CN101063312A - Method for preventing freezing-bursting of waterpipe - Google Patents
Method for preventing freezing-bursting of waterpipe Download PDFInfo
- Publication number
- CN101063312A CN101063312A CN 200610050526 CN200610050526A CN101063312A CN 101063312 A CN101063312 A CN 101063312A CN 200610050526 CN200610050526 CN 200610050526 CN 200610050526 A CN200610050526 A CN 200610050526A CN 101063312 A CN101063312 A CN 101063312A
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- water pipe
- foam
- flexible foam
- nonmetal flexible
- water
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Abstract
A method that could prevent the water pipe from freezing burst, characterized in that the inner wall of the water pipe is glued with a cushion layer made by a foam rubber or foam rubber-plastic or foam soft plastic, the thickness is larger than 0. 06 times the inner diameter of the water pipe, the air bubbles formed inside the cushion layer are sealed to prevent the water from penetrate the cushion layer. The inner wall of the water pipe is glued with non metal soft foam material with a certain compressibility, to provide condition for enlarging extra space of the expanded volume when the water pipe is continuing expanding after the inner part of the water pipe is freeze.
Description
Technical field:
The present invention relates to water pipe anti-freezing and split technology.
Background technology:
Existing water pipe is in the low temperature use, in case water freezes in water pipe and continues cooling, ice will expand in water pipe, although expanding volume limited (minimum), yet, will cause the spalling of hard water pipe, even cause the spalling of high-intensity metal hard water pipe.
Existing many model ferrous metal water pipes, for the inwall corrosion in use that prevents it, on the structure within it wall adhered to (realizing) on the nonmetal anticorrosion liner of one deck (the non-toxic plastic layer of 1～3 millimeters thick) by mosaic technology.
Summary of the invention:
The present invention's purpose:
A kind of method that can effectively prevent water pipe from freezing crack is proposed.
In order to realize the present invention, intend adopting following technology:
On the inwall of water pipe, adhere to the nonmetal flexible foam of one deck, and guarantee: the inner formed bubble monomer of this nonmetal flexible foam is or is airtight basically that purpose is that liquid water can be infiltered in the bubble space of this laying inside.---above-mentioned nonmetal flexible foam have drawn from foam rubber or foam rubber and plastic or foam flexiplast, its thickness should be greater than 0.06 times of water pipe internal diameter.Above-mentioned adhering to is meant: mosaic technology by routine or spraying coating process are close to nonmetal flexible foam or are bonded on the inwall of water pipe.
Characteristics of the present invention:
Because the non-metallic layer that allows pipe inner wall adhere to is made of flexible foam, make this adhesion layer have certain compressibility, for having created condition in the water leeway, space that the back continues to provide when cooling is expanded can increase its expanding volume (anti-antipriming pipe freeze spalling) that in water pipe, freezes.
The specific embodiment:
As everyone knows: if the volume of 0 ℃ of ice is " 0.92 " in the water pipe, the volume of ice will be expanded to " 1.00 " when continuing to be cooled to-4 ℃ so, can extrapolate: when the thickness of nonmetal flexible foam layer approximates " 0.03 " times of water pipe internal diameter, the formed compressibility of nonmetal flexible foam layer is with regard to sufficient to guarantee: when 0 ℃ of ice in the water pipe continues to be cooled to-4 ℃, though the volume expansion of ice, but, can not cause the spalling phenomenon of water pipe.
This shows, be that 20 millimeters metallic water pipe is an example with internal diameter, is 0.6 millimeter nonmetal flexible foam layer as long as adhere to a layer thickness at its inside pipe wall, and when being cooled to-4 ℃, this metallic water pipe is can be by the ice spalling.
Inwall to big small-bore water pipe adheres to nonmetal flexible foam layer, can adopt conventional mosaic technology (comprising extrusion moulding) to realize, also can adopt spraying coating process even in-situ spraying (site operation that with regard to existing technical equipment, relatively is suitable for the heavy caliber water pipe) technology to realize pipe inner wall.---spraying coating process can be used fully: the foam-in-site moulding process of freezer inwall in-situ spraying " foaming slip " back being realized the freezer insulation layer, adopt " insulating foam layer " behind this technological forming very high with the bond strength of freezer inwall, construction cost is very low.
Implement when of the present invention, drawing materials of the nonmetal flexible foam layer that is adopted is a key, requirement to it should reach: any nonmetal flexible foam of reducing, when it is placed aqueous water, water can not permeate into from arbitrary surfaces position, position, cutting edge, that is: requiring inner almost each bubble that forms of this nonmetal flexible foam layer all is a complete seal (size of bubble volume need not to haggle over).Like this, after cutting off the water pipe of handling through the present invention, being merely able at most cause might be by water intrusion in the incomplete air bladder of only a few on the edge section that cuts off, and can not intake in other most nonmetal flexible foam layers.
If---allow nonmetal flexible foam layer with the contact process of aqueous water in allow in its inner bubble space of water intrusion, behind water freezing, will be difficult to anti-antipriming pipe by the spalling of the ice of wherein-4 ℃ expansion institute owing to losing its elasticity.
Claims (4)
1. the method that can prevent water pipe from freezing crack has the technology of adhering to nonmetals on the inwall of water pipe,
It is characterized in that:
On the inwall of water pipe, adhere to the nonmetal flexible foam of one deck, and the inner formed bubble monomer of this nonmetal flexible foam is airtight.
2. method that can prevent water pipe from freezing crack as claimed in claim 1 is characterized in that: described nonmetal flexible foam have drawn from foam rubber or foam rubber and plastic or flexible cellular plastic.
3. method that can prevent water pipe from freezing crack as claimed in claim 1 or 2, it is characterized in that: the thickness of described nonmetal flexible foam should be greater than 0.06 times of water pipe internal diameter.
4. method that can prevent water pipe from freezing crack as claimed in claim 1 is characterized in that: described adhering to is nonmetal flexible foam to be close to or to be bonded on the inwall of water pipe by mosaic technology or spraying coating process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610050526 CN101063312A (en) | 2006-04-27 | 2006-04-27 | Method for preventing freezing-bursting of waterpipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610050526 CN101063312A (en) | 2006-04-27 | 2006-04-27 | Method for preventing freezing-bursting of waterpipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101063312A true CN101063312A (en) | 2007-10-31 |
Family
ID=38964565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610050526 Pending CN101063312A (en) | 2006-04-27 | 2006-04-27 | Method for preventing freezing-bursting of waterpipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101063312A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090631A (en) * | 2015-09-02 | 2015-11-25 | 珠海格力电器股份有限公司 | Anti-frost-crack drainage pipeline and manufacturing method thereof |
| CN106052785A (en) * | 2016-06-29 | 2016-10-26 | 陈巧云 | Method for refitting common water meter into frost crack prevention water meter |
| CN110388745A (en) * | 2019-07-18 | 2019-10-29 | 华帝股份有限公司 | Prevent frostbite and split valve body and use its water heater |
-
2006
- 2006-04-27 CN CN 200610050526 patent/CN101063312A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090631A (en) * | 2015-09-02 | 2015-11-25 | 珠海格力电器股份有限公司 | Anti-frost-crack drainage pipeline and manufacturing method thereof |
| CN106052785A (en) * | 2016-06-29 | 2016-10-26 | 陈巧云 | Method for refitting common water meter into frost crack prevention water meter |
| CN110388745A (en) * | 2019-07-18 | 2019-10-29 | 华帝股份有限公司 | Prevent frostbite and split valve body and use its water heater |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |