CN103804816A - Seepage irrigation pipe and production method thereof - Google Patents
Seepage irrigation pipe and production method thereof Download PDFInfo
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- CN103804816A CN103804816A CN201210464053.XA CN201210464053A CN103804816A CN 103804816 A CN103804816 A CN 103804816A CN 201210464053 A CN201210464053 A CN 201210464053A CN 103804816 A CN103804816 A CN 103804816A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/926—Flow or feed rate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
- B29C2948/92619—Diameter or circumference
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92923—Calibration, after-treatment or cooling zone
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a production method of a seepage irrigation pipe. The production method comprises the following steps: mixing and bagging by using a two-step method; mixing, plasticizing and extruding materials by using a conical double screw extruder, and sizing and cooling by using a vacuum sizing box; segmentally cutting a molded tubular product by using a rubber caterpillar tractor and an imprinting agricultural university and college cutter, and coiling. The invention further provides the seepage irrigation pipe manufactured by using the method. By adopting the technical scheme, a remarkable water-saving effect can be achieved. Meanwhile, microorganism slimy precipitate in a pipeline can be prevented. The seepage irrigation pipe manufactured by using the method can be buried into the ground or arranged on the ground surface for use, and can be taken as an irrigation emitter.
Description
Technical field
The present invention relates to the irrigation rig that a kind of agriculture, field of forestry are used, specially refer to one and have and buriedly mat formation and can be directly installed on earth's surface, the irrigation pipe directly using as douche after also can clod wash.
Background technology
It is always very slow that technical development is irrigate in China's slight irrigation, irrigates and generally only use purling and sprinkling irrigation in agroforestry field, until introduced after technology for 1974, micro irrigation technology is development to some extent, but external product is on the high side, is not well promoted in China.
Chinese patent literature ZL03257250.6 discloses one and has moulded rubber blend foaming soakaway trench, its tube wall surrounding be only covered with can be under the 10-20 times of magnifying glass could obvious clear demonstration micropore, institute's micropore is miserable water pore in irregular shape, after water in pipe infiltrates and hastens towards saturation under very little water pressure, due to syphonic effect, water just oozes out along all directions of tube wall surrounding, thereby reaches irrigation object.And Chinese patent ZL200610152776.0 discloses a kind of preparation method of micropore infiltrating irrigation pipeline on the basis of above-mentioned patent, the method comprises the following steps: (1) pulverizes respectively clean rubber and plastics into 45-70 object powdery, and the two mixes with the ratio that is respectively by weight 55-75 part and 20-40 part; (2), after 2-4 part petroleum resin, 0.4-0.6 part whipping agent, 0.4-0.6 part thermo-stabilizer and 0.6-1.4 part ethylene-vinyl acetate copolymer, stir 20-40min, granulation to adding by weight in said mixture; (3) by gained particle extrusion molding in step (2).But the irrigation pipe function singleness that uses this patented method to manufacture, water-saving result is not obvious, exists certain defect.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of infiltration irrigation pipe.
Another object of the present invention is to provide a kind of production method of the irrigation pipe that seeps water.The irrigation pipe of producing according to this method can buriedly be mated formation and can directly mat formation on earth's surface, simultaneously also can be on-the-spot with directly using as douche after hand clod wash formation desired shape.
In order to solve the problems of the technologies described above, the invention provides a kind of production method of the irrigation pipe that seeps water, comprise the following steps:
(1), by 100 parts of PVC calcium carbide route resin-oatmeals, 7 parts of rubber powders, 5 parts of nitrile rubber powders, 2 parts, PE wax, 3.5 parts of Lead salt thermal stabilizers, CPE4 part, ACR2.5 part and 1-2 part carbon black by weight mix after, be uniformly mixed at a certain temperature for some time;
(2), after each material of step (1) stirs substantially, add 4 parts of dibutyl esters, 15 parts of whipping agents, 4 parts of UV anti-agents, 22 parts of light calcium carbonates, 12 parts of short glass fibers and 2.3 Fen Shi Que, heating, mix;
(3), will step (2) gained article extrude after plasticizing, cooling through vacuum shaping box sizing;
(4), with metering cutting machine and double-position winding machine, step (3) products obtained therefrom segmentation is cut to rear rolling.
Adopt this two step method above-mentioned material to be thrown in to the method for mixing, can guarantee the abundant stirring of compound and avoid to greatest extent the demixing phenomenon of compound.
Further, the certain temperature in described step (1) is set as 78 ℃, and for some time is set as 18min, and in this temperature and time, compound can stir substantially.
Further, the Heating temperature in described step (2) is 125 ℃, and at this temperature, light calcium carbonate and the short glass fiber etc. of lighter weight can not be stirred to top because of the centrifugal action stirring, and causes and can not fully mix.
Further, in described step (3), the pressure setting of vacuum shaping box is-0.03Mpa to be conducive to the plasticizing forming of material.
Adopt this kind of production method, the technique effect of generation is:
Adopt two step method to throw in material, utilize the special property of material itself, guarantee that material is fully uniformly mixed at mix stages, form loose powder mixture, meanwhile, in process of production, owing to can passing through to change different diameter cores, change the injected volume of auxiliary agent in formula, therefore can produce the irrigation pipe of different diameter and different thickness of pipe.
The present invention also provides a kind of irrigation pipe that uses aforementioned production method to manufacture, and described irrigation pipe is made up of the body of an inner hollow, and body is respectively foaming layer and PVC outer wall from inside to outside, and numerous random capillary-size pories are distributing on described body.
Further, described irrigation pipe internal diameter is 8mm, and operating pressure is 50～300KPa, and in pipe, every meter of flow is 5～14m/L.
The technique effect that this irrigation pipe produces is: can buriedly mat formation and can directly mat formation on earth's surface, and simultaneously also can be on-the-spot with directly using as douche after hand clod wash formation desired shape.In material due to tubing, added carbon black, making tubing color is black, can intercept solar radiation, destroys the necessary photosynthesis of breeding of microorganism in water, therefore, can have microbial sludge throw out, causes the obstruction of pore.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of production process of the present invention;
Fig. 2 is the structural representation of irrigation pipe of the present invention;
Fig. 3 be irrigation pipe A-A of the present invention to cut-away view;
Wherein: 1-PVC outer wall; 2-foaming layer; 3-capillary-size pore.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
One,, from accompanying drawing, the present invention mainly uses following production unit.
(1) 51 conical double-screw plastics extruder: heating-conical double-screw by compound in barrel, carry, shearing, melt and dissolved, plasticizing, and under vacuum environment by remaining compound moisture content extraction, post-foaming, plastify extrusion neck ring mold again;
(2) vacuum shaping box: the calibration sleeve of pre-installing by equipment head end enters water and drenches vacuum chamber through water pouring vacuum sizing fast cooling;
(3) rubber caterpillar-tractor: the tubing of drawing from vacuum shaping box is clamped by the compressing of operating rubber crawler belt and carries out sync pulling simultaneously, pulling speed must be faster 1% than forcing machine extruded velocity, to guarantee the roundness of tubing;
(4) metering cutting machine: the rotation by the disk of carving characters is carried out accurate metering thermoprint to outer pipe wall immediately online, and the pneumatic cutting machine of automatic startup carries out segmentation cutting to tubing in the time that tubing reaches preset value;
(5) double-position winding machine: the variable section closed reel being driven by buncher rotates rolling gets final product rapid adjustment jig after closed reel completes the tubing of predetermined length, goods can be taken out.And the tubing of online production is sandwiched to another station closed reel continuation rolling production.
Two, main production raw material formula for raw stock operation instruction of the present invention.
Three, concrete production technique
1, mixing procedure:
Because of as lighter in short glass fiber, light calcium carbonate weight in batching composition, effect because of centrifugal force in spice process can be stirred to powder top, and dibutyl ester whipping agent, UV anti-agent, material are that liquid, long-time stirring can partly be vaporized because of continuous high temperature.For guaranteeing the abundant stirring of compound and avoiding to greatest extent stirring the demixing phenomenon of material.Need to take two step method that material is thrown in to the mixed storehouse of heat and stir, and by the adhesive power that angle produces the lighter short glass fiber of weight, light calcium carbonate that melts of liquid dibutyl ester, whipping agent and stone Que, impel the stirring that is uniformly distributed of stirring material.
Algorithm: first by SG-5 type PCV calcium carbide route resin-oatmeal, butadiene acrylonitrile rubber powder, rubber powder, PE wax, Lead salt thermal stabilizer, CPE, ACR, carbon blacks etc. first drop into the mixed storehouse of heat in proportion, Temperature Setting is 78 ℃, motor speed is made as height and turns, timing 18 minutes, powder stirs substantially in this humidity province, after shutdown, drop into again dibutyl ester, whipping agent, UV anti-agent, light calcium carbonate, short glass fiber, Shi Que drops into the mixed storehouse of heat in proportion, temperature is made as 125 ℃, motor is first high turns 5 minutes, Shi Que melts completely in this section, again motor speed is made as to low turning, a little less than light material is subject to centrifugal forces affect under this rotating speed, liquid adjuvants can fully adhere to compound in this section, with the uniformity coefficient of form maximum.After setting-up time arrives; compound can enter cold mixed storehouse; cold mixed storehouse Temperature Setting is 60 ℃; start water-cooling system; compound carries out, under the comprehensive cooling conditions of stirring at low speed, air cooling, water-cooled, completing abundant final mixing stage, the powder mixture that form is loose in cold mixed storehouse; when compound reaches while being fixed temperature, can shut down discharging pack.
2, expressing technique
(1) compound, by the relative movement of conical double-screw in vacuum barrel, produces the carrying out of shearing force and material conveying, continuously compound is completed in barrel to the preheating of following Four processes material, material melting, vacuum plasticizing, high pressure and extrudes.
A, material preheating: 165 ℃～168 ℃ of warm areas.
Process explanation: mixed powder can complete the preliminary preheating of powder in this warm area, and start melting agglutination mud, be convenient to screw rod transmission.As lower than this temperature, powder can skid in barrel, and screw rod cannot fully be carried, and powder can, in melting section by vacuum pump sucking-off, cause waste.As higher than this temperature, powder can enter melting state in advance, can cause residual water-content to separate out, and can cause polyvinyl chloride resin powder to shift to an earlier date thermolysis, directly causes Lead salt thermal stabilizer, dibutyl ester (BOP) to consume in advance.
B, material melting: 170 ℃～172 ℃ of warm areas.
Process explanation, material is held in this section the heating that continues, and melting becomes clay shape, and residual part of water volatilization escaped to barrel top, extracted out by vacuum pump in good time, and this section of screw rod pitch smaller, provides powerful shearing force, and clay is stirred, also continues to carry backward by the degree of depth.Material, as lower than this temperature, cannot be completed into clay, and remaining moisture content cannot be separated out, and goods inside and outside wall there will be bubble, and as higher than this temperature, material can skid in screw rod transmission process, causes extrusion capacity to reduce.
C, vacuum plasticizing: 166 ℃～168 ℃ of warm areas.
Material is located perfect vacuum state in this section, screw rod pitch smaller, and lead salt stabilizer, dibutyl ester enter optimum Working, and material is washed and under condition, is completed last plasticizing process in the work of high temperature, high shear force, high pressure.Temperature is too low, and material fluidity reduces, and not exclusively, as excess Temperature, lead salt stabilizer, dibutyl ester can accelerate to consume, and easily cause material heat to decompose in advance in goods plasticizing, and guide rule plastifies unsuccessfully.
D, high pressure are extruded: 185 ℃～188 ℃ of warm areas.
Material completes plasticizing in this section, and extrusion mould-outlet can be shaped, and for improving the tightness of goods, strengthens toughness, the impact-resistance of goods, changes flow to improve extrusion pressure at extrusion neck ring mold, and material is under high pressure extruded smoothly.As too low in temperature, to extrude resistance and become large, material lagging barrel time lengthening, also produces localized heat and decomposes, and as excess Temperature, material fluidity is strengthened, and can reduce mouth and touch pressure, and goods toughness, impact-resistance can reduce.
(2) taper is with screw extrusion press screw speed: 24 revs/min.
(3) vacuum shaping box pressure :-0.03MPa.
(4) tractor speed: faster than forcing machine 1%.
(5) metering speed: type wheel rotation rice one Monday; Cut coverage: 1m～300m.
(6) winder rotating speed, adjustable at random.
Four, about the diameter of irrigation pipe, tube wall is adjusted problem.
1, diameter is adjustable: in process of production, by changing the mould of different diameter, calibration sleeve can be produced the goods of different bores.
2, thickness can be established: in process of production, by changing the core of different diameter, can produce the goods of different wall.
3, flow can be established: in process of production, can produce the goods of various flows discharge by the change of auxiliary agent injected volume in formula.
Example: whipping agent is adjusted into 25 parts, and rubber powder is adjusted into 12 parts, and light calcium carbonate is adjusted into 7 parts, and dibutyl ester is adjusted into 9 parts, makes DN 12mm, and the infiltrating irrigation pipe goods of wall thickness 3mm can be made 7L/h, the goods of flow.
4, shape is adjustable: goods are because having added dibutyl ester, the relevant additives for plasticss such as butadiene acrylonitrile rubber powder PVC, possesses the performance of clod wash, can be at the scene curve slowly required different shape with slow with one's hands, as circle, semicircle, ellipse, S shape etc., by general fast fetching water swivel, can use as douche.Directly replace tradition as drip the like products such as arrow, annular douche, micro path emitter.
Five, use-pattern and use properties
The root system water saving irrigation that the present invention is applicable to indoor and outdoor, buried, earth's surface, warmhouse booth etc. is used.When use, product of the present invention can be buried to the root system below in root system crop, the product of the present invention of also can directly directly mating formation in the root system top of crop.
When this product uses, if bore is 8mm, operating pressure 50～300MPa, in pipe, every meter of flow is approximately 5～14L/m; Same, if bore is 12mm, operating pressure 50～300MPa, in pipe, every meter of flow is approximately 6～17L/m.
The above is preferred embodiment of the present invention, according to the thought of the embodiment of the present invention, in embodiment and application, all will change, and this description should not be construed as limitation of the present invention.
Claims (6)
1. the seep water production method of irrigation pipe, comprises the following steps:
(1), by 100 parts of PVC calcium carbide route resin-oatmeals, 7 parts of rubber powders, 5 parts of nitrile rubber powders, 2 parts, PE wax, 3.5 parts of Lead salt thermal stabilizers, CPE4 part, ACR2.5 part and 1-2 part carbon black by weight mix after, be uniformly mixed at a certain temperature for some time;
(2), after each material of step (1) stirs substantially, add 4 parts of dibutyl esters, 15 parts of whipping agents, 4 parts of UV anti-agents, 22 parts of light calcium carbonates, 12 parts of short glass fibers and 2.3 Fen Shi Que, heating, mix;
(3), will step (2) gained article extrude after plasticizing, cooling through vacuum shaping box sizing;
(4), with metering cutting machine and double-position winding machine, step (3) products obtained therefrom segmentation is cut to rear rolling.
2. the production method of infiltration irrigation pipe according to claim 1, is characterized in that: the certain temperature in described step (1) is set as 78 ℃, and for some time is set as 18min.
3. the production method of infiltration irrigation pipe according to claim 1, is characterized in that: the Heating temperature in described step (2) is 125 ℃.
4. the production method of infiltration irrigation pipe according to claim 1, is characterized in that: in described step (3), the pressure setting of vacuum shaping box is-0.03MPa.
5. one kind according to the prepared irrigation pipe of any one production method in claim 1-4, it is characterized in that: described irrigation pipe is made up of the body of an inner hollow, body is respectively foaming layer and PVC outer wall from inside to outside, and numerous random capillary-size pories are distributing on described body.
6. irrigation pipe according to claim 5, is characterized in that: described irrigation pipe internal diameter is 8mm, and operating pressure is 50～300KPa, and in pipe, every meter of flow is 5～14L/m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464053.XA CN103804816A (en) | 2012-11-13 | 2012-11-13 | Seepage irrigation pipe and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464053.XA CN103804816A (en) | 2012-11-13 | 2012-11-13 | Seepage irrigation pipe and production method thereof |
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| Publication Number | Publication Date |
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| CN103804816A true CN103804816A (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210464053.XA Pending CN103804816A (en) | 2012-11-13 | 2012-11-13 | Seepage irrigation pipe and production method thereof |
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| Country | Link |
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| CN (1) | CN103804816A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018098608A1 (en) * | 2016-11-29 | 2018-06-07 | 吕林霖 | Automatic infiltration irrigation pipe moulding production line and moulding process |
| CN108859050A (en) * | 2018-07-10 | 2018-11-23 | 宁夏大学 | It is a kind of to be discharged and do not go out water spacer pipe for osmotic irrigation processing technology |
| CN114210520A (en) * | 2021-12-08 | 2022-03-22 | 佛山市亨力豪机械有限公司 | Glue spraying machine |
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| GB1252116A (en) * | 1969-04-28 | 1971-11-03 | ||
| CN1560126A (en) * | 2004-03-10 | 2005-01-05 | 谢志伟 | Polymeric composite and preparation process and application thereof |
| CN101152639A (en) * | 2006-09-29 | 2008-04-02 | 台州标新铝塑工业有限公司 | Micropore infiltrating irrigation pipeline |
| CN101233818A (en) * | 2007-02-01 | 2008-08-06 | 杨庆理 | Water permeating pipeline, film or container for agricultural irrigation, manufacturing method and uses thereof |
| CN102702644A (en) * | 2012-06-02 | 2012-10-03 | 安徽玉发塑业有限公司 | Cold bending electrical protective casing and manufacturing method thereof |
| CN102907294A (en) * | 2012-04-23 | 2013-02-06 | 深圳市鑫康沃科技开发有限公司 | Infiltrating micro-irrigation system |
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2012
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1252116A (en) * | 1969-04-28 | 1971-11-03 | ||
| CN1560126A (en) * | 2004-03-10 | 2005-01-05 | 谢志伟 | Polymeric composite and preparation process and application thereof |
| CN101152639A (en) * | 2006-09-29 | 2008-04-02 | 台州标新铝塑工业有限公司 | Micropore infiltrating irrigation pipeline |
| CN101233818A (en) * | 2007-02-01 | 2008-08-06 | 杨庆理 | Water permeating pipeline, film or container for agricultural irrigation, manufacturing method and uses thereof |
| CN102907294A (en) * | 2012-04-23 | 2013-02-06 | 深圳市鑫康沃科技开发有限公司 | Infiltrating micro-irrigation system |
| CN102702644A (en) * | 2012-06-02 | 2012-10-03 | 安徽玉发塑业有限公司 | Cold bending electrical protective casing and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 高俊刚，杨丽庭 等: "《改性聚氯乙烯新材料》", 31 October 2002, 化学工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018098608A1 (en) * | 2016-11-29 | 2018-06-07 | 吕林霖 | Automatic infiltration irrigation pipe moulding production line and moulding process |
| CN108859050A (en) * | 2018-07-10 | 2018-11-23 | 宁夏大学 | It is a kind of to be discharged and do not go out water spacer pipe for osmotic irrigation processing technology |
| CN108859050B (en) * | 2018-07-10 | 2024-01-16 | 宁夏大学 | Processing technology of water outlet and water non-outlet interval infiltrating irrigation pipeline |
| CN114210520A (en) * | 2021-12-08 | 2022-03-22 | 佛山市亨力豪机械有限公司 | Glue spraying machine |
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Application publication date: 20140521 |