CN1631635A - Method for preparing agriculture anti-freezing composite pipe - Google Patents
Method for preparing agriculture anti-freezing composite pipe Download PDFInfo
- Publication number
- CN1631635A CN1631635A CN 200410092418 CN200410092418A CN1631635A CN 1631635 A CN1631635 A CN 1631635A CN 200410092418 CN200410092418 CN 200410092418 CN 200410092418 A CN200410092418 A CN 200410092418A CN 1631635 A CN1631635 A CN 1631635A
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- pipe
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- composite pipe
- freezing
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Abstract
The invention belongs to a production technique of farm hydraulic pipelines especially to farm freezing resistive complex pipelines. The technique include following steps: a. use non-metal pipe as inner pipe; b. the production of outer sleeve pipe which includes pulling the outer sleeve pipe shaping mould on the inner pipe and then pouring in the material between the mould and the inner pipe, the constitution of the material is raw magnesite powder : pearlstone or sawdust = 5 to 8 : 1, mix up above contents by above rate and surge with magnesium chloride into soup, solidificate the poured in material in the mould for 2 to 4 hours at 15 to 28 deg. C and then demould after preserving and air drying. The invention resolves the problem that existing tech is of unsatisfied heat insulation effect, high cost and short service life. It has got ageing eroding and low temperature resistance, acquires protection and heat insulation double functions, and low producing and installing cost.
Description
Technical field
The invention belongs to the preparation method of agricultural aqueduct, be meant a kind of preparation method of agriculture anti-freezing composite pipe especially.
Background technology
At present, be exactly underground piping antiseepage water delivery at the most effective water-saving engineering of well-irrigated area, and accepted by vast farmers.Along with underground antiseepage pipeline antiseepage this water-saving technology of water delivery applying in agricultural production, its accessory demand grows with each passing day.But present pipe water outlet accessory mostly is the cast iron manufacturing.This kind delivery port accessory has following shortcoming:
One, because of belonging to the cast iron manufacturing, regular meeting is destroyed by the people and sells off and can not normally use as wastes of iron and steel, causes production loss;
Two, to be destroyed and steal by the people in order to prevent, most of area haves no alternative but containment vessel all is set on each delivery port, makes to drop into to improve more than 50%, and brings inconvenience to use; Some places with concrete with the delivery port elbow with lower part cast in situs, elbow part still is exposed on the outside, protective effect is little.
Three, because the metal material price rises steadily, and manufacturer is for reducing cost, the material usage of having to as far as possible reduce, thus make product shortening in service life.According to investigations, current institute cylinder iron delivery port have only 3-5 service life;
Four, can not normally not use owing to have warming measure, winter often to cause bursting by freezing or freezing obstruction.
Summary of the invention
The objective of the invention is to: provide that a kind of warming protection effect is good, cost of manufacture is low, the preparation method of the agriculture anti-freezing composite pipe of long service life, to overcome the deficiencies in the prior art.
Overall technology design of the present invention is:
It comprises following processing step:
A, to select non-metallic pipe for use be interior pipe;
The making of b, outer tube:
At inner tube outer surface gap suit outer tube mould, can inserts between interior pipe and mould, inserts consist of the magnesite breeze: perlite or sawdust=5-8: 1, after being mixed magnesite breeze and perlite or sawdust evenly according to the above ratio, with magnesium chloride solution furnishing pasty state, solidified 2-4 hour down at 15 ℃-28 ℃, the back demoulding is dried in maintenance.
Concrete technological parameter of the present invention is:
Comprise magnesia 90%-93% in the magnesite breeze, calcium oxide 2%-4%.
The percent concentration of magnesium chloride solution is 20%-25%.
The temperature that maintenance is dried is 15 ℃-40 ℃, and the time is for being not less than 24 hours.
Interior pipe is selected PA tube for use, and pipe thickness is not less than 2.5 millimeters.
Remarkable technological progress and substantive distinguishing features that the present invention obtains are:
Pipe selects for use polypropylene material to make in the pipeline, belongs to environment-friendly materials, and functional, anti-aging, corrosion-resistant, and toughness is big, and plasticity is strong, and unsuitable explosion can be carried out thermally coupled, has improved security of products, extremely difficult weathering under no optical condition;
The outer tube quality of pipeline is hard, is synthetic material, possesses protection and warming double action, when preventing to destroy, can effectively avoid occurring low temperature bursting by freezing in severe winter, humidity and illumination, weathering resistance, not cracky;
Pipeline need not be established containment vessel in addition owing to directly have outer tube, and the underground water conduit working procedure is simplified, and installation cost reduces significantly, has reduced unnecessary secondary input;
The pipeline making prices of raw and semifnished materials are lower, and manufacturing process is simple, and manufacturing cost can reduce by 30%.
The specific embodiment
Below in conjunction with embodiment the present invention is described further.
Embodiment 1:
It comprises following processing step:
A, to select PA tube for use be interior pipe, and thickness of pipe wall is 3 millimeters;
The making of b, outer tube:
At inner tube outer surface gap suit outer tube mould, can inserts between interior pipe and mould, inserts consist of the magnesite breeze: perlite=6: 1, after being mixed magnesite breeze and perlite evenly according to the above ratio, with magnesium chloride solution furnishing pasty state, solidified 3 hours down at 20 ℃, the back demoulding is dried in maintenance.
Comprise magnesia 91% in the magnesite breeze, calcium oxide 3%.The percent concentration of magnesium chloride solution is 22%.The temperature that maintenance is dried is 20 ℃, and the time is 48 hours.
Embodiment 2:
It comprises following processing step:
A, to select PA tube for use be interior pipe, and thickness of pipe wall is 2.8 millimeters;
The making of b, outer tube:
At inner tube outer surface gap suit outer tube mould, can inserts between interior pipe and mould, inserts consist of the magnesite breeze: sawdust=7: 1, after being mixed magnesite breeze and sawdust evenly according to the above ratio, with magnesium chloride solution furnishing pasty state, solidified 2.5 hours down at 25 ℃, the back demoulding is dried in maintenance.
Comprise magnesia 92% in the magnesite breeze, calcium oxide 4%.The percent concentration of magnesium chloride solution is 25%.The temperature that maintenance is dried is 30 ℃, and the time is 36 hours.
Claims (5)
1, the preparation method of agriculture anti-freezing composite pipe is characterized in that it comprises following processing step:
A, to select non-metallic pipe for use be interior pipe;
The making of b, outer tube:
At inner tube outer surface gap suit outer tube mould, can inserts between interior pipe and mould, inserts consist of the magnesite breeze: perlite or sawdust=5-8: 1, after being mixed magnesite breeze and perlite or sawdust evenly according to the above ratio, with magnesium chloride solution furnishing pasty state, solidified 2-4 hour down at 15 ℃-28 ℃, the back demoulding is dried in maintenance.
2, the preparation method of agriculture anti-freezing composite pipe according to claim 1 is characterized in that comprising magnesia 90%-93% in the described magnesite breeze, calcium oxide 2%-4%.
3, the preparation method of agriculture anti-freezing composite pipe according to claim 1, the percent concentration that it is characterized in that described magnesium chloride solution is 20%-25%.
4, the preparation method of agriculture anti-freezing composite pipe according to claim 1 is characterized in that the temperature that described maintenance is dried is 15 ℃-40 ℃, and the time is for being not less than 24 hours.
5, the preparation method of agriculture anti-freezing composite pipe according to claim 1, it is characterized in that described in pipe select PA tube for use, pipe thickness is not less than 2.5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410092418 CN1631635A (en) | 2004-12-22 | 2004-12-22 | Method for preparing agriculture anti-freezing composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410092418 CN1631635A (en) | 2004-12-22 | 2004-12-22 | Method for preparing agriculture anti-freezing composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1631635A true CN1631635A (en) | 2005-06-29 |
Family
ID=34847679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410092418 Pending CN1631635A (en) | 2004-12-22 | 2004-12-22 | Method for preparing agriculture anti-freezing composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1631635A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109694136A (en) * | 2018-12-29 | 2019-04-30 | 苏州凯虹高分子科技有限公司 | A kind of scale inhibition pipe and its production technology |
-
2004
- 2004-12-22 CN CN 200410092418 patent/CN1631635A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109694136A (en) * | 2018-12-29 | 2019-04-30 | 苏州凯虹高分子科技有限公司 | A kind of scale inhibition pipe and its production technology |
| CN109694136B (en) * | 2018-12-29 | 2022-05-10 | 苏州凯虹高分子科技有限公司 | Scale inhibition pipe and production process thereof |
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| 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 |