CN103770308B - Irrigate with double-deck PE pipe preparation method and equipment thereof - Google Patents
Irrigate with double-deck PE pipe preparation method and equipment thereof Download PDFInfo
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- CN103770308B CN103770308B CN201310726435.XA CN201310726435A CN103770308B CN 103770308 B CN103770308 B CN 103770308B CN 201310726435 A CN201310726435 A CN 201310726435A CN 103770308 B CN103770308 B CN 103770308B
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- irrigation
- water tank
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- 238000002360 preparation method Methods 0.000 title claims description 18
- 238000001816 cooling Methods 0.000 claims abstract description 54
- 238000003973 irrigation Methods 0.000 claims abstract description 53
- 230000002262 irrigation Effects 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000004513 sizing Methods 0.000 claims abstract description 23
- 238000003860 storage Methods 0.000 claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims abstract description 15
- 239000000498 cooling water Substances 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 9
- 239000004698 Polyethylene Substances 0.000 claims description 82
- 239000002994 raw material Substances 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 10
- 229920001903 high density polyethylene Polymers 0.000 claims description 9
- 239000004700 high-density polyethylene Substances 0.000 claims description 9
- 229920001684 low density polyethylene Polymers 0.000 claims description 9
- 239000004702 low-density polyethylene Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 6
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 6
- 230000003712 anti-aging effect Effects 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 239000004595 color masterbatch Substances 0.000 claims description 4
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- 241000802181 Acraga goes Species 0.000 claims 1
- 238000009472 formulation Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 230000032683 aging Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000002045 lasting effect Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
Classifications
-
- 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
- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/17—Articles comprising two or more components, e.g. co-extruded layers the components having different colours
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/005—Hoses, i.e. flexible
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of irrigation double-deck PE pipe making apparatus, has the feature that and include: three-layer co-extruded machine have three extruders and three layers of composite machine head, extrudes colored target bilayer PE pipe；Vacuum sizing cooling device, including vacuum water tank and storage tank, storage tank is connected with vacuum water tank, and the double-deck PE pipe of extrusion is carried out sizing and cooled down；Cooling device, including the gentle ice chest of cooling water tank, manages cooling further to the double-deck PE after sizing；Winding machine, furls the double-deck PE pipe completing cooling；And double-tractor, it is provided that the pulling force that double-deck PE pipe moves.Have an advantage in that produce PE pipe good toughness, intensity is high, inside and outside wall is smooth, ageing resistace good, ensure that the uniformity of wall thickness to greatest extent, substantially increase the stability of production and reduce production cost.
Description
Technical field
The present invention relates to a kind of PE pipe preparation method and equipment thereof, particularly relate to a kind of irrigation double-deck
PE pipe preparation method and equipment thereof.
Background technology
The mode of production of irrigation PE feed pipe also exists many defects at present.The most all use
Be individual layer extrusion and 2 layers of (color scale line) technology, cost is high, and efficiency is low.Single former material
Material formula makes the PE pipe toughness ageing resistace produced bad, and service life is the longest.One
Or the gel quantity of the mode of production of two extruders cannot meet.
The existing mode operation principle that vacuumizes is to arrange a pipeline and vacuum pump phase in vacuum water tank
Even, pipe outlet is higher than horizontal plane, is taken away controlling in water tank by vavuum pump work, water tank shaped
Becoming vacuum state to deposit, there is the unstable situation of vacuum in this technology and water level enters vacuum sometimes
Pipeline causes the situation of fault, as long as vacuum is unstable, the tubing produced is the most defective,
Cause and scrap.
Existing irrigation PE pipe produces the water-cooled that the type of cooling is about 6 meters, when producing big specification
Tubing time, cooling effect is very poor, it is impossible to cool down tubing very well, causes the reduction of speed of production,
And it is directly entered mark equipment, because water taken out of by tubing, to print from cooling water tubing out
The infringement of subset is the biggest.
Single tractor is because the running part of belt or crawler belt is uniform and abrasion just often results in tractive force
The wall unevenness of the uneven tubing in turn resulting in production even, affect product quality.
Therefore, how the double-deck PE pipe making side of irrigation that a kind of production efficiency is high and quality is high is provided
Method and equipment thereof are the problems needing solution badly.
Summary of the invention
For problems of the prior art mentioned above, it is an object of the invention to provide one
The double-deck PE pipe preparation method of the irrigation that production efficiency is high and quality is high and equipment thereof.
The present invention provides a kind of irrigation double-deck PE pipe preparation method, has the feature that, including
Following steps:
Step A. goes out internal layer raw material, outer layer raw material by formulation ratio, the driest；
Internal layer raw material, outer layer raw material and colour code raw material are put into the material of three-layer co-extruded machine by step B. respectively
In cylinder, three layers of three-layer co-extruded composite machine head extrude the double-deck PE of irrigation with colour code simultaneously
Pipe；
Step C. vacuum sizing cooling device additionally arranges an external water storage outside vacuum water tank
Case, two water tanks are connected, and vavuum pump is connected with external storage tank, and vavuum pump is drained external storage tank
In air so that allow vacuum water tank vacuum；Calibration sleeve and vacuum water tank PE pipe double-deck to irrigation enter
Row sizing, carries out vacuum cooled simultaneously；
After step E. carries out water-cooled, enter back into air cooling case and carry out air cooling；
Step G. winding machine carries out rolling.
Further, the present invention provides a kind of irrigation double-deck PE pipe preparation method, it is also possible to have this
The feature of sample: wherein, the outer layer composition of raw materials in step A is:
LDPE (low density polyethylene (LDPE)) 65%,
HDPE (high density polyethylene (HDPE)) 15%,
LLDPE (LLDPE) 5%,
EPE (metallocene PE propylene copolymer and polypropylene blend) 5%,
Carbon black color masterbatch 5029A 5%,
Anti-aging master batch 2,760 5%.
Further, the present invention provides a kind of irrigation double-deck PE pipe preparation method, it is also possible to have this
The feature of sample: F the most in steps between step E and step G: PE pipe double-deck to irrigation prints
Word.
Further, the present invention provides a kind of irrigation double-deck PE pipe preparation method, it is also possible to have this
The feature of sample: in step B, internal layer raw material also filters before extrusion molding.
Further, the present invention provides a kind of irrigation double-deck PE pipe preparation method, it is also possible to have this
The feature of sample: after step E is 8 meters of water-cooleds, then carry out 4 meters of air cooling case air cooling.
It addition, the present invention provides a kind of irrigation double-deck PE pipe making apparatus, have the feature that
Including: three-layer co-extruded machine, there are three extruders and three layers of composite machine head, extrude colored target and fill
Irrigate with double-deck PE pipe；Vacuum sizing cooling device, including vacuum water tank and external storage tank, external
Storage tank is arranged on outside vacuum water tank, and two water tanks are connected, and vavuum pump is connected with external storage tank,
Vavuum pump is drained the air in external storage tank and then allow vacuum water tank vacuum；Irrigation to extrusion is used
Double-deck PE pipe carries out sizing and cools down；Cooling device, including the gentle ice chest of cooling water tank, to sizing
After irrigation with double-deck PE pipe cooling further；Winding machine, by double-deck for the irrigation completing cooling
PE pipe furls；And double-tractor, it is provided that the pulling force that the double-deck PE pipe of irrigation moves.
Further, the present invention provides a kind of irrigation double-deck PE pipe making apparatus, it is also possible to have this
The feature of sample: any one extruder in three-layer co-extruded machine has filter.
Further, the present invention provides a kind of irrigation double-deck PE pipe making apparatus, it is also possible to have this
The feature of sample: filter includes filtering entrance, filter stick, filtration channel and connection die head；Cross
Filter entrance one end connects with the screw outlet of extruder, and the other end connects with the entrance of filter stick；Cross
Filter stick is pole, and pole has several filter bores；One end of filtration channel exports with filter stick
Connection, the other end and the entrance connection being connected die head；The outlet of connection die head and three layers of composite machine head
Connection.
Further, the present invention provides a kind of irrigation double-deck PE pipe making apparatus, it is also possible to have this
The feature of sample: a length of 8 meters of cooling water tank, a length of 4 meters of air cooling case.
Further, the present invention provides a kind of irrigation double-deck PE pipe making apparatus, it is also possible to have this
The feature of sample: also include inker, be arranged between cooling device and winding machine.
The beneficial effect of the invention
Irrigation double-deck PE pipe preparation method and the equipment thereof provided according to the present invention, because outer layer is former
The unique formula of material increases the hardness of tubing, the PE pipe good toughness produced, intensity height, inside and outside wall
Smooth, ageing resistace good；Inner layer material uses the reworked material of 30%.Do not affecting pipe performance
On the basis of irrigate and have employed multilayer extrusion technology with PE feed pipe and improve production efficiency, reduce
Cost of material.Three-layer co-extruded machine can greatly reduce production while not affecting the performance of tubing
The cost of PE pipe, improves production efficiency.Vacuum sizing cooling device is because of vavuum pump and external water tank
Being connected, in there is not vacuum tank, water level is just on the impact that vacuum is stable, substantially increases production
Stability.The water-cooled of cooling device adds the mode of air cooling, the most greatly promotes the cooling speed of tubing
Degree, and protect the normal work of inker.Double-tractor setting is provided that draws more stably
Speed, ensure that the uniformity of wall thickness to greatest extent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the double-deck PE pipe making apparatus of irrigation.
Fig. 2 is the structural representation of three-layer co-extruded machine in the double-deck PE pipe making apparatus of irrigation.
Fig. 3 is the structural representation of filter in three-layer co-extruded machine.
Fig. 4 is the structural representation of vacuum sizing cooling device.
Fig. 5 is the front view of the double-deck PE pipe of irrigation.
Fig. 6 is the top view of the double-deck PE pipe of irrigation.
Fig. 7 is the process chart of the double-deck PE pipe preparation method of irrigation.
Detailed description of the invention
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the double-deck PE pipe making apparatus of irrigation.
As it is shown in figure 1, the double-deck PE pipe making apparatus of irrigation includes: three-layer co-extruded machine 10, true
Empty sizing cooling device 20, cooling device, inker 50, winding machine 60 and double-tractor 70.
Fig. 2 is the structural representation of three-layer co-extruded machine in the double-deck PE pipe making apparatus of irrigation.
As in figure 2 it is shown, three-layer co-extruded machine 10 include three layers of composite machine head 12 and with three layers of compounding machine
The 12 1# extruders connected, 2# extruder, 3# extruder, extrude colored target and irrigate with double
Layer PE pipe.1# extruder uses brand-new material to ensure performance and excellent outward appearance.2# extruder is adopted
With reclaimed materials as irrigating with the internal layer of PE pipe, the ratio of cooperation is fully achieved state through research test
The standard of family.3# extruder extrusion color scale line.Certainly, three extruders can change extruded stock
Set.Every extruder by raw material inspiration hopper, enters barrel by blanking pipe by Material sucking machine
In.Raw material is sheared, extrudes, is melted and preplasticizing by the screw rod of extruder.
The extruder head for one or two used in the market, and the most a few set and three machines
Head can greatly reduce the cost of irrigation PE pipe while not affecting the performance of tubing；Simultaneously
Head can also use flexibly, need make small dimension tubing time, can only open one or
Two heads, the when of needing the tubing making big specification, the gel quantity of one or two head
Just can be opened together by three heads when cannot meet and meet demand without the most individually
Buy the production line of a big specification.
2# extruder is also provided with filter 11.
Fig. 3 is the structural representation of filter in three-layer co-extruded machine.
As it is shown on figure 3, filter 11 includes filtering entrance 4, filter stick 5, filtration channel 6
With connection die head 7.Filter entrance 4 one end connect with the screw outlet of 2# extruder, the other end and
The entrance connection of filter stick 5.Filter stick 5 is pole, and pole has several filter bores.Cross
One end of filter passage 6 and filter stick 5 outlet, the other end and the entrance connection being connected die head 7.
The outlet connecting die head 7 connects with three layers of composite machine head 12.
The feed back used when 2# extruder is as the internal layer of tubing has some impurity in the feed,
After being provided with filtration system, can stop that impurity enters extrusion die by the screen pack of different meshes
Tool, thus protect mould and ensure that the quality of product.
Fig. 4 is the structural representation of vacuum sizing cooling device.
Vacuum sizing cooling device 20 includes calibration sleeve 21, vacuum water tank 22 and external storage tank, external storage
Water tank is connected with vacuum water tank 22, and the double-deck PE pipe of irrigation of extrusion is carried out sizing and cooled down.Just
The irrigation of one-step forming with double-deck PE pipe from die head out after, enter calibration sleeve 21, vacuum water tank from B hole
Because the reason of vacuum pump inside defines vacuum in 22, outside calibration sleeve 21, there are some little
Groove communicates with vacuum water tank 22, and the PE passed through pipe is inhaled outward by pull of vacuum by these grooves, A
The external diameter that size is the PE pipe designed, the PE pipe sizing of process is that we set by lasting suction
The outside dimension of meter, obtains the effect of sizing.The water of vacuum water tank 22 also plays cooling PE simultaneously
The effect of pipe.
Vacuum sizing cooling device 20 have employed the way of external vacuum water tank, at vacuum water tank 22
Outside additionally arranges an external storage tank, and the two water tank is connected by pipeline, and vavuum pump is with outward
Putting storage tank to be connected, vavuum pump is by the air drained in external storage tank and then allows vacuum water tank also
Reach the effect of vacuum, because vavuum pump is connected with external storage tank, there is not water level in vacuum tank
Just on the impact that vacuum is stable.
The existing mode operation principle that vacuumizes is to arrange a pipeline and vacuum pump phase in vacuum water tank
Even, pipe outlet is higher than horizontal plane, is taken away controlling in water tank by vavuum pump work, water tank shaped
Becoming vacuum state to deposit, there is situation and water level that vacuum is not unstable and enters sometimes very in this technology
Vacant duct causes the situation of fault, and vacuum only instability, the tubing produced the most necessarily has scarce
Fall into, cause and scrap.Vacuum sizing cooling device in the double-deck PE pipe making apparatus that the present invention provides
Substantially increase the stability of production.
Cooling device uses water-cooled and adds air cooling mode, including the gentle ice chest of cooling water tank, to fixed
Double-deck PE pipe cooling further behind footpath.Cooling water tank is 2 sections 4 meters long, the most totally 8 meters long cold
But water tank 30.It it is the air cooling case of 4 meters long after cooling water tank 30.Air cooling case 40 not only can be to bilayer
PE pipe cools down again, and is also blown down by the globule subsidiary on tubing in air cooling case, protection
The normal use of inker.
PE pipe temperature after vacuum sizing cooling, at 40-50 degree, enters the bosh of cooling water tank,
Becoming loaded with cooling water inside bosh, cooling water is water base the holding lowered the temperature through cooling tower
About 25 degree and always circulating holding water temperature, PE pipe entered the bosh of two 4 meters
Rear temperature reduces, and PE manages the sizing of complete basic forming and ovality, hardness and also completes at this.
Air cooling case 40 be PE pipe after water-cooled link, of arrival does not has the air cooling case of water, gas
The air cooling groove both sides of ice chest 40 are managed facing to PE equipped with several valves, and lasting air blowing is also by help
The temperature of PE pipe reduces further, and tube surface is also had bosh to take out of by the most lasting air blowing
The globule all blow off, it is ensured that enter being dried of typing equipment and subsequent handling.
Existing irrigation PE pipe produces the water-cooled that the type of cooling is about 6 meters, when producing big specification
Tubing time, cooling effect is very poor, it is impossible to cool down tubing very well, causes the reduction of speed of production,
And it is directly entered mark equipment, because water taken out of by tubing, to print from cooling water tubing out
The infringement of subset is the biggest.12 meters of cooling dresses in the double-deck PE pipe making apparatus that the present invention provides
Putting the cooling velocity greatly promoting tubing, the lifting for speed of production provides guarantee.
After inker 50 is arranged on cooling device, bilayer PE pipe carries out lettering.Winding machine 60 is arranged
After inker 50, the double-deck PE pipe after being completed by lettering furls.
Double-tractor 70, a hauling machine is arranged between cooling device and typewriter, and another sets
Put between typewriter and winding machine, it is provided that the pulling force that double-deck PE pipe moves.The position of double-tractor
Setting can be adjusted as required.For the relatively single tractor of double tractors, it is advantageous in that and is provided that
Hauling speed more stably, when drawing for one when, because the running part of belt or crawler belt is uniform
And the wall unevenness of the uneven tubing in turn resulting in production just often resulting in tractive force that weares and teares
Even, affect product quality.In the case of double tractions, it is consistent for arranging two hauling machine speed
, working between which is the ready-made mutual pulling force of energy, it is ensured that uniform to tubing tractive force,
While one deviation occurs, another just can correct at once, it is ensured that speed uniform,
And then ensure that the uniformity of wall thickness to greatest extent.
Fig. 5 is the front view of the double-deck PE pipe of irrigation.
Fig. 6 is the top view of the double-deck PE pipe of irrigation.
As shown in Figure 5 and Figure 6, the double-deck PE pipe of irrigation that the present invention provides makes equipment making and goes out
Irrigate the structure with double-deck PE pipe: color scale line layer 1, outer layer 2 and internal layer 3.
The composition of raw materials of outer layer 2 is:
LDPE (low density polyethylene (LDPE)) 65%；
HDPE (high density polyethylene (HDPE)) 15%, increases the hardness of tubing；
LLDPE (LLDPE) 5%, keep the viscosity that raw material is bigger, strengthen flowing
Property；
EPE (metallocene PE propylene copolymer and polypropylene blend) 5%, improves product
Elasticity, pliability, circumnutating property；
Carbon black color masterbatch 5029A 5%, increases content of carbon black；
Anti-aging master batch 2,760 5%, anti-oxidant, uvioresistant；
This composition of raw materials, good toughness, intensity are high, inside and outside wall is smooth, ageing resistace good.
The composition of raw materials of outer layer 3 is: add on the basis of the composition of raw materials of outer layer 2 anti-aging and
Color masterbatch, the reworked material of total use 30%.Irrigate on the basis of not affecting pipe performance and feed water with PE
Pipe have employed multilayer extrusion technology and improves production efficiency, reduces cost of material.
Fig. 7 is the process chart of the double-deck PE pipe preparation method of irrigation.
As it is shown in fig. 7, the technological process of the double-deck PE pipe preparation method of irrigation is as follows:
Step A. goes out internal layer raw material, outer layer raw material by formulation ratio, the driest.
After the ratio of raw material installation formula is prepared, put into blender and be stirred making various raw material join
Than uniformly；The raw material prepared is carried out baking removed moisture removal, fully by the temperature formulated and time
It is dried.
The three-layer co-extruded machine that internal layer raw material, outer layer raw material and colour code raw material are put into by step B. respectively
In barrel, three layers of three-layer co-extruded composite machine head extrude the double-deck PE pipe with colour code simultaneously；
Abundant dried raw material by raw material inspiration hopper, passes through blanking pipe by suction feeder
In entrance barrel.After extrusion starts, the material in barrel carries out in falling into the screw rod of extruder shearing,
Extruding, extruder is carrying out melted and preplasticizing to raw material.Be squeezed in die head after raw material plasticizing by
Three layers of composite machine head extrusion carry out preliminary shaping.
Also filter before extrusion molding at the 2# extruder loading the internal layer raw material that with the addition of reworked material.
Step C. calibration sleeve and external vacuum water tank carry out sizing to double-deck PE pipe, carry out true simultaneously
Air cooling is but.
Just the pipe of one-step forming enters vacuum sizing sleeve part after extrusion die, and calibration sleeve coordinates true
Idling pressure accurately controls the outside dimension of tubing.
After step E. is 8 meters of water-cooleds, then carry out 4 meters of air cooling case air cooling.
It is cooled while continuing through vacuum cooling tank by the tubing after sizing, now
Tubing and basic forming,
Step F. carries out lettering to double-deck PE pipe.
Step G. winding machine carries out rolling.
Winding device carries out packing undercarriage after rolling, completes production process.
Step H. to complete produce double-deck PE pipe product measure and test, qualified after, bag
Load storehouse.
During whole, after tube extrusion die head toward the pulling force of movement in vacuum tank be extruder
Tractor provides.
Claims (10)
1. irrigate by double-deck PE pipe preparation method for one kind, it is characterised in that have steps of:
Step A. goes out internal layer raw material, outer layer raw material by formulation ratio, the driest；
Described internal layer raw material, described outer layer raw material and colour code raw material are put into three by step B. respectively
In the barrel of layer co-extrusion machine, three layers of composite machine head of described three-layer co-extruded machine extrude simultaneously have
The irrigation of colour code is managed with double-deck PE；
Step C. vacuum sizing cooling device additionally arranges an external storage outside vacuum water tank
Water tank, two water tanks are connected, and vavuum pump is connected with external storage tank, and vavuum pump is drained external storage
Air in water tank and then allow vacuum water tank vacuum；Described irrigation is used by calibration sleeve and vacuum water tank
Double-deck PE pipe carries out sizing, carries out vacuum cooled simultaneously；
After step E. carries out water-cooled, enter back into air cooling case and carry out air cooling；
Step G. winding machine carries out rolling.
The double-deck PE pipe preparation method of irrigation the most according to claim 1, its feature exists
In:
Wherein, the described outer layer composition of raw materials in described step A is:
LDPE (low density polyethylene (LDPE)) 65%,
HDPE (high density polyethylene (HDPE)) 15%,
LLDPE (LLDPE) 5%,
EPE (metallocene PE propylene copolymer and polypropylene blend) 5%,
Carbon black color masterbatch 5029A 5%,
Anti-aging master batch 2,760 5%.
The double-deck PE pipe preparation method of irrigation the most according to claim 1, its feature exists
In:
Wherein, F the most in steps between described step E and step G: double-deck to described irrigation
PE pipe carries out lettering.
The double-deck PE pipe preparation method of irrigation the most according to claim 1, its feature exists
In:
Wherein, in described step B, described internal layer raw material also filters before extrusion molding.
The double-deck PE pipe preparation method of irrigation the most according to claim 1, its feature exists
In:
Wherein, after described step E is 8 meters of water-cooleds, then carry out 4 meters of air cooling case air cooling.
6. irrigate with double-deck PE pipe making apparatus for one kind, it is characterised in that including:
Three-layer co-extruded machine, has three extruders and three layers of composite machine head, extrudes colored target and fills
Irrigate with double-deck PE pipe；
Vacuum sizing cooling device, including calibration sleeve, vacuum water tank and external storage tank, external
Storage tank is arranged on outside vacuum water tank, and two water tanks are connected, and vavuum pump is with external storage tank phase
Even, vavuum pump is drained the air in external storage tank and then allow vacuum water tank vacuum；To extrusion
The double-deck PE pipe of described irrigation carries out sizing and cools down；
Cooling device, including the gentle ice chest of cooling water tank, double-deck to the described irrigation after sizing
The cooling further of PE pipe；
Winding machine, furls double-deck for the described irrigation completing cooling PE pipe；And
Double-tractor, it is provided that the pulling force that the double-deck PE pipe of described irrigation moves.
The double-deck PE pipe making apparatus of irrigation the most according to claim 6, its feature exists
In:
Wherein, any one extruder in described three-layer co-extruded machine has filter.
The double-deck PE pipe making apparatus of irrigation the most according to claim 7, its feature exists
In:
Wherein, described filter includes filtering entrance, filter stick, filtration channel and connection mode
Head；
Described filtration entrance one end connects with the screw outlet of described extruder, and the other end is with described
The entrance connection of filter stick；
Described filter stick is pole, and described pole has several filter bores；
One end of described filtration channel and described filter stick outlet, the other end is connected with described
The entrance connection of die head；
The outlet of described connection die head connects with described three layers of composite machine head.
The double-deck PE pipe making apparatus of irrigation the most according to claim 6, its feature exists
In:
Wherein, a length of 8 meters of described cooling water tank, a length of 4 meters of described air cooling case.
The double-deck PE pipe making apparatus of irrigation the most according to claim 6, its feature
It is:
Also include inker, be arranged between described cooling device and described winding machine.
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| CN201310726435.XA CN103770308B (en) | 2013-12-25 | 2013-12-25 | Irrigate with double-deck PE pipe preparation method and equipment thereof |
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| CN201310726435.XA CN103770308B (en) | 2013-12-25 | 2013-12-25 | Irrigate with double-deck PE pipe preparation method and equipment thereof |
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| CN103770308A CN103770308A (en) | 2014-05-07 |
| CN103770308B true CN103770308B (en) | 2016-09-07 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034306A (en) * | 2015-05-08 | 2015-11-11 | 大禹节水（天津）有限公司 | High-strength heat-resistant double-layer thin-wall PE soft tube for irrigation and production method thereof |
| CN106738781A (en) * | 2016-12-26 | 2017-05-31 | 张家港市大能塑料制品有限公司 | A kind of compound resin processing technology |
| CN109130129A (en) * | 2017-06-27 | 2019-01-04 | 瓮安县武江隆塑业有限责任公司 | A kind of preparation method of high intensity antimicrobial PE tube |
| CN108501455B (en) * | 2018-02-05 | 2020-12-25 | 广州美泰包装科技有限公司 | PE/PP double-color shao-dermatoglyph hose and preparation method thereof |
| CN108506595A (en) * | 2018-04-27 | 2018-09-07 | 会东县沣雨节水灌溉塑料厂 | It is a kind of to irrigate with compound PE pipes and preparation method thereof |
| CN109130128B (en) * | 2018-11-05 | 2024-03-12 | 福建亚通新材料科技股份有限公司 | Composite extrusion molding device for water supply pipe |
| CN109676891B (en) * | 2018-12-20 | 2021-07-02 | 山东东宏管业股份有限公司 | High-density polyethylene pipe for trenchless restoration and preparation method thereof |
| CN111616026B (en) * | 2020-06-09 | 2022-04-15 | 山东长江节水灌溉科技有限公司 | Thin-wall drip infiltration belt with cylindrical drippers embedded in composite material and manufacturing method thereof |
| CN114474643A (en) * | 2022-01-19 | 2022-05-13 | 宁波琳盛高分子材料有限公司 | Production equipment and process of ultrathin high-polymer pipe |
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| CN203665899U (en) * | 2013-12-25 | 2014-06-25 | 上海华维节水灌溉有限公司 | Double-layer PE (polyethylene) pipe production equipment for irrigation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3480004B2 (en) * | 1993-09-07 | 2003-12-15 | シーアイ化成株式会社 | Method and apparatus for manufacturing vinyl chloride resin tube for lining |
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| CN1161219C (en) * | 2000-04-07 | 2004-08-11 | 余杭市康运塑业有限公司 | Atactic copolypropylene pipe with marking line and making method thereof |
| CN102107511A (en) * | 2010-12-21 | 2011-06-29 | 河南康泰塑业科技有限公司 | Method for producing temperature-resisting, anti-seismic and antibacterial compound polyethylene water supply pipe |
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Denomination of invention: Manufacturing method and equipment of double-layer PE pipe for irrigation Effective date of registration: 20220708 Granted publication date: 20160907 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: HUAWEI WATER SAVING TECHNOLOGY GROUP Co.,Ltd. Registration number: Y2022310000116 |
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Date of cancellation: 20230817 Granted publication date: 20160907 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: HUAWEI WATER SAVING TECHNOLOGY GROUP Co.,Ltd. Registration number: Y2022310000116 |