CN101476352B - Isolation and sealing technique for pre-embedded foundation ring of wind generator set - Google Patents
Isolation and sealing technique for pre-embedded foundation ring of wind generator set Download PDFInfo
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- CN101476352B CN101476352B CN2008102408397A CN200810240839A CN101476352B CN 101476352 B CN101476352 B CN 101476352B CN 2008102408397 A CN2008102408397 A CN 2008102408397A CN 200810240839 A CN200810240839 A CN 200810240839A CN 101476352 B CN101476352 B CN 101476352B
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Abstract
The invention discloses technology for isolating and sealing an embedded foundation ring of a wind generating set, which comprises the following steps: firstly, gluing an isolation layer on an upper row of elliptical holes on the outer wall and the inner wall of a foundation ring; secondly, using a cutter to cut off the isolation layer on the elliptical holes; thirdly, gluing another isolation layer which is sheared in advance on the inner wall surfaces of the elliptical holes, making the isolation layer exceed the wall thickness of the foundation ring, and simultaneously gluing an exceeding part on the isolation layer which is glued in advance on the wall of the foundation ring; fourthly, embedding the foundation ring subjected to isolation treatment into foundation concrete, and making the foundation ring a section of distance higher than the foundation concrete; fifthly, drilling a sealant into preserved grooves on interfaces of the foundation ring and the foundation concrete; and sixthly, spraying a waterproof paint or gluing waterproof rolls on the interfaces of the inner wall and the outer wall of the foundation ring with the foundation concrete and the upper surface of the foundation concrete along the circumference of the inner wall and the outer wall of the foundation ring, and sealing both the inside and the outside of the foundation ring.
Description
Technical field
The present invention is about wind power generating set, more particularly, and about a kind of isolation and encapsulating method of pre-embedded foundation ring of wind generator set.
Background technology
Pre-embedded foundation ring is comparatively reasonably a kind of in all multimodes of wind power generating set steel tower tube and basic fixed; because comparing with the connected mode of pre-embedded anchoring bolts, discharge ring has advantages such as the control of easy and simple to handle, levelness is simple, finished product protection is easy, so by the employing of most of wind-driven generator manufacturer.But have following problem in use, specifically:
As shown in Figure 1, discharge ring is an annular barrel, is respectively equipped with upper flange 1 and lower flange 2 at position up and down, and is provided with upper and lower row's elliptical aperture 3,4 between upper and lower part flange 1,2.When pre-embedded foundation ring, the lower flange 2 and the part barrel of discharge ring are embedded within the base concrete, upper flange 1 and part barrel are exposed to the outside, and wherein the same corrosivity classification of need doing with the tower barrel of the basic ring wall of exposed parts is the anticorrosion paint that C5 (inner surface is C4), useful life reached 15 years.But in order to make discharge ring and base concrete bonding firmly, the barrel surface that discharge ring is embedded in the concrete can not be painted by the brushing long-effective corrosion, so on engineering, need to take appropriate measures, prevent that moisture is via the lower part of the gap leakage between discharge ring and the base concrete to discharge ring, cause the discharge ring corrosion, cause a hidden trouble to structural safety, but do not have good Sealing Technology at present.
In addition, the transmission of power mainly is to arrange elliptical aperture 4 down by discharge ring lower flange 2 and discharge ring to finish between discharge ring and the base concrete.And the reinforcing bar on basic top need arrive in the concrete of discharge ring inside by the row's of passing elliptical aperture 3, to increase the globality of discharge ring internal structure external structure.Because discharge ring is embedding darker,, also needs discharge ring top elliptical aperture 3 and base concrete are kept apart, and also do not have good partition method at present for preventing the transmission of discharge ring in top elliptical aperture 3 places and base concrete generation power.
Summary of the invention
The object of the present invention is to provide and a kind ofly can realize fully isolating with sealing, and have the isolation and the encapsulating method of effective, lasting, durable pre-embedded foundation ring of wind generator set.
The isolation of pre-embedded foundation ring of wind generator set and encapsulating method among the present invention, wherein discharge ring is an annular barrel, upper and lower end in described annular barrel is provided with upper and lower flange, and between described upper and lower flange, be provided with the upper and lower elliptical aperture of two rows, described discharge ring is isolated with encapsulating method including following steps:
1) outer wall of discharge ring is cleaned out, sentence the width that covers row's elliptical aperture at least fully at row's elliptical aperture on the outer wall and evenly smear bonding adhesive along basic ring wall hoop, when treating that bonding adhesive is clamminess slightly, to cut out on the smooth outer wall that sticks on discharge ring of good separation layer, the width of described separation layer covers the described row's of going up elliptical aperture at least fully;
2) leave standstill a period of time after stickup finishes, after layer to be isolated had certain sticking strength, the separation layer that will arrange the elliptical aperture position from discharge ring inwall one side along the oval hole wall of last row with cutter prescinded;
3) inner wall cleaning with discharge ring is clean, sentence the width that covers row's elliptical aperture at least fully at row's elliptical aperture on the inwall and evenly smear bonding adhesive along basic ring wall hoop, when treating that bonding adhesive is clamminess slightly, to cut out on the smooth inwall that sticks on discharge ring of good separation layer, the width of described separation layer covers the described row's of going up elliptical aperture at least fully;
4) leave standstill a period of time after stickup finishes, after layer to be isolated had certain sticking strength, the separation layer that will arrange the elliptical aperture position from discharge ring outer wall one side along the oval hole wall of last row with cutter prescinded;
5) cut out width greater than discharge ring wall thickness, length separation layer more than or equal to last row's elliptical aperture girth;
6), and the separation layer that cuts is sticked on the internal face of row's elliptical aperture at the last internal face gluing of arranging elliptical aperture;
7) will exceed the separation layer down tilt that row's elliptical aperture is positioned at discharge ring inside and outside wall both sides, directly stick on the separation layer that had before pasted;
8) discharge ring after isolation processing is imbedded in the base concrete, made discharge ring exceed base concrete one segment distance;
9) in the groove of discharge ring and the reservation of base concrete interface place, squeeze into fluid sealant;
10) at the interface of inside and outside wall, discharge ring inside and outside wall and the base concrete of discharge ring and base concrete along the upper surface brushing water-repellent paint of discharge ring inside and outside wall periphery or paste waterproof roll, inside, the outside of discharge ring all sealed.
The thickness of described separation layer is 5mm.
Spacer width on the described row of the sticking on elliptical aperture inwall exceeds inside and outside each 10mm of wall of discharge ring.
Described fluid sealant is neutral silicone fluid sealant or weather-resistant glue.
In step 1), 3) in smear and be increased in row's elliptical aperture upper edge before the bonding adhesive and make progress the certain position place along basic ring wall hoop bullet mark line, to measure the certain distance position step of a hoop mark line of bullet again under this alignment, evenly smear bonding adhesive at this two lines zone line again.
The isolation of pre-embedded foundation ring of wind generator set and encapsulating method can be isolated and sealing discharge ring effectively among the present invention; guarantee that discharge ring and base concrete are bonding firmly; and can prevent that moisture is via the lower part of the gap leakage between discharge ring and the base concrete to discharge ring; and then prevent from the discharge ring corrosion to guarantee safety.Can prevent simultaneously the transmission of discharge ring in last row elliptical aperture place and base concrete generation power.
Description of drawings
Fig. 1 is the schematic perspective view of discharge ring among the present invention;
Fig. 2 is the cross-sectional schematic of discharge ring after making the isolating seal method among the present invention;
Fig. 3 is the enlarged diagram shown in the A part among Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment among the present invention is described in further detail.
As shown in Figure 1, the discharge ring 5 among the present invention is an annular barrel, respectively is provided with lower flange 1,2 at upper and lower side, and is provided with the upper and lower elliptical aperture 3,4 of two rows between last lower flange 1,2.
This discharge ring 5 in use, the steel pylon in the wind power generating set is connected with steel discharge ring 5 in being cast in base concrete by bolt.This discharge ring 5 is arranged elliptical aperture 4 with the transmission of the power of base concrete down by discharge ring lower flange 2 and discharge ring and is finished.For satisfying this force request, the basic ring wall surfaces externally and internally of row's elliptical aperture 3 in-scopes need be kept apart with concrete on discharge ring 5, and needs encapsulation process.Concrete method is as follows:
1, discharge ring 5 outer walls is cleaned out, row's elliptical aperture 3 upper edges make progress the certain position place along basic ring wall hoop bullet mark line on outer wall, to measure certain distance (position of this distance and height are determined according to the calculating of discharge ring) position hoop mark line of bullet again under this alignment, evenly smear bonding adhesive at two line zone lines, when treating that bonding adhesive is clamminess slightly, to cut out on the smooth outer wall that sticks on discharge ring 5 of good rubber coiled material 6 alignment mark lines, this rubber coiled material 6 covers row's elliptical aperture 3 fully, and the thickness of rubber coiled material 6 is 5mm, as separation layer.
2, paste and to leave standstill a period of time after finishing, treat that rubber coiled material 6 has certain sticking strength after, prescind along the rubber coiled material 6 of oval hole wall from discharge ring 5 inwalls one side with cutter the elliptical aperture position.
3, the inner wall cleaning with discharge ring 5 is clean, row's elliptical aperture 3 upper edges make progress the certain position place along basic ring wall hoop bullet mark line on inwall, to measure certain distance position hoop mark line of bullet again under this alignment, evenly smear bonding adhesive at two line zone lines, when treating that bonding adhesive is clamminess slightly, to cut out good smooth the sticking on discharge ring 5 inwalls of rubber coiled material 6 alignment mark lines, this rubber coiled material 6 covers row's elliptical aperture 3 fully, and the thickness of rubber coiled material 6 is 5mm.
4, paste and to leave standstill a period of time after finishing, treat that rubber coiled material 6 has certain sticking strength after, prescind along the separation layer of oval hole wall from discharge ring 5 outer walls one side with cutter the elliptical aperture position.Wherein step 1,2 and 3,4 front and back order can be exchanged, and not necessarily press listed order among the embodiment, and the while width of rubber coiled material 6 needs the row's of covering elliptical aperture 3 fully at least.
5, cut out the wide 52mm of being (because the discharge ring wall thickness is 32mm, both sides need the lap width of each 10mm, therefore need 52mm, but not as limit) * rubber strip 11 of 300mm (lap width of the girth 290mm+10mm of elliptical aperture), behind the gluing on the internal face of the row's of sticking on elliptical aperture 3, as shown in Figure 3.
6, with wide 10mm rubber strip 11 down tilts that go out in both sides, on the discharge ring 5 inside and outside walls of pasting before placing on the rubber coiled material 6, compress and cement, as shown in Figure 3, thereby can prevent the transmission of discharge ring 5 in last row elliptical aperture 3 places and base concrete 7 generation power.
7, will imbed in the base concrete 7 through the discharge ring 5 of isolation processing, and make discharge ring 5 exceed base concrete 7 one segment distances, be generally 600mm.
8, in the groove 8 of discharge ring 5 and the reservation of base concrete 7 interface places, squeeze into fluid sealant 9, sealing glue 9 adopts neutral silicone fluid sealant or weather-resistant glue, this type of fluid sealant choose the climatic environment that will consider the wind field scene, have characteristics such as durable, flexible, UV resistant radiation.
9, do not imbed the interface of inside and outside wall, discharge ring 5 inside and outside walls and base concrete 7 of base concrete 7 and base concrete 7 on discharge ring 5 tops along the upper surface brushing water-repellent paint of discharge ring 5 inside and outside wall peripheries or paste waterproof roll 10, inside, the outside of discharge ring 5 all sealed.Wherein choosing of water-repellent paint or waterproof roll should be determined according to the wind field weather conditions, for the wind field of the northern area of China wind field especially the Northeast, needs emphasis to consider the low temperature flexibility performance of waterproofing materials, as the waterproofing materials of rubber-like.For the strong area of ultraviolet ray, particularly southeastern coastal areas wind field, just should consider ageing-resistant waterproofing materials, as, the weatherability waterproofing materials.Thereby can prevent moisture via the lower part of the gap leakage between discharge ring and the base concrete, and then prevent the discharge ring corrosion, guarantee safety to discharge ring.
Claims (5)
1. the isolation of a pre-embedded foundation ring of wind generator set and encapsulating method, described discharge ring is an annular barrel, upper and lower end in described annular barrel is provided with upper and lower flange, and between described upper and lower flange, be provided with the upper and lower elliptical aperture of two rows, described discharge ring is isolated with encapsulating method including following steps:
1) outer wall of discharge ring is cleaned out, sentence the width that covers row's elliptical aperture at least fully at row's elliptical aperture on the outer wall and evenly smear bonding adhesive along basic ring wall hoop, when treating that bonding adhesive is clamminess slightly, to cut out on the smooth outer wall that sticks on discharge ring of good separation layer, the width of described separation layer covers the described row's of going up elliptical aperture at least fully;
2) leave standstill a period of time after stickup finishes, after layer to be isolated had certain sticking strength, the separation layer that will arrange the elliptical aperture position from discharge ring inwall one side along the oval hole wall of last row with cutter prescinded;
3) inner wall cleaning with discharge ring is clean, sentence the width that covers row's elliptical aperture at least fully at row's elliptical aperture on the inwall and evenly smear bonding adhesive along basic ring wall hoop, when treating that bonding adhesive is clamminess slightly, to cut out on the smooth inwall that sticks on discharge ring of good separation layer, the width of described separation layer covers the described row's of going up elliptical aperture at least fully;
4) leave standstill a period of time after stickup finishes, after layer to be isolated had certain sticking strength, the separation layer that will arrange the elliptical aperture position from discharge ring outer wall one side along the oval hole wall of last row with cutter prescinded;
5) cut out width greater than discharge ring wall thickness, length separation layer more than or equal to last row's elliptical aperture girth;
6), and the separation layer that cuts is sticked on the internal face of row's elliptical aperture at the last internal face gluing of arranging elliptical aperture;
7) will exceed the separation layer down tilt that row's elliptical aperture is positioned at discharge ring inside and outside wall both sides, directly stick on the separation layer that had before pasted;
8) discharge ring after isolation processing is imbedded in the base concrete, made discharge ring exceed base concrete one segment distance;
9) in the groove of discharge ring and the reservation of base concrete interface place, squeeze into fluid sealant;
10) at the interface of inside and outside wall, discharge ring inside and outside wall and the base concrete of discharge ring and base concrete along the upper surface brushing water-repellent paint of discharge ring inside and outside wall periphery or paste waterproof roll, inside, the outside of discharge ring all sealed.
2. the isolation of pre-embedded foundation ring of wind generator set according to claim 1 and encapsulating method is characterized in that, the thickness of described separation layer is 5mm.
3. the isolation of pre-embedded foundation ring of wind generator set according to claim 1 and encapsulating method is characterized in that, the spacer width on the described row of the sticking on elliptical aperture inwall exceeds inside and outside each 10mm of wall of discharge ring.
4. the isolation of pre-embedded foundation ring of wind generator set according to claim 1 and encapsulating method is characterized in that, described fluid sealant is neutral silicone fluid sealant or weather-resistant glue.
5. according to the isolation and the encapsulating method of any described pre-embedded foundation ring of wind generator set in the claim 1 to 4, it is characterized in that, in step 1), 3) in smear and be increased in row's elliptical aperture upper edge before the bonding adhesive and make progress the certain position place along basic ring wall hoop bullet mark line, to measure the certain distance position step of a hoop mark line of bullet again under this alignment, evenly smear bonding adhesive at this two lines zone line again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102408397A CN101476352B (en) | 2008-12-24 | 2008-12-24 | Isolation and sealing technique for pre-embedded foundation ring of wind generator set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102408397A CN101476352B (en) | 2008-12-24 | 2008-12-24 | Isolation and sealing technique for pre-embedded foundation ring of wind generator set |
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| CN101476352A CN101476352A (en) | 2009-07-08 |
| CN101476352B true CN101476352B (en) | 2011-02-16 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102134879B (en) * | 2011-01-12 | 2012-04-25 | 陕西建工集团第六建筑工程有限公司 | Embedding accuracy control construction method for embedded part of overlong equipment foundation platform |
| CN102671406A (en) * | 2012-04-26 | 2012-09-19 | 苏州市金翔钛设备有限公司 | Basic annular plate |
| CN102733641B (en) * | 2012-07-04 | 2014-05-28 | 广东明阳风电产业集团有限公司 | Tower drum foundation ring of wind driven generator |
| CN104912096A (en) * | 2015-04-30 | 2015-09-16 | 湖南科技大学 | Land wind turbine foundation drainage system |
| CN106759436A (en) * | 2016-12-16 | 2017-05-31 | 青岛华创风能有限公司 | A kind of practical foundation ring water-tight corrosion-proof method |
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Inventor after: Zhu Hongbing Inventor after: Liu Zuohui Inventor before: Zhu Hongbin Inventor before: Liu Zuohui |
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