CN110239052A - A kind of etch-proof PE tubing manufacture craft - Google Patents
A kind of etch-proof PE tubing manufacture craft Download PDFInfo
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- CN110239052A CN110239052A CN201910479859.8A CN201910479859A CN110239052A CN 110239052 A CN110239052 A CN 110239052A CN 201910479859 A CN201910479859 A CN 201910479859A CN 110239052 A CN110239052 A CN 110239052A
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- Prior art keywords
- tubing
- etch
- proof
- manufacture craft
- sandblasting
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Classifications
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- 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
- B29B7/002—Methods
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
Abstract
The invention discloses a kind of etch-proof PE tubing manufacture craft, include the following steps: that raw material and equipment prepare, dry, mixing, drying, plasticizing squeeze out, mold molding, cooling and shaping, and sandblasting, coating, solidification are cut, packaging；The beneficial effects of the present invention are: the PE pipe after sandblasting, coating, solidification has excellent anti-corrosive properties, weatherability and electric insulating quality, the frictional resistance generated during pumped (conveying) medium is smaller, more efficient；Not incrustation will not lead to the problem of bacteria breed, can effectively ensure that the quality of medium, have its excellent comprehensive performance；PE100 resin has good heat resistance and cold resistance, and chemical stability is good, rigidity and toughness also with higher, and mechanical strength is good；Chemical stability is good, at room temperature, does not dissolve in any organic solvent, the corrosion of acid and alkali resistance and various salts is that raw material prepares PE tubing using PE100 resin, further increases the anticorrosion ability of PE tubing.
Description
Technical field
The invention belongs to PE tubing manufacture technology fields, and in particular to a kind of etch-proof PE tubing manufacture craft.
Background technique
PE is polyethylene, and the application range of general PE tubing feedwater piping is the temperature lower than 40 DEG C, is not used to hot water
Conveyance conduit, PE tubing are that a kind of crystallinity is high, nonpolar thermoplastic resin.The milky appearance of ortho states HDPE, micro-
Thin section is in a degree of translucent.PE has the characteristic of excellent resistance to most of lives and chemicals for industrial use.It is certain
The chemicals of type can generate chemical attack, such as corrosive oxidation agent (concentrated nitric acid), aromatic hydrocarbon (dimethylbenzene) and halogenated hydrocarbon (four
Chlorination carbon).
Existing PE tubing antiseptic property is poor, for a long time by the erosion of water, can be corroded through in a relatively short period of time when serious
Hole；
Anti-microbial property is poor, and when water quality is poor, containing more microorganism, these microorganisms are easily in pipe intussusception endophytic bacteria.
Summary of the invention
The purpose of the present invention is to provide a kind of etch-proof PE tubing manufacture crafts, to solve to mention in above-mentioned background technique
PE tubing antiseptic property out is poor, can corrosion failure in a relatively short period of time when serious for a long time by the erosion of water；Anti-microbial property
Difference, when water quality is poor, containing more microorganism, these microorganisms are easily the pipe intussusception endophytic bacteria the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of etch-proof PE tubing manufacture craft, including
Following steps:
Step 1: raw material and equipment prepare: raw material includes: PE100 resin, 2% color masterbatch, epoxy powder；Equipment includes
Extruder, drying box, vacuum sizing box, Electric heat oven, solidification case, shower cooling box, cutting machine；
Step 2: dry: PE100 resin, 2% color masterbatch, epoxy powder are dried；
Step 3: mixing, drying: PE100 resin, 2% color masterbatch after will be dry in step 2 be mixed, and are stirred
Uniformly, and mixture after mixing evenly is placed in drying box and is dried；
Step 4: plasticizing squeezes out: the mixture after mixing, drying enters extruder by hopper, through conveying, compression, melts
Melt, under homogenization, elastomeric state is become from solid-granular material, then viscous state is become from elastomeric state, and continuously squeeze out；
Step 5: mold molding: the melting charge squeezed out from extruder introduces mold, in profiled section after helical shunt
Fusion compacting is tubular parison, finally from die extrusion；
Step 6: cooling and shaping: the heat pipe base squeezed out from mold is under negative pressure state through calibration sleeve vacuum sizing box
Sizing and cooling, integrally curing sizing cooling by tubing inside using spray woods cooler bin；
Step 7: sandblasting, coating, solidification: sandblasting is carried out to the steel pipe after solidifying and setting, the good steel pipe of sandblasting is put into electricity
Oven heat is preheated, and is carried out coating after painting installs to preheated tubing and is put into solidification case and solidifies to obtain finished product；
Step 8: it cutting: by the PE tubing produced according to setting fixed length is required, is then cut by cutting machine；
Step 9: packaging: the tubing after cutting shifts roll-over table onto, through inspection after, qualified product is packed and stored, it is unqualified then
It crushes and recycles.
As a preferred technical solution of the invention, in the step 2, dry moisture content of the raw material < 8%.
As a preferred technical solution of the invention, in the step 3, mixture after mixing evenly is placed in
It is dried in drying box, the moisture content < 4% after drying.
As a preferred technical solution of the invention, in the step 5, mold is before use, heat preservation 20-30min.
As a preferred technical solution of the invention, in the step 6, outside the internal diameter > PE tubing of calibration sleeve
Diameter 1-3mm.
As a preferred technical solution of the invention, in the step 7, the steel pipe after solidifying and setting is sprayed
The good steel pipe of sandblasting is put into Electric heat oven at 200-250 DEG C and preheats 1.2-1.8h by sand.
As a preferred technical solution of the invention, in the step 7, heating equipment is preheating to 180 and takes the photograph after spraying
Family name's degree solidifies the substrate sprayed.
As a preferred technical solution of the invention, in the step 7, coating is carried out to preheated tubing, is applied
After installing, it is put into solidification case and solidifies 15 minutes to obtain finished product at 200 DEG C.
As a preferred technical solution of the invention, in the step 8, cutting machine is advised according to the PE tubing of production
Lattice are different, adjustment technology pulse, feed velocity and cutting diameter.
Compared with prior art, the beneficial effects of the present invention are:
(1) the PE pipe after sandblasting, coating, solidification has excellent anti-corrosive properties, weatherability and electric insulating quality, use process
In will not because environment generate corrosion or galvanic corrosion, the service life used is long, the light of the PE inside pipe wall after sandblasting, coating, solidification
Cleanliness is high, water absorption rate is low, and the frictional resistance generated during pumped (conveying) medium is smaller, more efficient；Not incrustation will not produce
The problem of endophytic bacteria is bred, can effectively ensure that the quality of medium, have its excellent comprehensive performance；
(2) PE100 resin have good heat resistance and cold resistance, chemical stability is good, rigidity also with higher with
Toughness, mechanical strength are good；Chemical stability is good, at room temperature, does not dissolve in any organic solvent, acid and alkali resistance and various salt
The corrosion of class is that raw material prepares PE tubing using PE100 resin, further increases the anticorrosion ability of PE tubing.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Specific embodiment
Embodiment 1
A kind of etch-proof PE tubing manufacture craft, includes the following steps:
Step 1: raw material and equipment prepare: raw material includes: PE100 resin, 2% color masterbatch, epoxy powder；Equipment includes
Extruder, drying box, vacuum sizing box, Electric heat oven, solidification case, shower cooling box, cutting machine；
Step 2: dry: PE100 resin, 2% color masterbatch, epoxy powder to be dried, dry moisture content of the raw material <
8%；
Step 3: mixing, drying: PE100 resin, 2% color masterbatch after will be dry in step 2 be mixed, and are stirred
Uniformly, and mixture after mixing evenly is placed in drying box and is dried, the moisture content < 4% after drying；
Step 4: plasticizing squeezes out: the mixture after mixing, drying enters extruder by hopper, through conveying, compression, melts
Melt, under homogenization, elastomeric state is become from solid-granular material, then viscous state is become from elastomeric state, and continuously squeeze out；
Step 5: mold molding: the melting charge that squeezes out from extruder introduces mold, mold before use, heat preservation 20min,
It is compacted be tubular parison in profiled section fusion after helical shunt, finally from die extrusion；
Step 6: cooling and shaping: the heat pipe base squeezed out from mold is under negative pressure state through calibration sleeve vacuum sizing box
Sizing and cooling, the outer diameter 1mm of the internal diameter > PE tubing of calibration sleeve, it is whole using spray woods cooler bin by cooling inside tubing
Solidifying and setting；
Step 7: sandblasting, coating, solidification: sandblasting is carried out to the steel pipe after solidifying and setting, the good steel pipe of sandblasting is put into electricity
Oven heat preheats 1.8h at 200 DEG C, carries out coating to preheated tubing, heating equipment is preheating to 180 degrees Celsius after spraying
The substrate sprayed is solidified, after painting installs, solidification case is put into and solidifies 15 minutes to obtain finished product at 200 DEG C；
Step 8: it cutting: by the PE tubing produced according to setting fixed length is required, is then cut, is cut by cutting machine
Cutting mill is different according to the PE tubing specification of production, adjustment technology pulse, feed velocity and cutting diameter；
Step 9: packaging: the tubing after cutting shifts roll-over table onto, through inspection after, qualified product is packed and stored, it is unqualified then
It crushes and recycles.
PE100 is that a kind of crystallinity is high, nonpolar thermoplastic resin, and high density polyethylene (HDPE) is kind of a white powder graininess
Product, nontoxic, tasteless, density is within the scope of 0.940-0.976g/cm3；Crystallinity is 80-90%, softening point 125-135
DEG C, using temperature up to 100 DEG C；120-160 DEG C of fusion temperature, material biggish for molecule, it is proposed that fusion temperature range exists
Between 200-250 DEG C；It has good heat resistance and cold resistance, and chemical stability is good, rigidity and toughness also with higher,
Mechanical strength is good；Dielectric properties, environmental stress crack resistance are also preferable；Wearability, electrical insulating property, toughness and cold resistance compared with
It is good；Chemical stability is good, at room temperature, does not dissolve in any organic solvent, the corrosion of acid and alkali resistance and various salts；
PE pipe after sandblasting, coating, solidification has good electric insulating quality, will not generate galvanic corrosion, and water absorption rate is low, mechanical
Intensity is high, and coefficient of friction is small, can achieve the purpose that long-time service；Root system of plant and soil environment stress can also effectively be prevented
Destruction etc.；PE pipe after sandblasting, coating, solidification has excellent anti-corrosive properties, weatherability and an electric insulating quality, in use process
Will not because environment generate corrosion or galvanic corrosion, the service life used is long, the PE inside pipe wall after sandblasting, coating, solidification it is bright and clean
Spend that high, water absorption rate is low, the frictional resistance generated during pumped (conveying) medium is smaller, more efficient；Not incrustation will not generate
The problem of bacteria breed, can effectively ensure that the quality of medium, have its excellent comprehensive performance, very strong corrosion resistance and
Mechanicalness, good chemical-resistant stability and water resistance have the effects of drag reduction, anti-corrosion, resistance to compression, antibacterial, it is not generally by defeated
Send the restriction of medium, coating material: epoxy powder is suitable for 80 DEG C of working environments below, and coating has high adhesive force,
Coating hardness is high, impact resistance is good, and has preferable resistance to chemical corrosion.
Embodiment 2
A kind of etch-proof PE tubing manufacture craft, includes the following steps:
Step 1: raw material and equipment prepare: raw material includes: PE100 resin, 2% color masterbatch, epoxy powder；Equipment includes
Extruder, drying box, vacuum sizing box, Electric heat oven, solidification case, shower cooling box, cutting machine；
Step 2: dry: PE100 resin, 2% color masterbatch, epoxy powder to be dried, dry moisture content of the raw material <
8%；
Step 3: mixing, drying: PE100 resin, 2% color masterbatch after will be dry in step 2 be mixed, and are stirred
Uniformly, and mixture after mixing evenly is placed in drying box and is dried, the moisture content < 4% after drying；
Step 4: plasticizing squeezes out: the mixture after mixing, drying enters extruder by hopper, through conveying, compression, melts
Melt, under homogenization, elastomeric state is become from solid-granular material, then viscous state is become from elastomeric state, and continuously squeeze out；
Step 5: mold molding: the melting charge that squeezes out from extruder introduces mold, mold before use, heat preservation 25min,
It is compacted be tubular parison in profiled section fusion after helical shunt, finally from die extrusion；
Step 6: cooling and shaping: the heat pipe base squeezed out from mold is under negative pressure state through calibration sleeve vacuum sizing box
Sizing and cooling, the outer diameter 2mm of the internal diameter > PE tubing of calibration sleeve, it is whole using spray woods cooler bin by cooling inside tubing
Solidifying and setting；
Step 7: sandblasting, coating, solidification: sandblasting is carried out to the steel pipe after solidifying and setting, the good steel pipe of sandblasting is put into electricity
Oven heat preheats 1.5h at 225 DEG C, carries out coating to preheated tubing, heating equipment is preheating to 180 degrees Celsius after spraying
The substrate sprayed is solidified, after painting installs, solidification case is put into and solidifies 15 minutes to obtain finished product at 200 DEG C；
Step 8: it cutting: by the PE tubing produced according to setting fixed length is required, is then cut, is cut by cutting machine
Cutting mill is different according to the PE tubing specification of production, adjustment technology pulse, feed velocity and cutting diameter；
Step 9: packaging: the tubing after cutting shifts roll-over table onto, through inspection after, qualified product is packed and stored, it is unqualified then
It crushes and recycles.
PE100 is that a kind of crystallinity is high, nonpolar thermoplastic resin, and high density polyethylene (HDPE) is kind of a white powder graininess
Product, nontoxic, tasteless, density is within the scope of 0.940-0.976g/cm3；Crystallinity is 80-90%, softening point 125-135
DEG C, using temperature up to 100 DEG C；120-160 DEG C of fusion temperature, material biggish for molecule, it is proposed that fusion temperature range exists
Between 200-250 DEG C；It has good heat resistance and cold resistance, and chemical stability is good, rigidity and toughness also with higher,
Mechanical strength is good；Dielectric properties, environmental stress crack resistance are also preferable；Wearability, electrical insulating property, toughness and cold resistance compared with
It is good；Chemical stability is good, at room temperature, does not dissolve in any organic solvent, the corrosion of acid and alkali resistance and various salts；
PE pipe after sandblasting, coating, solidification has good electric insulating quality, will not generate galvanic corrosion, and water absorption rate is low, mechanical
Intensity is high, and coefficient of friction is small, can achieve the purpose that long-time service；Root system of plant and soil environment stress can also effectively be prevented
Destruction etc.；PE pipe after sandblasting, coating, solidification has excellent anti-corrosive properties, weatherability and an electric insulating quality, in use process
Will not because environment generate corrosion or galvanic corrosion, the service life used is long, the PE inside pipe wall after sandblasting, coating, solidification it is bright and clean
Spend that high, water absorption rate is low, the frictional resistance generated during pumped (conveying) medium is smaller, more efficient；Not incrustation will not generate
The problem of bacteria breed, can effectively ensure that the quality of medium, have its excellent comprehensive performance, very strong corrosion resistance and
Mechanicalness, good chemical-resistant stability and water resistance have the effects of drag reduction, anti-corrosion, resistance to compression, antibacterial, it is not generally by defeated
Send the restriction of medium, coating material: epoxy powder is suitable for 80 DEG C of working environments below, and coating has high adhesive force,
Coating hardness is high, impact resistance is good, and has preferable resistance to chemical corrosion.
Embodiment 3
A kind of etch-proof PE tubing manufacture craft, includes the following steps:
Step 1: raw material and equipment prepare: raw material includes: PE100 resin, 2% color masterbatch, epoxy powder；Equipment includes
Extruder, drying box, vacuum sizing box, Electric heat oven, solidification case, shower cooling box, cutting machine；
Step 2: dry: PE100 resin, 2% color masterbatch, epoxy powder to be dried, dry moisture content of the raw material <
8%；
Step 3: mixing, drying: PE100 resin, 2% color masterbatch after will be dry in step 2 be mixed, and are stirred
Uniformly, and mixture after mixing evenly is placed in drying box and is dried, the moisture content < 4% after drying；
Step 4: plasticizing squeezes out: the mixture after mixing, drying enters extruder by hopper, through conveying, compression, melts
Melt, under homogenization, elastomeric state is become from solid-granular material, then viscous state is become from elastomeric state, and continuously squeeze out；
Step 5: mold molding: the melting charge squeezed out from extruder introduces mold, and mold is before use, heat preservation 20-
30min is compacted be tubular parison, finally from die extrusion after helical shunt in profiled section fusion；
Step 6: cooling and shaping: the heat pipe base squeezed out from mold is under negative pressure state through calibration sleeve vacuum sizing box
Sizing and cooling, the outer diameter 3mm of the internal diameter > PE tubing of calibration sleeve, it is whole using spray woods cooler bin by cooling inside tubing
Solidifying and setting；
Step 7: sandblasting, coating, solidification: sandblasting is carried out to the steel pipe after solidifying and setting, the good steel pipe of sandblasting is put into electricity
Oven heat preheats 1.2h at 250 DEG C, carries out coating to preheated tubing, heating equipment is preheating to 180 degrees Celsius after spraying
The substrate sprayed is solidified, after painting installs, solidification case is put into and solidifies 15 minutes to obtain finished product at 200 DEG C；
Step 8: it cutting: by the PE tubing produced according to setting fixed length is required, is then cut, is cut by cutting machine
Cutting mill is different according to the PE tubing specification of production, adjustment technology pulse, feed velocity and cutting diameter；
Step 9: packaging: the tubing after cutting shifts roll-over table onto, through inspection after, qualified product is packed and stored, it is unqualified then
It crushes and recycles.
PE100 is that a kind of crystallinity is high, nonpolar thermoplastic resin, and high density polyethylene (HDPE) is kind of a white powder graininess
Product, nontoxic, tasteless, density is within the scope of 0.940-0.976g/cm3；Crystallinity is 80-90%, softening point 125-135
DEG C, using temperature up to 100 DEG C；120-160 DEG C of fusion temperature, material biggish for molecule, it is proposed that fusion temperature range exists
Between 200-250 DEG C；It has good heat resistance and cold resistance, and chemical stability is good, rigidity and toughness also with higher,
Mechanical strength is good；Dielectric properties, environmental stress crack resistance are also preferable；Wearability, electrical insulating property, toughness and cold resistance compared with
It is good；Chemical stability is good, at room temperature, does not dissolve in any organic solvent, the corrosion of acid and alkali resistance and various salts；
PE pipe after sandblasting, coating, solidification has good electric insulating quality, will not generate galvanic corrosion, and water absorption rate is low, mechanical
Intensity is high, and coefficient of friction is small, can achieve the purpose that long-time service；Root system of plant and soil environment stress can also effectively be prevented
Destruction etc.；PE pipe after sandblasting, coating, solidification has excellent anti-corrosive properties, weatherability and an electric insulating quality, in use process
Will not because environment generate corrosion or galvanic corrosion, the service life used is long, the PE inside pipe wall after sandblasting, coating, solidification it is bright and clean
Spend that high, water absorption rate is low, the frictional resistance generated during pumped (conveying) medium is smaller, more efficient；Not incrustation will not generate
The problem of bacteria breed, can effectively ensure that the quality of medium, have its excellent comprehensive performance, very strong corrosion resistance and
Mechanicalness, good chemical-resistant stability and water resistance have the effects of drag reduction, anti-corrosion, resistance to compression, antibacterial, it is not generally by defeated
Send the restriction of medium, coating material: epoxy powder is suitable for 80 DEG C of working environments below, and coating has high adhesive force,
Coating hardness is high, impact resistance is good, and has preferable resistance to chemical corrosion.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of etch-proof PE tubing manufacture craft, which comprises the steps of:
Step 1: raw material and equipment prepare: raw material includes: PE100 resin, 2% color masterbatch, epoxy powder；Equipment includes squeezing out
Machine, drying box, vacuum sizing box, Electric heat oven, solidification case, shower cooling box, cutting machine；
Step 2: dry: PE100 resin, 2% color masterbatch, epoxy powder are dried；
Step 3: mixing, drying: PE100 resin, 2% color masterbatch after will be dry in step 2 be mixed, and are stirred
It is even, and mixture after mixing evenly is placed in drying box and is dried；
Step 4: plasticizing squeezes out: the mixture after mixing, drying enters extruder by hopper, through conveying, compression, melting, equal
Under change effect, elastomeric state is become from solid-granular material, then viscous state is become from elastomeric state, and continuously squeeze out；
Step 5: mold molding: the melting charge squeezed out from extruder introduces mold, merges after helical shunt in profiled section
Compacting is tubular parison, finally from die extrusion；
Step 6: cooling and shaping: the heat pipe base squeezed out from mold passes through the sizing of calibration sleeve vacuum sizing box under negative pressure state
And cooling, using spray woods cooler bin by cooling inside tubing, integrally curing sizing；
Step 7: sandblasting, coating, solidification: carrying out sandblasting to the steel pipe after solidifying and setting, and the good steel pipe of sandblasting is put into electric heating and is dried
Case is preheated, and is carried out coating after painting installs to preheated tubing and is put into solidification case and solidifies to obtain finished product；
Step 8: it cutting: by the PE tubing produced according to setting fixed length is required, is then cut by cutting machine；
Step 9: packaging: the tubing after cutting shifts roll-over table onto, and after examining, qualified product is packed and stored, unqualified, crushes
It recycles.
2. a kind of etch-proof PE tubing manufacture craft according to claim 1, it is characterised in that: in the step 2,
Dry moisture content of the raw material < 8%.
3. a kind of etch-proof PE tubing manufacture craft according to claim 1, it is characterised in that: in the step 3,
Mixture after mixing evenly is placed in drying box and is dried, the moisture content < 4% after drying.
4. a kind of etch-proof PE tubing manufacture craft according to claim 1, it is characterised in that: in the step 5,
Mold is before use, heat preservation 20-30min.
5. a kind of etch-proof PE tubing manufacture craft according to claim 1, it is characterised in that: in the step 6,
The outer diameter 1-3mm of the internal diameter > PE tubing of calibration sleeve.
6. a kind of etch-proof PE tubing manufacture craft according to claim 1, it is characterised in that: in the step 7,
Sandblasting is carried out to the steel pipe after solidifying and setting, the good steel pipe of sandblasting is put into Electric heat oven at 200-250 DEG C and preheats 1.2-
1.8h。
7. a kind of etch-proof PE tubing manufacture craft according to claim 6, it is characterised in that: in the step 7,
Heating equipment is preheating to 180 degrees Celsius and solidifies to the substrate sprayed after spraying.
8. a kind of etch-proof PE tubing manufacture craft according to claim 7, it is characterised in that: in the step 7,
Coating is carried out to preheated tubing, after painting installs, solidification case is put into and solidifies 15 minutes to obtain finished product at 200 DEG C.
9. a kind of etch-proof PE tubing manufacture craft according to claim 1, it is characterised in that: in the step 8,
Cutting machine is different according to the PE tubing specification of production, adjustment technology pulse, feed velocity and cutting diameter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910479859.8A CN110239052A (en) | 2019-06-04 | 2019-06-04 | A kind of etch-proof PE tubing manufacture craft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910479859.8A CN110239052A (en) | 2019-06-04 | 2019-06-04 | A kind of etch-proof PE tubing manufacture craft |
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| CN110239052A true CN110239052A (en) | 2019-09-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886523A (en) * | 2021-01-11 | 2021-06-01 | 江苏云轩达电力科技有限公司 | Anti-drag flame-retardant corrosion-resistant cable protection pipe and preparation process thereof |
| CN113290898A (en) * | 2021-05-25 | 2021-08-24 | 安徽杰蓝特新材料有限公司 | Corrosion-resistant drainage pipeline and preparation method thereof |
| WO2022021487A1 (en) * | 2020-07-31 | 2022-02-03 | 临海伟星新型建材有限公司 | Manufacturing method for high-rigidity pe pipeline |
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| CN105032728A (en) * | 2015-07-31 | 2015-11-11 | 安徽得力汽车部件有限公司 | Method for antiseptic treatment of inner sleeve |
| CN105128374A (en) * | 2015-08-24 | 2015-12-09 | 江苏洁润管业有限公司 | PE pipe production technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20190917 |