CN1536007A - Microgravity infiltrating irrigation tube, its preparation process and application in greenhouse - Google Patents
Microgravity infiltrating irrigation tube, its preparation process and application in greenhouse Download PDFInfo
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- CN1536007A CN1536007A CNA031114032A CN03111403A CN1536007A CN 1536007 A CN1536007 A CN 1536007A CN A031114032 A CNA031114032 A CN A031114032A CN 03111403 A CN03111403 A CN 03111403A CN 1536007 A CN1536007 A CN 1536007A
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Abstract
The present invention discloses a microgravity percolation-irrigating pipe, its preparation method and application in greenhouse. The composition of raw material components for making said microgravity percolation-irrigating pipe includes (wt%) 45-70% of rubber powder, 18-48% of high-pressure polyethylene, 3-8% of low pressure polyethylene, 0-5% of polyester, 0.1-1% of lubricating agent, 0.05-1% of foaming agent, 0.01-0.05% of initiator, 1-5% of forming agent and 0.1-0.3% of colouring agent. Its preparation method includes the following steps: uniformly stirring above-mentioned raw material at normal temp., heating to 90-100 deg.C, making prethermoplastification, continuously stirring for 10-30 min, cooling to below 80 deg.C, discharging material, melting and plasticizing at 145-210 deg.C, feeding said material into mould, extruding, cooling, drawing so as to obtain the invented product. Said invention also provides its application method.
Description
Technical field
The present invention relates to infiltration irrigation technology, be specially a kind of microgravity percolation-irrigating pipe and preparation technology thereof and in application in greenhouse.
Background technology
At present, China's farmland water-saving is irrigated employed technology and mostly is pipe filling and little, spray irrigation economize technology, the pipe that use in the farmland irritate and little, spray that it is big to irrigate one-time investment, and used equipment farm work inconvenience, fragile, maintenance cost is big, wherein, pouring water in little, the sprinkling irrigation that equipment easily stops up is the greatest problem that exists.The farmland use is little, sprinkling irrigation also easily causes salt accumulation and the development of restriction farm crop root system, and especially in melon and fruit, the sprinkling irrigation of vegetables florescence, can influence pollinates causes the underproduction.
Summary of the invention
The object of the present invention is to provide that a kind of permeability is good, infiltration evenly, the good microgravity percolation-irrigating pipe of anti-blocking performance;
Another object of the present invention is to provide a kind of production technique simple microgravity percolation-irrigating pipe preparation technology;
Of the present invention time a purpose is to provide a kind of microgravity percolation-irrigating pipe in application in greenhouse.
Technical scheme of the present invention is:
A kind of microgravity percolation-irrigating pipe is characterized in that the component of described infiltrating irrigation pipe and weight percentage are:
Rubber powder: 45-70%; High-pressure polyethylene: 18-48%; Low pressure polyethylene: 3-8%; Polyester: 0-5%; Lubricant: 0.1-1%; Whipping agent: 0.05-1%; Initiator: 0.01-0.5%; Forming agent: 1-5%; Tinting material: 0.1-0.3%.
Described rubber powder particle diameter is≤0.25mm.
Described infiltrating irrigation external diameter of pipe is 10-20mm, and thickness of pipe is 2.0-3.0mm, and the micropore size distribution range is 0.01-0.4mm in the tube wall.
Described lubricant is one of paraffin, whiteruss, polyethylene wax, stearic acid or is mixed; Described initiator is one of manganese oxide, barium stearate or is mixed; Described forming agent is one of magnesium hydroxide, carbide of calcium or is mixed; Described tinting material is a carbon black; Described whipping agent is the AC whipping agent.
The preparation technology of described microgravity percolation-irrigating pipe is characterized in that:
1) presses described weight percent content with rubber powder, high-pressure polyethylene, low pressure polyethylene, polyester, lubricant, whipping agent, initiator, tinting material and forming agent, stir at normal temperatures, stir and be warmed up to 90-100 ℃, carry out pre-thermoplastification;
2) continue to stir 10-30 minute, stir and cool to 80 ℃ with bottom discharge;
3) behind fusion plastification between 145-210 ℃, enter mould and extrude, cooling, traction form product.
Described microgravity percolation-irrigating pipe is characterized in that in application in greenhouse: lay 1 microgravity percolation-irrigating pipe every 0.6-1m, imbed underground 10-15cm, directly supply water by water tank or water pump, water enters the infiltrating irrigation pipe by water pipe after filtering through filter.
Described strainer adopts valve control flooding quantity, fertilizer applicator is imported and exported with the valve of controlled filter device flooding quantity respectively be connected.
Described fertilizer applicator is differential fertilizer applicator.
Described strainer adopts stacked or 200 order gauze strainers.
The long 50-120m in described greenhouse, wide 6-7.5m, water pipe diameter are 32-40mm, its material is a polyethylene tube.
The microgravity percolation-irrigating pipe technical parameter:
External diameter (mm): 10-20
Thickness of pipe (mm): 2.0-3.0
Tensile break strength (MPa): 3.5-4.0
Micropore size distribution range (mm): 0.01-0.4 in the tube wall
Operating pressure (MPa) :≤0.02
Burstpressures (MPa): 〉=0.7
Seepage rate (L/hm): 10-50 (0.02MPa)
Infiltration uniformity ratio (K%): 〉=92
The invention has the beneficial effects as follows:
1. prescription rationally, production technique is simple, raw material sources are extensive, production cost is low, practical.Microgravity percolation-irrigating pipe of the present invention and preparation technology thereof and in the application in greenhouse technology, specially at China's agricultural present situation and the water saving irrigation product of the suitable national conditions of especial manufacture, it combines advanced person's irrigation technique with traditional irrigation conditions, the peasant is not being changed under the existing irrigation conditions, use state-of-the-art irrigation equipment, this technological operation is simple, only depend on the natural atmosphere pressure of 50cm drop just can drive the whole system operation, it is flexible to plant the plant spacing in the rows, as long as near the infiltrating irrigation band of a complete connection, and this equipment is extensive to the adaptability at water source, can be well, the river, rainwater.
2. microgravity percolation-irrigating pipe of the present invention is composited by rubber plastic, and the surface is rough and uneven in surface, and tube wall is made up of countless tiny micropores, and fine and close consolidation shape is slightly flexible, the tool polynuclear plane, and permeability is good, and infiltration is even, and anti-blocking performance is good; In addition, in the microgravity percolation-irrigating pipe component high-pressure polyethylene, low pressure polyethylene are mixed use simultaneously, micropore is evenly distributed in the tube wall, the intensity of infiltrating irrigation pipe is higher, the irrigation system that is suitable for modern tillage method, its operation does not need pressure system, and is extremely low to the water source requirement, is advanced water-saving irrigation device.
3. microgravity percolation-irrigating pipe of the present invention can be embedded in around the farm crop, makes water directly act on crop root part, also can lay on ground; Use microgravity percolation-irrigating pipe soil prevented from caking, the face of land does not have ponding, and is not volatile, provides a kind of novel irrigation implement for greatly developing the farmland water-saving irrigation.
Description of drawings
Fig. 1 is a microgravity percolation-irrigating pipe production unit structural representation of the present invention.
Fig. 2 arranges synoptic diagram for the present invention is applied to embodiment 4 warmhouse booths (60 meters * 7 meters) microgravity percolation-irrigating field.
Fig. 3 arranges synoptic diagram for the present invention is applied to embodiment 5 warmhouse booths (120 meters * 7 meters) microgravity percolation-irrigating field.
Embodiment
Embodiment 1
The component of microgravity percolation-irrigating pipe and weight percentage thereof: regnerated rubber powder (particle diameter is≤0.25mm) 65% (w/w), high-pressure polyethylene 23% (w/w), low pressure polyethylene 5% (w/w), polyester 3.5% (w/w), whipping agent 0.7% (w/w), polyethylene wax 0.3% (w/w), barium stearate 0.3% (w/w), carbon black 0.2% (w/w), carbide of calcium 2%;
Microgravity percolation-irrigating pipe production unit structural representation as shown in Figure 1, the mixing tank 1 of mentioned component being put in proportion stirrer stirs, and stirs and is warmed up to 90 ℃, carries out pre-thermoplastification, continuously stirring 30 minutes, stirring cools to 80 ℃ with bottom discharge, adds extruding machine 4 by loading hopper 3, by power supply box 2 controls, behind 210 ℃ of fusion plastifications, extrude air pump 5 inflations, the 7 blowdown foul smell bodies of bleeding by mould 6, cool off through tank 8, by tractor 9 tractions, product is involved in coiler 10, forms product, the infiltrating irrigation external diameter of pipe is 15mm, thickness of pipe is 2.0mm, and micropore size is 0.05-0.2mm in the tube wall, seepage rate 20-40L/hm.
Difference from Example 1 is:
Get regnerated rubber powder (particle diameter for≤about 0.25mm) 70% (w/w), high-pressure polyethylene 20% (w/w), low pressure polyethylene 4% (w/w), polyester 2.5% (w/w), AC whipping agent 1% (w/w), paraffin 0.2% (w/w), stearic acid 0.1% (w/w), carbon black 0.2% (w/w), manganese oxide 0.5% (w/w), carbide of calcium 1.5%; Mentioned component is put into stirrer in proportion, stir and be warmed up to 100 ℃, carry out pre-thermoplastification, continuously stirring 20 minutes stirs and cools to 80 ℃ with bottom discharge, behind 200 ℃ of fusion plastifications, extrude cooling, traction by mould, rolling, form product, the infiltrating irrigation external diameter of pipe is 20mm, and thickness of pipe is 3.0mm, the micropore size distribution range is 0.1-0.3mm in the tube wall, seepage rate 40-50L/hm.
Difference from Example 1 is:
(particle diameter is≤0.177mm) 60% (w/w) to get regnerated rubber powder, high-pressure polyethylene 27% (w/w), low pressure polyethylene 7% (w/w), whipping agent 0.7% (w/w), paraffin 0.3% (w/w), manganese oxide 0.2% (w/w), barium stearate 0.3% (w/w), carbon black 0.2% (w/w), magnesium hydroxide 0.3% (w/w), carbide of calcium 4%; Mentioned component is put into stirrer in proportion, stir and be warmed up to 95 ℃, carry out pre-thermoplastification, continuously stirring 15 minutes stirs and cools to 80 ℃ with bottom discharge, behind 190 ℃ of fusion plastifications, extrude cooling, traction by mould, rolling, form product, the infiltrating irrigation external diameter of pipe is 10mm, and thickness of pipe is 2.0mm, the micropore size distribution range is 0.02-0.1mm in the tube wall, seepage rate 10-30L/hm.
Synoptic diagram is arranged in warmhouse booth (60 meters * 7 meters) microgravity percolation-irrigating field as shown in Figure 2, lay 1 infiltrating irrigation pipe 17 every 0.8m, imbed underground 10cm, directly supply water by water tank 11, water enters infiltrating irrigation pipe 17 by main pipe line 16 after laminated filter 15 filters, differential fertilizer applicator 14 is imported and exported with the valve 13 of controlled filter device 15 flooding quantitys respectively be connected, main pipe line 16 diameters are 32mm, and its material is a polyethylene tube;
The water of elevated tank 11 by hydraulic pipe 12, valve 13 controls, enters strainer 15 and filters, and the clear water after the filtration enters main pipe line 16 and is transported to infiltrating irrigation pipe 17, finishes the irrigation to crop in the greenhouse; When the crop growth needs applies fertilizer, can be by fertilizer applicator 14 fertilisings.
Synoptic diagram is arranged in warmhouse booth (120 meters * 7 meters) microgravity percolation-irrigating field as shown in Figure 3, lay 1 infiltrating irrigation pipe 17 every 1m, imbed underground 15cm, directly supply water by water tank 11, water enters infiltrating irrigation pipe 17 by two main pipe lines 23,24 after 200 order gauze strainers 15 filter, differential fertilizer applicator 14 is imported and exported with the valve 13 of controlled filter device 15 flooding quantitys respectively be connected, two main pipe line 23,24 diameters are 40mm, and its material is a polyethylene tube;
When warmhouse booth length surpasses 60 meters, adopt two main pipe line 23,24 water deliverys, to guarantee the homogeneity of pouring water in the warmhouse booth, the water of elevated tank 11, by hydraulic pipe 12, valve 13 controls, entering strainer 15 filters, by threeway 18 connecting bends 19, threeway 18 links to each other with sub valve 21,22 by valve connector 20 respectively with elbow 19, by the switching of the two main pipe lines 23,24 of sub valve 21,22 controls, closes sub valve 22, open sub valve 21, water enters main pipe line 23, irrigates by infiltrating irrigation pipe 17, finishes the irrigation to half chamber crop of back; Close sub valve 21, open sub valve 22, water enters main pipe line 24, irrigates by infiltrating irrigation pipe 17, finishes the irrigation to the first half chamber crop; When the crop growth needs applies fertilizer, can be by fertilizer applicator 14 fertilisings.
Claims (10)
1. microgravity percolation-irrigating pipe is characterized in that the component of described infiltrating irrigation pipe and weight percentage are:
Rubber powder: 45-70%; High-pressure polyethylene: 18-48%; Low pressure polyethylene: 3-8%; Polyester: 0-5%; Lubricant: 0.1-1%; Whipping agent: 0.05-1%; Initiator: 0.01-0.5%; Forming agent: 1-5%; Tinting material: 0.1-0.3%.
2. according to the described microgravity percolation-irrigating pipe of claim 1, it is characterized in that described rubber powder particle diameter is≤0.25mm.
3. according to the described microgravity percolation-irrigating pipe of claim 1, it is characterized in that described infiltrating irrigation external diameter of pipe is 10-20mm, thickness of pipe is 2.0-3.0mm, and the micropore size distribution range is 0.01-0.4mm in the tube wall.
4. according to the described microgravity percolation-irrigating pipe of claim 1, it is characterized in that described lubricant is one of paraffin, whiteruss, polyethylene wax, stearic acid or is mixed; Described initiator is one of manganese oxide, barium stearate or is mixed; Described forming agent is one of magnesium hydroxide, carbide of calcium or is mixed; Described tinting material is a carbon black; Described whipping agent is the AC whipping agent.
5. preparation technology according to the described microgravity percolation-irrigating pipe of claim 1 is characterized in that:
1) presses described weight percent content with rubber powder, high-pressure polyethylene, low pressure polyethylene, polyester, lubricant, whipping agent, initiator, tinting material and forming agent, stir at normal temperatures, stir and be warmed up to 90-100 ℃, carry out pre-thermoplastification;
2) continue to stir 10-30 minute, stir and cool to 80 ℃ with bottom discharge;
3) behind fusion plastification between 145-210 ℃, enter mould and extrude, cooling, traction form product.
One kind according to the described microgravity percolation-irrigating pipe of claim 1 in application in greenhouse, it is characterized in that: lay 1 infiltrating irrigation pipe every 0.6-1m, imbed underground 10-15cm, directly supply water by water tank or water pump, water enters the infiltrating irrigation pipe by water pipe after filtering through filter.
According to the described microgravity percolation-irrigating pipe of claim 6 in application in greenhouse, it is characterized in that: described strainer adopts valve control flooding quantity, fertilizer applicator is imported and exported with the valve of controlled filter device flooding quantity respectively be connected.
According to the described microgravity percolation-irrigating pipe of claim 7 in application in greenhouse, it is characterized in that: described fertilizer applicator is differential fertilizer applicator.
According to the described microgravity percolation-irrigating pipe of claim 6 in application in greenhouse, it is characterized in that: described strainer adopts stacked or 200 order gauze strainers.
According to the described microgravity percolation-irrigating pipe of claim 6 in application in greenhouse, it is characterized in that: the long 50-120m in described greenhouse, wide 6-7.5m, water pipe diameter are 32-40mm, its material is a polyethylene tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03111403 CN1226340C (en) | 2003-04-09 | 2003-04-09 | Microgravity infiltrating irrigation tube, its preparation process and application in greenhouse |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03111403 CN1226340C (en) | 2003-04-09 | 2003-04-09 | Microgravity infiltrating irrigation tube, its preparation process and application in greenhouse |
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| Publication Number | Publication Date |
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| CN1536007A true CN1536007A (en) | 2004-10-13 |
| CN1226340C CN1226340C (en) | 2005-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553740A (en) * | 2010-12-29 | 2012-07-11 | 中国科学院沈阳应用生态研究所 | Novel micro-irrigation belt and preparation method and application thereof |
| CN103030869A (en) * | 2012-12-18 | 2013-04-10 | 滁州凯凯建筑节能有限公司 | Polyethylene/polybutylece terephthalate (PBT) coated coconut shell powder particle blending foam material and preparation method thereof |
-
2003
- 2003-04-09 CN CN 03111403 patent/CN1226340C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553740A (en) * | 2010-12-29 | 2012-07-11 | 中国科学院沈阳应用生态研究所 | Novel micro-irrigation belt and preparation method and application thereof |
| CN103030869A (en) * | 2012-12-18 | 2013-04-10 | 滁州凯凯建筑节能有限公司 | Polyethylene/polybutylece terephthalate (PBT) coated coconut shell powder particle blending foam material and preparation method thereof |
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| Publication number | Publication date |
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| CN1226340C (en) | 2005-11-09 |
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