CN101152639B - Micropore infiltrating tube manufacture method and product therefor - Google Patents
Micropore infiltrating tube manufacture method and product therefor Download PDFInfo
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- CN101152639B CN101152639B CN200610152776A CN200610152776A CN101152639B CN 101152639 B CN101152639 B CN 101152639B CN 200610152776 A CN200610152776 A CN 200610152776A CN 200610152776 A CN200610152776 A CN 200610152776A CN 101152639 B CN101152639 B CN 101152639B
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- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention provides a microporous permeable pipe and is prepared with the following steps: (1) clean rubber and plastics is separately crushed into powder of 45 to 70mm and 55 to 75 portion of rubber and 20 to 40 portion of plastics are mixed together by weight; (2) the mixture is added with 2 to 4 portion of oil resin, 0.4 to o.6 portion of foaming agent, 0.4 to 0.6 portion of heat stabilizingagent and 0.6 to 1.4 portion of ethylene vinyl acetate copolymer by weight and then is granulated after stirring for 20 to 40min; (3) particle from the step (2) is squeezed and molded. Irregular bending Millipores are distributed on the wall of the realized Millipore soakaway trench from inward to outward. Density is 40 to 110kg/m<3>, thickness of the trench wall is 1.5 to 3mm, working pressure is 0.1 to 0.5kg, water percolating capacity is 1.4 to 4.2kg/min, and water percolating effective length is 40 to 80m. When in work, the microporous permeable pipe of the invention can coordinate the ratio of water, vapor and heat in soil and cannot lead to clotting of soil as well as water loss and soil erosion, moreover, secondary salinization of soil can be inhibited.
Description
[technical field]
The present invention relates to agricultural, treegarden irrigation fertilizer apparatus field, specifically, relate to a kind of micropore infiltrating irrigation pipeline.
[background technology]
China's water resource famine, according to statistics, China's water resources ownership per capita only is equivalent to world occupancy volume per person's 1/4.Therefore, water-saving Products Development in the every field of social life, especially agricultural, the treegarden irrigation field is extensively paid close attention to always.
The present extensive use of China be drip irrigation technique, generally adopt nylon or pvc pipe as water-supply-pipe, and on tube wall boring or otch as apopore.But boring or otch can destroy the intensity of pipe, and tapping is yielding when pipe is squeezed, and influence the circulation of liquid in pipe ground.Drip irrigation is slowly delivered to the plant roots district by the mode of water dropper drop with water, but because the microtubule of water dropper is very thin, is easy to be stopped up by silt in the soil and root system of plant, and the water outlet lack of homogeneity of water dropper, causes hardening of soil easily.
A kind of rubber blend foaming soakaway trench of moulding is disclosed as Chinese patent ZL 03257250.6, only be covered with around its tube wall can be under 10-20 times of magnifying glass could obvious clear demonstration micropore, described micropore is an infiltration pore in irregular shape, water is after infiltrating under the very little water pressure and hastening towards saturation in managing, because siphonage, water just oozes out along all directions around the tube wall, thereby reaches irrigation purposes.But there is certain defective in the soakaway trench of this patent introduction in manufacturing cost, on service life.
So, still need the micropore infiltrating irrigation pipeline that cost is cheaper, the life-span is longer, water-saving result is better agriculture, usefulness is applied fertilizer in treegarden irrigation.
[summary of the invention]
[technical problem that will solve]
The purpose of this invention is to provide a kind of micropore infiltrating irrigation pipeline that is suitable for agricultural, treegarden irrigation fertilising usefulness, another object of the present invention provides the preparation method of described micropore infiltrating irrigation pipeline.
[technical scheme]
The invention provides a kind of preparation method of micropore infiltrating irrigation pipeline, this method comprises the steps:
(1), clean rubber and plastics pulverized respectively be 45-70 purpose powdery, the two mixes with the ratio that is respectively 55-75 part and 20-40 part by weight;
(2), in said mixture, add 2-4 part Petropols, 0.4-0.6 part blowing agent, 0.4-0.6 part heat stabilizer and 0.6-1.4 part ethylene-vinyl acetate copolymer (EVA) back stirring 20-40min by weight, granulation;
(3), with gained particle extrusion modling in the step (2).
Rubber described in the above-mentioned steps (1) and plastics can utilize discarded rubber and plastics, as discarded tire, waste and old polyethylene (PE) product such as worn-out agricultural film, mulch film, refuse bag etc., above-mentioned discarded object is cleaned, made powder after the oven dry, and the back granulation also can be cleaned, be dried to wherein said plastics; Rubber and plastic powders are preferably the 55-65 order, and weight proportion is preferably 60-70: 25-35 part.
Petropols described in the above-mentioned steps (2) are that single, double olefinic constituents is a kind of solid shape or the aqueous polymer of raw material through being polymerized in the carbon five (C5), carbon nine (C9) cut of by-product during with petroleum cracking system ethene, mainly play viscosifying action;
Described blowing agent is an organic foaming agent, as azo compound, N-nitroso compound and sulfonyl hydrazines compound etc., its effect is to obtain to have the microcellular structure polymer product by discharging gas, reach the purpose that reduces the goods apparent density, as long as can achieve the above object, can use existing commodity, as in H blowing agent, AC, ACK, ACM, DD-1, DD-2, STK-1, STK-2, STK-M1, ACY-1 and the ACY-2 blowing agent one or more; Preferred in the present invention H blowing agent or AC (Celogen Az);
Described heat stabilizer is optional from polyvinyl chloride and vinyl chloride copolymer, organic stabilizers such as main stabilizers such as base lead salt class, metallic soap class, organic tin, antimony organic class and epoxide class, phosphorous acid esters, polyalcohols, can use existing commodity, as in CT-50A, methyl tin, nontoxic phosphite ester DB-1500, mercaptan antimony, the polyoxyethylene one or more; Preferable methyl tin in the present invention;
Described ethylene-vinyl acetate copolymer can obtain by commodity purchasing, as Leo (Dongguan) plastic raw materials Co., Ltd sell 7350,7240,630, the EVA of MH40, MP441, various models such as 18-3,14-2.
When above-mentioned various raw materials were stirred, mixing speed was 400-600 rev/min, was preferably 460-540 rev/min.
Can be with existing plastics or the employed extruder of rubber process industry during extrusion modling in the above-mentioned steps (3), KD-1280F type injection machine as the production of Ningbo City Venus plastics machinery Co., Ltd, the TEE-95 type parallel dual-screw extruder that Nanjing Rhea high polymer Co., Ltd produces, three layers of extruder of SJ-65 type that Rui'an City red flag plastics package machinery Co., Ltd produces etc.
The present invention also provides the micropore infiltrating irrigation pipeline that is obtained by method for preparing, and it is a kind of hollow tube.
The tube wall of micropore infiltrating irrigation pipeline of the present invention from outward appearance to inner essence is covered with irregular crooked micropore, described micropore is evenly distributed, the size of micropore size can make hydrone and fertilizer, pesticide molecule pass, and can prevent the obstruction that silt and root system of plant cause effectively.
The density of micropore infiltrating irrigation pipeline of the present invention is 40-110kg/m
3, be preferably 65-85kg/m
3Pipe thickness is 1.5-3mm, can select for use according to different hydraulic pressure and edaphic condition.
The physical and mechanical properties parameter of micropore infiltrating irrigation pipeline of the present invention is as follows:
According to standard GB/T2406 test, its oxygen index (OI) 〉=35; According to standard GB/T8333 test, its average burning time≤30s, average burning height≤140mm; According to standard GB/T8332 test, its average combustion range≤40mm; According to standard GB/T8627 test, its smoke density grade (SDR)≤70.
Its thermal conductivity factor is 0 ℃ of test down, and the result is less than 0.03W/ (M.K); Its moisture permeable coefficient is less than 4.4 * 10
-10G/ (M.S.PA), the wet resistance factor is 4.5 * 10
-2-6.0 * 10
-2Its vacuum dehydration rate is 3-9%; Its dimensional stability is tested 7d under 105 ± 3.7 ℃ temperature, be 6-8%; Its tearing strength is 3.50-7.0N/cm; Its compression rebound degree is tested 72h under 50% compression ratio, be 75-80%.
Micropore infiltrating irrigation pipeline of the present invention has ozone resistance preferably, places 200h and do not chap under ozone partial pressure 202Pa.And have ageing resistance preferably, through only slightly wrinkling after the test of 150h, flawless, free of pinholes, indeformable.
Micropore infiltrating irrigation pipeline infiltration of the present invention is even, and its operating pressure is the 0.1-0.5 kilogram, can regulate according to different edaphic condition; Its water percolating capacity and operating pressure, pore size are relevant, are 1.4-4.2kg/min; Its infiltration effective length is 40-80m.Infiltration soil texture state is trapezoidal during its work, generally when work 15min, infiltration soil upper width is 15-20cm, soil is 12-18cm down, permeability is 50-60cm/15min, makes steam ratio of specific heat example coordination in the soil, can not make soil block, soil erosion, and can suppress the secondary salinization of soil problem of soil.
Micropore infiltrating irrigation pipeline Applicable temperature scope of the present invention is wide, can both keep good performance down at-40-105 ℃.
Micropore infiltrating irrigation pipeline of the present invention can be according to the different demands of region and plant, and prepare different cross sectional shapes, thickness, length etc.
The micropore infiltrating irrigation pipeline scope of application of the present invention is extensive, is applicable to all kinds soil and various types of plant, especially use in the area of serious water shortages such as desert, wasteland can economize on water significantly, energy-conservation.
Micropore infiltrating irrigation pipeline of the present invention can also combine with auto-control and potential device, realizes intelligent management, reasonably carries moisture, fertilizer and agricultural chemicals for plant.
[three] beneficial effect
That micropore infiltrating irrigation pipeline of the present invention has is nontoxic, acid and alkali-resistance, oil resistant, high-low temperature resistant, anti-layer are scratched, anti-negative high voltage, anti-animal is destroyed and advantage such as mechanical damage, it is low to have pressure during use, infiltration is even, and micropore is difficult for stopping up long service life, light weight, advantages such as softness also have anti-condensation simultaneously, cut off cross-ventilation, the coefficient of heat conduction is low, is difficult for the advantage of aging cracking.Fertile, administration are fed water, given to the plant that is widely used in all kinds soil.And micropore infiltrating irrigation pipeline primary raw material of the present invention is rubber, the plastics of discarding, and has solved the recycling of defective work, and production technology is simple, has high economic worth.
[specific embodiment]
Can further be expressly understood the present invention by the specific embodiment of the invention given below, but these embodiment not limiting the scope of the invention.
Embodiment 1
(1), clean rubber and plastics are pulverized respectively is 60 purpose powderies, the two mixes with the ratio of 65 parts and 30 parts by weight;
(2), in said mixture, add 3 parts Petropols by weight, 0.5 part AC blowing agent stirs 30min, granulation behind 0.5 part methyl tin heat stabilizer and 1 part the EVA;
(3), use three layers of extruder of SJ-65 type of Rui'an City red flag plastics package machinery Co., Ltd production with gained particle extrusion modling in the step (2), wherein first section temperature of extruder is 150 ℃, second section temperature is 165 ℃, and the 3rd section temperature is 175 ℃, and die head temperature is 190 ℃.
The density of gained soakaway trench is 40kg/m
3, pipe thickness is 2.5mm.
Embodiment 2
(1), clean rubber and plastics are pulverized respectively is 55 purpose powderies, the two mixes with the ratio of 60 parts and 40 parts by weight;
(2), in said mixture, add 4 parts Petropols by weight, 0.6 part AC blowing agent stirs 30min, granulation behind 0.4 part nontoxic phosphite ester DB-1500 heat stabilizer and 0.6 part the EVA;
(3), use three layers of extruder of SJ-65 type of Rui'an City red flag plastics package machinery Co., Ltd production with gained particle extrusion modling in the step (2), wherein first section temperature of extruder is 155 ℃, second section temperature is 160 ℃, and the 3rd section temperature is 170 ℃, and die head temperature is 185 ℃.
The density of gained soakaway trench is 90kg/m
3, pipe thickness is 1.5mm.
Embodiment 3
(1), clean rubber and plastics are pulverized respectively is 65 purpose powderies, the two mixes with the ratio of 60 parts and 30 parts by weight;
(2), in said mixture, add 3 parts Petropols by weight, 0.2 part AC blowing agent and 0.1 part H blowing agent stir 30min, granulation behind the EVA of 0.15 part CT-50A heat stabilizer and 0.15 part of mercaptan antimony heat stabilizer and 1.2 parts;
(3), use the TEE-95 type parallel dual-screw extruder of Nanjing Rhea high polymer Co., Ltd production with gained particle extrusion modling in the step (2).
The density of gained soakaway trench is 110kg/m
3, pipe thickness is 3mm.
The physical and mechanical properties test of embodiment 4 soakaway trench of the present invention
Get by implementing 1 soakaway trench of the present invention for preparing, carry out following performance detection.Gained the results are shown in Table 1.
The physical and mechanical properties test of table 1 soakaway trench of the present invention
The water percolating capacity test of embodiment 5 micropore infiltrating irrigation pipelines of the present invention
Get the soakaway trench of different model of the present invention, parallel laid in herbary, according to the form below is chosen different operating pressures and effective length, tests the water percolating capacity of its 15min, and watering with the fiber reinforcement type garden pipe of same size simultaneously compares, and the results are shown in Table 2.(annotate: FT is 50 feet)
The water percolating capacity test of table 2 micropore infiltrating irrigation pipeline of the present invention
Embodiment 6
Use soakaway trench of the present invention cucumber in the booth is irrigated for a long time and to observe, the equal area of choosing identical plant number is simultaneously carried out dropper, jet pipe is irrigated relatively.Can obviously find out, there were significant differences for the increment of crop, plant height, blade size, output, quality etc., the plant of using soakaway trench of the present invention to irrigate can reach all that strain is slightly full of leaves, many, the uniformity of the straight fruit of melon, do not exist the water yield not catch up with and cause phenomenons such as (major part melon, crooked melon, lopsided melons), fruit smooth surface exquisiteness (immaculate), fruit size uniformity is compared with other water saving equipment and can be improved output 30%; Saving of labor, laborsaving; Compare with other drip irrigation, lower to water quality requirement, be difficult for to stop up, more easily apply.
Claims (10)
1. the preparation method of a micropore infiltrating irrigation pipeline, this method may further comprise the steps:
(1), clean rubber and plastics pulverized respectively be 45-70 purpose powdery, the two mixes with the ratio that is respectively 55-75 part and 20-40 part by weight;
(2), in said mixture, add by weight and stir 20-40min, granulation behind 2-4 part Petropols, 0.4-0.6 part blowing agent, 0.4-0.6 part heat stabilizer and the 0.6-1.4 part ethylene-vinyl acetate copolymer;
(3), with gained particle extrusion modling in the step (2).
2. preparation method according to claim 1 is characterized in that the rubber described in the step (1) is waste tire, and described plastics are waste and old plastic sheeting for farm use, mulch film, refuse bags.
3. preparation method according to claim 1 is characterized in that the blowing agent described in the step (2) is one or more in azo compound, N-nitroso compound, the sulfonyl hydrazines compound.
4. preparation method according to claim 1, it is characterized in that the heat stabilizer described in the step (2) is selected from polyvinyl chloride and vinyl chloride copolymer, one or more in base lead salt class, metallic soap class, organic tin, antimony organic class, epoxide class, phosphorous acid esters, the polyalcohols organic stabilizer.
5. preparation method according to claim 1 is characterized in that mixing speed is 400-600 rev/min in the step (2).
6. the micropore infiltrating irrigation pipeline that obtains according to the preparation method of the arbitrary claim of claim 1-5, the tube wall that it is characterized in that it from outward appearance to inner essence is covered with irregular crooked micropore, described micropore is evenly distributed, and the size of micropore size can make hydrone and fertilizer, pesticide molecule pass.
7. micropore infiltrating irrigation pipeline according to claim 6, the density that it is characterized in that it is 40-110kg/m
3, pipe thickness is 1.5-3mm.
8. micropore infiltrating irrigation pipeline according to claim 6, the operating pressure that it is characterized in that it is the 0.1-0.5 kilogram, its water percolating capacity is 1.4-4.2kg/min.
9. micropore infiltrating irrigation pipeline according to claim 6, the infiltration effective length that it is characterized in that it is 40-80m.
10. micropore infiltrating irrigation pipeline according to claim 6, water infiltration soil texture state is trapezoidal when it is characterized in that its work, and generally when work 15min, infiltration soil upper width is 15-20cm, and soil is 12-18cm down, and permeability is 50-60cm/15min.
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|---|---|---|---|
| CN200610152776A CN101152639B (en) | 2006-09-29 | 2006-09-29 | Micropore infiltrating tube manufacture method and product therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610152776A CN101152639B (en) | 2006-09-29 | 2006-09-29 | Micropore infiltrating tube manufacture method and product therefor |
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| CN101152639A CN101152639A (en) | 2008-04-02 |
| CN101152639B true CN101152639B (en) | 2010-05-19 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746547B (en) * | 2012-04-23 | 2014-05-14 | 深圳市鑫康沃科技开发有限公司 | Capillary penetration micro irrigation material and preparation method thereof |
| CN102907294B (en) * | 2012-04-23 | 2014-10-29 | 深圳市鑫康沃科技开发有限公司 | Infiltrating micro-irrigation system |
| CN103372505B (en) * | 2012-04-23 | 2016-04-27 | 深圳市鑫康沃科技开发有限公司 | A kind of infiltration micro irrigation pipe and preparation method thereof |
| CN103804816A (en) * | 2012-11-13 | 2014-05-21 | 翁柳杰 | Seepage irrigation pipe and production method thereof |
| CN107652630A (en) * | 2017-09-29 | 2018-02-02 | 南京晟强橡塑有限公司 | A kind of porous rubber-plastic soakaway trench |
| CN107548864B (en) * | 2017-10-20 | 2020-02-28 | 北京星河园林景观工程有限公司 | Big tree planting method for coastal saline-alkali soil |
| CN111978619B (en) * | 2020-09-04 | 2022-05-10 | 莱芜华亚超高分子材料科技有限公司 | Nano water-saving pipe |
Citations (6)
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| US4003408A (en) * | 1974-02-26 | 1977-01-18 | George C. Ballas, trustee | Underground irrigation porous pipe |
| US5368235A (en) * | 1990-08-09 | 1994-11-29 | Plastic Specialties And Technologies, Inc. | Soaker hose assembly |
| CN1187934A (en) * | 1997-01-15 | 1998-07-22 | 孟宪文 | Agricultural plastic infiltrating irrigation pipe |
| CN2373991Y (en) * | 1999-06-10 | 2000-04-19 | 郭绍良 | Multiporous infiltration tube |
| CN1287918A (en) * | 1999-09-09 | 2001-03-21 | 鞠远胜 | Plastic infiltrating irrigation pipe and processing technology |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101152639A (en) | 2008-04-02 |
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