CN105038049A - Saline-alkali soil salt elimination concealed pipe resistant to saline-alkali corrosion and preparing method of saline-alkali soil salt elimination concealed pipe - Google Patents
Saline-alkali soil salt elimination concealed pipe resistant to saline-alkali corrosion and preparing method of saline-alkali soil salt elimination concealed pipe Download PDFInfo
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- CN105038049A CN105038049A CN201510438878.8A CN201510438878A CN105038049A CN 105038049 A CN105038049 A CN 105038049A CN 201510438878 A CN201510438878 A CN 201510438878A CN 105038049 A CN105038049 A CN 105038049A
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Abstract
The invention provides a saline-alkali soil salt elimination concealed pipe resistant to saline-alkali corrosion. The concealed pipe comprises, by weight, 60-65 parts of polytetrafluoroethylene, 10-13 parts of modified polyphenylene oxide, 2-4 parts of fungacetin, 0.6-1.2 parts of sodium silicate, 3-6 parts of polypropylene fiber, 2-4 parts of nano-zinc oxide powder, 1.2-2.6 parts of butyl rubber, 1.6-2.2 parts of cellulose nitrate, 0.9-1.3 parts of benzisothiazolinone and 1.3-1.8 parts of zinc stearate. The nominal outside diameter of the concealed pipe is 109 mm, and the wall thickness of the concealed pipe is 3 mm. The concealed pipe is provided with oval holes, according to the ovality, the ratio of the maximum outside diameter to the minimum inside diameter is not larger than 118 percent, and the total water inlet area is 36 cm<2>/m. The concealed pipe is good in saline-alkali corrosion resisting performance and is applied to eliminate salt of the serious saline-alkali soil with pH ranging from 9.0 to 9.6. Compared with a concealed pipe in the prior art, the service life is prolonged by 15-18 years.
Description
Technical field
The invention belongs to alkaline land improving field, relate to a kind of saltings salt discharge hidden pipe, saltings salt discharge hidden pipe being specifically related to a kind of saline-alkaline corrosion-resistant and preparation method thereof.
Background technology
The matter of utmost importance of saline land greening how to improve soil as early as possible, solves the problem of soil saliferous, how to ensure surviving and ecological effect of nursery stock, and draining desalination improvement soil, seedling growth, special curing etc. are afforestation project key link and emphasis, difficult point.
Because in saltings, salinity accumulates in a large number, cause a series of deterioration of soil, structure viscous, poor air permeability, unit weight is high, and harden serious, Soil Microorganism reactivity is poor, and salinification aggravates; Serious on plant-growth impact, beach saline land soil body saltiness is high, P in soil H is high, organic content is low; Wind speed is large, steam output is large, mineralization of groundwater is large.
The plastics salt discharge hidden pipe of prior art is generally 50 years work-ing life in the saltings that saline and alkaline degree is lower, in the heavy salinized ground that saline and alkaline degree is higher, is vulnerable to corrosion, and life-span meeting serious curtailment, is generally no more than 40 years; Lay hidden pipe due to salt discharge engineering and need excavate the ground degree of depth more than 1.5 meters, if hidden pipe is damaged or seepage in use procedure, during repairing, cost effort is consuming time very many; So, need the good hidden pipe of a kind of anti-saline alkali corrosion performance to meet the needs of heavy saline salt discharge.
The plastics salt discharge hidden pipe of prior art has following defect: (1) hidden pipe material anti-saline alkali corrosion poor performance; (2) in the saltings that pH is higher, work-ing life is short; (3) tensile strength of hidden pipe and shock strength lower, longitudinal welds is higher.
Summary of the invention
The present invention is directed to above deficiency, saltings salt discharge hidden pipe providing a kind of saline-alkaline corrosion-resistant and preparation method thereof, realizes following goal of the invention:
1, the anti-saline alkali corrosion ability of hidden pipe is improved;
2, the work-ing life of hidden pipe in heavy salinized ground is extended;
3, improve hidden pipe tensile strength, reduce longitudinal welds, improve shock strength.
for solving the problems of the technologies described above, by the following technical solutions:
A saltings salt discharge hidden pipe for saline-alkaline corrosion-resistant, the raw material of described hidden pipe comprises following component: tetrafluoroethylene, Noryl, Vanay, water glass, polypropylene fibre, nano zinc oxide powder, isoprene-isobutylene rubber, Nitrocellulose, phenylpropyl alcohol isothiazolinone, Zinic stearas.
Below the further improvement to technique scheme:
The weight proportion of described hidden pipe raw material is: tetrafluoroethylene 60-65 part, Noryl 10-13 part, Vanay 2-4 part, water glass 0.6-1.2 part, polypropylene fibre 3-6 part, nano zinc oxide powder 2-4 part, isoprene-isobutylene rubber 1.2-2.6 part, Nitrocellulose 1.6-2.2 part, phenylpropyl alcohol isothiazolinone 0.9-1.3 part, Zinic stearas 1.3-1.8 part.
The weight proportion of described hidden pipe raw material is: tetrafluoroethylene 62 parts, Noryl 12 parts, Vanay 3 parts, water glass 0.8 part, 5 parts, polypropylene fibre, nano zinc oxide powder 3 parts, isoprene-isobutylene rubber 2.2 parts, Nitrocellulose 1.9 parts, phenylpropyl alcohol isothiazolinone 1.1 parts, Zinic stearas 1.6 parts.
A preparation method for the saltings salt discharge hidden pipe of saline-alkaline corrosion-resistant, comprises oven dry, extrudes, cooling and shaping, punch out step; Described is baking step: bake out temperature is 55-60 DEG C, and drying time is 0.5h.
In described extrusion step, the screw speed of singe screw pipe extruder is 158rpm, and total heating power is 32kw, and barrel heat district is 4, and extrusion temperature is 168-174 DEG C.
In described cooling and shaping step, cooling and shaping comprises one-level spraying cooling, secondary spraying cooling and three grades of spraying coolings; The cooling temperature of described one-level spraying cooling is 70-80 DEG C; The cooling temperature of described secondary spraying cooling is 55-60 DEG C; The cooling temperature of described three grades of spraying coolings is 30-34 DEG C.
Described cooling and shaping step, the shaping hidden pipe nominal outside diameter of preparation is 109mm, and wall thickness is 3mm.
In described punch out step, punching requires: hole is oval, ovality: maximum outside diameter is no more than 118% with the ratio of minimum diameter; Same hole count is circumferentially 3, and 120 °, interval is uniformly distributed, and overall water inlet area is 36cm2/m; Punch position is all in bottom the trough of corrugated tube.
the present invention compared with prior art, has following beneficial effect:
1, hidden pipe anti-saline alkali corrosion performance of the present invention is good;
2, hidden pipe of the present invention is applied to the heavy salinized ground salt discharge of pH9.0-9.6, and work-ing life, the hidden pipe of comparable prior art extended 15-18;
3, hidden pipe tensile strength of the present invention is 38-42MPa, and longitudinal welds (110 DEG C) is 1.9-2.3%, and shock strength is 176-179kJ/ ㎡.
Embodiment
the saltings salt discharge hidden pipe of embodiment 1 one kinds of saline-alkaline corrosion-resistants
The raw material of described hidden pipe comprises the component of following weight proportion:
Tetrafluoroethylene 60 parts, Noryl 10 parts, Vanay 2 parts, water glass 0.6 part, 3 parts, polypropylene fibre, nano zinc oxide powder 2 parts, isoprene-isobutylene rubber 1.2 parts, Nitrocellulose 1.6 parts, phenylpropyl alcohol isothiazolinone 0.9 part, Zinic stearas 1.3 parts.
the saltings salt discharge hidden pipe of embodiment 2 one kinds of saline-alkaline corrosion-resistants
The raw material of described hidden pipe comprises the component of following weight proportion:
Tetrafluoroethylene 62 parts, Noryl 12 parts, Vanay 3 parts, water glass 0.8 part, 5 parts, polypropylene fibre, nano zinc oxide powder 3 parts, isoprene-isobutylene rubber 2.2 parts, Nitrocellulose 1.9 parts, phenylpropyl alcohol isothiazolinone 1.1 parts, Zinic stearas 1.6 parts.
the saltings salt discharge hidden pipe of embodiment 3 one kinds of saline-alkaline corrosion-resistants
The raw material of described hidden pipe comprises the component of following weight proportion:
Tetrafluoroethylene 65 parts, Noryl 13 parts, Vanay 4 parts, water glass 1.2 parts, 6 parts, polypropylene fibre, nano zinc oxide powder 4 parts, isoprene-isobutylene rubber 2.6 parts, Nitrocellulose 2.2 parts, phenylpropyl alcohol isothiazolinone 1.3 parts, Zinic stearas 1.8 parts.
the preparation method of the saltings salt discharge hidden pipe of embodiment 4 one kinds of saline-alkaline corrosion-resistants
step 1, weighing
Each component of hidden pipe raw material is taken by raw material weight proportioning, for subsequent use.
step 2, oven dry
Each component above-mentioned steps weighed up carries material loading respectively, and drop into drying unit, bake out temperature is 55-60 DEG C, and drying time is 0.5h.
step 3, to extrude
Raw material in drying unit, after baking operation completes, is delivered to singe screw pipe extruder, through melting, and plasticizing, extrusion moulding;
Screw speed is 158rpm, and total heating power is 32kw, and barrel heat district is 4, and extrusion temperature is 168-174 DEG C.
step 4, cooling and shaping
Corrugated pipe forming machine introduced by the tubing that forcing machine squeezes out, and draws shaping, obtains shaping hidden pipe through cooling and shaping;
Described cooling and shaping comprises one-level spraying cooling, secondary spraying cooling and three grades of spraying coolings;
The cooling temperature of described one-level spraying cooling is 70-80 DEG C;
The cooling temperature of described secondary spraying cooling is 55-60 DEG C;
The cooling temperature of described three grades of spraying coolings is 30-34 DEG C;
The shaping hidden pipe nominal outside diameter of preparation is 109mm, and wall thickness is 3mm.
step 5, punching
Shaping hidden pipe is carried out special punching, makes the salt discharge hidden pipe that saltings is special;
Punching requires: hole is oval, ovality: maximum outside diameter is no more than 118% with the ratio of minimum diameter; Same hole count is circumferentially 3, and 120 °, interval is uniformly distributed, and overall water inlet area is 36cm2/m; Punch position is all in bottom the trough of corrugated tube.
hidden pipe Performance Detection:
(1) hidden pipe anti-saline alkali corrosion performance test
The hidden pipe of embodiment 1-3 is immersed in respectively in different test mediums, under 70 DEG C of conditions, soaks 100h, carry out anti-saline alkali corrosion performance test; With the common hidden pipe bought on the market for control group is tested.
Experimental result:
Calculate the corrosion rate of hidden pipe, corrosion rate=(the hidden pipe quality after hidden pipe original quality-immersion medium)/hidden pipe original quality × 100%, the hidden pipe anti-saline alkali corrosion performance test of embodiment 1-3 the results are shown in Table 1;
Table 1 different media is to the corrosion rate of hidden pipe
From table 1, the hidden pipe corrosion rate of embodiment 1-3 is starkly lower than the corrosion rate of control group hidden pipe, illustrates that the anti-saline alkali corrosion performance of hidden pipe of the present invention is better.
(2) through test, hidden pipe of the present invention is applied to the heavy salinized ground salt discharge of pH9.0-9.6, and work-ing life, the hidden pipe of comparable prior art extended 15-18.
(3) carry out physicals detection to the hidden pipe of embodiment 1-3, each Indexs measure the results are shown in Table 2;
The hidden pipe physicals detected result of table 2 embodiment 1-3
Through test, hidden pipe tensile strength of the present invention is 38-42MPa, and longitudinal welds (110 DEG C) is 1.9-2.3%, and shock strength is 176-179kJ/ ㎡.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a saltings salt discharge hidden pipe for saline-alkaline corrosion-resistant, is characterized in that: the raw material of described hidden pipe comprises following component: tetrafluoroethylene, Noryl, Vanay, water glass, polypropylene fibre, nano zinc oxide powder, isoprene-isobutylene rubber, Nitrocellulose, phenylpropyl alcohol isothiazolinone, Zinic stearas.
2. the saltings salt discharge hidden pipe of a kind of saline-alkaline corrosion-resistant according to claim 1, is characterized in that: the weight proportion of described hidden pipe raw material is: tetrafluoroethylene 60-65 part, Noryl 10-13 part, Vanay 2-4 part, water glass 0.6-1.2 part, polypropylene fibre 3-6 part, nano zinc oxide powder 2-4 part, isoprene-isobutylene rubber 1.2-2.6 part, Nitrocellulose 1.6-2.2 part, phenylpropyl alcohol isothiazolinone 0.9-1.3 part, Zinic stearas 1.3-1.8 part.
3. the saltings salt discharge hidden pipe of a kind of saline-alkaline corrosion-resistant according to claim 2, is characterized in that: the weight proportion of described hidden pipe raw material is: tetrafluoroethylene 62 parts, Noryl 12 parts, Vanay 3 parts, water glass 0.8 part, 5 parts, polypropylene fibre, nano zinc oxide powder 3 parts, isoprene-isobutylene rubber 2.2 parts, Nitrocellulose 1.9 parts, phenylpropyl alcohol isothiazolinone 1.1 parts, Zinic stearas 1.6 parts.
4. a preparation method for the saltings salt discharge hidden pipe of saline-alkaline corrosion-resistant, is characterized in that: comprise oven dry, extrude, cooling and shaping, punch out step; Described is baking step: bake out temperature is 55-60 DEG C, and drying time is 0.5h.
5. the preparation method of the saltings salt discharge hidden pipe of a kind of saline-alkaline corrosion-resistant according to claim 4, it is characterized in that: in described extrusion step, the screw speed of singe screw pipe extruder is 158rpm, total heating power is 32kw, barrel heat district is 4, and extrusion temperature is 168-174 DEG C.
6. the preparation method of the saltings salt discharge hidden pipe of a kind of saline-alkaline corrosion-resistant according to claim 4, is characterized in that: in described cooling and shaping step, cooling and shaping comprises one-level spraying cooling, secondary spraying cooling and three grades of spraying coolings; The cooling temperature of described one-level spraying cooling is 70-80 DEG C; The cooling temperature of described secondary spraying cooling is 55-60 DEG C; The cooling temperature of described three grades of spraying coolings is 30-34 DEG C.
7. the preparation method of the saltings salt discharge hidden pipe of a kind of saline-alkaline corrosion-resistant according to claim 4, is characterized in that: described cooling and shaping step, the shaping hidden pipe nominal outside diameter of preparation is 109mm, and wall thickness is 3mm.
8. the preparation method of the saltings salt discharge hidden pipe of a kind of saline-alkaline corrosion-resistant according to claim 4, is characterized in that: in described punch out step, and punching requires: hole is oval, ovality: maximum outside diameter is no more than 118% with the ratio of minimum diameter; Same hole count is circumferentially 3, and 120 °, interval is uniformly distributed, and overall water inlet area is 36cm2/m; Punch position is all in bottom the trough of corrugated tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510438878.8A CN105038049A (en) | 2015-07-24 | 2015-07-24 | Saline-alkali soil salt elimination concealed pipe resistant to saline-alkali corrosion and preparing method of saline-alkali soil salt elimination concealed pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510438878.8A CN105038049A (en) | 2015-07-24 | 2015-07-24 | Saline-alkali soil salt elimination concealed pipe resistant to saline-alkali corrosion and preparing method of saline-alkali soil salt elimination concealed pipe |
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| CN105038049A true CN105038049A (en) | 2015-11-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105494429A (en) * | 2015-12-09 | 2016-04-20 | 中国建筑材料科学研究总院 | Antibacterial and antifungal agent, preparation method thereof and antibacterial and antifungal method |
| CN106117816A (en) * | 2016-07-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of salt discharge hidden pipe containing polyphenylene oxide and preparation method thereof |
| CN106220999A (en) * | 2016-07-30 | 2016-12-14 | 山东胜伟园林科技有限公司 | A kind of salt discharge hidden pipe containing zinc oxide and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10512620A (en) * | 1996-09-19 | 1998-12-02 | ダブリュ．エル．ゴア アンド アソシエーツ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Co-continuous blend of fluoropolymer and thermoplastic polymer and method of manufacture |
| CN103421262A (en) * | 2013-08-22 | 2013-12-04 | 成都英德生物医药设备有限公司 | High-molecular polymer composite suitable for bioreactor and method for manufacturing high-molecular polymer composite |
| CN103665681A (en) * | 2013-09-11 | 2014-03-26 | 东台市天龙塑料制品厂 | Novel plastic pipe and production method for same |
| CN103724894A (en) * | 2013-12-12 | 2014-04-16 | 安徽凯特泵业有限公司 | High-temperature resistant polyphenylene ether-modified polytetrafluoroethylene material for pumps and valves |
| CN104371232A (en) * | 2014-11-04 | 2015-02-25 | 常熟市浩通水利工程有限公司 | High-strength composite pipe |
-
2015
- 2015-07-24 CN CN201510438878.8A patent/CN105038049A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10512620A (en) * | 1996-09-19 | 1998-12-02 | ダブリュ．エル．ゴア アンド アソシエーツ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Co-continuous blend of fluoropolymer and thermoplastic polymer and method of manufacture |
| CN103421262A (en) * | 2013-08-22 | 2013-12-04 | 成都英德生物医药设备有限公司 | High-molecular polymer composite suitable for bioreactor and method for manufacturing high-molecular polymer composite |
| CN103665681A (en) * | 2013-09-11 | 2014-03-26 | 东台市天龙塑料制品厂 | Novel plastic pipe and production method for same |
| CN103724894A (en) * | 2013-12-12 | 2014-04-16 | 安徽凯特泵业有限公司 | High-temperature resistant polyphenylene ether-modified polytetrafluoroethylene material for pumps and valves |
| CN104371232A (en) * | 2014-11-04 | 2015-02-25 | 常熟市浩通水利工程有限公司 | High-strength composite pipe |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105494429A (en) * | 2015-12-09 | 2016-04-20 | 中国建筑材料科学研究总院 | Antibacterial and antifungal agent, preparation method thereof and antibacterial and antifungal method |
| CN105494429B (en) * | 2015-12-09 | 2020-08-18 | 中国建筑材料科学研究总院 | Antibacterial mildew preventive, preparation method thereof and antibacterial mildew preventive method |
| CN106117816A (en) * | 2016-07-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of salt discharge hidden pipe containing polyphenylene oxide and preparation method thereof |
| CN106220999A (en) * | 2016-07-30 | 2016-12-14 | 山东胜伟园林科技有限公司 | A kind of salt discharge hidden pipe containing zinc oxide and preparation method thereof |
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Application publication date: 20151111 |