CN105731925A - Method for manufacturing cement-based composite plate from industrial solid waste - Google Patents
Method for manufacturing cement-based composite plate from industrial solid waste Download PDFInfo
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- CN105731925A CN105731925A CN201610076512.5A CN201610076512A CN105731925A CN 105731925 A CN105731925 A CN 105731925A CN 201610076512 A CN201610076512 A CN 201610076512A CN 105731925 A CN105731925 A CN 105731925A
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000004568 cement Substances 0.000 title claims abstract description 28
- 239000002910 solid waste Substances 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 65
- 239000002699 waste material Substances 0.000 claims abstract description 60
- 239000003054 catalyst Substances 0.000 claims abstract description 33
- 229920005989 resin Polymers 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 26
- 239000004753 textile Substances 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000005516 engineering process Methods 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000007711 solidification Methods 0.000 claims abstract description 6
- 230000008023 solidification Effects 0.000 claims abstract description 6
- 238000004381 surface treatment Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 64
- 239000002245 particle Substances 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 21
- 239000002002 slurry Substances 0.000 claims description 19
- 238000000465 moulding Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 9
- 235000021355 Stearic acid Nutrition 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 8
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 8
- 239000008117 stearic acid Substances 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 6
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims description 2
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- 230000002708 enhancing effect Effects 0.000 abstract description 5
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- 238000012986 modification Methods 0.000 abstract 2
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- 238000011161 development Methods 0.000 description 5
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- 239000003365 glass fiber Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000011449 brick Substances 0.000 description 4
- 230000003467 diminishing effect Effects 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000002920 hazardous waste Substances 0.000 description 4
- 239000003471 mutagenic agent Substances 0.000 description 4
- 231100000707 mutagenic chemical Toxicity 0.000 description 4
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- 238000011069 regeneration method Methods 0.000 description 4
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- 238000009941 weaving Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
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- 229910001385 heavy metal Inorganic materials 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical class N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000005007 epoxy-phenolic resin Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Catalysts (AREA)
Abstract
The invention provides a method for manufacturing a cement-based composite plate from industrial solid waste.By the adoption of the surface modification technology, the cement solidification technology and the water reduction enhancing technology, waste circuit board resin powder, waste SCR catalyst powder and waste textile powder are solidified at normal temperature to form a compound plate, the screened waste circuit board resin powder with the granularity ranging from 0.05 mm to 5 mm, the screened waste textile powder with the granularity being 1-10 mm and the screened waste SCR catalyst powder with the granularity being 1-5 mm are subjected to blending modification reinforcement, room-temperature solidification, pouring forming, bubble removing, surface treatment, demolding and drying, and the compound plate is obtained.The method is free of pollution in the manufacturing process, the technology is simple, cost is low, and the manufactured plate is large in practical value.
Description
Technical field:
The present invention relates to a kind of method that Industrial Solid Waste manufactures cement based composite board, belong to the solid waste Treatment and recovery technical field in field of Environment Protection.
Technical background:
Along with the fast development of China's economy, the yield of solid waste also presents growing number of trend, and the hazardness of environment and human body certainly be can not be ignored by solid waste pollution, and it directly influences the life of people, has a strong impact on environmental and human health impacts.The situation that the economic rapid growth, the environmental aspect that face from China are severe, resource lacks relatively, will realize economy, society, harmonious development, and developing a circular economy is important strategic choice.With circular economy concept for instructing, recycling of solid waste is realized in the pollution control of solid waste works, improve solid waste resource recovery, energy comprehensive utilization ratio, it is possible to effectively solve solid waste pollution environmental problem, and support future economy high speed sustainable development.The yield of China's solid waste is very big, and along with rapid development of economy, the people improve constantly material life demand, and the yield of solid waste also presents growing number of trend.In the face of these day by day serious pollution problems, should with circular economy concept for instructing, integrated use law, economic and administrative means, increasing processes disposal of solid waste pollution environmental improvement dynamics, the improvement making solid waste pollution can synchronize with economic construction, thus reducing solid waste to the pollution of environment and destruction.
Waste printed circuit board is the important component part of electron wastes, and it is recycled, and not only can save resource but also can avoid its problem of environmental pollution brought.Metal is the main Economic Driving that waste printed circuit board reclaims industry, and the emphasis of research worker also focuses on the recovery of valuable metal in waste printed circuit board, often ignores the recycling of resin powder body.Current waste printed circuit board returned enterprise commonly used " Mechanical Crushing+sorting " method Footwall drift, creates substantial amounts of resin material in removal process, if it suitably not being processed, not only wasting resource, and environment can be caused severe contamination.From the viewpoint of environmental protection and resource two, the recycling of waste printed circuit board resin material has become an important topic.The mixture that waste printed circuit board resin material is mainly made up of epoxy resin, phenolic resin and glass fibre etc..Resin material therein is thermosetting resin, and resin becomes tacky state with glass fibre, is difficult to either physically or chemically separating, also cannot melt regeneration.Due in these resin materials containing the harmful substance such as brominated flame retardant with do not separate heavy metal completely on a small quantity, it is carried out landfill disposal and is bound to serious environment pollution.It is processed by the method having researcher pyrolysis, its object is to separation resin and glass fibre.But the product liquid that pyrolysis obtains contains bromide, it is also difficult to commercial application at present.It is a kind of effective processing method that waste printed circuit board resin material is solidified into sheet material.CN1676298 discloses the manufacture method of the base plate material granules regeneration plate of waste printed circuit board, it is characterized in that mixing homogeneously waste printed circuit board baseplate material granule with urea-formaldehyde moulding powder or waste or used plastics, then heats pressurization in a mold, forms sheet material.This method is extruded after adopting 150～300 DEG C of high temperature to make plastic molting, owing to thermal decomposition effect can produce harmful gas, does not meet the requirement that cleaning produces.CN1817957A disclose a kind of circuit board reclaim powder well lid/seat manufacture method, it is characterized in that the binding agent of employing 20～40%, 60～80% circuit board powder, the additive within 10% is mixed into pureed, pressing formation at 110～160 DEG C.This method have employed substantial amounts of industrial chemicals, and needs heating pressurization, spends relatively costly.
Waste textile is essentially from waste and old clothing.China is textile garment big country, and the consumption of annual textile raw material reaches 45,300,000 tons.The waste textile that China produces every year about reaches 26,000,000 tons, enormous amount.China is textile garment big country, and the consumption of annual textile raw material reaches 45,300,000 tons.The waste textile that China produces every year about reaches 26,000,000 tons, enormous amount.At present, waste textile recycling method mainly has physiochemical mutagens, chemical recovery and energy regenerating.Physiochemical mutagens is to decompose by mechanical assistance or pulverize textile, does not destroy the chemical constitution of high polymer, does not change its composition, is processed processing by collecting, classify, purify, dry, add the auxiliary agent of necessity, is then reused for the production of fabric.Physiochemical mutagens is usually used in natural fiber or the synthetic fibers of one pack system, such as the recovery of the recovery of waste and old wool fibre and polyester fiber.But it is for blend fibre, relatively difficult because classifying so that its suitability is relatively poor.Physiochemical mutagens utilizes technology to require height, classification difficulty, and the machinery equipment of pre-treatment application is many, and cost is high, and recovery process is complicated.The fiber processing comparatively blending at present mainly adopts the mode burned or fill to process.
Discarded SCR catalyst is except self containing V2O5、WO3(or MoO3) etc. outside nitrous oxide, being also mingled with the arsenic in burned-coal fly ash, hydrargyrum, lead etc. has the heavy metal substance of hazard property, health and environment exists risk, is named as hazardous waste in Europe；Although U.S. EPA is not listed useless SCR denitration in hazardous waste and is managed, but (such as state, the markon's welfare Asia) Environmental Protection Agency in some state thinks that useless SCR denitration is containing dangerous harmful substance, require to be managed according to hazardous waste, do not allow at will to topple over.Dirty anti-department of China environmental protection portion is also entrusting subordinate's solid waste and chemical balance motion technique center to control the units such as technical research institute together with China Environmental Science Research Institute's solid waste pollution in the recent period; " waste flue gas denitration catalyst hazardous waste business licence guidelines for examination " is drafted in research; examination and approval work with specification waste flue gas denitration catalyst business licence; promote waste flue gas denitration catalyst regeneration, utilize integral level, it is prevented that waste flue gas denitration catalyst regeneration, utilize in process and environment caused secondary pollution.If SCR dead catalyst can not get corresponding safely and effectively process, 2014 to 2019, the SCR dead catalyst in the whole nation reaches 190,000 tons by accumulative；To 2025, SCR dead catalyst total amount reached 82.86 ten thousand tons by accumulative；Simultaneously because SCR dead catalyst possesses hazardness, bring serious pollution threat also will to the soil of China, water body.
Now, along with shortage of resources contradiction highlights day by day, the recycling of Industrial Solid Waste seems more and more important, and the exploitation high-performance sheet material based on Industrial Solid Waste will become an important directions of building materials development from now on.
Summary of the invention
The sheet material practical value that the technical problem to be solved is to provide a kind of manufacture process cleanliness without any pollution, technique is simple, cost is low, prepare is big, it is achieved the manufacture method of the composite board being raw material with discarded printed circuit boards resin-oatmeal, waste textile powder and useless SCR catalyst powder of low-carbon environment-friendly and resource reutilization.
For solving above-mentioned technical problem, the present invention provides a kind of method that Industrial Solid Waste manufactures cement based composite board, adopt process for modifying surface, cement solidification technology, water reducing and strength increasing technology to make waste printed circuit board resin powder, useless SCR catalyst powder and waste textile powder be solidified into composite board at normal temperatures, specifically comprise the following steps that
(1) useless circuit board resin supplied materials is carried out screening process, control the particle size range of useless circuit board resin powder body at 0.5～5mm；
(2) waste and old cloth bag is crushed and screened process, obtain the particle size range waste textile powder at 1～10mm；
(3) useless SCR catalyst supplied materials is crushed and screened process, obtain the particle size range useless SCR catalyst powder at 1～5mm；
(4) blending and modifying strengthens: mixed by the useless SCR catalyst powder that waste textile powder that waste printed circuit board resin-oatmeal that mass percent is 50～60%, mass percent are 10～30%, mass percent are 10～30%, add the stearic acid accounting for mixed material weight 0.5～5%, carry out mixed and modified；Add the sodium lignin sulfonate accounting for mixed material weight 0.1～0.5%, carry out water-reducing strengthening agent mixed processing；
(5) cold curing: modified mixed material 50～80% is mixed with cement powders by mass percentage, add the activated alumina accounting for mixed material weight 0.5～2%, add appropriate water, forced mixer or mortar mixer are stirred mixing, form slurry；
(6) slurry is injected die trial, moulding by casting；
(7) it is placed on bobbing machine by the die trial after injection slurry to vibrate 1～5min, remove bubble, accelerate the hydrothermal synthesis reaction of Binder Materials；
(8) surface treatment: pulp surface is struck off with scraper；
The demoulding after (9) 24 hours, obtains composite layered board after drying.
Wherein, described useless circuit board resin powder is the non-metal powder that useless circuit board cracking and sorting obtains；Described waste and old cloth bag comes from the filter bag that sack cleaner is damaged；Described useless SCR catalyst powder is that the catalyst module lost efficacy is obtained by crushing grinding；Described cement is portland cement, and blender is conventional forced mixer or mortar mixer or agitator for cement mortar, and rotating speed is adjustable.
Waste printed circuit board resin-oatmeal of the present invention is processed into particle size range and is preferably the powder of 0.5～1mm, waste textile powder is processed into particle size range and is preferably the powder of 1～5mm, useless SCR catalyst diameter of particle ranges preferably from 1～3mm, and the powder of this scope is easier to be combined with cement slurry.
The invention has the beneficial effects as follows: the present invention adopts cement solidification waste printed circuit board resin-oatmeal, waste textile powder and useless SCR catalyst powder to obtain composite board；Adopt low-cost cement as firming agent, be sufficiently mixed with waste printed circuit board resin-oatmeal, waste textile powder and useless SCR catalyst powder, get final product curing molding at normal temperatures, can be made into brick material, section material for wall and other municipal works material；The glass fiber reinforcement contained in the waste printed circuit board resin material mechanical property of section bar, enhance the internal bonding strength of material；Waste textile powder contains substantial amounts of textile material and chemical fibre, is added in composite board and it can be made to strengthen support cylinder, serves good cooperative effect in manufacturing composite layered board process, and prepared section bar adhesive property is strong, produces and construction cost degradation.
The stearic acid used can react with the surface functional group of waste printed circuit board resin-oatmeal, waste textile powder, form stable chemical bond, the other end can with organic polymer chain generation chemical reaction, thus material tight bigger for two kinds of polarity differences is combined, and give the good physics of composite, mechanical performance.Stearic acid is a kind of organic acid with low cost, has the group of the hydrophilic oleophobic of similar coupling agent in its molecular structure.
The sodium lignin sulfonate used is a kind of anionic surface active substances, cement has absorption and peptizaiton, can improve the various physical property of concrete.Reduce use water more than 13%, the hydrated cementitious initial stage heat of hydration can be greatly lowered.
Activated alumina has many capillary channels, specific surface area is big, water, oxide etc. are had stronger affinity, firming body breaks (the flying dust crystalline material in useless SCR catalyst contains sulfate composition) can effectively to prevent the compositions such as the sulfate in Industrial Solid Waste and cement composition from causing, in the process of cement solidification, add activated alumina and be favorably improved the intensity of cement based composite board.
Advantages of the present invention:
(1) make waste printed circuit board resin-oatmeal, waste textile powder and useless SCR catalyst powder obtain recycling, decrease and adopt because it uses routine techniques to recycle landfill or burning disposal to cause environmental pollution；
(2) glass fibre in waste printed circuit board resin material and waste textile serve good cooperative effect, substantially increase the mechanical property of sheet material, simultaneously because good adhesive property, sheet material is expected to substitute existing floor tile；
(3) adopting cement as firming agent, get final product curing molding at normal temperatures and pressures, cost is low；
(4) technique is simple, and properties of product are excellent, are advantageously implemented industrial applications.
The inventive method processing technology is simple, and required engineering equipment is few, it is adaptable to large-scale production；Meanwhile, the sheet material prepared can be used for floor tile, municipal administration material etc., with low cost, economical and practical, has broad application prospects.
Accompanying drawing explanation
Fig. 1 is the process chart that a kind of Industrial Solid Waste of the present invention manufactures the method for cement based composite board
Detailed description of the invention
Technical scheme is further described below by way of specific embodiment and accompanying drawing.
Embodiment 1:
Prepare particle size range that mass fraction is 60% the particle size range that the useless circuit board resin powder of 2～5mm, mass fraction the are 30% waste and old weaving powder at 1～10mm and mass percent be 10% particle size range at the useless SCR catalyst powder of 1～5mm, blender is sufficiently mixed, adds the stearic acid accounting for mixed material weight 5% and carry out blending and modifying；Add the sodium lignin sulfonate accounting for mixed material weight 0.5%, stir and carry out strengthening diminishing process；Mixed material after processing 80% is sufficiently mixed with cement powders by mass percentage, adds the activated alumina accounting for mixed material weight 0.5%, add appropriate water and be stirred mixing, form slurry；Slurry is injected die trial, moulding by casting；Die trial after injecting slurry is placed on bobbing machine and vibrates 5min, remove bubble, accelerate the hydrothermal synthesis reaction of Binder Materials；With scraper, pulp surface is struck off；The demoulding after 24 hours, obtains compound enhancing sheet material after drying.
Embodiment 2:
Prepare particle size range that mass fraction is 60% the particle size range that the useless circuit board resin powder of 2～5mm, mass fraction the are 10% waste and old weaving powder at 1～10mm and mass percent be 30% particle size range at the useless SCR catalyst powder of 1～5mm, blender is sufficiently mixed, adds the stearic acid accounting for mixed material weight 3% and carry out blending and modifying；Add the sodium lignin sulfonate accounting for mixed material weight 0.1%, stir and carry out strengthening diminishing process；Mixed material after processing 70% is sufficiently mixed with cement powders by mass percentage, adds the activated alumina accounting for mixed material weight 1%, add appropriate water and be stirred mixing, form slurry；Slurry is injected die trial, moulding by casting；Die trial after injecting slurry is placed on bobbing machine and vibrates 3min, remove bubble, accelerate the hydrothermal synthesis reaction of Binder Materials；With scraper, pulp surface is struck off；The demoulding after 24 hours, obtains compound enhancing sheet material after drying.
Embodiment 3:
Prepare particle size range that mass fraction is 50% the particle size range that the useless circuit board resin powder of 2～5mm, mass fraction the are 20% waste and old weaving powder at 1～10mm and mass percent be 30% particle size range at the useless SCR catalyst powder of 1～5mm, blender is sufficiently mixed, adds the stearic acid accounting for mixed material weight 0.5% and carry out blending and modifying；Add the sodium lignin sulfonate accounting for mixed material weight 0.3%, stir and carry out strengthening diminishing process；Mixed material after processing 65% is sufficiently mixed with cement powders by mass percentage, adds the activated alumina accounting for mixed material weight 1.5%, add appropriate water and be stirred mixing, form slurry；Slurry is injected die trial, moulding by casting；Die trial after injecting slurry is placed on bobbing machine and vibrates 1min, remove bubble, accelerate the hydrothermal synthesis reaction of Binder Materials；With scraper, pulp surface is struck off；The demoulding after 24 hours, obtains compound enhancing sheet material after drying.
Embodiment 4:
Prepare particle size range that mass fraction is 50% the particle size range that the useless circuit board resin powder of 0.5～1mm, mass fraction the are 20% waste and old weaving powder at 1～5mm and mass percent be 30% particle size range at the useless SCR catalyst powder of 1～3mm, blender is sufficiently mixed, adds the stearic acid accounting for mixed material weight 1% and carry out blending and modifying；Add the sodium lignin sulfonate accounting for mixed material weight 0.5%, stir and carry out strengthening diminishing process；Mixed material after processing 60% is sufficiently mixed with cement powders by mass percentage, adds the activated alumina accounting for mixed material weight 2%, add appropriate water and be stirred mixing, form slurry；Slurry is injected die trial, moulding by casting；Die trial after injecting slurry is placed on bobbing machine and vibrates 5min, remove bubble, accelerate the hydrothermal synthesis reaction of Binder Materials；With scraper, pulp surface is struck off；The demoulding after 24 hours, obtains compound enhancing sheet material after drying.
The sheet material that the embodiment of the present invention manufactures, has enough intensity and caking ability, mainly can be used as building pavior brick, square brick, lawn brick, city Route for pedestrians tile work etc..
Claims (4)
1. the method manufacturing cement based composite board with Industrial Solid Waste, process for modifying surface, cement solidification technology, water reducing and strength increasing technology is adopted to make waste printed circuit board resin powder, useless SCR catalyst powder and waste textile powder be solidified into composite board at normal temperatures, it is characterised in that: specifically comprise the following steps that
(1) useless circuit board resin supplied materials is carried out screening process, control the particle size range of useless circuit board resin powder body at 0.5～5mm；
(2) waste and old cloth bag is crushed and screened process, obtain the particle size range waste textile powder at 1～10mm；
(3) useless SCR catalyst supplied materials is crushed and screened process, obtain the particle size range useless SCR catalyst powder at 1～5mm；
(4) blending and modifying strengthens: mixed by the useless SCR catalyst powder that waste textile powder that waste printed circuit board resin-oatmeal that mass percent is 50～60%, mass percent are 10～30%, mass percent are 10～30%, add the stearic acid accounting for mixed material weight 0.5～5%, carry out mixed and modified；Add the sodium lignin sulfonate accounting for mixed material weight 0.1～0.5%, carry out water-reducing strengthening agent mixed processing；
(5) cold curing: modified mixed material 50～80% is mixed with cement powders by mass percentage, add the activated alumina accounting for mixed material weight 0.5～2%, add appropriate water, forced mixer or mortar mixer are stirred mixing, form slurry；
(6) slurry is injected die trial, moulding by casting；
(7) it is placed on bobbing machine by the die trial after injection slurry to vibrate 1～5min, remove bubble, accelerate the hydrothermal synthesis reaction of Binder Materials；
(8) surface treatment: pulp surface is struck off with scraper；
The demoulding after (9) 24 hours, obtains composite layered board after drying.
2. the method that a kind of Industrial Solid Waste according to claim 1 manufactures cement based composite board, it is characterised in that: described useless circuit board resin powder is the non-metal powder that useless circuit board cracking and sorting obtains.
3. the method that a kind of Industrial Solid Waste according to claim 1 and 2 manufactures cement based composite board, it is characterised in that: described waste and old cloth bag is the filter bag that sack cleaner is damaged.
4. the method that a kind of Industrial Solid Waste according to claim 1 and 2 manufactures cement based composite board, it is characterised in that: described useless SCR catalyst powder is that the useless denitrification catalyst module that activity lost efficacy passes through to crush and screen the powder obtained.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571377A (en) * | 2017-08-29 | 2018-01-12 | 北京禾木之家科技发展有限公司 | A kind of preparation method of light composite board |
| CN109866307A (en) * | 2019-03-12 | 2019-06-11 | 上海纷雅新型材料有限公司 | A kind of novel process production procedure of green environmental protection plate |
| WO2022061476A1 (en) * | 2020-09-28 | 2022-03-31 | Excir Works Corp. | Electronic waste composite article or material and process for making same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229482A (en) * | 2011-04-08 | 2011-11-02 | 凯天环保科技股份有限公司 | Manufacturing method of composite enhanced insulating section bar |
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2016
- 2016-02-03 CN CN201610076512.5A patent/CN105731925A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229482A (en) * | 2011-04-08 | 2011-11-02 | 凯天环保科技股份有限公司 | Manufacturing method of composite enhanced insulating section bar |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571377A (en) * | 2017-08-29 | 2018-01-12 | 北京禾木之家科技发展有限公司 | A kind of preparation method of light composite board |
| CN109866307A (en) * | 2019-03-12 | 2019-06-11 | 上海纷雅新型材料有限公司 | A kind of novel process production procedure of green environmental protection plate |
| WO2022061476A1 (en) * | 2020-09-28 | 2022-03-31 | Excir Works Corp. | Electronic waste composite article or material and process for making same |
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Effective date of registration: 20161215 Address after: 410100 Hunan province Changsha Changsha City Economic and Technological Development Zone Bancang Road No. 29 new Changhai center service outsourcing base 3 A block 2 building 204 Applicant after: Changsha convergent Environment Technology Co., Ltd. Address before: 410100 Hunan Province, Changsha County city Xingsha street Changsha sealing knife Ridge Community Kaiyuan Road No. 65 Building 2 room 1803 Garden Applicant before: Zhou Yihui |
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