CN103341991A - Composite plate made of plastic waste and preparation process of composite plate - Google Patents
Composite plate made of plastic waste and preparation process of composite plate Download PDFInfo
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- CN103341991A CN103341991A CN2013102908488A CN201310290848A CN103341991A CN 103341991 A CN103341991 A CN 103341991A CN 2013102908488 A CN2013102908488 A CN 2013102908488A CN 201310290848 A CN201310290848 A CN 201310290848A CN 103341991 A CN103341991 A CN 103341991A
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- composite plate
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- steel net
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a composite plate made of plastic waste and a preparation process of the composite plate. The composite plate comprises a plastic body and steel wire net pads, wherein 2 to 5 layers of steel wire net pads are arranged in the plastic body. The preparation process of the composite plate comprises the following steps of: breaking waste material breaking, namely adding waste materials of the plastic waste into a shredder and breaking the waste materials; squeezing, namely conveying an obtained mixture into a squeezer and squeezing water; airing and separating, namely conveying the obtained mixture into a separator and airing and separating the obtained mixture; carrying out internal mixing and extrusion, namely, conveying fiber plastic which is obtained by separation into an internal mixer, pressurizing, internally mixing, and extruding the fiber plastic through an extruder; paving net pad and pouring plastic fiber, namely, putting 2 to 5 layers of steel wire net pads into a mold in advance and extruding extruded plastic fibers into the mold; carrying out cooling molding. The composite plate is simple in process; industrial waste materials serve as raw materials, so that the cost is low; by the adoption of the steel wire net pads, the load bearing capacity of the composite plate can be improved; compared with a plurality of existing plastic composite plates, the composite plate has comprehensive functions and is wide in application.
Description
Technical field
The invention belongs to mold pressing composite plate technical field, especially relate to composite plate and preparation technology thereof that a kind of plastic refuse is made.
Background technology
Plastic refuse, namely plastic garbage is the important component part of municipal refuse, but also in continuous growth.Current plastic garbage all is mixed collection usually, classifies basically, and this situation is the possibility long-term existence also, even also allow of no optimist in the city of advocating refuse classification.Therefore, carrying out blending and modifying, not have the method for letter sorting disposal of plastic waste resource reutilization imperative, and first target that waste plastics recovery is handled is that the discarded object after the consumption is reclaimed as resource circulation utilization, to reduce the consumption of limited resources.And present composite panel of plastic material is integrated by raw material mostly, and this products material cost is higher, and the product after the moulding is easy to generate slight crack in the middle of use, be unfavorable for long use, therefore is necessary to improve.
Summary of the invention
The objective of the invention is the deficiency that exists at above-mentioned prior art, provide a kind of makings simple, with low cost, thereby effectively disposal of plastic waste also can change into composite plate that raw materials for production prepare and the preparation technology of this composite plate.
To achieve these goals, the technical solution adopted in the present invention is: the composite plate that a kind of plastic refuse is made, comprise plastic body and steel net pad, and be provided with 2 ~ 5 layers steel net pad in the described plastic body.
Described steel net pad is that the steel wire bar of 0.5~3.5mm constitutes by diameter, and distance is 5~35mm between the steel wire bar of adjacent, parallel.
The preparation technology of the composite plate that plastic refuse is made, it comprises the steps:
A, waste material fragmentation: plastic refuse be need not letter sorting, join in the shredder broken together;
B, extract: the mixture of step a gained is transported in the machine of extracting, by the spiral extruding of pressurizeing continuously the moisture in the mixture is extruded;
C, air-dry separation: the mixture of step b gained is transported in the seperator, by the selection by winnowing separating metal, sandstone, and preliminary low temperature is air-dry;
D, banburying are extruded: step c impurity separate the resulting plastics in back and modifier, filler, the look mother is transported to the banburying of pressurizeing in the banbury, the mixture that obtains after the banburying is plastified ripe material by extruder and modification is extruded under 160~190 ℃ of conditions;
E, lapping pad and water injection molding material: put into 2 ~ 5 layers of steel net pad in advance in mould, the thick shape plastics that steps d is extruded are squeezed in the mould again, allow it finish fusion by extruding;
F, cooling forming.
The shape of the mould among the described step e changes according to the variation of composite plate shape; The shape of described steel net pad is identical with the mould tangent plane.
The present invention compares the advantage that has with prior art: technology of the present invention is simple, and it adopts plastic refuse is that raw material is cheaper by cost; Add steel net pad in the moulding plastics body interior and can improve its weight capacity, to compare its function more comprehensive with more existing composite panel of plastic material, uses more extensive.
The specific embodiment
The following stated only is preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
Embodiment: the composite plate that a kind of plastic refuse is made, comprise plastic body and steel net pad, be provided with 2 ~ 5 layers steel net pad in the described plastic body.Described steel net pad is that the steel wire bar of 0.5~3.5mm constitutes by diameter, and distance is 5~35mm between the steel wire bar of adjacent, parallel, criss-cross arrangement between the described adjacent wires gauze pad, and namely the longitudinal surface of last layer is relative with the athwartship plane of following one deck.
Prepare the technology of above-mentioned composite plate, it comprises the steps:
A, waste material fragmentation: plastic refuse is joined fragmentation in the shredder together, need not letter sorting;
B, extract: the mixture of step a gained is transported in the machine of extracting, by spiral is continuously extruded moisture in the mixture is extruded;
C, air-dry separation: the mixture of step b gained is transported in the seperator, and by the selection by winnowing of centrifugal blower, heavy density particle such as meetings such as metal, sandstone are dished out, and waste plastics carries out preliminary low temperature under the effect of high pressure positive blower air-dry;
D, banburying are extruded: step c impurity separate the resulting plastics in back and modifier, filler, the look mother is transported to the banburying of pressurizeing in the banbury, the mixture that obtains after the banburying plastified ripe material by extruder and extrude by the extruder modification under 160~190 ℃ of condition;
E, lapping pad and cast plastic optical fibre: in mould, put into 2 ~ 5 layers of steel net pad in advance, the lay of steel net pad adopts crisscross, the longitudinal surface that is last layer is relative with the athwartship plane of following one deck, and the thick shape plastics that steps d is extruded are squeezed in the mould again, allow it finish fusion by extruding; Before mold filling, need even preheated mold, make the mold filling material have excellent rheological property, filling pressure is no more than 8~10m Pa, to guarantee the extrudate density uniformity;
F, cooling forming.
The shape of the mould among the described step e changes according to the variation of composite plate shape; The shape of described steel net pad is identical with mould.According to the difference of mold shape, different effects be can play after the moulding of the present invention, as floor tile or the storage transportation tray of different size can be made into, meter box, the inspection shaft lid also can be made as hard shoulder different kinds of roads means of transportation such as plastics flap.
Claims (4)
1. the composite plate that plastic refuse is made is characterized in that: comprise plastic body and steel net pad, be provided with 2 ~ 5 layers steel net pad in the described plastic body.
2. the composite plate made of plastic refuse according to claim 1 is characterized in that: described steel net pad is that the steel wire bar of 0.5~3.5mm constitutes by diameter, and distance is 5~35mm between the steel wire bar of adjacent, parallel.
3. the preparation technology of the composite plate made of plastic refuse as claimed in claim 1, it is characterized in that: it comprises the steps:
A, waste material fragmentation: plastic refuse be need not letter sorting, join in the shredder broken together;
B, extract: the mixture of step a gained is transported in the machine of extracting, by the spiral extruding of pressurizeing continuously the moisture in the mixture is extruded;
C, air-dry separation: the mixture of step b gained is transported in the seperator, by the selection by winnowing separating metal, sandstone, and preliminary low temperature is air-dry;
D, banburying are extruded: step c impurity separate the resulting plastics in back and modifier, filler, the look mother is transported to the banburying of pressurizeing in the banbury, the mixture that obtains after the banburying is plastified ripe material by extruder and modification is extruded under 160~190 ℃ of conditions;
E, lapping pad and water injection molding material: put into 2 ~ 5 layers of steel net pad in advance in mould, the thick shape plastics that steps d is extruded are squeezed in the mould again, allow it finish fusion by extruding;
F, cooling forming.
4. the preparation technology of the composite plate made of plastic refuse according to claim 3, it is characterized in that: the shape of the mould among the described step e changes according to the variation of composite plate shape; The shape of described steel net pad is identical with the mould tangent plane.
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CN2013102908488A CN103341991A (en) | 2013-07-11 | 2013-07-11 | Composite plate made of plastic waste and preparation process of composite plate |
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CN2013102908488A CN103341991A (en) | 2013-07-11 | 2013-07-11 | Composite plate made of plastic waste and preparation process of composite plate |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105058821A (en) * | 2015-09-06 | 2015-11-18 | 湖南沪钛科技有限公司 | Equipment for manufacturing composite board and manufacturing method of composite board |
CN110466089A (en) * | 2019-09-09 | 2019-11-19 | 界首市亚鑫塑业科技有限公司 | A kind of processing technology using waste PET bottle piece production composite board |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5675837A (en) * | 1979-11-27 | 1981-06-23 | Kurabo Ind Ltd | Fiber reinforced composite foamed material and its preparation |
CN2124132U (en) * | 1992-05-21 | 1992-12-09 | 杜春海 | Composite plastic board |
CN2451317Y (en) * | 2000-11-13 | 2001-10-03 | 西安建筑科技大学 | Nanometre metal net-polyurethane elastic body wearproof sheathing board |
CN102825791A (en) * | 2012-09-04 | 2012-12-19 | 广州市威格林环保科技有限公司 | Production method for wood-plastic composite material |
-
2013
- 2013-07-11 CN CN2013102908488A patent/CN103341991A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5675837A (en) * | 1979-11-27 | 1981-06-23 | Kurabo Ind Ltd | Fiber reinforced composite foamed material and its preparation |
CN2124132U (en) * | 1992-05-21 | 1992-12-09 | 杜春海 | Composite plastic board |
CN2451317Y (en) * | 2000-11-13 | 2001-10-03 | 西安建筑科技大学 | Nanometre metal net-polyurethane elastic body wearproof sheathing board |
CN102825791A (en) * | 2012-09-04 | 2012-12-19 | 广州市威格林环保科技有限公司 | Production method for wood-plastic composite material |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105058821A (en) * | 2015-09-06 | 2015-11-18 | 湖南沪钛科技有限公司 | Equipment for manufacturing composite board and manufacturing method of composite board |
CN105058821B (en) * | 2015-09-06 | 2018-04-24 | 湖南沪钛科技有限公司 | A kind of production method for the equipment and hard board for making hard board |
CN110466089A (en) * | 2019-09-09 | 2019-11-19 | 界首市亚鑫塑业科技有限公司 | A kind of processing technology using waste PET bottle piece production composite board |
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Application publication date: 20131009 |