CN102432938B - Regenerated composite material applicable to manufacturing well rings and well covers - Google Patents

Regenerated composite material applicable to manufacturing well rings and well covers Download PDF

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Publication number
CN102432938B
CN102432938B CN 201110259758 CN201110259758A CN102432938B CN 102432938 B CN102432938 B CN 102432938B CN 201110259758 CN201110259758 CN 201110259758 CN 201110259758 A CN201110259758 A CN 201110259758A CN 102432938 B CN102432938 B CN 102432938B
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China
Prior art keywords
composite material
waste
regenerated composite
rosin
well lid
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Expired - Fee Related
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CN 201110259758
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Chinese (zh)
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CN102432938A (en
Inventor
许开强
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MINQIN COUNTY WEIRUI ENVIRONMENTAL PROTECTION CO Ltd
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MINQIN COUNTY WEIRUI ENVIRONMENTAL PROTECTION CO Ltd
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Priority to CN 201110259758 priority Critical patent/CN102432938B/en
Publication of CN102432938A publication Critical patent/CN102432938A/en
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Publication of CN102432938B publication Critical patent/CN102432938B/en
Expired - Fee Related legal-status Critical Current
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  • Processing Of Solid Wastes (AREA)

Abstract

The invention relates to a building engineering material, in particular to a regenerated composite material, which is convenient in matching ratio, simple in operation and low in cost, meets various performance indexes and is applicable to manufacturing well rings and well covers. The regenerated composite material comprises the following components in percent by weight: 60-65% of waste polyethylene, 30-35% of waste nickel sand, 1-3% of anti-ageing agent, 1-3% of rosin and 1-2% of waste engine oil, wherein the coumarone with the same percent can be used for replacing the rosin. Compared with the prior art, the regenerated composite material has the beneficial effects that the waste polyethylene and the waste nickel sand are adopted as main raw materials of the material; under the premise of ensuring the performance indexes, the used amount of the waste nickel sand is reduced, and simultaneously a simpler and effective aid is adopted, so that the resource is saved, the cost is reduced, the environment is protected and large economic benfit and environmental benefit are created; and the compression strength is good, the bearing capability is high, the matching is convenient, the operation is simple, and the use is convenient, so that the regenerated composite material is very beneficial to production and application.

Description

A kind of regenerated composite material that is applicable to make walling crib, well lid
Technical field
The present invention relates to a kind of architecture engineering material, be specially a kind of regenerated composite material that is applicable to make walling crib, well lid.
Background technology
On the street in city, the inspection chamber of the various uses that is seen everywhere, inspection chamber, fire-fighting inspection chamber, combustion gas inspection chamber, power check well, communication inspection chamber etc. for example supply water, what mostly all adopts is well lid and the walling crib that traditional cast iron is made inspection chamber, although the supporting capacity of casting iron well lid is strong, its material cost is with to expend the energy large, perishable its various aspects of performance index that affects, need to make regular check on, and because it has higher recovery value, so often stolen; Be corrosion or stolenly all may cause various accidents that the little normal operation that then affects various systems greatly then may cause casualties and financial loss.
The problem that exists in order to solve above-mentioned technology medium cast iron well lid and walling crib, well lid and walling crib that matrix material just occurred, what existing combined manhole cover all adopted is that the waste or used plastics that reclaims is done matrix, do toughener with abandoned mine slag or flyash, then add various auxiliary agents, compound through stirring again, extrude the compression moulding of pressurizeing at last after the fusing of heating.Wherein to be mainly polyethylene, polypropylene and polyvinyl chloride be main to waste or used plastics, and polyethylene comprises again Low Density Polyethylene and high-pressure polyethylene, and the hardness of high density polyethylene(HDPE) is relatively better; But still can not meet the demands, and various waste or used plastics mix, also further reduced material hardness, do toughener so add abandoned mine slag or flyash, the general toughener that adds is more, the intensity of making at last material is larger, the consequent is that fragility also can be larger, therefore waste or used plastics and all be controlled at about 1: 1 as abandoned mine slag or the ratio of flyash of toughener in the prior art, and need the miscellaneous auxiliary agent of adding to adjust properties of materials, just can make its various performance index that satisfy well lid and walling crib, troublesome poeration, proportioning is loaded down with trivial details, is unfavorable for improving producing and the simplification processing sequence.
Summary of the invention
The object of the present invention is to provide a kind of proportioning convenient, simple to operate, with low cost and satisfy the regenerated composite material that is applicable to make walling crib, well lid of property indices.
A kind of regenerated composite material that is applicable to make walling crib, well lid is characterized in that, each component and the weight percent of described material are: waste polyethylene 61%-65%, useless nickel sand 31%-35%, anti-aging agent 1%-3%, rosin 1%-3%, used oil 1%-2%.
Further, describedly a kind ofly be applicable to make in the regenerated composite material of walling crib, well lid, each component and weight percent are: waste polyethylene 62%, useless nickel sand 33%, anti-aging agent 2%, rosin 2%, used oil 1%.
Further, describedly a kind ofly be applicable to make in the regenerated composite material of walling crib, well lid, the coumarone of available same composition replaces described rosin.
The present invention has the following advantages compared to existing technology:
1) main two kinds of component waste polyethylenes and useless nickel sand in the described material, and the used oil in other three kinds of components of adding is the waste and scrap of recovery, economize on resources, solved the problem that well lid is lost, especially saved a large amount of metallic substance, also reduce simultaneously cost, reduce and sell and maintenance cost, greatly saved municipal funds.
2) owing to the main raw material that has adopted waste polyethylene and useless nickel sand as material, solved the problem of waste and old mulch film, handbag and the difficult contaminate environment of daily plastic articles, solved again the problem of useless nickel sand wash land occupation contaminate environment, turn waste into wealth, created huge economic benefit and environmental benefit.
3) simple adopt the matrix of waste polyethylene as material, waste polyethylene can form preferably high density polyethylene(HDPE) of toughness in the operation of following process, thereby the ultimate compression strength of the well lid of making and walling crib is good, supporting capacity significantly improves, combine together with useless nickel sand and auxiliary agent simultaneously, physical strength further promotes.
4) in the material component; the ratio of waste polyethylene and useless nickel sand is about 2: 1; increase by 37% than plastic waste consumption of the prior art; and the consumption of abandoned mine sand and flyash has reduced 27%; under the prerequisite that guarantees that material property is constant or even improve; the cost of abandoned mine slag and the flyash still cost than waste or used plastics is high; add that the waste or used plastics environmental disruption that is referred to as white pollution will be far longer than abandoned mine slag and the flyash that is called as grey rubbish; therefore the content increase of waste polyethylene in the material; the content decrease of useless nickel sand can make material lighten; cost; and can more be conducive to the protection of environment, the further expansion of the economic benefit that can get and social benefit.
5) auxiliary agent in the middle of the material component only adopts three kinds of anti-aging agent, used oil and rosin or coumarones, the various performance index of material have been guaranteed with the simple common composition that is easy to get, proportioning is convenient, meanwhile will inevitably bring the simplification of technique and program, simplify the operation, the convenient use is beneficial to and produces and use very much.
Embodiment
Example 1
A kind of regenerated composite material that is applicable to make walling crib, well lid, its each component and weight percent are: waste polyethylene 62%, useless nickel sand 33%, anti-aging agent 2%, rosin 2%, used oil 1%.
Prepare walling crib with it, the technical process of well lid is: add successively in the stir mixing machine under whipped state said components by weight percentage, after mixing under the high speed that per minute 1170 turns, compound is together joined in the screw rod degassing extruder, under 230 ℃ high temperature, carry out mixed smelting, after making compound form thick matrix material, in situation about not cooling off, from the screw rod degassing extruder, be sent in the middle of the mould that designs, then use the pressing machine matched moulds at the high pressure compacted under of 315t, obtain required walling crib and well lid after the last water circulating cooling.
Example 2
A kind of regenerated composite material that is applicable to make walling crib, well lid, its each component and weight percent are: waste polyethylene 61%, useless nickel sand 31%, anti-aging agent 3%, rosin 3%, used oil 2%.
The technical process of its preparation walling crib, well lid is described with example 1.
Example 3
A kind of regenerated composite material that is applicable to make walling crib, well lid, its each component and weight percent are: waste polyethylene 62%, useless nickel sand 33%, anti-aging agent 2%, coumarone 2%, used oil 1%.
The technical process of its preparation walling crib, well lid is described with example 1.
Example 4
A kind of regenerated composite material that is applicable to make walling crib, well lid, its each component and weight percent are: waste polyethylene 61%, useless nickel sand 31%, coumarone 3%, rosin 3%, used oil 2%.
The technical process of its preparation walling crib, well lid is described with example 1.
Example 5
Such as example 1 to example 4 walling crib and well lid that wherein proportioning is made as described in any one, all meet country about the CJ/T121-2000 standard of recycled plastics manhole cover, and supporting capacity all reached the standard of heavy carrying grade, and test item and the numerical value of its main performance index are as shown in the table:
Project Performance index Assay Assay
Ultimate compression strength, MPa ≥30 35 Qualified
Folding strength, MPa ≥14 18 Qualified
Toughness, kJ/m 2 ≥95 96 Qualified
Freeze-thaw resistance ultimate compression strength rate of loss, % ≤13 6 Qualified
The thermal ageing loss rate of flexural strength, % ≤0.4 0.3 Qualified
Temper(ing) folding strength relative change rate, % ≤3 2 Qualified
Supporting capacity (allowing in the residual deformation scope), kN 〉=240 (heavy types) 260 Qualified

Claims (3)

1. a regenerated composite material that is applicable to make walling crib, well lid is characterized in that, each component and the weight percent of described material are: waste polyethylene 61%-65%, useless nickel sand 31%-35%, anti-aging agent 1%-3%, rosin 1%-3%, used oil 1%-2%.
2. a kind of regenerated composite material that is applicable to make walling crib, well lid as claimed in claim 1 is characterized in that, each component and the weight percent of described material are: waste polyethylene particle 62%, useless nickel sand 33%, anti-aging agent 2%, rosin 2%, used oil 1%.
3. a kind of regenerated composite material that is applicable to make walling crib, well lid as claimed in claim 1 or 2 is characterized in that, replaces described rosin with the coumarone of same composition.
CN 201110259758 2011-08-30 2011-08-30 Regenerated composite material applicable to manufacturing well rings and well covers Expired - Fee Related CN102432938B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110259758 CN102432938B (en) 2011-08-30 2011-08-30 Regenerated composite material applicable to manufacturing well rings and well covers

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Application Number Priority Date Filing Date Title
CN 201110259758 CN102432938B (en) 2011-08-30 2011-08-30 Regenerated composite material applicable to manufacturing well rings and well covers

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CN102432938A CN102432938A (en) 2012-05-02
CN102432938B true CN102432938B (en) 2013-04-24

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103183965B (en) * 2013-04-12 2015-12-02 吕致平 A kind of inspection chamber and production method thereof
CN104710808B (en) * 2015-04-10 2017-07-25 民勤县家兴节能服务有限公司 The method that municipal manhole cover is processed using waste mulching film
CN109096536A (en) * 2018-08-27 2018-12-28 安徽大来机械制造有限公司 A kind of preparation method preparing combined manhole cover using waste mulching film and waste nickel sand

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1334288A (en) * 2000-07-14 2002-02-06 云南西南仪器厂 Regenerated composite material and its preparing process
CN1520984A (en) * 2003-02-09 2004-08-18 罗国徽 Composite material well cover and technique thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1334288A (en) * 2000-07-14 2002-02-06 云南西南仪器厂 Regenerated composite material and its preparing process
CN1520984A (en) * 2003-02-09 2004-08-18 罗国徽 Composite material well cover and technique thereof

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