CN219841238U - Novel excavation-free flaw detection water supply and drainage pipeline for photovoltaic area - Google Patents
Novel excavation-free flaw detection water supply and drainage pipeline for photovoltaic area Download PDFInfo
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- CN219841238U CN219841238U CN202121545860.5U CN202121545860U CN219841238U CN 219841238 U CN219841238 U CN 219841238U CN 202121545860 U CN202121545860 U CN 202121545860U CN 219841238 U CN219841238 U CN 219841238U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims abstract description 29
- 238000004321 preservation Methods 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 15
- 239000010935 stainless steel Substances 0.000 claims abstract description 15
- 239000004698 Polyethylene Substances 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 6
- -1 polyethylene Polymers 0.000 claims abstract description 6
- 229920000573 polyethylene Polymers 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 239000006260 foam Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 230000007797 corrosion Effects 0.000 abstract description 8
- 239000002689 soil Substances 0.000 abstract description 7
- 238000009412 basement excavation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model relates to a novel excavation-free flaw detection water supply and drainage pipeline for a photovoltaic area, which is characterized by comprising a pipeline stainless steel main body, an inner wall anti-corrosion layer, an insulation layer, an outer wall anti-corrosion layer and metal wires, wherein the inner wall of the pipeline stainless steel main body is provided with the inner wall anti-corrosion layer, the outer wall of the pipeline stainless steel main body is provided with the insulation layer, the metal wires are embedded on the outer wall, and the outer wall of the insulation layer is coated with the anti-corrosion layer. The main body of the pipeline is a stainless steel pipe, has certain corrosion resistance, and is internally provided with a galvanized corrosion-resistant layer, so that corrosion generated after the inside of the pipeline is contacted with water is avoided. The metal wires are embedded into the outer wall of the metal pipe, and the metal pipe is laid out of the ground, so that the pipeline flaw detection can be carried out without excavation. The heat preservation layer is added on the outer wall of the pipeline, so that the pipeline is prevented from being frozen or frozen in a cold environment. The polyethylene anti-corrosion layer is additionally arranged on the outer wall of the heat preservation layer, so that the external water body is prevented from being immersed in the heat preservation layer and the soil of the shouting acid and alkali is prevented from being damaged. The protection measures of the pipeline in construction can be omitted, the construction period and the pipe maintenance period are shortened, and meanwhile, the water use safety is ensured.
Description
Technical Field
The utility model relates to a novel excavation-free flaw detection water supply and drainage pipeline for a photovoltaic area, and belongs to the technical field of pipelines in photovoltaic areas.
Background
Photovoltaic power generation is a renewable energy source widely used at present. Because the project construction points of photovoltaic power generation are mostly areas with high altitude, cold and strong corrosiveness of soil, the most commonly encountered problems in the laying of water supply and drainage pipelines in the areas are problems of corrosion, frost cracking and the like of the pipelines, and therefore, the requirements on the performance of buried pipes are high.
The water supply and drainage pipelines commonly used at present are spheroidal graphite cast iron pipes, stainless steel pipes, PVC pipes, PE pipes, steel-plastic composite pipes and the like, and the pipeline burial depth is required as follows: the pipe diameter a is greater than or equal to DN100 to DN300 (containing DN 300), the net covering soil on the pipe top is greater than or equal to 800mm, the special section can be determined on site, but the minimum covering soil is not less than 600mm; and the pipe diameter b is smaller than DN100, the upward earthing of the pipe top on the green belt or the sidewalk is equal to or greater than 400mm, and the elevation of the joint of the new and old pipelines is based on the elevation of the original water supply pipe. If the local part cannot be met, corresponding protection measures are adopted according to the specific condition of the site; and c, covering the top of the pipe with soil, which is smaller than the design requirement, and adopting protective measures such as encapsulation and the like. Such pipelines and buried requirements are applicable to areas where geological environments are better. Pipeline protection measures are needed in special areas. The geological environment of the photovoltaic area is relatively poor, so that the construction steps of water supply and drainage pipelines in the area are complicated, the pipeline protection measures are more, and a large number of construction procedures are required to be added.
Disclosure of Invention
The utility model provides a novel excavation-free flaw detection water supply and drainage pipeline for a photovoltaic area, and aims to overcome the defects of complicated construction steps, long construction period and the like in the field of the existing photovoltaic area water supply and drainage pipeline, combine metal and plastic for the first time, improve the corrosion resistance, freezing resistance and the like of the pipeline, increase excavation-free flaw detection measures, simplify pipeline burying requirements, cancel pipeline protection measures and save construction and maintenance periods.
The technical solution of the utility model is as follows:
a novel exempt from to excavate water supply and drainage pipeline that detects a flaw for photovoltaic district, including pipeline stainless steel main part 1, inner wall anticorrosive coating 2, heat preservation 3, outer wall anticorrosive coating 4 and wire 5, pipeline stainless steel main part 1 inner wall is equipped with inner wall anticorrosive coating 2, and pipeline stainless steel main part 1 outer wall is equipped with heat preservation 3, has inlayed wire 5 on the outer wall, and heat preservation 3 outer wall cladding has anticorrosive coating 4.
The anticorrosive coating 2 is a galvanized anticorrosive coating, and the thickness is more than or equal to 2mm.
The heat preservation layer 3 is a polyurethane hard foam heat preservation layer.
The anticorrosive coating 4 is a polyethylene anticorrosive coating with the thickness of more than or equal to 5mm.
The metal wires extend out of the pipeline every 2m and extend out of the ground by 0.1m when buried.
The utility model has the beneficial effects that:
the novel water supply and drainage pipeline for the photovoltaic area is a novel pipe which is designed on the basis of a metal pipeline and under the background of considering corrosion resistance, low temperature resistance and simplified construction. The pipeline main body is a stainless steel pipe, has corrosion resistance, is internally provided with a galvanized anti-corrosion layer, and avoids corrosion generated after the inside of the pipeline is contacted with water. The metal wires are embedded into the outer wall of the metal pipe, and the metal pipe is laid out of the ground, so that the pipeline flaw detection can be carried out without excavation. The heat preservation layer is added on the outer wall of the pipeline, so that the pipeline is prevented from being frozen or frozen in a cold environment. The polyethylene anti-corrosion layer is additionally arranged on the outer wall of the heat preservation layer, so that the external water body is prevented from immersing in the heat preservation layer, and meanwhile, the soil which shoutes acid and alkali is prevented from being damaged on the pipeline. The novel water supply and drainage pipeline can omit the protection measures of the pipeline in construction, shorten the construction period and the pipe maintenance period, and simultaneously ensure the water use safety.
Drawings
FIG. 1 is a schematic plan view of a non-excavation flaw detection water supply and drainage pipeline.
FIG. 2 is a schematic cross-sectional view of a non-excavation flaw detection water supply and drainage pipeline.
In the attached drawings, 1 is a pipeline main body, 2 is an anti-corrosion layer, 3 is an insulation layer, 4 is an anti-corrosion layer and 5 is a metal wire.
Detailed Description
The technical scheme of the utility model is further explained below with reference to the accompanying drawings.
Referring to fig. 1-2, a novel water supply and drainage pipeline for a photovoltaic area is a stainless steel pipe, and the structure comprises a pipeline stainless steel main body 1, an anti-corrosion layer 2 arranged on the inner wall of the pipeline main body 1, an attached heat preservation layer 3 arranged on the outer wall of the pipeline main body 1, an anti-corrosion layer 4 coated on the outer wall of the heat preservation layer 3 and an embedded metal wire 5 arranged on the outer wall of the pipeline main body 1. The inner wall of the anti-corrosion layer 2 is galvanized anti-corrosion layer, and the thickness of the galvanized anti-corrosion layer 2 is at least 2mm. The heat preservation layer 3 is made of polyurethane hard foam. The anti-corrosion layer 4 is polyethylene and the thickness of the outer wall is at least 5mm. The metal wires extend out of the pipeline every 2m and extend out of the ground by 0.1m when buried.
A novel water supply and drainage pipeline for photovoltaic district is complicated relatively, can prevent the influence of residual chlorine in the water to the corruption of pipeline and outside extreme environment to the pipeline simultaneously, utilizes professional equipment to carry out pipeline flaw detection under the condition that the pipeline does not excavate, accurate discovery damaged pipeline position. In the areas with poor geological conditions and strong soil shouting acid and alkali or cold, the pipeline can be effectively protected, meanwhile, the protection measures of the pipeline in construction are omitted, the construction period and the later-period pipeline maintenance period are shortened, and meanwhile, the water use safety is guaranteed.
Example 1
A novel water supply and drainage pipeline for photovoltaic district is nonrust steel pipe, and this structure includes pipeline stainless steel main part 1, anticorrosive coating 2 that pipeline main part 1 inner wall set up, the attached heat preservation 3 of pipeline main part 1 outer wall, anticorrosive coating 4 of heat preservation 3 outer wall cladding and the embedded wire 5 of pipeline main part 1 outer wall. The inner wall of the anti-corrosion layer 2 is a galvanized anti-corrosion layer with the thickness of 2.75mm. The heat preservation layer 3 is made of polyurethane hard foam. The anticorrosive layer 4 is polyethylene and the thickness of the outer wall is 6.25mm. The wires extend out of the pipeline every 2.8m and extend out of the ground by 0.13m when buried.
Claims (5)
1. A novel exempt from to excavate and detect a flaw drainage pipe for photovoltaic district, characterized by includes pipeline stainless steel main part (1), inner wall anticorrosive coating (2), heat preservation (3), outer wall anticorrosive coating (4) and wire (5), pipeline stainless steel main part (1) inner wall is equipped with inner wall anticorrosive coating (2), pipeline stainless steel main part (1) outer wall is equipped with heat preservation (3), has inlayed wire (5) on the outer wall, heat preservation (3) outer wall cladding has anticorrosive coating (4).
2. The novel excavation-free flaw detection water supply and drainage pipeline for a photovoltaic area, which is disclosed in claim 1, is characterized in that the inner wall anti-corrosion layer (2) is a galvanized anti-corrosion layer, and the thickness is more than or equal to 2mm.
3. The novel excavation-free flaw detection water supply and drainage pipeline for the photovoltaic area, which is disclosed in claim 1, is characterized in that the heat insulation layer (3) is a polyurethane hard foam heat insulation layer.
4. The novel excavation-free flaw detection water supply and drainage pipeline for the photovoltaic area, which is disclosed in claim 1, is characterized in that the outer wall anti-corrosion layer (4) is a polyethylene anti-corrosion layer with the thickness of more than or equal to 5mm.
5. The novel excavation-free flaw detection water supply and drainage pipeline for a photovoltaic area according to claim 1, wherein the metal wires (5) extend out of the pipeline every 2m and extend out of the ground by 0.1m when buried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121545860.5U CN219841238U (en) | 2021-07-08 | 2021-07-08 | Novel excavation-free flaw detection water supply and drainage pipeline for photovoltaic area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121545860.5U CN219841238U (en) | 2021-07-08 | 2021-07-08 | Novel excavation-free flaw detection water supply and drainage pipeline for photovoltaic area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219841238U true CN219841238U (en) | 2023-10-17 |
Family
ID=88300031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121545860.5U Active CN219841238U (en) | 2021-07-08 | 2021-07-08 | Novel excavation-free flaw detection water supply and drainage pipeline for photovoltaic area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219841238U (en) |
-
2021
- 2021-07-08 CN CN202121545860.5U patent/CN219841238U/en active Active
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