CN105062025B - Additive for stopping leakage of fiber reinforced plastic pipe under water and method for stopping leakage through same - Google Patents
Additive for stopping leakage of fiber reinforced plastic pipe under water and method for stopping leakage through same Download PDFInfo
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- CN105062025B CN105062025B CN201510521867.6A CN201510521867A CN105062025B CN 105062025 B CN105062025 B CN 105062025B CN 201510521867 A CN201510521867 A CN 201510521867A CN 105062025 B CN105062025 B CN 105062025B
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Abstract
The invention discloses an additive for stopping leakage of a fiber reinforced plastic pipe under water and a method for stopping leakage through the same. By means of the additive and the method, leakage can be stopped under water when the fiber reinforced plastic pipe suffers abnormal damage, particularly, limitations from seasons, weather, working sites and space can be overcome, leakage of the fiber reinforced plastic pipe can be rapidly and efficiently stopped on the premise of guaranteeing normal operation and use of the damaged pipe, and the phenomena that the labor cost is high and fluid materials in the pipe are wasted in a traditional leakage stopping method are reduced.
Description
Technical field
The invention belongs to GRP pipe method for maintaining technical field, be specifically related to a kind of pipeline with water leak stopping additive and the method utilizing this leak stopping additive to carry out leak stopping.
Background technology
In known technology, GRP pipe good pressure-resistant performance heat-resisting, freeze proof, wear-resisting and have from heavy and light, intensity high, the plurality of advantages such as easy transportation and installation, maintenance cost are low, it is widely used in engineering construction field, but in use often due to the construction of other underground engineering, construction of structures causes the artificial of buried GRP pipe or mechanical damage.Traditional craft leakage mending method typically use after fluid drainage in GRP pipe anhydrous, without other fluid in the case of carry out the false twist of glass fibre and polyester resin and paste, polyester resin must could solidify in dry environments otherwise can not paste mending-leakage.But the anhydrous shortcoming manually pasting craft leakage mending method is obvious: 1, water stopping time is long, and the biggest water stopping time in mouth of pipe footpath is the longest, about about 1-3 days.2, fluids within pipes discharge difficulty, indivedual local restrictions by environment and space are discharged nowhere, i.e. enable discharge and will also result in the tube fluid wasting of resources.3, in discharge process, this tubing is stopped transport substantially, brings loss largely and inconvenience to production, life.
Summary of the invention
The technical problem to be solved is for above-mentioned the deficiencies in the prior art, a kind of pipeline with water leak stopping additive is provided, and utilize the method that this leak stopping additive carries out pipeline with water, fast blockage, on the premise of ensureing the properly functioning use of broken pipe, rapidly and efficiently complete glass reinforced plastic pipe pipeline leakage stopping, decrease tradition blocking method produced by cost of labor and tube fluid waste of material.
The technical solution adopted in the present invention is: a kind of pipeline with water leak stopping additive, and it is to be made up of following component by weight ratio:
Unsaturated polyester resin, accounts for 42%-62%；Glass comminuted steel shot, accounts for 25%-35%；Calcium oxide, accounts for 13%-23%.
As preferably, it is to be made up of following component by weight ratio:
Unsaturated polyester resin, accounts for 52%；Glass comminuted steel shot, accounts for 30%；Calcium oxide, accounts for 18%.
A kind of method utilizing above-mentioned leak stopping additive to carry out pipeline with water leak stopping, it comprises the following steps:
A, scupper pretreatment: first GRP pipe scupper position is cleaned out, and scupper periphery is suitably polished；
B, prepare leak stopping additive: by above-mentioned weight proportion prepare leak stopping additive, and dry, pulverize standby；
C, function equipment resin: take appropriate amount resin according to scupper size, and in resin, it is separately added into accelerator, firming agent and coupling agent, mixing and stirring, wherein, the weight of accelerator is the 0.1%-0.5% of weight resin, the weight of firming agent is the 0.5%-2.5% of weight resin, and the weight of coupling agent is the 1%-3% of weight resin；
D, making leak stopping band: in the resin that above-mentioned step C completes, add leak stopping additive, and mixing and stirring, and the material being stirred uniformly is paved on mylar, make leak stopping band, wherein, the weight of leak stopping additive is the 90%-110% of weight resin；
E, start leak stopping: blocked at the scupper of GRP pipe by leak stopping band, firmly press and observe 3-8 minute, when occurring that material is hot and the most hardening and completes leak stopping during without drainage.
As preferably, described accelerator is cobalt iso-octoate, and described firming agent is methyl ethyl ketone peroxide, and described coupling agent is R-triethoxysilane.
As preferably, the weight of described accelerator is the 0.2% of weight resin, and the weight of described firming agent is the 1% of weight resin, and the weight of described coupling agent is the 2% of weight resin.
As preferably, this blocking method is additionally included in after blocking scupper, again polishes GRP pipe surface, and to the step reinforced at leak stopping.
The beneficial effects of the present invention is: the present invention can be in the band water in the case of GRP pipe meets with abnormal spoilage, leak stopping, especially can overcome by difficulties such as season, weather, Active workings and space are limited, on the premise of ensureing the properly functioning use of broken pipe, rapidly and efficiently complete glass reinforced plastic pipe pipeline leakage stopping, decrease tradition blocking method produced by cost of labor and tube fluid waste of material.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.
A kind of pipeline with water leak stopping additive, it is to be made up of following component by weight ratio:
Unsaturated polyester resin, accounts for 42%-62%；Glass comminuted steel shot, accounts for 25%-35%；Calcium oxide, accounts for 13%-23%.
Embodiment one: a kind of pipeline with water leak stopping additive, it is to be made up of following component by weight ratio:
Unsaturated polyester resin, accounts for 42%；Glass comminuted steel shot, accounts for 35%；Calcium oxide, accounts for 23%.
Embodiment two: a kind of pipeline with water leak stopping additive, it is to be made up of following component by weight ratio:
Unsaturated polyester resin, accounts for 62%；Glass comminuted steel shot, accounts for 25%；Calcium oxide, accounts for 13%.
Embodiment three: a kind of pipeline with water leak stopping additive, it is to be made up of following component by weight ratio:
Unsaturated polyester resin, accounts for 52%；Glass comminuted steel shot, accounts for 30%；Calcium oxide, accounts for 18%.
A kind of method utilizing above-mentioned leak stopping additive to carry out leak stopping, it comprises the following steps:
A, scupper pretreatment: first GRP pipe scupper position is cleaned out, and scupper periphery is suitably polished so that loss circulation material preferably can be fitted with tube wall；
B, prepare leak stopping additive: prepare leak stopping additive by above-mentioned weight proportion, and dry, to be ground into powder standby；
C, function equipment resin: take appropriate amount resin according to scupper size, and in resin, it is separately added into accelerator, firming agent and coupling agent, mixing and stirring, wherein, described accelerator is cobalt iso-octoate, described firming agent is methyl ethyl ketone peroxide, described coupling agent is R-triethoxysilane, the weight of accelerator is the 0.1%-0.5% of weight resin, being preferably 0.2%, the weight of firming agent is the 0.5%-2.5% of weight resin, preferably 1%, the weight of coupling agent is the 1%-3% of weight resin, preferably 2%；
D, making leak stopping band: in the resin that above-mentioned step C completes, add leak stopping additive, and mixing and stirring, and the material being stirred uniformly is paved on mylar, make leak stopping band, wherein, the weight of leak stopping additive is the 90%-110% of weight resin, mixs homogeneously stirring after resin material has made with leak stopping additive at once, mixing time controls to complete in 5 minutes, prevents that mixing time is long causes material generation gel solidification；
E, start leak stopping: blocked at the scupper of GRP pipe by leak stopping band, firmly press and observe 3-8 minute, when occurring that material is hot and the most hardening and completes leak stopping during without drainage.
It addition, after blocking scupper, is polished again in GRP pipe surface, and reinforce at leak stopping with the material such as glass mat, resin.
The loss circulation material of the present invention has the good compatibility and cementability, with the addition of the most again coupling agent, makes loss circulation material be combined more firm with frp pipe main body；Calcium oxide has good water absorption, and its moisture content in absorbing material simultaneously, is released substantial amounts of heat, can be promoted resin underwater curing, it is achieved fast blockage purpose.
The present invention can be in the band water in the case of GRP pipe meets with abnormal spoilage, leak stopping, especially can overcome by difficulties such as season, weather, Active workings and space are limited, on the premise of ensureing the properly functioning use of broken pipe, rapidly and efficiently complete glass reinforced plastic pipe pipeline leakage stopping, decrease tradition blocking method produced by cost of labor and tube fluid waste of material.
The above, only present pre-ferred embodiments, therefore the scope that the present invention implements, the equivalence change i.e. made and modification can not be limited according to scope of the present invention patent and description with this, all should still remain within the scope of the patent.
Claims (5)
1. one kind utilizes the method that pipeline with water leak stopping additive carries out leak stopping, it is characterised in that: it comprises the following steps:
A, scupper pretreatment: first GRP pipe scupper position is cleaned out, and scupper periphery is suitably polished；
B, preparation leak stopping additive: leak stopping additive is to be made up of following component by weight ratio: unsaturated polyester resin, accounts for 42%-62%；Glass comminuted steel shot, accounts for 25%-35%；Calcium oxide, accounts for 13%-23%, by above-mentioned weight proportion prepare leak stopping additive, and dry, pulverize standby；
C, function equipment resin: take appropriate amount resin according to scupper size, and in resin, it is separately added into accelerator, firming agent and coupling agent, mixing and stirring, wherein, the weight of accelerator is the 0.1%-0.5% of weight resin, the weight of firming agent is the 0.5%-2.5% of weight resin, and the weight of coupling agent is the 1%-3% of weight resin；
D, making leak stopping band: in the resin that above-mentioned step C completes, add leak stopping additive, and mixing and stirring, and the material being stirred uniformly is paved on mylar, make leak stopping band, wherein, the weight of leak stopping additive is the 90%-110% of weight resin；
E, start leak stopping: blocked at the scupper of GRP pipe by leak stopping band, firmly press and observe 3-8 minute, when occurring that material is hot and the most hardening and completes leak stopping during without drainage.
The method utilizing leak stopping additive to carry out leak stopping the most according to claim 1, it is characterised in that: it is to be made up of following component by weight ratio: unsaturated polyester resin, accounts for 52%；Glass comminuted steel shot, accounts for 30%；Calcium oxide, accounts for 18%.
The method utilizing leak stopping additive to carry out leak stopping the most according to claim 1, it is characterised in that: described accelerator is cobalt iso-octoate, and described firming agent is methyl ethyl ketone peroxide, and described coupling agent is R-triethoxysilane.
The method utilizing leak stopping additive to carry out leak stopping the most according to claim 1, it is characterised in that: weight is weight resin the 0.2% of described accelerator, the weight of described firming agent is the 1% of weight resin, and the weight of described coupling agent is the 2% of weight resin.
The method utilizing leak stopping additive to carry out leak stopping the most according to claim 1, it is characterised in that: this blocking method is additionally included in after blocking scupper, again polishes GRP pipe surface, and to the step reinforced at leak stopping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510521867.6A CN105062025B (en) | 2015-08-24 | 2015-08-24 | Additive for stopping leakage of fiber reinforced plastic pipe under water and method for stopping leakage through same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510521867.6A CN105062025B (en) | 2015-08-24 | 2015-08-24 | Additive for stopping leakage of fiber reinforced plastic pipe under water and method for stopping leakage through same |
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| Publication Number | Publication Date |
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| CN105062025A CN105062025A (en) | 2015-11-18 |
| CN105062025B true CN105062025B (en) | 2017-01-11 |
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| CN201510521867.6A Active CN105062025B (en) | 2015-08-24 | 2015-08-24 | Additive for stopping leakage of fiber reinforced plastic pipe under water and method for stopping leakage through same |
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| CN112762271A (en) * | 2019-10-21 | 2021-05-07 | 中国石油化工股份有限公司 | Method for reinforcing and repairing in-service water-permeable metal pipeline by using carbon fiber composite material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2578431Y (en) * | 2002-11-04 | 2003-10-08 | 程谟来 | GFRP thermal insulative composite board |
| CN1252362C (en) * | 2002-11-19 | 2006-04-19 | 赵朋旺 | Water-resisting, leakage-blocking and corrosion-resisting composite layer and construction technology |
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Address after: Yi Feng Lu, Quangang District of Quanzhou city in northeastern Fujian province 362800 seaside village Patentee after: Fujian Lutong pipe industry Polytron Technologies Inc Address before: Yi Feng Lu, Quangang District of Quanzhou city in northeastern Fujian province 362800 seaside village Patentee before: Quanzhou Lutong Pipeline Technology Co., Ltd. |