CN104197109B - Based on the preparation method of the PE double-layer composite pipe of waste plastic - Google Patents
Based on the preparation method of the PE double-layer composite pipe of waste plastic Download PDFInfo
- Publication number
- CN104197109B CN104197109B CN201410400949.0A CN201410400949A CN104197109B CN 104197109 B CN104197109 B CN 104197109B CN 201410400949 A CN201410400949 A CN 201410400949A CN 104197109 B CN104197109 B CN 104197109B
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- China
- Prior art keywords
- waste plastic
- double
- pipe fitting
- layer composite
- composite pipe
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- Expired - Fee Related
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- 239000004033 plastic Substances 0.000 title claims abstract description 61
- 229920003023 plastic Polymers 0.000 title claims abstract description 61
- 239000002699 waste material Substances 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 7
- 230000003064 anti-oxidating effect Effects 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- 239000000047 product Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- RTKIYNMVFMVABJ-UHFFFAOYSA-L thimerosal Chemical compound [Na+].CC[Hg]SC1=CC=CC=C1C([O-])=O RTKIYNMVFMVABJ-UHFFFAOYSA-L 0.000 claims description 8
- 229940033663 thimerosal Drugs 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 230000007096 poisonous effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
Abstract
The invention discloses a kind of PE double-layer composite pipe based on waste plastic, comprise the pipe fitting be made up of the waste plastic through processing process outer, with the pipe fitting internal layer be made up of PE material be squeezed on the outer inwall of this pipe fitting, the outer field outer wall of described pipe fitting is also coated with anti oxidation layer, and is also coated with anticorrosive coat on the inwall of described pipe fitting internal layer.Meanwhile, the invention also discloses corresponding preparation method, by the present invention, the high-quality not only achieving waste plastic is recycled, and reduces the cost of existing PE multiple tube, and economic worth and promotional value are all very huge.
Description
Technical field
The present invention relates to a kind of double-deck pipe fitting, specifically, relate to a kind of PE double-layer composite pipe based on waste plastic and preparation method thereof
.
Background technology
Double-deck pipe fitting is a kind of very common multiple tube, is usually used in the artificial coal gas, natural gas, petroleum liquid etc. of carrying gaseous state, applies very extensive at oil, chemical field.PE tubing has the characteristics such as intensity is high, high temperature resistant, anticorrosive, nontoxic, wear-resisting, but its price is expensive too, and this also greatly limit the further application of PE tubing.How while guarantee pipe performance, to reduce its production cost, be the difficult problem expecting to solve of the same trade always.
Summary of the invention
The object of the present invention is to provide a kind of PE double-layer composite pipe based on waste plastic, solve the problem that existing double-deck PE pipe cost is high.
To achieve these goals, the technical solution used in the present invention is as follows:
Based on the PE double-layer composite pipe of waste plastic, comprise the pipe fitting be made up of the waste plastic through processing process outer, with the pipe fitting internal layer be made up of PE material be squeezed on the outer inwall of this pipe fitting, the outer field outer wall of described pipe fitting is also coated with anti oxidation layer, and is also coated with anticorrosive coat on the inwall of described pipe fitting internal layer.
Further, the end face of the coated whole multiple tube of described anticorrosive coat.
The invention also discloses the preparation method of the above-mentioned PE double-layer composite pipe based on waste plastic, comprise the following steps:
(1) use thimerosal to rinse the waste plastic raw material reclaimed, soak, then carry out removal of impurities, dedusting;
(2) smashing waste plastics, obtain the broken thing of path length 5-10mm;
(3) broken thing is placed in melts in glue machine, add talcum powder and phase solvent simultaneously, obtain mixture, mixture is fully stirred, then at 200 DEG C ~ 220 DEG C temperature, mixture is melted, obtain liquefied mixture;
(4) first extruded by extruder by PE material, obtain pipe fitting internal layer, the liquefied mixture then step (3) obtained sends into injection machine, and on the outer wall of pipe fitting internal layer, injection moulding obtains pipe fitting skin;
(5) carry out extruded to pipe fitting internal layer and pipe fitting skin, obtain double-layer composite pipe finished product.
For guaranteeing Disinfection Effect, simultaneously cost-saving, the thimerosal containing impurity, after high pressure washing, also filters by described step (1), waste plastic to be soaked in filtrate at least 10 minutes.
Further, by coating machine anticorrosive coating on the inwall of double-layer composite pipe finished product.
Again further, on the outer wall of double-layer composite pipe finished product, anti oxidation layer is applied by coating machine.
Preferably, described extruder is double screw extruder.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention is under the prerequisite not changing pipe fitting internal layer, adopts waste plastic to make pipe fitting outer, so both ensure that the overall performance of double-deck pipe fitting, reduced again the production cost of PE pipe fitting, kill two birds with one stone by the utilization of waste plastic.
(2) waste plastic is recycled by the present invention, has both avoided the pollution of plastic garbage to environment, achieves again waste plastic recycling, substantially increases the value of plastic products.
(3) waste plastic is before recovery, often be among filthy environment, raw material not only carry various filthy impurity, even also may carry virus, the present invention, when producing, first uses thimerosal to carry out disinfection to waste plastic, improve Production environment quality on the one hand, improve security, thimerosal can be utilized to rinse waste plastic on the other hand, the preliminary large granular impurity removed waste plastic and carry; Follow-up removal of impurities dedusting then removes fine impurities remaining on waste plastic further, so just makes that waste plastic composition is single, raw material is pure, for subsequent production has established solid foundation.
(4) the present invention adopts and melts glue machine waste plastic is melted into liquid state, and utilize talcum powder and phase solvent to make different component, the plastics of material fully merge, thus make liquefied mixture become a kind of stable performance without the brand-new plastics repelled, fundamentally ensure that the outer field quality of pipe fitting, avoid the problem that different plastics cannot merge the pipe fitting skin cracking that may cause.
(5) present invention incorporates Shooting Technique and extrusion process, the overall performance of PE double-layer composite pipe is made to obtain effective guarantee, all greatly improve in reliability and durability compared with the double-deck pipe fitting of routine, overall performance attains a yet higher goal, and practical value is more obvious.
(6) the present invention is also coated with anticorrosive coat and anti oxidation layer respectively on the inner and outer wall of double-layer composite pipe, makes the performance of pipe fitting obtain further raising.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
PE double-layer composite pipe disclosed by the invention, its core is the pipe fitting internal layer that PE material is made, and utilizes PE properties of materials to ensure the main performance index of multiple tube.In the outside of pipe fitting internal layer, be also provided with pipe fitting skin, pipe fitting skin adopts the waste plastic reclaimed to be made.
As one of main characteristics of the present invention, before production, need first to carry out necessary processing process to the waste plastic just reclaimed.First, for ensureing the environmental quality in production process, guaranteeing the physical and mental health of direct labor, needing first to carry out disinfection to waste plastic.Because waste plastic is often in filthy environment, in the environment such as such as rubbish heap, dustbin, ditch, it must carry a large amount of impurity and poisonous and harmful substance, bacterium, and therefore, disinfection first must do, carry out.Considering also can doped with particulate contamination in waste plastic, for improving pipe fitting quality, must avoid occurring impurity in raw material, therefore the present invention selects thimerosal first to rinse waste plastic, soak again, on the one hand the particulate contamination in waste plastic being separated with waste plastic, reaching the object of preliminary removal of impurities, all eliminating by soaking the poisonous and harmful substance, the bacterium that make waste plastic carries on the other hand.Specifically, first use high-pressure washing equipment to rinse waste plastic, thimerosal after flushing is by filter filtering impurity wherein, then be delivered in fermentation vat, then the waste plastic after rinsing to be soaked in fermentation vat 15 minutes, the poisonous and harmful germ that waste plastic carries all is killed; Afterwards waste plastic is taken out and dry, then to its further removal of impurities, dedusting, ensure the raw material quality of waste plastic with this.
Afterwards, all waste plastics are broken into the broken thing of sheet that path length is 5mm, send into melt in glue machine and be melted into liquid plastic, all waste plastics are merged mutually, becomes a kind of raw material that can recycle.For improving the degrees of fusion of different plastics, adding talcum powder and phase solvent when melting to melting in glue machine, by the effect of talcum powder and phase solvent, making solid plastics in melting process, naturally be fused into a kind of new raw material plastics, for ensureing syncretizing effect, melt temperature is good with 200 DEG C.
While fusion waste plastic, PE raw material are sent into double screw extruder and extrudes, obtain pipe fitting internal layer.In pipe fitting after formable layer, the liquid plastic after merging is sent in injection machine, to the outer surface injection moulding of pipe fitting internal layer, forms pipe fitting outer.Finally, carry out extruded to pipe fitting skin and pipe fitting internal layer, obtain PE double-layer composite pipe finished product.
In order to improve the overall performance of finished product multiple tube, one deck anticorrosive coat can also be applied again on the inwall of pipe fitting internal layer, to improve its antiseptic property.In addition, consider the aerial problem of oxidation of plastics, one deck anti oxidation layer can also be applied again on the outer field outer wall of pipe fitting, to improve the oxidation resistance of pipe fitting, thus extend the service life of double-layer composite pipe.
The present invention not only achieves the recycling of waste plastic, reduces the production cost of PE multiple tube, and effectively improves the security in production process, has very great economic worth and application value.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as adopt design principle of the present invention, and the change carried out non-creativeness work on this basis and make, all should belong within protection scope of the present invention.
Claims (5)
1., based on the preparation method of the PE double-layer composite pipe of waste plastic, it is characterized in that, comprise the following steps:
(1) thimerosal is used to carry out high pressure washing, then removal of impurities, dedusting to the waste plastic raw material reclaimed;
(2) smashing waste plastics, obtain the broken thing of path length 5-10mm;
(3) broken thing is placed in melts in glue machine, add talcum powder and phase solvent simultaneously, obtain mixture, mixture is fully stirred, then at 200 DEG C ~ 220 DEG C temperature, mixture is melted, obtain liquefied mixture;
(4) first extruded by extruder by PE material, obtain pipe fitting internal layer, the liquefied mixture then step (3) obtained sends into injection machine, and on the outer wall of pipe fitting internal layer, injection moulding obtains pipe fitting skin;
(5) carry out extruded to pipe fitting internal layer and pipe fitting skin, obtain double-layer composite pipe finished product.
2. the preparation method of the PE double-layer composite pipe based on waste plastic according to claim 1, it is characterized in that, thimerosal containing impurity, after high pressure washing, also filters by described step (1), waste plastic to be soaked in filtrate at least 10 minutes.
3. the preparation method of the PE double-layer composite pipe based on waste plastic according to claim 2, is characterized in that, by coating machine anticorrosive coating on the inwall of double-layer composite pipe finished product.
4. the preparation method of the PE double-layer composite pipe based on waste plastic according to claim 3, is characterized in that, apply anti oxidation layer by coating machine on the outer wall of double-layer composite pipe finished product.
5. the preparation method of the PE double-layer composite pipe based on waste plastic according to claim 4, is characterized in that, described extruder is double screw extruder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410400949.0A CN104197109B (en) | 2014-08-15 | 2014-08-15 | Based on the preparation method of the PE double-layer composite pipe of waste plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410400949.0A CN104197109B (en) | 2014-08-15 | 2014-08-15 | Based on the preparation method of the PE double-layer composite pipe of waste plastic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104197109A CN104197109A (en) | 2014-12-10 |
| CN104197109B true CN104197109B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410400949.0A Expired - Fee Related CN104197109B (en) | 2014-08-15 | 2014-08-15 | Based on the preparation method of the PE double-layer composite pipe of waste plastic |
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| Country | Link |
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| CN (1) | CN104197109B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972331B (en) * | 2016-06-29 | 2018-07-13 | 巢湖鹏远金属焊管有限公司 | High tenacity aluminum plastic composite pipe |
| CN106949319A (en) * | 2017-04-04 | 2017-07-14 | 东莞市昶源涂装配件有限公司 | The double-layer plastic pipeline and its forming method of a kind of wear-resistance and anti-corrosion |
Citations (5)
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|---|---|---|---|---|
| CN1093054A (en) * | 1994-03-14 | 1994-10-05 | 赖新庆 | Utilize the method for useless composite soft packaging beverage cartridges and the small package packaging container made from this method |
| CN2402900Y (en) * | 1999-12-10 | 2000-10-25 | 姜尊立 | Composite plastic drinking water pipe |
| CN2688769Y (en) * | 2004-04-15 | 2005-03-30 | 新疆永昌复合材料股份有限公司 | Reinforced thermosetting resin sanding inclusing jacking pipe with fibre winding |
| CN102863677A (en) * | 2012-09-28 | 2013-01-09 | 四川塑金科技有限公司 | Special modified recycled polyethylene material for pipes and pipe fittings and preparation method of special modified recycled polyethylene material |
| CN202733207U (en) * | 2012-08-27 | 2013-02-13 | 东台市天龙塑料制品厂 | NovelPE (polyethylene) tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100436852B1 (en) * | 2001-09-18 | 2004-06-22 | 그린폴리텍(주) | Method and apparatus for manufacturing a plastic pipe of triple layers using plastic salvage |
-
2014
- 2014-08-15 CN CN201410400949.0A patent/CN104197109B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093054A (en) * | 1994-03-14 | 1994-10-05 | 赖新庆 | Utilize the method for useless composite soft packaging beverage cartridges and the small package packaging container made from this method |
| CN2402900Y (en) * | 1999-12-10 | 2000-10-25 | 姜尊立 | Composite plastic drinking water pipe |
| CN2688769Y (en) * | 2004-04-15 | 2005-03-30 | 新疆永昌复合材料股份有限公司 | Reinforced thermosetting resin sanding inclusing jacking pipe with fibre winding |
| CN202733207U (en) * | 2012-08-27 | 2013-02-13 | 东台市天龙塑料制品厂 | NovelPE (polyethylene) tube |
| CN102863677A (en) * | 2012-09-28 | 2013-01-09 | 四川塑金科技有限公司 | Special modified recycled polyethylene material for pipes and pipe fittings and preparation method of special modified recycled polyethylene material |
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| Publication number | Publication date |
|---|---|
| CN104197109A (en) | 2014-12-10 |
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Granted publication date: 20160406 |