CN105541390A - Light-weight high-strength plasterboard and preparation method thereof - Google Patents
Light-weight high-strength plasterboard and preparation method thereof Download PDFInfo
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- CN105541390A CN105541390A CN201510899258.4A CN201510899258A CN105541390A CN 105541390 A CN105541390 A CN 105541390A CN 201510899258 A CN201510899258 A CN 201510899258A CN 105541390 A CN105541390 A CN 105541390A
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- molecular sieve
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- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 31
- 239000002808 molecular sieve Substances 0.000 claims abstract description 31
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000003054 catalyst Substances 0.000 claims abstract description 30
- 235000013311 vegetables Nutrition 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002893 slag Substances 0.000 claims abstract description 17
- 239000004816 latex Substances 0.000 claims abstract description 14
- 229920000126 latex Polymers 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000010792 warming Methods 0.000 claims abstract description 4
- 239000011505 plaster Substances 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 16
- 239000010881 fly ash Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 13
- -1 heating 10 parts Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- 244000025254 Cannabis sativa Species 0.000 claims description 6
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 6
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 6
- 235000009120 camo Nutrition 0.000 claims description 6
- 235000005607 chanvre indien Nutrition 0.000 claims description 6
- 239000011487 hemp Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 240000008564 Boehmeria nivea Species 0.000 claims description 3
- 240000000491 Corchorus aestuans Species 0.000 claims description 3
- 235000011777 Corchorus aestuans Nutrition 0.000 claims description 3
- 235000010862 Corchorus capsularis Nutrition 0.000 claims description 3
- 229920001353 Dextrin Polymers 0.000 claims description 3
- 239000004375 Dextrin Substances 0.000 claims description 3
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 3
- 238000004523 catalytic cracking Methods 0.000 claims description 3
- 238000004517 catalytic hydrocracking Methods 0.000 claims description 3
- 235000019425 dextrin Nutrition 0.000 claims description 3
- 238000004512 die casting Methods 0.000 claims description 3
- 239000002283 diesel fuel Substances 0.000 claims description 3
- 238000005984 hydrogenation reaction Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 150000004756 silanes Chemical class 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims description 2
- 240000006240 Linum usitatissimum Species 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 8
- 229910052602 gypsum Inorganic materials 0.000 abstract description 6
- 239000010440 gypsum Substances 0.000 abstract description 6
- 239000002910 solid waste Substances 0.000 abstract description 6
- 239000003063 flame retardant Substances 0.000 abstract description 3
- 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 compound 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 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000010883 coal ash Substances 0.000 abstract 2
- 230000002195 synergetic effect Effects 0.000 abstract 2
- 238000013329 compounding Methods 0.000 abstract 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 9
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 8
- 239000011507 gypsum plaster Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 241000208202 Linaceae Species 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002351 wastewater Substances 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
- C04B28/14—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 calcium sulfate cements
- C04B28/142—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
- C04B2103/0091—Organic co-binders for mineral binder compositions
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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
Abstract
The invention provides a light-weight high-strength plasterboard, which is characterized by being prepared from the following components, by weight part: 50-80 parts of desulfurized gypsum, 20-30 parts of a waste molecular sieve catalyst, 10-20 parts of coal ash, 5-15 parts of vegetable fiber, 5-15 parts of warming slag, 0.2-0.5 part of an adhesive, 0.1-0.3 part of redispersible latex powder, and 30-60 parts of water. The raw materials are widely available, and the cost is low. Various kinds of solid waste, such as desulfurized gypsum, the waste molecular sieve catalyst, coal ash, and plant fiber, is selected, and a synergistic effect of the solid waste is fully developed. The raw materials are reasonable in compounding and have a good synergistic effect. The prepared plasterboard has greatly improved performance parameters in mechanical performance, heat conductivity coefficient, and flame retardant property, is completely superior to other products with the same type in the market, and has preferable market prospects. The preparation method is simple and feasible, and is suitable for massive industrial production.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of high-strength light plasterboard and preparation method thereof.
Background technology
In recent years, plasterboard with its light weight, do not fire, there is the advantages such as " breathing " function and enjoy the favor of user, be widely used in house inner wall decoration, and existing interior wall panel strength is lower, in transportation, sheet material is easily broken, and installation back wall is easy to crack, makes troubles to construction; Also result in huge loss simultaneously.Although prior art existence adds fiber and strengthens plasterboard, because irrational problem laid by its fiber, the physical strength of plasterboard still can not meet the requirement of many use occasions.
Current plasterboard adopts the plaster of paris to be main body mostly, and the limits throughput of the plaster of paris, also there is significant limitation in the place of production, cause the production area of plasterboard general all away from consumption area, the increase of production cost must be caused, and along with the increase of demand, make plaster of paris exploitation of mineral resources spread unchecked and face exhaustion, therefore, need badly and seek another kind of material to replace the plaster of paris.
Desulfurated plaster is also known as flue gas desulfurization gypsum, sulphur gypsum or FGD gypsum, and main component is the same with the plaster of paris, is terra alba CaSO42H2O, content >=93%.Desulfurated plaster is the industry by-product gypsum that coal-fired or oily industrial enterprise obtains after administering the sulfurous gas in flue gas, and the meaning of its processing and utilization is very great.It not only effectively facilitates further developing of national environmental protection recycling economy, but also greatly reduces the produced quantity of ore cream, protects resource.And some performances of desulfurated plaster as: anti-folding, resistance to compression etc., therefore the excellent plaster of paris is far away a kind of best substitute of the plaster of paris.But due to desulfurated plaster exist water content comparatively large, mark that thick water consumption is large, grain composition is poor, defect in the performance such as Qinshui, unit weight are large, need during use to adjust accordingly, therefore desulfurated plaster is not also applied very well at present.Current most desulfurated plaster still adopts accumulation, landfill method process, causes serious pollution to soil, underground water and atmospheric environment.If therefore can utilize desulfurated plaster produce plasterboard; then significantly can reduce the produced quantity of the plaster of paris, be conducive to save energy, Economization on land, and break a new path for the waste disposal after means of flue gas desulfurization of power plant; be conducive to the quantity discharged reducing sulfurous gas, protection of the environment.
Domestic existing household building thing interior wall plasterboard, due to technical reason, the water tolerance of its surface layer, alkali resistance and weathering resistance are not enough, easy scratch, distortion and difficult cleaning and safeguard, especially easy at harmful mushroom generation stink, polluted airs such as surface attachment streptococcus aureuses, affect attractive in appearance.And usually adopting color paint coating to be tinting material in the wall body decoration stage, the organism volatilized in these coating (formaldehyde, benzene homologues etc.) is lasting and slowly in indoor, and serious threat people's is healthy.Therefore how to reduce indoor volatile organic compounds (VOC) content, building Green Home has become one of instant important task of contemporary mankind.
Molecular sieve catalyst is the catalyzer be cracked into by heavy hydrocarbon in petroleum refining process needed for light hydrocarbons.A few experience wear of molecular sieve catalyst during usual use, its surface-area reduces gradually, and proportion alleviates, and loses original activity and becomes waste.Understand through investigation, only Fushun second branch factory of oil about has 500 tons of deposed molecular sieves every year.The main chemical compositions of molecular sieve catalyst is activated alumina, silicon-dioxide.Use the discarded molecular sieve catalyst catalytic capability after for some time to reduce, but predominant amount does not have great change, gives it up to the waste that these are rich in sial, not only cause environmental pollution but also be the waste of resource.
Summary of the invention
The object of the invention is to make full use of existing resource, select light porous industrial waste as raw materials for production, provide a kind of technique simple, high-strength light plasterboard that with low cost, density is low, intensity is high, thermal conductivity is low and preparation method thereof.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of high-strength light plasterboard, it is characterized in that, prepared by the component of following weight part: desulfurated plaster 50-80 part, catalyst of deposed molecular sieve 20-30 part, flyash 10-20 part, vegetable fibre 5-15 part, heating slag 5-15 part, tackiness agent 0.2-0.5 part, redispersable latex powder 0.1-0.3 part, water 30-60 part.
Preferably, prepared by the component of following weight part: desulfurated plaster 65 parts, catalyst of deposed molecular sieve 25 parts, 15 parts, flyash, 10 parts, vegetable fibre, heating 10 parts, slag, 0.3 part, tackiness agent, redispersable latex powder 0.2 part, 40 parts, water.
Further, described catalyst of deposed molecular sieve carrys out one or more petrochemical process in the hydrogenation transformation of the way of catalytic cracking, hydrocracking, lubricating oil dewaxing, gasoline and diesel oil.Described vegetable fibre come from flax, hemp, jute, gombo hemp, ramie one or more.Described tackiness agent is hydrogenated wood rosin glycerol ester, dextrin or modified silane glue.
A preparation method for above-mentioned high-strength light plasterboard, is characterized in that, comprise the following steps: (1) takes each raw material for standby by weight, and vegetable fibre being crushed to length is 5-20mm, and it is 80-120 μm that warming stove ground-slag is broken to particle diameter; (2) be uniformly mixed in the vegetable fibre after desulfurated plaster, catalyst of deposed molecular sieve, flyash, pulverizing and heating slag feeding stirrer; (3) tackiness agent and redispersable latex powder are mixed in water, stir to obtain the mixed solution that mixes, joined in stirrer and continue to stir 3-8 minute, the slurry that must mix; (4) then slurry is injected die casting and become sheet material, the demoulding after sheet material solidifies, finally sheet material being placed in temperature is 50-80 DEG C, and humidity is maintenance 4-8 hour in the hygrothermal environment of 70-90%, finally puts into after 40-60 DEG C of drying baker is dried to 12-24 hour and namely obtains above-mentioned high-strength light plasterboard.
Further, the curing temperature in step (4) is 65 DEG C, and humidity is 80%, and curing time is 7 hours.Bake out temperature is 50 DEG C, and drying time is 18 hours.
The advantage that the present invention has and positively effect are:
(1) the present invention has selected the solid waste such as desulfurated plaster, catalyst of deposed molecular sieve, flyash, vegetable fibre, give full play to the synergy between different solid waste, produce and obtain the material of construction meeting national standard, not only can realize the comprehensive utilization of solid waste, turn waste into wealth, the pollution of solid waste discharge to environment can also be reduced, in treating processes, do not add the material to environmental danger, without waste water, waste sludge discharge;
(2) high-strength light plasterboard provided by the invention, raw material sources are extensive, with low cost; The each material combination of plasterboard of the present invention is reasonable, synergy is strong, all greatly improves, be better than market like product completely in performance perameters such as mechanical property, thermal conductivity and flame retardant propertiess, possess good market outlook and preparation technology's simple possible of the present invention, be applicable to large-scale industrial production;
(3) a large amount of catalyst of deposed molecular sieve that the present invention adopts are rich in abundant pore structure, have that particle is thin, light weight, high strength, wear-resisting, high temperature resistant, insulation insulation, the multifrequency nature such as fire-retardant, improve ultimate compression strength and the fireproof heat insulating performance of plasterboard; In addition, a large amount of micro-pore little to intensity effect is introduced in the use of catalyst of deposed molecular sieve in plasterboard, reduces the unit weight of mineral wool board further, promotes the range of application of mineral wool board;
(4) a large amount of plant straws is adopted, local refuse is fully used, both solved environmental issue, turn increased the income of peasant, made again the weight saving of plasterboard, reduce transportation cost, in addition, vegetable fibre matter is pliable and tough, is imbued with elastic force, fibre strength is fine, substantially increases the resistance to compression of sheet material, tensile strength.
Below by embodiment the present invention be specifically described and illustrate:
Embodiment 1
A kind of high-strength light plasterboard, is prepared by the component of following weight part: desulfurated plaster 50 parts, catalyst of deposed molecular sieve 20 parts, 10 parts, flyash, 5 parts, vegetable fibre, heating 5 parts, slag, 0.2 part, tackiness agent, redispersable latex powder 0.1 part, 30 parts, water.
Embodiment 2
A kind of high-strength light plasterboard, is prepared by the component of following weight part: desulfurated plaster 80 parts, catalyst of deposed molecular sieve 30 parts, 20 parts, flyash, 15 parts, vegetable fibre, heating 15 parts, slag, 0.5 part, tackiness agent, redispersable latex powder 0.3 part, 60 parts, water.
Embodiment 3
A kind of high-strength light plasterboard, is prepared by the component of following weight part: desulfurated plaster 65 parts, catalyst of deposed molecular sieve 25 parts, 15 parts, flyash, 10 parts, vegetable fibre, heating 10 parts, slag, 0.3 part, tackiness agent, redispersable latex powder 0.2 part, 40 parts, water.Wherein, catalyst of deposed molecular sieve is from catalytic cracking process, and vegetable fibre comes from hemp, and tackiness agent is hydrogenated wood rosin glycerol ester.
Embodiment 4
A kind of high-strength light plasterboard, is prepared by the component of following weight part: desulfurated plaster 65 parts, catalyst of deposed molecular sieve 25 parts, 15 parts, flyash, 10 parts, vegetable fibre, heating 10 parts, slag, 0.3 part, tackiness agent, redispersable latex powder 0.2 part, 40 parts, water.Wherein, catalyst of deposed molecular sieve is from the hydrogenation restructuring process of gasoline and diesel oil, and vegetable fibre comes from flax, and tackiness agent is modified silane glue.
Embodiment 5
A kind of high-strength light plasterboard, is prepared by the component of following weight part: desulfurated plaster 58 parts, catalyst of deposed molecular sieve 22 parts, 13 parts, flyash, 8 parts, vegetable fibre, heating 7 parts, slag, 0.25 part, tackiness agent, redispersable latex powder 0.15 part, 36 parts, water.Wherein, catalyst of deposed molecular sieve carrys out lubricating oil dewaxing process, and vegetable fibre comes from jute, and tackiness agent is dextrin.
Embodiment 6
A kind of high-strength light plasterboard, is prepared by the component of following weight part: desulfurated plaster 73 parts, catalyst of deposed molecular sieve 28 parts, 17 parts, flyash, 13 parts, vegetable fibre, heating 12 parts, slag, 0.4 part, tackiness agent, redispersable latex powder 0.25 part, 50 parts, water.Wherein, catalyst of deposed molecular sieve is from gasoline and hydrocracking process, and vegetable fibre comes from gombo hemp and ramie, and tackiness agent is modified silane glue and hydrogenated wood rosin glycerol ester.
Be not particularly illustrated in above-described embodiment, adhesive therefor is that building material field traditional binders catalyst of deposed molecular sieve can from the technological process of any use molecular sieve catalyst, and vegetable fibre can be derived from the root of any fiber-enriched plant, stem, leaf or fruit.Being below the preparation method of high-strength light plasterboard in embodiment 1-6 is: (1) takes each raw material for standby by weight, and vegetable fibre being crushed to length is 5-20mm, and it is 80-120 μm that warming stove ground-slag is broken to particle diameter; (2) be uniformly mixed in the vegetable fibre after desulfurated plaster, catalyst of deposed molecular sieve, flyash, pulverizing and heating slag feeding stirrer; (3) tackiness agent and redispersable latex powder are mixed in water, stir to obtain the mixed solution that mixes, joined in stirrer and continue to stir 3-8 minute, the slurry that must mix; (4) then slurry is injected die casting and become sheet material, the demoulding after sheet material solidifies, finally sheet material being placed in temperature is 65 DEG C, and humidity is maintenance 7 hours in the hygrothermal environment of 80%, finally puts into after 50 DEG C of drying bakers are dried to 18 hours and namely obtains above-mentioned high-strength light plasterboard.
The main performance index detected result of table 1 high-strength light plasterboard
Claims (8)
1. a high-strength light plasterboard, it is characterized in that, prepared by the component of following weight part: desulfurated plaster 50-80 part, catalyst of deposed molecular sieve 20-30 part, flyash 10-20 part, vegetable fibre 5-15 part, heating slag 5-15 part, tackiness agent 0.2-0.5 part, redispersable latex powder 0.1-0.3 part, water 30-60 part.
2. high-strength light plasterboard according to claim 1, it is characterized in that, prepared by the component of following weight part: desulfurated plaster 65 parts, catalyst of deposed molecular sieve 25 parts, 15 parts, flyash, 10 parts, vegetable fibre, heating 10 parts, slag, 0.3 part, tackiness agent, redispersable latex powder 0.2 part, 40 parts, water.
3. high-strength light plasterboard according to claim 1, is characterized in that, described catalyst of deposed molecular sieve carrys out one or more petrochemical process in the hydrogenation transformation of the way of catalytic cracking, hydrocracking, lubricating oil dewaxing, gasoline and diesel oil.
4. high-strength light plasterboard according to claim 1, is characterized in that, described vegetable fibre come from flax, hemp, jute, gombo hemp, ramie one or more.
5. high-strength light plasterboard according to claim 1, is characterized in that, described tackiness agent is hydrogenated wood rosin glycerol ester, dextrin or modified silane glue.
6. the preparation method of high-strength light plasterboard described in an any one of claim 1-5, it is characterized in that, comprise the following steps: (1) takes each raw material for standby by weight, vegetable fibre being crushed to length is 5-20mm, and it is 80-120 μm that warming stove ground-slag is broken to particle diameter; (2) be uniformly mixed in the vegetable fibre after desulfurated plaster, catalyst of deposed molecular sieve, flyash, pulverizing and heating slag feeding stirrer; (3) tackiness agent and redispersable latex powder are mixed in water, stir to obtain the mixed solution that mixes, joined in stirrer and continue to stir 3-8 minute, the slurry that must mix; (4) then slurry is injected die casting and become sheet material, the demoulding after sheet material solidifies, finally sheet material being placed in temperature is 50-80 DEG C, and humidity is maintenance 4-8 hour in the hygrothermal environment of 70-90%, finally puts into after 40-60 DEG C of drying baker is dried to 12-24 hour and namely obtains above-mentioned high-strength light plasterboard.
7. the preparation method of high-strength light plasterboard according to claim 6, it is characterized in that, curing temperature is 65 DEG C, and humidity is 80%, and curing time is 7 hours.
8. the preparation method of high-strength light plasterboard according to claim 6, it is characterized in that, bake out temperature is 50 DEG C, and drying time is 18 hours.
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| CN107879726A (en) * | 2017-12-05 | 2018-04-06 | 洛阳理工学院 | A kind of preparation method of coal ash sintering brick |
| WO2020224120A1 (en) * | 2019-05-08 | 2020-11-12 | 北新集团建材股份有限公司 | High impurity ion content desulfurized gypsum paper-faced gypsum board and manufacturing method therefor |
| CN116396095A (en) * | 2023-04-10 | 2023-07-07 | 湖南工业大学 | Light heat-insulating brick and preparation method thereof |
| CN116396095B (en) * | 2023-04-10 | 2024-04-26 | 湖南工业大学 | Light heat-insulating brick and preparation method thereof |
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| CN116396095B (en) * | 2023-04-10 | 2024-04-26 | 湖南工业大学 | Light heat-insulating brick and preparation method thereof |
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