CN104089103A - Circulating water pipe lined with glass steel pipe and glass steel pipe lined method thereof - Google Patents
Circulating water pipe lined with glass steel pipe and glass steel pipe lined method thereof Download PDFInfo
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- CN104089103A CN104089103A CN201410291764.0A CN201410291764A CN104089103A CN 104089103 A CN104089103 A CN 104089103A CN 201410291764 A CN201410291764 A CN 201410291764A CN 104089103 A CN104089103 A CN 104089103A
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- Prior art keywords
- circulating water
- glass steel
- lined
- water pipeline
- steel tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
Abstract
The invention discloses a circulating water pipe lined with a glass steel pipe. The circulating water pipe lined comprises an original circulating water pipe and the glass steel pipe; the original circulating water pipe sleeves the glass steel pipe; cement mortar is arranged between the glass steel pipe and the original circulating water pipe. The invention also discloses a glass steel pipe lined method of the circulating water pipe lined with the glass steel pipe. The glass steel pipe lined method comprises performing partial excavation, placing the glass steel pipe and grouting the cement mortar to enable the glass steel pipe and the original circulating water pipe to be bonded into a whole. According to the circulating water pipe lined with the glass steel pipe, the resistance to the external pressure of the pipe is improved and the cost of the liner pipe is greatly reduced. According to the glass steel pipe lined method of the circulating water pipe lined with the glass steel pipe, the upper local shallow excavation or the lateral local half excavation is adopted and accordingly the earthwork excavation and backfilling working amount is small, the construction period is short, the cost is less, and the glass steel pipe lined method is quite suitable for reconstruction of old circulating water pipes of operated power plants.
Description
Technical field
The present invention relates to power plant's pipeline modification technical field, relate in particular to and be a kind ofly lined with the circulating water pipeline of Glass Steel Tube and be lining into Glass Steel Tube method.
Background technique
Electric power plant circulating water pipeline, adopts concrete pipe or steel pipe in a large number, and due to concrete pipe internal pressure-resistant ability, the corrosion resistance of steel pipe is poor, especially uses after a period of time, and booster easily occurs concrete pipe; Steel pipe is easily corroded, and seepage occurs, and has a strong impact on the normal operation of power plant.
As change concrete pipe or steel pipe, the bore that the new concrete pipe of changing or steel pipe bore can not be less than former concrete pipe or steel pipe, needs to adopt the method for construction of excavating operation.
The circulating pipe of power plant adopts twin pipeline to arrange conventionally, article two, pipeline can not be transformed replacing simultaneously, when wherein a pipeline is changed, need to guarantee another pipeline safety operation, in addition, between two pipelines, spacing is little, there is the place of much passing through road, if take the method for construction of excavation, by causing normal operation pipeline soil disturbance, landslide around, cause moving collapsing of pipeline.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of effect of both former concrete pipe or steel pipe having been played reinforcing is provided, can effectively prevent again the fiber reinforced plastic pipe play being lining into, improved the circulating water pipeline that is lined with Glass Steel Tube of the critical external compressive resistance ability of pipeline, and local half excavation of a kind of employing local shallow excavation in top or side, earth excavation, backfilling working amount are little, short construction period, the Glass Steel Tube method that is lining into of the circulating water pipeline that is lined with Glass Steel Tube that expense is few.
The technical solution adopted for the present invention to solve the technical problems is:
The invention provides a kind of circulating water pipeline that is lined with Glass Steel Tube, comprise former circulating water pipeline and be lining into the fiber reinforced plastic pipe in it, between described fiber reinforced plastic pipe and described former circulating water pipeline, by slush, fill.
As a kind of improvement to technological scheme of the present invention, on the outer wall of described fiber reinforced plastic pipe, there is track and contact with described former circulating water pipeline inwall.
As a kind of improvement to technological scheme of the present invention, described former circulating water pipeline is concrete duct or steel pipe.
The present invention also provides a kind of Glass Steel Tube method that is lining into that is lined with the circulating water pipeline of Glass Steel Tube, comprises step: a) between two former circulating water pipelines of local excavation's part, squeeze into steel pipe pile and steel plate, isolate two pipelines;
B) local half excavation in local shallow excavation or side above the former circulating water pipeline of part, puts into former circulating water pipeline by the fiber reinforced plastic pipe being lining into;
C) cement injection mortar between the described fiber reinforced plastic pipe being lining into and described former circulating water pipeline, becomes an integral body by the described fiber reinforced plastic pipe being lining into and described former circulating water pipeline are bonding.
As a kind of improvement to technological scheme of the present invention, the described fiber reinforced plastic pipe being lining into is assembled in the inner orbital method that adopts of described former circulating water pipeline.
As a kind of improvement to technological scheme of the present invention, the described fiber reinforced plastic pipe being lining into adopts two "O"-ring socket joints to connect.
As a kind of improvement to technological scheme of the present invention, the hydrostatic test is carried out between two "O"-rings of described pair of "O"-ring socket joint.
As a kind of improvement to technological scheme of the present invention, the direction of the inside water pressure water filling hole of the described hydrostatic test is inside, shown in inside water pressure water filling hole between two described "O"-rings.
Therefore, the circulating water pipeline that is lined with Glass Steel Tube provided by the invention, both former concrete pipe or steel pipe had been played the effect of reinforcing, can effectively prevent again the fiber reinforced plastic pipe play being lining into, improved the critical external compressive resistance ability of pipeline, the good feature of fiber reinforced plastic pipe internal pressure-resistant that can give full play to the remaining critical external compressive resistance advantage of former concrete pipe or steel pipe and be lining into, because the Glass Steel Tube being lining into only bears interior pressure, can significantly reduce the cost of bushing pipe, the Glass Steel Tube method that is lining into that is lined with the circulating water pipeline of Glass Steel Tube provided by the invention, adopt local half excavation in the local shallow excavation in top or side, earth excavation, backfilling working amount is little, short construction period, expense is few, between pipeline, squeeze into steel pipe pile and steel plate, can effectively prevent from normally moving soil landslide around of pipeline, collapse, the assembling of employing orbital method, can guarantee pipeline concentricity effectively, connects quick, time saving and energy saving, meanwhile, be applicable to very much having runed the old circulating water pipeline transformation of generating power plant.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the circulating water pipeline structural representation that is lined with Glass Steel Tube of the present invention;
Fig. 2 is the Glass Steel Tube method that the is lining into top local excavation schematic diagram that is lined with the circulating water pipeline of Glass Steel Tube of the present invention;
Fig. 3 is the Glass Steel Tube method that the is lining into side local excavation schematic diagram that is lined with the circulating water pipeline of Glass Steel Tube of the present invention;
Fig. 4 is the inside water pressure test schematic diagram of the Glass Steel Tube method that is lining into of the circulating water pipeline that is lined with Glass Steel Tube of the present invention;
Now that the label declaration in accompanying drawing is as follows: 10 is fiber reinforced plastic pipe, 20 is slush, and 30 is track, and 40 is former circulating water pipeline, and 60 is inside water pressure water filling hole, and 61 is "O"-ring, and 70 is steel plate, and 80 is steel pipe pile.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In preferred embodiment of the present invention, as shown in Figure 1, the circulating water pipeline that is lined with Glass Steel Tube of the specific embodiment of the invention, comprise former circulating water pipeline 40 and be lining into the fiber reinforced plastic pipe 10 in it, between fiber reinforced plastic pipe 10 and former circulating water pipeline 40, by slush 20, fill, on the outer wall of fiber reinforced plastic pipe 10, having track 30 contacts with former circulating water pipeline 40 inwalls, former circulating water pipeline 40 is concrete duct or steel pipe, both former concrete pipe or steel pipe had been played the effect of reinforcing, can effectively prevent again the fiber reinforced plastic pipe play being lining into, improved the critical external compressive resistance ability of pipeline.Internal pressure-resistant, corrosion protection, leakage proof, provide smooth hydraulic performance to be born by the fiber reinforced plastic pipe 10 being lining into, the integral body after critical external compressive resistance becomes by former concrete pipe or steel pipe and the fiber reinforced plastic pipe being lining into are bonding is born.
As shown in Figure 2, the Glass Steel Tube method that is lining into of the circulating water pipeline that is lined with Glass Steel Tube of the specific embodiment of the invention, comprise step: a) between two former circulating water pipelines 40 of local excavation's part, squeeze into steel pipe pile 80 and steel plate 70, isolate two pipelines, can effectively prevent from normally moving soil landslide around of pipeline, collapse, assemble the inside that is assembled in that is lining into fiber reinforced plastic pipe, does not affect the normal use of adjacent another pipeline;
B) local shallow excavation above the former circulating water pipeline 40 of part, puts into former circulating water pipeline 40 by the fiber reinforced plastic pipe being lining into 10;
C), at the fiber reinforced plastic pipe 10 being lining into and 40 cement injection mortars of former circulating water pipeline, become an integral body by the fiber reinforced plastic pipe being lining into 10 and former circulating water pipeline 40 are bonding.
As shown in Figure 3, the Glass Steel Tube method that is lining into of the circulating water pipeline that is lined with Glass Steel Tube of the specific embodiment of the invention adopts local half excavation in side, and other steps are identical with above-mentioned steps.
The Glass Steel Tube method that is lining into that is lined with the circulating water pipeline of Glass Steel Tube of the present invention, the fiber reinforced plastic pipe 10 being lining into is assembled in the inner orbital method that adopts of 40 former circulating water pipelines, can effectively guarantee pipeline concentricity, connects quick, time saving and energy saving.
As shown in Figure 4, the Glass Steel Tube method that is lining into that is lined with the circulating water pipeline of Glass Steel Tube of the present invention, the fiber reinforced plastic pipe 10 being lining into adopts two "O"-ring socket joints to connect, the hydrostatic test is carried out between two "O"-rings 61 of two "O"-ring socket joints, the direction of the inside water pressure water filling hole 60 of the hydrostatic test is inside, inside water pressure water filling hole 60, between two "O"-rings 61, has pressure testing advantage easily.
The circulating water pipeline that is lined with Glass Steel Tube provided by the invention, improved the critical external compressive resistance ability of pipeline, significantly reduce the cost of bushing pipe, meanwhile, the Glass Steel Tube method that is lining into that is lined with the circulating water pipeline of Glass Steel Tube provided by the invention, adopts local half excavation in the local shallow excavation in top or side, earth excavation, backfilling working amount are little, short construction period, expense is few, is applicable to very much having runed the old circulating water pipeline transformation of generating power plant.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (8)
1. a circulating water pipeline that is lined with Glass Steel Tube, is characterized in that, comprises former circulating water pipeline and cover fiber reinforced plastic pipe within it, between described fiber reinforced plastic pipe and described former circulating water pipeline, by slush, fills.
2. the circulating water pipeline that is lined with Glass Steel Tube according to claim 1, is characterized in that, has track and contact with described former circulating water pipeline inwall on the outer wall of described fiber reinforced plastic pipe.
3. the circulating water pipeline that is lined with Glass Steel Tube according to claim 1, is characterized in that, described former circulating water pipeline is concrete duct or steel pipe.
4. the Glass Steel Tube method that is lining into that is lined with the circulating water pipeline of Glass Steel Tube according to claim 1, is characterized in that, comprises step: a) between two former circulating water pipelines of local excavation's part, squeeze into steel pipe pile and steel plate, isolate two pipelines;
B) local half excavation in local shallow excavation or side above the former circulating water pipeline of part, puts into former circulating water pipeline by the fiber reinforced plastic pipe being lining into;
C) cement injection mortar between the described fiber reinforced plastic pipe being lining into and described former circulating water pipeline, becomes an integral body by the described fiber reinforced plastic pipe being lining into and described former circulating water pipeline are bonding.
5. the Glass Steel Tube method that is lining into that is lined with the circulating water pipeline of Glass Steel Tube according to claim 4, is characterized in that, the described fiber reinforced plastic pipe being lining into is assembled in the inner orbital method that adopts of described former circulating water pipeline.
6. the Glass Steel Tube method that is lining into that is lined with the circulating water pipeline of Glass Steel Tube according to claim 4, is characterized in that, the described fiber reinforced plastic pipe being lining into adopts two "O"-ring socket joints to connect.
7. the Glass Steel Tube method that is lining into that is lined with the circulating water pipeline of Glass Steel Tube according to claim 6, is characterized in that, the hydrostatic test is carried out between two "O"-rings of described pair of "O"-ring socket joint.
8. the Glass Steel Tube method that is lining into that is lined with the circulating water pipeline of Glass Steel Tube according to claim 7, is characterized in that, the direction of the inside water pressure water filling hole of the described hydrostatic test is inside, shown in inside water pressure water filling hole between two described "O"-rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291764.0A CN104089103B (en) | 2014-06-26 | 2014-06-26 | Glass steel pipe lining method of circulating water pipe lined with glass steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291764.0A CN104089103B (en) | 2014-06-26 | 2014-06-26 | Glass steel pipe lining method of circulating water pipe lined with glass steel pipe |
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| CN104089103A true CN104089103A (en) | 2014-10-08 |
| CN104089103B CN104089103B (en) | 2017-01-25 |
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| CN201410291764.0A Active CN104089103B (en) | 2014-06-26 | 2014-06-26 | Glass steel pipe lining method of circulating water pipe lined with glass steel pipe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329525A (en) * | 2014-11-08 | 2015-02-04 | 湖南潇湘源科技开发有限责任公司 | Glass fiber reinforced plastics pipeline sealing sleeve connector and a machining method thereof |
| CN107870129A (en) * | 2017-12-14 | 2018-04-03 | 南京新核复合材料有限公司 | Heavy-caliber fiber reinforced plastic pipe jacket type water test unit |
| CN112878460A (en) * | 2021-03-26 | 2021-06-01 | 中铁二十三局集团第四工程有限公司 | Construction method for steel pipe built in reinforced concrete sleeve |
| CN113202173A (en) * | 2021-04-09 | 2021-08-03 | 中铁六局集团太原铁路建设有限公司 | Construction method for temporarily replacing cross-foundation-pit concrete pipe with steel pipe in deep foundation pit construction |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329525A (en) * | 2014-11-08 | 2015-02-04 | 湖南潇湘源科技开发有限责任公司 | Glass fiber reinforced plastics pipeline sealing sleeve connector and a machining method thereof |
| CN104329525B (en) * | 2014-11-08 | 2016-01-13 | 湖南潇湘源科技开发有限责任公司 | Fiber reinforced plastic pipe seal sleeve interface and processing method thereof |
| CN107870129A (en) * | 2017-12-14 | 2018-04-03 | 南京新核复合材料有限公司 | Heavy-caliber fiber reinforced plastic pipe jacket type water test unit |
| CN112878460A (en) * | 2021-03-26 | 2021-06-01 | 中铁二十三局集团第四工程有限公司 | Construction method for steel pipe built in reinforced concrete sleeve |
| CN113202173A (en) * | 2021-04-09 | 2021-08-03 | 中铁六局集团太原铁路建设有限公司 | Construction method for temporarily replacing cross-foundation-pit concrete pipe with steel pipe in deep foundation pit construction |
| CN113202173B (en) * | 2021-04-09 | 2023-03-10 | 中铁六局集团太原铁路建设有限公司 | Construction method for temporarily replacing cross-foundation-pit concrete pipe with steel pipe in deep foundation pit construction |
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| Publication number | Publication date |
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| CN104089103B (en) | 2017-01-25 |
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Denomination of invention: Glass steel pipe lining method of circulating water pipe lined with glass steel pipe Effective date of registration: 20200514 Granted publication date: 20170125 Pledgee: Nanjing bank Limited by Share Ltd Lishui branch Pledgor: NANJNG NEW NUCLEAR COMPOSTITES Co.,Ltd. Registration number: Y2020980002204 |