CN209483545U - A kind of fan blade deicing system - Google Patents
A kind of fan blade deicing system Download PDFInfo
- Publication number
- CN209483545U CN209483545U CN201920164597.1U CN201920164597U CN209483545U CN 209483545 U CN209483545 U CN 209483545U CN 201920164597 U CN201920164597 U CN 201920164597U CN 209483545 U CN209483545 U CN 209483545U
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- China
- Prior art keywords
- fan blade
- air
- web
- baffle
- deicing system
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- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model provides a kind of fan blade deicing system, web is provided between the leading edge and rear of the fan blade, in communication with the space between the web and the rear at the blade tip of the fan blade, the fan blade deicing system includes air-heater, air supply tube and baffle in space between the web and the leading edge；Wherein: the air-heater is set to the root of the fan blade, one end of the baffle connects the web, the other end of the baffle connects the leading edge, and space between the web and the leading edge is divided into two parts by the baffle, one end of the air supply tube connects the air outlet of the air-heater, and the other end of the air supply tube connects the ventilation hole on the baffle.Deicing effectively can be carried out to fan blade with lower energy consumption by fan blade deicing system provided by the embodiment of the utility model.
Description
Technical field
The utility model belongs to technical field of wind power generation, and in particular to a kind of fan blade deicing system.
Background technique
Low in temperature, humidity is big, and the place of height above sea level, fan blade is easy to freeze.Blade will lead to blade after freezing
Overload and load are unbalanced, cause the reduction of fan operation efficiency.Continue to run that also to change blade original under blade icing condition
Aerofoil profile, lead to blade aerodynamic penalty, Wind energy extraction ability caused sharply to decline, when accumulated ice is serious load increase, vibration
Aggravation, results even in leaf destruction when serious, generate very big harm to generating set.When freezing serious, unit is necessary
Off-grid is shut down, and the decline of unit utilization rate causes generated energy to lose.In addition after blade freezes, as temperature increases, ice cube will take off
It falls, it is hidden that the distance that the ice cube that falls off is thrown out of up to 1.5 times of blade tip height, to unit and Field Force will cause biggish safety
Suffer from.
Have in the prior art it is a kind of based on air heating deicing system, fan blade inside formed air-supply passage and
Return air channel mode heats fan blade, but in this scheme, due to pushing the power source of air movement (to send
Blower or exhaust fan) it is located at root of blade, the air-supply passage of hot wind extends to blade tip, the length of entire air-supply passage from root of blade
Degree is very long, and space is very big (half for accounting for about blade volume), along with the power limited of pressure fan, therefore will cause heating temperature
Degree is unevenly distributed weighing apparatus (hot wind is difficult to reach blade tip with high flow velocities and larger temperature) on entire fan blade, and then not only
The deicing effect for influencing blade, also will cause a large amount of losses of thermal energy.
Utility model content
In view of this, the utility model embodiment provides a kind of fan blade deicing system, can have with lower energy consumption
Effect ground carries out deicing to fan blade.
The utility model embodiment provides a kind of fan blade deicing system, the leading edge and rear of the fan blade
Between be provided with web, the space between the web and the leading edge is at the blade tip of the fan blade in communication with the abdomen
Space between plate and the rear, the fan blade deicing system include air-heater, air supply tube and baffle；Wherein:
The air-heater is set to the root of the fan blade, and one end of the baffle connects the web, the gear
The other end of plate connects the leading edge, and space between the web and the leading edge is divided into two parts by the baffle, described
One end of air supply tube connects the air outlet of the air-heater, and the other end of the air supply tube connects the ventilation hole on the baffle.
Preferably, the air supply tube is contacted with the web and the up-front inner wall；The up-front outer wall is described
The windward side of fan blade.
Preferably, the length of the blade is 30~70 meters, and the length of the air supply tube is 5 to 30m.
Preferably, 30m is arrived for 10 with a distance from blade root of the baffle from the fan blade.
Preferably, the distance between the inner wall of one end and the blade tip towards the blade tip of the web is 1~3m.
Preferably, the diameter of the air supply tube is 15 to 30cm.
Preferably, operation door is additionally provided on the baffle.
Preferably, be additionally provided with backwind tube on the air-heater, one end of the backwind tube connect the air-heater into
Air port, the other end of the backwind tube are connected to the space between the web and the rear.
Preferably, the air-heater includes pressure fan and heater, and the heater is located at the air outlet of the pressure fan
Place.
Preferably, the pressure fan further includes turbocharger.
Preferably, the web includes doubling plate parallel to each other, and is spaced apart between doubling plate；The air-heater has
Two air outlets, one of those described air outlet are connect with air supply tube, another described air outlet is connected to the double of the web
Space between laminate.
Preferably, the fan blade deicing system further includes hush panel, the blade tip positioned at fan blade of the web
One end closed by the hush panel, on the plate closer from the leading edge in the doubling plate of the web have ventilation
Hole, and the junction to the region between the hush panel of the web and the baffle is arranged in the venthole；It is described logical
The ventilation direction of stomata and the web from one end of the air-heater is closed on to the other end being connect with the hush panel
The angle in direction is 30 degree to 60 degree.
In fan blade deicing system provided by the utility model, air-heater can be set to the root of fan blade,
By baffle plate setting between the web and leading edge of fan blade, by the air outlet of one end connection air-heater of air supply tube, the other end
Ventilation hole on connection baffle can shorten the length of air-supply passage in the prior art in this way, preferably to blower leaf
The blade tip of piece is heated, and the heat of the tube wall due to that can pass through air supply tube adds to up-front from the farther part of blade tip
Heat, the utility model can also allow the heating of entire blade more uniform, while can also reduce air-supply and the heating power consumption of air-heater.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of fan blade deicing system provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another fan blade deicing system provided by the embodiment of the utility model.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing to this reality
Be described in detail with novel, the description of this part be only it is exemplary and explanatory, should not be to the protection scope of the utility model
There is any restriction effect.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.It should be noted that art
The orientation or positional relationship of the instructions such as language "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside" is
Be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation usually put or position close
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition,
The terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, but can slightly incline
Tiltedly.It is not to indicate that the structure has to complete water if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is flat, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.In order to illustrate technical solution described in the utility model, below by
Specific embodiment is illustrated.
Referring to Fig. 1, Fig. 1 is a kind of structural representation of fan blade deicing system provided by the embodiment of the utility model
Figure.As shown in Figure 1, the present embodiment fan blade deicing system 10 mainly include air-heater 11, air supply tube 12 and baffle 13,
In:
Web 14 is provided between the leading edge 15 and rear 16 of fan blade, between the web 14 and the leading edge 15
Space is at the blade tip of the fan blade in communication with the space between the web 14 and the rear 16, the air-heater 11
It is set to the root of the fan blade, the baffle 13 is set between the web 14 and the leading edge 15, specifically, institute
The one end for stating baffle connects the web, and the other end of the baffle connects the leading edge, and the baffle by the web with
Space is divided into two parts between the leading edge.In an embodiment of the utility model, baffle 13 is perpendicular to leading edge 15；Institute
The one end for stating air supply tube 12 connects the air outlet of the air-heater 11, and the other end of the air supply tube 12 connects on the baffle 13
Ventilation hole (not shown).
Since the outer wall (i.e. the windward side of fan blade windward) of the leading edge 15 of fan blade is easier to freeze, it send
Air hose 12 can contact simultaneously with the inner wall of the web 14 and the leading edge 15, i.e., air supply tube 12 be set to web 14 and it is described before
The angle of the inner wall of edge 15 can be fixed by, for example, adhesive tape or the mode of stickup, in this way, leading edge 15 from
Root of blade can carry out contact by air supply tube 12 and air-heater 11 to the part between baffle 15 and directly heat, due to blade
The ice of root is smaller to the effect of aerodynamic performance of blade, and the heating effect of air supply tube 12 and air-heater 11 itself is preferable, this
Heating method also can satisfy the heating deicing demand at root of blade and middle part.This based on air supply tube 12 is designed and arranged,
The air-supply passage that baffle 13, web 14 and leading edge 15 form also is located at side locating for leading edge 15, and baffle 13, web 14 and preceding
The length and volume for the air-supply passage that edge 15 forms can be much smaller than in the prior art whole from root of fan blade to blade tip
Big air-supply passage, so as to preferably be heated at the tip to the windward side of fan blade.In addition, on air-heater 11 also
Settable backwind tube (not shown), one end of the backwind tube connect the air inlet of the air-heater 11, the backwind tube
The other end be connected to the space (return air channel) between the web and the rear.In an embodiment of the utility model
In, the bottom end from the farther one end of blade tip and the root of fan blade of web 14 can be spaced apart, and air-heater 11 can be set
Be placed in this side of the leading edge 15 of fan blade, the backwind tube can be the shape of bend pipe, backwind tube not with air-heater 11
Web described in face and the rear are formed by return air channel after one end of air inlet connection is flexible.In the utility model
In another embodiment, flushing from the farther one end of blade tip with the bottom end of the root of fan blade for web 14 can be in web
The mode to punch on 14 allows backwind tube to be formed by return air channel with the web and the rear and is connected.It may be noted that be,
Arrow in Fig. 1 represents the direction of hot wind.
Further, the length of the blade is 30~70 meters, and the length of the air supply tube is 5 to 30m.
Optionally, 30m is arrived for 10 with a distance from blade root of the baffle from the fan blade.
Optionally, the distance between the inner wall of one end and the blade tip towards the blade tip of the web is 1~3m.
Optionally, the diameter of the air supply tube is 15 to 30cm.
Optionally, also settable operation door on baffle 13, operation door can be circular, and can be opened and closed, convenient
It installs and repairs in the other side that staff enters baffle.
Further, the air-heater may include pressure fan and heater, and the heater is located at going out for the pressure fan
At air port.Heater can be, for example, cylindric, interior settable multiple heater strips.Optionally, the pressure fan is also wrapped
Include turbocharger.
The fan blade deicing system that Fig. 1 is provided is made by the way that baffle is arranged between the web and leading edge of fan blade
Hot wind is directly sent to this mode in air-supply passage composed by baffle, leading edge and blade tip, contracting by air supply tube by air-heater
The short length of air-supply passage in the prior art, can preferably heat the blade tip of fan blade, and due to that can pass through
The heat of the tube wall of air supply tube heats up-front leaf root part, the utility model can also allow entire blade heating more
Uniformly, while air-supply and the heating power consumption of air-heater can also be reduced.
Referring to Fig. 2, Fig. 2 is the structural representation of another fan blade deicing system provided by the embodiment of the utility model
Figure.As shown in Fig. 2, the fan blade deicing system 20 of the present embodiment is the base of fan blade deicing system 10 shown in Fig. 1
It is got on plinth by transformation, in addition to including the baffle in the leading edge 15 and the space that is surrounded of rear 16 for be arranged in fan blade
13 and air supply tube 12 except, fan blade deicing system 20 further includes hush panel 23, and the abdomen in fan blade deicing system 20
Plate 22 includes doubling plate parallel to each other, and spaced a distance between doubling plate.Air-heater 21 has there are two air outlet,
In an air outlet connect with air supply tube 12, another air outlet face web 22 of air-heater 21 be located at fan blade root
The one end in portion, i.e. space between the doubling plate of another air outlet connection web 22 of air-heater 21, web 22 are located at wind
It is closed by the hush panel 23 one end of the blade tip of machine blade.Due to the emphasis of the utility model be will be to the phase of leading edge 15
Heating deicing is carried out to the closer part of blade tip, therefore, on the plate closer from leading edge 15 in the doubling plate of web 22 is had logical
Stomata (does not show place) in figure, and venthole is only arranged at the junction to the area between hush panel 23 of web 22 and baffle 13
Domain.In addition, the ventilation direction of venthole and web 22 from one end of air-heater 21 is closed on to the other end being connect with hush panel
The angle in direction be 30 degree to 60 degree, this venthole it is angularly disposed, can increase hot wind baffle 13, web 22 and
The flow velocity in air-supply passage between leading edge 15 allows it quickly to lead to blade tip, and then preferably to the leading edge of fan blade 15
Neighbouring blade tip part and blade tip carry out heating deicing.Further, it is also possible to which two air-heaters are arranged, make one of heat
Blower connects air supply tube 12, another air-heater is to the space heat air delivery between web 22.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
Specific case used herein is expounded the principles of the present invention and embodiment, above example
Illustrate the method and its core concept for being merely used to help understand the utility model.The above is only the preferred implementations of the utility model
Mode, it is noted that due to the finiteness of literal expression, and objectively there is unlimited specific structure, for the art
Those of ordinary skill for, without departing from the principle of this utility model, can also make it is several improve, retouching or become
Change, above-mentioned technical characteristic can also be combined in the right way；These improve retouching, variation or combination, or without changing
Other occasions are directly applied to by the conception and technical scheme of utility model, are regarded as the protection model of the utility model
It encloses.
Claims (10)
1. a kind of fan blade deicing system, be provided with web between the leading edge and rear of the fan blade, the web and
Space between the leading edge at the blade tip of the fan blade in communication with the space between the web and the rear,
It is characterized in that, the fan blade deicing system includes air-heater, air supply tube and baffle；Wherein:
The air-heater is set to the root of the fan blade, and one end of the baffle connects the web, the baffle
The other end connects the leading edge, and space between the web and the leading edge is divided into two parts, the air-supply by the baffle
One end of pipe connects the air outlet of the air-heater, and the other end of the air supply tube connects the ventilation hole on the baffle.
2. fan blade deicing system according to claim 1, which is characterized in that the air supply tube and the web and institute
State up-front inner wall contact；The up-front outer wall is the windward side of the fan blade.
3. fan blade deicing system according to claim 1, which is characterized in that the length of the blade is 30~70
Rice, the length of the air supply tube are 5 to 30m.
4. fan blade deicing system according to claim 3, which is characterized in that the baffle is from the fan blade
The distance of blade root is 10 to 30m.
5. fan blade deicing system according to claim 4, which is characterized in that the web towards the blade tip
The distance between inner wall of one end and the blade tip is 1~3m.
6. fan blade deicing system according to claim 1, which is characterized in that the diameter of the air supply tube arrives for 15
30cm。
7. fan blade deicing system according to claim 1, which is characterized in that be additionally provided with operation on the baffle
Door.
8. fan blade deicing system according to any one of claims 1 to 7, return air is additionally provided on the air-heater
Pipe, one end of the backwind tube connect the air inlet of the air-heater, and the other end of the backwind tube is connected to the web and institute
State the space between rear.
9. fan blade deicing system according to any one of claims 1 to 7, which is characterized in that the web includes
Doubling plate parallel to each other, and be spaced apart between doubling plate；Air-heater tool is sent there are two air outlet, described in one of those
Air port is connect with air supply tube, another air outlet is connected to the space between the doubling plate of the web.
10. fan blade deicing system according to claim 9, which is characterized in that the fan blade deicing system is also
Including hush panel, one end of the blade tip positioned at fan blade of the web is closed by the hush panel, the web
There is venthole, and the venthole is arranged in the web and the baffle on the plate closer from the leading edge in doubling plate
Junction to the region between the hush panel；The ventilation direction of the venthole and the web from closing on the hot wind
The angle in one end of machine to the direction for the other end connecting with the hush panel is 30 degree to 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164597.1U CN209483545U (en) | 2019-01-30 | 2019-01-30 | A kind of fan blade deicing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164597.1U CN209483545U (en) | 2019-01-30 | 2019-01-30 | A kind of fan blade deicing system |
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| Publication Number | Publication Date |
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| CN209483545U true CN209483545U (en) | 2019-10-11 |
Family
ID=68133168
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920164597.1U Active CN209483545U (en) | 2019-01-30 | 2019-01-30 | A kind of fan blade deicing system |
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| Country | Link |
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| CN (1) | CN209483545U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761904A (en) * | 2021-02-26 | 2021-05-07 | 中国华能集团清洁能源技术研究院有限公司 | Fan blade deicing system and working method thereof |
| CN113819014A (en) * | 2021-10-19 | 2021-12-21 | 中国华能集团清洁能源技术研究院有限公司 | Blade deicing system with optimized deicing flow channel and flow channel design method thereof |
-
2019
- 2019-01-30 CN CN201920164597.1U patent/CN209483545U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761904A (en) * | 2021-02-26 | 2021-05-07 | 中国华能集团清洁能源技术研究院有限公司 | Fan blade deicing system and working method thereof |
| CN112761904B (en) * | 2021-02-26 | 2024-01-30 | 中国华能集团清洁能源技术研究院有限公司 | Fan blade deicing system and working method thereof |
| CN113819014A (en) * | 2021-10-19 | 2021-12-21 | 中国华能集团清洁能源技术研究院有限公司 | Blade deicing system with optimized deicing flow channel and flow channel design method thereof |
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