CN108582557A - A kind of polyethylene double-wall corrugated pipe production line and its production method - Google Patents
A kind of polyethylene double-wall corrugated pipe production line and its production method Download PDFInfo
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- CN108582557A CN108582557A CN201810326763.3A CN201810326763A CN108582557A CN 108582557 A CN108582557 A CN 108582557A CN 201810326763 A CN201810326763 A CN 201810326763A CN 108582557 A CN108582557 A CN 108582557A
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- China
- Prior art keywords
- agitator tank
- wall corrugated
- corrugated pipe
- fixedly connected
- polyethylene
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/065—HDPE, i.e. high density 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
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The present invention relates to bellows production technical fields, and disclose a kind of polyethylene double-wall corrugated pipe production line, including pedestal, the cushion block that passes on left of the base upper surface is fixedly connected with agitator tank, middle part at the top of the agitator tank is equipped with driving motor, the output shaft of the driving motor passes through the top of agitator tank and is fixedly connected with the top of the agitating shaft inside agitator tank, and the top fixing sleeve on the agitating shaft surface is connected to first gear.The polyethylene double-wall corrugated pipe production line and its production method, pass through the restriction to agitator tank, second gear is driven to rotate using first gear, to realize the reverse movement of agitating shaft and stirring rod, to prevent raw material from being rotated synchronously with agitating shaft, to reach the thorough effect of stirring, the quality of product is improved, meanwhile, pass through White Mineral Oil in raw material and silane coupling agent etc., the ring stiffness for helping to improve double-wall corrugated pipe extends the service life of double-wall corrugated pipe and improves using effect.
Description
Technical field
The present invention relates to bellows production technical field, specially a kind of polyethylene double-wall corrugated pipe production line and its production
Method.
Background technology
Double wall corrugated high-density polyethylene pipes, are a kind of novel tubes with cyclic structure outer wall and smooth internal walls, 80
It is succeeded in developing first in Germany at the beginning of age.By the development of more than ten years and perfect, via single Cultivar development to complete
Product line.At present in production technology and using very ripe in technology.Due to its excellent performance and relatively economical
Cost has been obtained for great promotion and application in developed countries such as America and Europes.In China, the popularization of HDPE double-wall corrugated pipes and
Rise the situation stage using being in, all technical reaches using standard.Double-wall corrugated inside pipe wall color usually has indigo plant
Color and black, part brand inner wall can use yellow.
Polyethylene double-wall corrugated pipe needs to be stirred material before manufacture, and existing double-wall corrugated pipe production line is right
In material whipping process showing for viscous synchronous rotation is glued since single direction stirring usually occur in the resin colloidal materials in material
As influencing the quality of the double-wall corrugated pipe of double-wall corrugated pipe production line production.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of polyethylene double-wall corrugated pipe production line and its producers
Method, solving the problems, such as existing polyethylene double-wall corrugated pipe, there are ropy phenomenons.
(2) technical solution
To achieve the above object, the present invention provides the following technical solutions：A kind of polyethylene double-wall corrugated pipe production line, including
The cushion block that passes on left of pedestal, the base upper surface is fixedly connected with agitator tank, and the middle part at the top of the agitator tank is equipped with
Driving motor, the output shaft of the driving motor pass through the top of agitator tank and with the top of the agitating shaft inside agitator tank
It is fixedly connected, the top fixing sleeve on the agitating shaft surface is connected to first gear, and the both sides of the first gear are engaged with
Two gears, and being fixedly attached at the top of second gear and stirring rod, the both ends of the stirring rod respectively in agitator tank
Top of chamber is fixedly connected with the inner ring of the bearing of bottom, and the surface of the stirring rod is fixedly connected with the first agitating paddle, described to stir
The surface for mixing axis is fixedly connected with the second agitating paddle, and feed pipe, the stirring are equipped at the top of the agitator tank left side
The bottom of case right side is equipped with discharge pipe, and conveyer belt is provided on the right side of the agitator tank, and the conveyer belt passes through support
Bar is mounted on the upper surface of pedestal, and the left end of the conveyer belt is located at the underface of discharge pipe, and the right end of conveyer belt passes through
It is mounted on the base the drying box on surface and the surface positioned at extruder hopper, the extruder is fixedly connected on the upper of pedestal
Surface, the output end of the extruder are connected with the input terminal of flaring molding machine, and the right end of the flaring molding machine is equipped with
The right end of mouth mold, the base upper surface is fixedly connected with cooling bay, and cooling bay is located at the underface of mouth mold.
Preferably, first agitating paddle and the second agitating paddle are interlaced.
Preferably, the front of the drying box is equipped with the control panel of regulating and controlling temperature, and the inside of drying box is equipped with
Air-heater or heating wire net.
A kind of polyethylene double-wall corrugated pipe production method, includes the following steps:
1) chosen material：Choose the high-density polyethylene resin 100-120 that density is 0.951-0.960 grams/cm
Part, 10-15 parts of colorant, 6-9 parts of mica powder, 11-14 parts of silane coupling agent, 5-15 parts of maleic anhydride grafted polyethylene, poly- second
18-24 parts of 22-30 parts of alkene wax, 25-40 parts of antioxidant, 5-8 parts of White Mineral Oil and Masterbatch.
2) batch mixing stirs：Polyvinyl resin, colorant, mica powder, silane coupling agent, maleic anhydride are grafted poly- second respectively
Alkene, polyethylene wax, antioxidant, White Mineral Oil and Masterbatch pass sequentially through in feed pipe injection agitator tank, when each material feeding interval
Between be one minute, while starting agitator tank, be stirred with the rotating speed of 500r/min, mixing time is 15-30 minute, prepares and mixes
Close raw material.
3) heat drying：Mixed raw material in step 2) is emitted on conveyer belt, conveyer belt carries mixed raw material and passes through
Drying box is dried using air-heater or heating wire net, while the conveying speed for controlling conveyer belt is 0.1m/min, and is dried
The length of dry case is 3-5m, accelerates the drying of mixed raw material by drying box.
4) extrusion plasticizing：As needed, mouth mold is chosen, sizing is carried out to the diameter of mouth mold, while will walk by conveyer belt
Mixed raw material after rapid 3) middle drying is delivered in the hopper of extruder, using extrusion mechanism for ripple pipe as special material, control temperature
Degree is 190-260 degree, while ripple pipe as special material being delivered in flaring molding machine, and regulating and controlling temperature passes through mouth to 220-280 degree
Mould squeezes out, to prepare the thick embryo of bellows.
5) it is cooled and shaped：The thick embryo of bellows in step 4) falls into 5-10 minutes cooling in cooling bay, control by mouth mold
The temperature of cooling bay is 15-45 degree, thick embryo after cooling is carried out using cutting machine to be cut to suitable length, to be made into
Product.
Preferably, temperature of the stirring agitator tank in whipping process is 45 degree in the step 2).
(3) advantageous effect
Compared with prior art, the present invention provides a kind of polyethylene double-wall corrugated pipe production line and its production method, tools
Standby advantageous effect：The polyethylene double-wall corrugated pipe production line and its production method utilize first by the restriction to agitator tank
Gear drives second gear rotation, to realize the reverse movement of agitating shaft and stirring rod, to prevent raw material same with agitating shaft
Step rotation, to reach the thorough effect of stirring, improves the quality of product, meanwhile, pass through the White Mineral Oil and silane in raw material
Coupling agent etc. helps to improve the ring stiffness of double-wall corrugated pipe, extends the service life of double-wall corrugated pipe and improves using effect
Fruit.
Description of the drawings
Fig. 1 is a kind of polyethylene double-wall corrugated pipe production line structure front view proposed by the present invention；
Fig. 2 is that a kind of polyethylene double-wall corrugated pipe production line proposed by the present invention stirs box structure front elevational view.
In figure：1 pedestal, 2 cushion blocks, 3 agitator tanks, 4 driving motors, 5 agitating shafts, 6 first gears, 7 second gears, 8 stirrings
Bar, 9 bearings, 10 first agitating paddles, 11 second agitating paddles, 12 feed pipes, 13 discharge pipes, 14 conveyer belts, 15 supporting rods, 16
Drying box, 17 extruders, 18 mouth molds, 19 cooling bays, 20 flaring molding machines.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, a kind of polyethylene double-wall corrugated pipe production line, including pedestal 1, the left side of 1 upper surface of pedestal are logical
It crosses cushion block 2 and is fixedly connected with agitator tank 3, the middle part at 3 top of agitator tank is equipped with driving motor 4, and the output shaft of driving motor 4 is worn
It crosses the top of agitator tank 3 and is fixedly connected with the top of the agitating shaft 5 inside agitator tank 3, the top on 5 surface of agitating shaft is solid
Surely it is socketed with first gear 6, the both sides of first gear 6 are engaged with second gear 7, and the top of second gear 7 and stirring rod 8
It being fixedly attached, the both ends of stirring rod 8 are fixedly connected with the inner ring mounted on 3 inner cavity top of agitator tank and the bearing 9 of bottom respectively,
By the restriction to agitator tank 3, second gear 7 is driven to rotate using first gear 6, to realize agitating shaft 5 and stirring rod 8
Reverse movement, to reach the thorough effect of stirring, improves the matter of product to prevent raw material from being rotated synchronously with agitating shaft 5
Amount, meanwhile, by White Mineral Oil in raw material and silane coupling agent etc., the ring stiffness of double-wall corrugated pipe is helped to improve, is extended double
The service life and raising using effect of wall bellows, the surface of stirring rod 8 is fixedly connected with the first agitating paddle 10, agitating shaft
5 surface is fixedly connected with the second agitating paddle 11, and the first agitating paddle 10 and the second agitating paddle 11 are interlaced, and interlaced
One agitating paddle 10 and the second agitating paddle 11 can prevent raw material from being rotated synchronously with the first agitating paddle 10 and the second agitating paddle 11, to
Raw material is broken up into stirring, keeps stirring more thorough, feed pipe 12,3 right side of agitator tank are installed at the top of 3 left side of agitator tank
The bottom in face is equipped with discharge pipe 13, and the right side of agitator tank 3 is provided with conveyer belt 14, and conveyer belt 14 is installed by supporting rod 15
In the upper surface of pedestal 1, the left end of conveyer belt 14 is located at the underface of discharge pipe 13, and the right end of conveyer belt 14 passes through installation
The front of drying box 16 in 1 upper surface of pedestal and the surface positioned at 17 hopper of extruder, drying box 16 is equipped with regulation and control temperature
The control panel of degree, and the inside of drying box 16 is equipped with air-heater or heating wire net, extruder 17 is fixedly connected on pedestal 1
Upper surface, 17 double screw extruders of extruder, the output end of extruder 17 is connected with the input terminal of flaring molding machine 20,
The right end of flaring molding machine 20 is equipped with mouth mold 18, and the right end of 1 upper surface of pedestal is fixedly connected with cooling bay 19, and cooling bay 19
Positioned at the underface of mouth mold 18.
A kind of polyethylene double-wall corrugated pipe production method, includes the following steps:
1) chosen material：Choose the high-density polyethylene resin 100-120 that density is 0.951-0.960 grams/cm
Part, 10-15 parts of colorant, 6-9 parts of mica powder, 11-14 parts of silane coupling agent, 5-15 parts of maleic anhydride grafted polyethylene, poly- second
18-24 parts of 22-30 parts of alkene wax, 25-40 parts of antioxidant, 5-8 parts of White Mineral Oil and Masterbatch.
2) batch mixing stirs：Polyvinyl resin, colorant, mica powder, silane coupling agent, maleic anhydride are grafted poly- second respectively
Alkene, polyethylene wax, antioxidant, White Mineral Oil and Masterbatch pass sequentially through in feed pipe injection agitator tank, when each material feeding interval
Between be one minute, the phenomenon that preventing from accumulating in the case of injecting together, influence mixing effect, while starting agitator tank, with
The rotating speed of 500r/min is stirred, and mixing time is 15-30 minutes, and temperature of the stirring agitator tank in whipping process is 45
Degree prepares mixed raw material.
3) heat drying：Mixed raw material in step 2) is emitted on conveyer belt, conveyer belt carries mixed raw material and passes through
Drying box is dried using air-heater or heating wire net, while the conveying speed for controlling conveyer belt is 0.1m/min, and is dried
The length of dry case is 3-5m, accelerates the drying of mixed raw material by drying box.
4) extrusion plasticizing：As needed, mouth mold is chosen, sizing is carried out to the diameter of mouth mold, so as to double-wall corrugated
The internal-and external diameter of pipe is regulated and controled, and produces the double-wall corrugated pipe of needs, while by conveyer belt by the mixing after drying in step 3)
In feedstock transportation to the hopper of extruder, using extrusion mechanism for ripple pipe as special material, controlled at 190-260 degree, simultaneously
Ripple pipe as special material is delivered in flaring molding machine, regulating and controlling temperature to 220-280 degree, by die extrusion, to prepare wave
The thick embryo of line pipe.
5) it is cooled and shaped：The thick embryo of bellows in step 4) falls into 5-10 minutes cooling in cooling bay, control by mouth mold
The temperature of cooling bay is 15-45 degree, thick embryo after cooling is carried out using cutting machine to be cut to suitable length, to be made into
Product.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating currents, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
In conclusion the polyethylene double-wall corrugated pipe production line and its production method, pass through the restriction to agitator tank 3, profit
Second gear 7 is driven to rotate with first gear 6, to realize the reverse movement of agitating shaft 5 and stirring rod 8, to prevent raw material
It is rotated synchronously with agitating shaft 5, to reach the thorough effect of stirring, improves the quality of product, meanwhile, by white in raw material
Dormant oil and silane coupling agent etc. help to improve the ring stiffness of double-wall corrugated pipe, extend double-wall corrugated pipe service life and
Using effect is improved, solving the problems, such as existing polyethylene double-wall corrugated pipe, there are ropy phenomenons.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of polyethylene double-wall corrugated pipe production line, including pedestal (1), it is characterised in that：A left side for pedestal (1) upper surface
Side is fixedly connected with agitator tank (3) by cushion block (2), and the middle part at the top of the agitator tank (3) is equipped with driving motor (4), institute
State driving motor (4) output shaft pass through agitator tank (3) top and with positioned at the top of the internal agitating shaft (5) of agitator tank (3)
End is fixedly connected, and the top fixing sleeve on agitating shaft (5) surface is connected to first gear (6), the both sides of the first gear (6)
It is engaged with second gear (7), and is fixedly attached at the top of second gear (7) and stirring rod (8), the two of the stirring rod (8)
End is fixedly connected with the inner ring of the bearing (9) mounted on agitator tank (3) inner cavity top and bottom respectively, the stirring rod (8)
Surface is fixedly connected with the first agitating paddle (10), and the surface of the agitating shaft (5) is fixedly connected with the second agitating paddle (11), described
Feed pipe (12) is installed, the bottom of agitator tank (3) right side is equipped with discharge nozzle at the top of agitator tank (3) left side
Road (13) is provided with conveyer belt (14) on the right side of the agitator tank (3), and the conveyer belt (14) is mounted on by supporting rod (15)
The left end of the upper surface of pedestal (1), the conveyer belt (14) is located at the underface of discharge pipe (13), and the right side of conveyer belt (14)
End is passed through the drying box (16) of pedestal (1) upper surface and the surface positioned at extruder (17) hopper, the extruder
(17) upper surface of pedestal (1), the input terminal of the output end and flaring molding machine (20) of the extruder (17) are fixedly connected on
It is connected, the right end of the flaring molding machine (20) is equipped with mouth mold (18), and the right end of pedestal (1) upper surface is fixedly connected
There is cooling bay (19), and cooling bay (19) is located at the underface of mouth mold (18).
2. a kind of polyethylene double-wall corrugated pipe production line according to claim 1, it is characterised in that：First agitating paddle
(10) and the second agitating paddle (11) is interlaced.
3. a kind of polyethylene double-wall corrugated pipe production line according to claim 1, it is characterised in that：The drying box (16)
Front the control panel of regulating and controlling temperature is installed, and the inside of drying box (16) is equipped with air-heater or heating wire net.
4. a kind of polyethylene double-wall corrugated pipe production method according to claim 1, which is characterized in that including following step
Suddenly:
1) chosen material：Choose density be 0.951-0.960 grams/cm 100-120 parts of high-density polyethylene resin,
10-15 parts of toner, 6-9 parts of mica powder, 11-14 parts of silane coupling agent, 5-15 parts of maleic anhydride grafted polyethylene, polyethylene wax
18-24 parts of 22-30 parts, 25-40 parts of antioxidant, 5-8 parts of White Mineral Oil and Masterbatch；
2) batch mixing stirs：Respectively by polyvinyl resin, colorant, mica powder, silane coupling agent, maleic anhydride grafted polyethylene,
Polyethylene wax, antioxidant, White Mineral Oil and Masterbatch pass sequentially through in feed pipe injection agitator tank, and each material feeding interval time is
One minute, while starting agitator tank, it is stirred with the rotating speed of 500r/min, mixing time is 15-30 minutes, and it is former to prepare mixing
Material；
3) heat drying：Mixed raw material in step 2) is emitted on conveyer belt, conveyer belt carries mixed raw material and passes through drying
Case is dried using air-heater or heating wire net, while controlling the conveying speed of conveyer belt as 0.1m/min, and drying box
Length be 3-5m, pass through drying box accelerate mixed raw material drying；
4) extrusion plasticizing：As needed, mouth mold is chosen, sizing carried out to the diameter of mouth mold, while by conveyer belt by step 3)
Mixed raw material after middle drying is delivered in the hopper of extruder, using extrusion mechanism for ripple pipe as special material, controlled at
190-260 degree, while ripple pipe as special material being delivered in flaring molding machine, regulating and controlling temperature to 220-280 degree, it is squeezed by mouth mold
Go out, to prepare the thick embryo of bellows；
5) it is cooled and shaped：The thick embryo of bellows in step 4) falls into 5-10 minutes cooling in cooling bay, control cooling by mouth mold
The temperature in pond is 15-45 degree, and thick embryo after cooling is carried out using cutting machine to be cut to suitable length, to finished product.
5. a kind of polyethylene double-wall corrugated pipe production method according to claim 1, it is characterised in that：In the step 2)
It is 45 degree to stir temperature of the agitator tank in whipping process.
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| CN201810326763.3A CN108582557A (en) | 2018-04-12 | 2018-04-12 | A kind of polyethylene double-wall corrugated pipe production line and its production method |
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| CN201810326763.3A CN108582557A (en) | 2018-04-12 | 2018-04-12 | A kind of polyethylene double-wall corrugated pipe production line and its production method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110804237A (en) * | 2019-11-05 | 2020-02-18 | 安徽杰蓝特新材料有限公司 | Anti-static PE double-wall corrugated pipe and processing technology thereof |
| CN112590268A (en) * | 2020-11-25 | 2021-04-02 | 浙江金科复合材料科技有限公司 | Production and processing equipment for polyethylene buried double-wall corrugated pipe |
| CN113021673A (en) * | 2021-02-18 | 2021-06-25 | 董丹丹 | Production equipment and preparation method of degradable polypropylene plastic |
| CN116589785A (en) * | 2021-01-22 | 2023-08-15 | 福建省南平南线电力电缆有限公司 | Flame-retardant technology and processing equipment for halogen-free low-smoke polyolefin cable |
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| CN116589785A (en) * | 2021-01-22 | 2023-08-15 | 福建省南平南线电力电缆有限公司 | Flame-retardant technology and processing equipment for halogen-free low-smoke polyolefin cable |
| CN113021673A (en) * | 2021-02-18 | 2021-06-25 | 董丹丹 | Production equipment and preparation method of degradable polypropylene plastic |
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Application publication date: 20180928 |