path and time that air flows in heat exchange tube panel, the covert area for increasing heat exchange, in the heat exchanger tube of same thickness
Heat can be improved in screen and changes effect.
As preferable, wind-guiding splice plate, the S types wind-guiding are provided with every heat exchanger tube of the composition heat exchange tube panel
Plate is spliced by polylith wind-guiding splice plate.Dispersion processing and assembling are easy in such design, meet existing heat exchange tube panel
Packaging technology.
As preferable, the S types wind deflector has set multiple row in a row.Such design is beneficial in heat exchange tube panel be formed
Multiple S types air channels, the air flowed through can be heated uniformly.
As guide plate preferable, that the wind-guiding splice plate includes the retainer ring at middle part and is arranged on outside retainer ring
The wing, the adjacent guide plate wing upper and lower end parts coordinate clamping；The retainer ring is fixedly connected with heat exchanger tube.Such design profit
In wind-guiding splice plate and heat exchanger tube fix and after the assembling gone splice.
As preferable, the adjacent guide plate wing two sides ends contact cooperation；The adjacent guide plate wing two
Contact concave surface and contact convex surface are respectively arranged with side.Such design contacts beneficial to the cooperation in guide plate flank face.
As preferable, metallic plate of the guide plate wing including middle part and the polytetrafluoroethylene (PTFE) for being coated on sheet metal exterior
Outer layer, the upper and lower end parts of the guide plate wing are the connection neck and connection dop being made up of polytetrafluorethylene outer layer.It is such
Design both can guarantee that the intensity of the guide plate wing, polytetrafluoroethylene (PTFE) can be utilized to obtain wear resistant corrosion resistant again, air drag is small to lead
Wind face.
As preferable, the heat exchanger tube surface soldered has spiral to exchange heat fin.Such design is beneficial to further improve
Heat exchange efficiency.
As preferable, the S type wind-guiding plate surfaces that the wind-guiding splice plate is spliced into are smooth.Such design is beneficial to reduce
Windage.
The advantages of the present invention are：It is to be heated by using hot air heat exchange tube assembly described herein
Air by exchange heat tube panel when, under the guide effect of S type wind deflectors with heat exchanger tube carry out heat change, due to the road of air flow
Line is become path and the time for for S type curves, extending that air flows in heat exchange tube panel by straight line line, and covert increasing is changed
The area of heat, in the heat exchange tube panel of same thickness can improve heat changes effect.
Brief description of the drawings
Fig. 1 is set of heat exchange tubes structural representation of the present invention；
Fig. 2 is heat exchange tube panel overlooking the structure diagram；
Fig. 3 is structure enlargement diagram at A in Fig. 1；
Fig. 4 is wind-guiding splice plate structure schematic diagram；
Fig. 5 is wind-guiding splice plate cross section structure diagram.
In figure：1st, heat exchanger tube；2nd, set of heat exchange tubes；3rd, exchange heat tube panel；4th, header water inlet；5th, header delivery port；6th, S types are led
Aerofoil；7th, wind-guiding splice plate；8th, retainer ring；9th, the guide plate wing；10th, concave surface is contacted；11st, convex surface is contacted；12nd, metallic plate；13rd, gather
Tetrafluoroethene outer layer；14th, neck is connected；15th, dop is connected；16th, union elbow.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is further described.Following examples are only
For clearly illustrating technical scheme, and can not be limited the scope of the invention with this.
As shown in Figures 1 to 5, a kind of power plant's hot air heat exchange tube assembly, including heat exchanger tube 1 arranged in rows up and down, it is described
Heat exchanger tube 1 forms set of heat exchange tubes 2 by the connection of union elbow 16；The set of heat exchange tubes 2 sets in a row to form heat exchange tube panel 3, and
The both ends of the set of heat exchange tubes 2 set in a row are connected with header water inlet 4 and header delivery port 5 respectively；Set in the heat exchange tube panel 3
S types wind deflector 6 is equipped with, the S types wind deflector 6 is set along air current flow direction.
Wind-guiding splice plate 7 is provided with the every heat exchanger tube 1 of the composition heat exchange tube panel 3, the S types wind deflector 6 is by more
Block wind-guiding splice plate 7 is spliced.
The S types wind deflector 6 has set multiple row in a row.
The guide plate wing 9 that the wind-guiding splice plate 7 includes the retainer ring 8 at middle part and is arranged on outside retainer ring 8, the phase
The adjacent upper and lower end parts of the guide plate wing 9 coordinate clamping；The retainer ring 8 is fixedly connected with heat exchanger tube 1.
The adjacent two sides ends contact of the guide plate wing 9 coordinates；On the adjacent two sides of the guide plate wing 9 respectively
It is provided with contact concave surface 10 and contact convex surface 11.
The polytetrafluorethylene outer layer that the guide plate wing 9 includes the metallic plate 12 at middle part and is coated on outside metallic plate 12
13, the upper and lower end parts of the guide plate wing 9 are the connection neck 14 and connection dop 15 being made up of polytetrafluorethylene outer layer 13.
The surface soldered of heat exchanger tube 1 has spiral heat exchange fin.
6 surfaces of S types wind deflector that the wind-guiding splice plate 7 is spliced into are smooth.
When in use, heat exchange tube panel 3 is fixed in heat transfer flue, and hot-air to be changed flows and heat exchange tube panel 3 from bottom to up
Exchanged heat, after air enters heat exchange tube panel 3, under the guiding for the S types wind deflector 6 that wind-guiding splice plate 7 forms, flow road
Strength is changed into S-shaped, adds the heat exchange area with heat exchanger tube 1, and the heat for improving the heat exchange tube panel 3 of unit height changes effect.
All wind-guiding is fixed with when the tube panel 3 that exchanges heat assembles, on the every heat exchanger tube 1 in set of heat exchange tubes 2 by retainer ring 8 to spell
Fishplate bar 7, the neighbouring guide plate wing 9 are spliced by neck and connection dop 15, and one of S-shaped wind-guiding is first formed in vertical direction
Bar, then when set of heat exchange tubes 2 assembles, coordinated by the two sides ends contact of the guide plate wing 9 of neighbour, form overall S types and lead
Aerofoil 6, is guided to air.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, the front lower of the technology of the present invention principle is not being departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
- A kind of 1. power plant's hot air heat exchange tube assembly, it is characterised in that：Including heat exchanger tube arranged in rows up and down, the heat exchanger tube leads to Union elbow is crossed to connect to form set of heat exchange tubes；The set of heat exchange tubes sets in a row to form heat exchange tube panel, and the heat exchange set in a row The both ends of pipe group are connected with header water inlet and header delivery port respectively；S type wind deflectors are provided with the heat exchange tube panel, it is described S types wind deflector is set along air current flow direction.
- 2. power plant's hot air heat exchange tube assembly as claimed in claim 1, it is characterised in that：Every of the composition heat exchange tube panel changes Wind-guiding splice plate is provided with heat pipe, the S types wind deflector is spliced by polylith wind-guiding splice plate.
- 3. power plant's hot air heat exchange tube assembly as claimed in claim 2, it is characterised in that：The S types wind deflector has been set in a row Multiple row.
- 4. power plant's hot air heat exchange tube assembly as claimed in claim 3, it is characterised in that：The wind-guiding splice plate includes middle part Retainer ring and the guide plate wing being arranged on outside retainer ring, the adjacent guide plate wing upper and lower end parts coordinate clamping；It is described solid Determine ring to be fixedly connected with heat exchanger tube.
- 5. power plant's hot air heat exchange tube assembly as claimed in claim 4, it is characterised in that：The adjacent guide plate wing two sides Ends contact coordinates；Contact concave surface and contact convex surface are respectively arranged with the adjacent guide plate wing two sides.
- 6. power plant's hot air heat exchange tube assembly as claimed in claim 5, it is characterised in that：The guide plate wing includes the gold at middle part Category plate and be coated on the polytetrafluorethylene outer layer of sheet metal exterior, the upper and lower end parts of the guide plate wing be by polytetrafluoroethylene (PTFE) outside The connection neck and connection dop that layer is formed.
- 7. power plant's hot air heat exchange tube assembly as claimed in claim 6, it is characterised in that：The heat exchanger tube surface soldered has spiral Exchange heat fin.
- 8. power plant's hot air heat exchange tube assembly as claimed in claim 7, it is characterised in that：The S that the wind-guiding splice plate is spliced into Type wind-guiding plate surface is smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711092538.XA CN107741026B (en) | 2017-11-08 | 2017-11-08 | Hot air heat exchange tube assembly of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711092538.XA CN107741026B (en) | 2017-11-08 | 2017-11-08 | Hot air heat exchange tube assembly of power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107741026A true CN107741026A (en) | 2018-02-27 |
| CN107741026B CN107741026B (en) | 2023-12-15 |
Family
ID=61234195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711092538.XA Active CN107741026B (en) | 2017-11-08 | 2017-11-08 | Hot air heat exchange tube assembly of power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107741026B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060069198A (en) * | 2004-12-17 | 2006-06-21 | 주식회사 대우일렉트로닉스 | Heat exchanger for air conditioner |
| CN201881851U (en) * | 2010-12-15 | 2011-06-29 | 何明先 | Heat exchange heater for tail gas vehicle |
| CN102252558A (en) * | 2011-05-06 | 2011-11-23 | 三花丹佛斯（杭州）微通道换热器有限公司 | Heat exchange device |
| CN103134069A (en) * | 2011-11-30 | 2013-06-05 | 溧阳市恒祥特钢机械制造有限公司 | Novel finned tube type air preheater |
| DE102012007063A1 (en) * | 2012-04-03 | 2013-10-10 | Technische Universität Ilmenau | Heat exchanger has heat exchanger tubes which are arranged in different angle of inclination of predetermined degree, and are displaced in direction of flow of secondary medium in each case by amount of blades |
| CN204830486U (en) * | 2015-07-21 | 2015-12-02 | 河南巨烽生物能源开发有限公司 | Multistage heat exchanger of furnace |
| CN107062956A (en) * | 2017-05-12 | 2017-08-18 | 江苏龙净节能科技有限公司 | A kind of spiral finned tube heat-exchanger rig utilized for Large Copacity fume afterheat |
| CN207569910U (en) * | 2017-11-08 | 2018-07-03 | 江阴德耐特重工科技有限公司 | A kind of power plant's hot air heat exchange tube assembly |
-
2017
- 2017-11-08 CN CN201711092538.XA patent/CN107741026B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060069198A (en) * | 2004-12-17 | 2006-06-21 | 주식회사 대우일렉트로닉스 | Heat exchanger for air conditioner |
| CN201881851U (en) * | 2010-12-15 | 2011-06-29 | 何明先 | Heat exchange heater for tail gas vehicle |
| CN102252558A (en) * | 2011-05-06 | 2011-11-23 | 三花丹佛斯（杭州）微通道换热器有限公司 | Heat exchange device |
| CN103134069A (en) * | 2011-11-30 | 2013-06-05 | 溧阳市恒祥特钢机械制造有限公司 | Novel finned tube type air preheater |
| DE102012007063A1 (en) * | 2012-04-03 | 2013-10-10 | Technische Universität Ilmenau | Heat exchanger has heat exchanger tubes which are arranged in different angle of inclination of predetermined degree, and are displaced in direction of flow of secondary medium in each case by amount of blades |
| CN204830486U (en) * | 2015-07-21 | 2015-12-02 | 河南巨烽生物能源开发有限公司 | Multistage heat exchanger of furnace |
| CN107062956A (en) * | 2017-05-12 | 2017-08-18 | 江苏龙净节能科技有限公司 | A kind of spiral finned tube heat-exchanger rig utilized for Large Copacity fume afterheat |
| CN207569910U (en) * | 2017-11-08 | 2018-07-03 | 江阴德耐特重工科技有限公司 | A kind of power plant's hot air heat exchange tube assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107741026B (en) | 2023-12-15 |
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