CN202359874U - Combined enclosing wall and de-noising structure of direct-current extra-high voltage convertor station - Google Patents
Combined enclosing wall and de-noising structure of direct-current extra-high voltage convertor station Download PDFInfo
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- CN202359874U CN202359874U CN 201120392619 CN201120392619U CN202359874U CN 202359874 U CN202359874 U CN 202359874U CN 201120392619 CN201120392619 CN 201120392619 CN 201120392619 U CN201120392619 U CN 201120392619U CN 202359874 U CN202359874 U CN 202359874U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 230000004888 barrier function Effects 0.000 claims abstract description 41
- 239000004567 concrete Substances 0.000 claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 9
- 241000209094 Oryza Species 0.000 claims description 7
- 235000007164 Oryza sativa Nutrition 0.000 claims description 7
- 235000009566 rice Nutrition 0.000 claims description 7
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 230000001965 increasing effect Effects 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000011491 glass wool Substances 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a combined enclosing wall and a de-noising structure of a direct-current extra-high voltage convertor station. Particularly, the lower part of the combined enclosing wall applicable to the extra-high voltage convertor station, disclosed by the utility model, is provided with a concrete block enclosing wall; the upper part of the enclosing wall is a soundproof barrier; and the soundproof barrier comprises a steel column, a steel beam and a soundproof plate which is fixedly arranged between the steel column and the steel beam. According to the combined enclosing wall and the de-noising structure of the direct-current extra-high voltage convertor station, the problem of the direct-current extra-high voltage convertor station that a conventional enclosing wall height cannot reach standards of factory boundary noises, which is caused by improving the voltage grade, and increasing and enhancing a noise source of equipment, is solved. The enclosing wall disclosed by the utility model has good stability and can realize the target of overall considering stability and de-noising property.
Description
Technical field
The utility model relates to field of power transmission, relates to a kind of extra-high voltage that is applicable to particularly (like ± 800kV) Assembled surrounding wall of current conversion station.The utility model also relates to a kind of denoising structure that comprises the direct current extra-high voltage current conversion station of combinations thereof enclosure wall.
Background technology
± 800kV extra-high voltage current conversion station DC equipment electric pressure is high, and noise source routine ± 500kV current conversion station increases enhancing, and conventional enclosure wall height can't satisfy the requirement up to standard of factory's circle noise.Existing enclosure wall generally highly reaches the purpose that reduces noise through increasing, but it is poor to produce the enclosure wall steadiness simultaneously, problems such as cost height.
Therefore, this area enclosure wall and denoising structure of pressing for the development structure firm, stable and having excellent noise reduction property.
The utility model content
The purpose of the utility model provides the Assembled surrounding wall that a kind of can be used for ± 800kV extra-high voltage current conversion station use, can be high in the DC equipment electric pressure, and satisfy the requirement up to standard of factory's circle noise under the more situation of noise source, and can guarantee the steadiness of enclosure wall simultaneously.
In the first aspect of the utility model, a kind of Assembled surrounding wall of direct current extra-high voltage current conversion station is provided, said enclosure wall comprises enclosure wall bottom and enclosure wall top, wherein,
Described enclosure wall bottom is the concrete block enclosure wall,
Said enclosure wall top is noise barrier, and said noise barrier comprises steel column, girder steel and is fixed in the sound barrier between said steel column and the girder steel.
In another preference, said enclosure wall also comprises the sound absorption tube that is positioned at said noise barrier top, is connected with said noise barrier.
In another preference, said concrete block enclosure wall comprises steel concrete wind-resistant column, concrete beam and the concrete hollow block clear water infilled wall between said wind-resistant column and concrete beam.
In another preference, described sound absorption tube is the column type sound absorber, and filling sucting sound material in the cavity, and the upward subsidiary grooved steel plate of said sound absorption tube adopt bolt on noise barrier.
In another preference, described sound barrier has the louvered panel that drenches with rain, in fill out sound absorption material.
In another preference, the notch of establishing indent is stayed in the shaft both sides of described wind-resistant column, and said notch is to be used to embed the also notch of fixing concrete building-block; And said wind resistance capital is provided with the stone bolt of embedding, and the steel column of said top noise barrier is fixed in the enclosure wall bottom through said stone bolt.
In another preference, said wind-resistant column is the rectangle reinforced concrete post, and wind-resistant column is circular chamfering for four jiaos, and the spacing of said wind-resistant column is 3-8m, preferably is 4-5m.
In another preference, said steel work noise barrier height is 2.5-6m.
In another preference, the high 4-6 rice in described enclosure wall bottom, the high 3-6 rice in said enclosure wall top, and said enclosure wall height is a 8-12 rice.
Second aspect at the utility model; A kind of denoising structure of direct current extra-high voltage current conversion station is provided; Wherein, comprise the current conversion station equipment of direct current extra-high voltage, and around described current conversion station equipment like each described Assembled surrounding wall in the utility model first aspect.
The main beneficial effect of the utility model comprises:
1, the utility model enclosure wall height integral body is 8-12 rice, and is provided with noise barrier, can be high in the DC equipment electric pressure, satisfy the requirement up to standard of factory's circle noise under the more situation of noise source.
2, the wind-resistant column of the utility model enclosure wall bottom adopts reinforced concrete post, can increase the steadiness of enclosure wall, makes enclosure wall can not cave in easily because of excessive height.
3, the clear water enclosure wall is adopted in the utility model enclosure wall bottom, does not have cement mortar floated coat and the coating spary of conventional brick enclosure wall, and both compliance with environmental protection requirements has been stopped the crack common fault of conventional enclosure wall floated coat, minimizing later maintenance expense again.
In it should be understood that in the utility model scope, above-mentioned each technical characterictic of the utility model and hereinafter can mutual combination between specifically described each technical characterictic in (like embodiment), thus constitute new or optimized technical scheme.As space is limited, this tired no longer one by one stating.
Description of drawings
Fig. 1 is the sketch map of an Assembled surrounding wall instance of the utility model;
Fig. 2 is the sketch map of another Assembled surrounding wall instance of the utility model.
The specific embodiment
Below will combine accompanying drawing that the preferred embodiment of the utility model is elaborated, understand the above-mentioned of the utility model and other purpose, characteristics and advantage so that more know.To the description of preferred embodiment only is the scheme of understanding the utility model for clear, and to should not be construed as be the restriction to the utility model scope.
Term
As used herein, term " extra-high voltage direct-current transmission " refers at least ± direct current transportation of 600kV, for example ± 800kV, ± the 1000kV direct current transportation.
Assembled surrounding wall
Fig. 1 illustrates the Assembled surrounding wall (high about 8m) of the utility model one instance.As shown in Figure 1, this Assembled surrounding wall comprises bottom concrete block enclosure wall 1 and top noise barrier 2.Noise barrier 2 is made up of the steel column 4 of the girder steel 3 of horizontal expansion, longitudinal extension, the sound barrier 5 and the sound absorption tube 6 at top that are arranged between girder steel and the steel column.
Sound absorption tube diameter is 0.5m, and the girder steel spacing is 2.5m, and the steel column spacing is 2.5m.Concrete block enclosure wall 1 is made up of steel concrete wind-resistant column 7, concrete beam 8 and concrete hollow block clear water infilled wall 9.Wind-resistant column adopts the rectangle reinforced concrete post, and infilled wall adopts the thick concrete hollow block of 240mm.Wind-resistant column is the circular chamfering of R=25mm for four jiaos, stays in the middle of the shaft and establishes the indent notch that 250mm is wide, 18mm is dark.The concrete case bay is 2.5m, and the wind-resistant column spacing is 2 times of steel column spacing in the noise barrier of top.Said wind resistance capital embedding stone bolt 10 is connected with the steel column of steel superstructure noise barrier.
Fig. 2 illustrates the Assembled surrounding wall (high about 10m) of another instance of the utility model.As shown in Figure 2, this Assembled surrounding wall comprises bottom concrete block enclosure wall 1 and top noise barrier 2.Noise barrier 2 is made up of the steel column 4 of the girder steel 3 of horizontal expansion, longitudinal extension, the sound barrier 5 and the sound absorption tube 6 at top that are arranged between girder steel and the steel column.
Sound absorption tube diameter is 0.5m, the spacing average out to 2.25m of girder steel, steel column spacing 2m.Concrete block enclosure wall 1 is made up of steel concrete wind-resistant column 7, concrete beam 8 and concrete hollow block clear water infilled wall 9.Wind-resistant column adopts the rectangle reinforced concrete post, and infilled wall adopts the thick concrete hollow block of 240mm.Wind-resistant column is the circular chamfering of R=25mm for four jiaos, stays in the middle of the shaft and establishes the indent notch that 250mm is wide, 18mm is dark.The concrete case bay is 2.5m, and the wind-resistant column spacing is 2 times of steel column spacing in the noise barrier of top.Said wind resistance capital embedding stone bolt 10 is connected with the steel column of steel superstructure noise barrier.Because the Assembled surrounding wall whole height is higher in the present embodiment, so the steel column spacing on the wind-resistant column of enclosure wall bottom and enclosure wall top is all more intensive, thereby has increased the steadiness of enclosure wall.
Sound barrier
Applicable to the not special restriction of the sound barrier of the utility model.Can adopt the conventional sound barrier in this area.A kind of preferred sound barrier is the about 100-300mm of thickness (preferably 120-200mm) sound barrier, but the centre filling sucting sound material.
A kind of preferred especially sound barrier is following: sound barrier thickness 150mm, backboard 2mm galvanized sheet, skeleton 1.2mm galvanized sheet folds, the louvered panel that drenches with rain, in fill out the centrifugally glass-wool of alkali-free hydrophobic glass cloth parcel.
The sound absorption tube
Assembled surrounding wall of the present invention can be provided with or not be provided with the sound absorption tube.Preferably, Assembled surrounding wall of the present invention is provided with the sound absorption tube.
The sound absorption tube is fixed in the not special restriction of mode of Assembled surrounding wall of the present invention.A kind of optimal way is following: can adopt subsidiary grooved steel plate on the sound absorption tube, adopt bolt on noise barrier.
Applicable to the not special restriction of the sound absorption tube of the utility model.A kind of preferred sound absorption tube is the column type sound absorber.Its diameter 300-1000mm is generally internal diameter 200-800mm.
The panel of sound absorption tube can adopt conventional material, and the not special restriction of for example zinc-plated perforated plate, the bore dia of perforation is generally 2-5mm (like 3mm), and perforated percentage is generally 15-40% (preferably 20-30%, as 23%).
The inner panel of sound absorption tube can adopt conventional material, like the about 0.5-2mm galvanized sheet of thickness.
In the cavity of sound absorption tube, fill the sound absorption material of certain thickness (like 50-150mm).Representational sound absorption material comprises (but being not limited to): with the centrifugally glass-wool of alkali-free hydrophobic glass cloth parcel.
A kind of preferred especially sound absorption tube is as follows: diameter 500mm, and internal diameter 350mm, panel adopt zinc-plated perforated plate, bore dia 3mm, perforated percentage is 23%, and inner panel is the 1mm galvanized sheet, and it is thick to fill 75mm in the cavity, the centrifugally glass-wool that wraps up with alkali-free hydrophobic glass cloth.The sound absorption tube is gone up subsidiary grooved steel plate, adopts bolt on noise barrier.
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.
Embodiment 1
A certain test ± construction of 800kV direct current extra-high voltage current conversion station in, adopt the Assembled surrounding wall of structure shown in Figure 2.Wherein, according to full station noise result of calculation, the enclosure wall lower height is 5m.In addition, adopt the high steel work noise barrier of 5m on enclosure wall top.
Test result shows; Excellent noise reduction effect not only; Make factory's circle noise satisfy " factory circle of industrial enterprise ambient noise displacement noise standard " (GB 12348-2008) II class standard limit value, promptly between daytime less than 60dB (A), night is less than 50dB (A); And because wind-resistant column adopts reinforced concrete post, so the enclosure wall steadiness is fine.
In addition, because the clear water enclosure wall is adopted in the enclosure wall bottom, do not have cement mortar floated coat and the coating spary of conventional brick enclosure wall, both compliance with environmental protection requirements has been stopped the crack common fault of conventional enclosure wall floated coat, minimizing later maintenance expense again.
Below the preferred embodiment of the utility model is specified, implement row but the utility model is not limited to these.It should be understood that after having read the above-mentioned teachings of the utility model, those skilled in the art can do various changes or modification to the utility model, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (10)
1. the Assembled surrounding wall of a direct current extra-high voltage current conversion station is characterized in that, said enclosure wall comprises enclosure wall bottom and enclosure wall top, wherein,
Described enclosure wall bottom is the concrete block enclosure wall,
Said enclosure wall top is noise barrier, and said noise barrier comprises steel column, girder steel and is fixed in the sound barrier between said steel column and the girder steel.
2. Assembled surrounding wall according to claim 1 is characterized in that, said enclosure wall also comprises the sound absorption tube that is positioned at said noise barrier top, is connected with said noise barrier.
3. Assembled surrounding wall according to claim 1 is characterized in that, said concrete block enclosure wall comprises steel concrete wind-resistant column, concrete beam and the concrete hollow block clear water infilled wall between said wind-resistant column and concrete beam.
4. Assembled surrounding wall according to claim 2 is characterized in that, described sound absorption tube is the column type sound absorber, and filling sucting sound material in the cavity, and the upward subsidiary grooved steel plate of said sound absorption tube adopt bolt on noise barrier.
5. according to claim 3 or 4 described Assembled surrounding walls, it is characterized in that described sound barrier has the louvered panel that drenches with rain, in fill out sound absorption material.
6. Assembled surrounding wall according to claim 3 is characterized in that, the notch of establishing indent is stayed in the shaft both sides of described wind-resistant column, and said notch is to be used to embed the also notch of fixing concrete building-block; And said wind resistance capital is provided with the stone bolt of embedding, and the steel column of said top noise barrier is fixed in the enclosure wall bottom through said stone bolt.
7. Assembled surrounding wall according to claim 3 is characterized in that, said wind-resistant column is the rectangle reinforced concrete post, and wind-resistant column is circular chamfering for four jiaos, and the spacing of said wind-resistant column is 3-8m.
8. Assembled surrounding wall according to claim 1 is characterized in that, said steel work noise barrier height is 2.5-6m.
9. Assembled surrounding wall according to claim 1 is characterized in that, the high 4-6 rice in described enclosure wall bottom, and the high 3-6 rice in said enclosure wall top, and said enclosure wall height is a 8-12 rice.
10. the denoising structure of a direct current extra-high voltage current conversion station is characterized in that, comprises the current conversion station equipment of direct current extra-high voltage, and around described current conversion station equipment like each described Assembled surrounding wall among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120392619 CN202359874U (en) | 2011-10-14 | 2011-10-14 | Combined enclosing wall and de-noising structure of direct-current extra-high voltage convertor station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120392619 CN202359874U (en) | 2011-10-14 | 2011-10-14 | Combined enclosing wall and de-noising structure of direct-current extra-high voltage convertor station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202359874U true CN202359874U (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120392619 Expired - Lifetime CN202359874U (en) | 2011-10-14 | 2011-10-14 | Combined enclosing wall and de-noising structure of direct-current extra-high voltage convertor station |
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| Country | Link |
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| CN (1) | CN202359874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639632A (en) * | 2016-12-13 | 2017-05-10 | 国网天津市电力公司 | Transformer substation enclosing wall sound insulation device |
-
2011
- 2011-10-14 CN CN 201120392619 patent/CN202359874U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639632A (en) * | 2016-12-13 | 2017-05-10 | 国网天津市电力公司 | Transformer substation enclosing wall sound insulation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER ENGINEERING CONSULTING GROUP CO., LTD. Free format text: FORMER NAME: CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100120 Beijing city Xicheng District No. 65 Andrew Patentee after: CHINA POWER ENGINEERING CONSULTING (GROUP) CORPORATION Patentee after: Co., Ltd of Huabei Power Design Inst., China Power Engineering Consulting Group Patentee after: Co., Ltd of Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Patentee after: China Power Engineering Consulting Group Southwest Electric Power Design Institute Co., Ltd. Address before: 100120 Beijing city Xicheng District No. 65 Andrew Patentee before: China Power Engineering Consulting Group Corporation Patentee before: Huabei Power Design Inst., China Power Engineering Consulting Group Patentee before: Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Cor Patentee before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee before: Southwest Electric Power Design Institute of China Power Engineering Consulting Group Corporation |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |