CN104761226A - Marble-texture-imitation decorative board and preparation method thereof - Google Patents
Marble-texture-imitation decorative board and preparation method thereof Download PDFInfo
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- CN104761226A CN104761226A CN201510104808.9A CN201510104808A CN104761226A CN 104761226 A CN104761226 A CN 104761226A CN 201510104808 A CN201510104808 A CN 201510104808A CN 104761226 A CN104761226 A CN 104761226A
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- 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
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- 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 discloses a marble-texture-imitation decorative board and a preparation method thereof. The marble-texture-imitation decorative board is prepared from following raw materials, by weight, 30-80 parts of phosphogypsum, 15-60 parts of yellow phosphorus furnace slag and 0.1-10 parts of quick lime. The preparation method mainly includes following steps: mixing the yellow phosphorus furnace slag with a less amount of the phosphogypsum and performing a stir-reaction at a certain temperature and grinding a reaction product to obtain phosphorus slag powder; and mixing and aging the residual phosphogypsum and the phosphorus slag powder to obtain a mixture material; pouring the mixture material into a die to form a phosphogypsum base material; performing vapor maintenance to the formed phosphogypsum base material; spraying a marble-texture paint onto the phosphogypsum base material and drying the painted phosphogypsum base material. The preparation method is simple and convenient to operate. The produced marble-texture-imitation decorative board is light in weight, is good in water and fire resistance, is high in compressive strength and is strong in weather resistance. The decorative board can be widely used as an indoor/outdoor decorative material.
Description
Technical field
The present invention relates to building material technical field, specifically, relate to a kind of marbleizing decorating plates and preparation method thereof.
Background technology
In production process of phosphoric acid, often produce one ton of P
2o
5by-product five tons of phosphogypsums, the every by-product phosphogypsum every year of medium-sized phosphoric acid production enterprise is about 3,500,000 tons.So many phosphogypsum not only needs a larger cinder yard, but also can cause pollution of waterhead.At present, the most frequently used phosphogypsum treatment process has following four kinds:
First method: phosphoric acid cream is used for backfill pit.According to statistics, when not adopting phosphogypsum to backfill mine working, mine working filling cost accounts for 1/3 of mining, and attal accounts for 80% of filling cost, fill mine working with phosphogypsum, fill cost and account for 1/5 of mining cost, not only saved filling cost, and improve utilization of three wastes rate, decrease environmental pollution.But, due to factors such as phosphogypsum jelling agent casting resin viscosity is high, sedimentation fast, condensation is fast, many, the easy pluggings of fine particle, difficult cleanings, at present, conventional method adopts mixture workshop to lead to long-distance Automobile Transportation to mining area, Filling Station is set up in hole, ore deposit nearby, completes filling by pump delivery to flow processs such as roadways.Automobile Transportation generally has the distance of 30 km from ardealite storage yard to Filling Station, and major part is sky way.Though the car of transport phosphogypsum is common double-bridge vehicle without the car of the easy airborne dust of sealing, fortune phosphogypsum jelling agent is that tank car has sealing but vehicle body length drives the larger Road transport of existence and traffic safety hidden danger on sky way, and phosphogypsum jelling agent warehouse-in forklift is had bad luck, is sieved and be filled with airborne dust and noise, all there is larger safety and pollution hidden trouble to environment with slurry, personnel, equipment.Adopt pipeline transportation, Filling Station is selected unreasonable because of its phosphogypsum and phosphogypsum jelling agent ratio and conduit slope, camber, material design, frequent generation blocking pipe, cause the equipment safety operation hidden danger such as equipment superpressure, motor overload and cannot clean after line clogging and only have destructive dismounting, pipeline waste is comparatively large, cost is higher, continuous production is low, equipment and personnel exist larger safety in production and run hidden danger.
Second method: by the agent of phosphogypsum production Flocculated Cement.The crystal habit of phosphogypsum is identical with the plaster of paris, for prismatic or cylindricality plate crystal, chemical composition and plaster of paris composition basic simlarity, but due to containing solubility Vanadium Pentoxide in FLAKES, phosphoric acid salt, soluble fluoride, insoluble Vanadium Pentoxide in FLAKES and organic impurity etc., the hydration time of cement can be extended, reduce early strength and extend time of coagulation, therefore phosphogypsum directly can not be used as the retardant of cement.Phosphogypsum is needed to process, method conventional is at present through art breading such as washing, pre-treatment, drying and calcinings by phosphogypsum, it is low that this method obtains cement setting retarder cost, but by the long flow path of producing cement retarder through phosphogypsum, facility investment is large, and still inevitably containing Vanadium Pentoxide in FLAKES and fluorochemical in the flocculation agent produced, make the hydration time of cement and time of coagulation longer.
The third method: by phosphogypsum sulphur ammonium and calcium carbonate, the method utilizes ammonia and carbonic acid gas that phosphogypsum is changed into sulphur ammonium and calcium carbonate, and the specification of quality of the method to phosphogypsum is higher, and Production Flow Chart is long, and investment is large.
4th kind of method: phosphogypsum is used for improve alkaline soil.Containing Vanadium Pentoxide in FLAKES in phosphogypsum, cause phosphogypsum aobvious acid, its pH value is 1.5 ~ 4.5, can be used to the alkalescence in sweetening of the soil, and the compositions such as the phosphorus contained in phosphogypsum, iron, magnesium, silicon, zinc, sulphur and the calcium nutritive element that to be plant-growth necessary.
Above-mentioned several method has promoted the technical progress of China's phosphogypsum resource utilization, but above-mentioned technology fails to utilize phosphogypsum fully, and fundamentally can not solve the phosphogypsum present situation that pile up like a mountain.Therefore, there is people by phosphogypsum as the raw material preparing marbleizing decorating plates, by the process phosphogypsum that this approach can be a large amount of, and can preferably phosphogypsum be fully utilized.At present, usually after phosphogypsum being mixed with a small amount of cement, paper pulp, fiber reinforced material etc., phosphogypsum fiberboard is made again after pressurization, due to phosphogypsum itself, not have gelling, water content high and containing characteristics such as plurality of impurities, the performance such as wear resistance, weathering resistance, ultimate compression strength of the phosphogypsum marbleizing decorating plates adopting the method to produce is on the low side, is difficult to the service requirements reaching building and ornament materials.The patent application being used for phosphogypsum to prepare marbleizing decorating plates has a lot, such as, patent CN101219881 discloses a kind of phosphogypsum composite material, it is for main raw material with phosphogypsum and urea-formaldehyde resin, be aided with resol, nut-shell, polyacrylamide, flyash, after above-mentioned raw materials mix and blend, then through extrusion molding and get final product, manufacture craft is simple.The patent No. is ZL200810233755.0, denomination of invention is " a kind of marbleizing decorating plates utilizing industrial residue to produce ", it is with parts by weight, after phosphogypsum 10 ~ 40 parts, 5 ~ 15 parts, lime, cement 15 ~ 28 parts, water glass 0.02 ~ 0.05 part, water reducer 0.01 ~ 0.05 part, retardant 0 ~ 0.004 part, hardening accelerator 0 ~ 0.005 part and defoamer 0 ~ 0.008 part are mixed, be that 4:10 adds water and stirs according to ratio of water to material, then be poured in mould shaping, natural air drying.It has the advantage that manufacturing process is simple, production cost is low, have certain heat insulating effect.By phosphogypsum for the production of marbleizing decorating plates, a kind of formula of research is simple, and production technique is simple, and produces the building products of good combination property, has significant economic implications.
Summary of the invention
In view of this, the object of this invention is to provide a kind of formula rationally, the simple marbleizing decorating plates of preparation technology and preparation method thereof, with solve prior art produce the performance such as imitative stone decorative wear resistance, weathering resistance, ultimate compression strength on the low side and exist deficiency, and for the recycling of phosphogypsum finds new approach, thus obtain larger economic benefit and social benefit.
The present inventor is by long-term research and constantly test, and finally develop formula of the present invention and preparation technology, the present invention solves the problems of the technologies described above particular by following technical scheme:
A kind of marbleizing decorating plates, with parts by weight, is prepared from by following raw material: phosphogypsum 30 ~ 80 parts, yellow phosphorus furnace slag 15 ~ 60 parts and unslaked lime 0.1 ~ 10 part are prepared from.
Preferably, be prepared from by phosphogypsum 60 ~ 70 parts, yellow phosphorus furnace slag 25 ~ 35 parts and unslaked lime 2 ~ 5 parts.
More preferably, be prepared from by phosphogypsum 67 parts, yellow phosphorus furnace slag 30 parts and unslaked lime 3 parts.
Described raw material also comprises calcium silicofluoride 6 ~ 10 parts, tetrafluoroethylene 0.5 ~ 2 part and clay 1 ~ 3 part.
Described tetrafluoroethylene has resistance to elevated temperatures, corrosion resistance nature and weather resistance.
Described calcium silicofluoride has the effect of solidification and moisture absorption.
Described clay plays the effect of caking agent.
The preparation method of described marbleizing decorating plates, comprises the following steps:
(1) by yellow phosphorus furnace slag with phosphogypsum according to 100:(10 ~ 20) mass ratio mix, then stirring reaction 3 ~ 4h at the temperature of 80 ~ 90 DEG C, then grinds to form 80 ~ 100 object fine powders, obtains phosphorus slag powder;
(2) phosphorus slag powder, unslaked lime are mixed with phosphoric residue gypsum, then natural ripening 16 ~ 24 days, obtain mixture;
(3), after water mixture being added mixture weight 10 ~ 15% stirs, be poured in mould, after the demoulding, obtain shaping phosphogypsum base material;
(4) phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 16 ~ 20h under the environment of 95 ~ 105 DEG C;
(5) the slow oven dry at the temperature of 40 ~ 60 DEG C of the phosphogypsum base material after step (4) being processed is 3 ~ 7% to moisture content, then sanded is carried out on its surface, its surface finish is made to be 0.5 ~ 2mm, then polyester oil despot paint white paint is applied, thickness is 0.5 ~ 1mm, drying treatment 15 ~ 18h at the temperature of 50 ~ 60 DEG C, then multi-color lacquer is sprayed again, thickness is 1 ~ 2mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 4 ~ 6min at the temperature of 100 ~ 120 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 0.5-1mm, the temperature of 40 ~ 60 DEG C oven dry is adopted to be 4 ~ 6% to moisture content afterwards again.
In described unslaked lime, calcium oxide content is more than 55%.
In described phosphogypsum, the content of phosphogypsum dihydrate is more than 86%.
The content of described phosphogypsum dihydrate be more than 86% phosphogypsum prepared by following methods and obtain: existing phosphogypsum is dried in the drying machine of 260 ~ 300 DEG C to moisture content be less than 10%, then send in Vertical Mill device and complete phosphogypsum Granular composite, being ground to fineness is 30 ~ 40 orders, phosphogypsum and water are joined in stirrer, liquid-solid ratio is made to be (20 ~ 25): 80, after stirring 0.5 ~ 1h, leave standstill 3 ~ 4h, remove floating superincumbent organic impurity, then calcium oxide is added, the weight ratio of calcium oxide and phosphogypsum is (0.2 ~ 5): 98, stir reflection 2 ~ 3h at the temperature of 40 ~ 60 DEG C after, crossed 40 ~ 60 mesh sieves, screen underflow is the phosphogypsum that phosphogypsum dihydrate content is more than 86%.
In described step (1), yellow phosphorus furnace slag and phosphogypsum quality are than being 100:15, and temperature of reaction is 85 DEG C, and the reaction times is 3.5h.
In described step (2), the ripening time is 18 days.
In described step (4), phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 18h under the environment of 100 DEG C.
In described step (5), the slow oven dry at the temperature of 50 DEG C of phosphogypsum base material after step (4) being processed is 5% to moisture content, then sanded is carried out on its surface, its surface finish is made to be 1mm, then polyester oil despot paint white paint is applied, thickness is 0.8mm, drying treatment 16h at the temperature of 55 DEG C, then multi-color lacquer is sprayed again, thickness is 1.5mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 5min at the temperature of 110 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 0.8mm, the temperature of 50 DEG C oven dry is adopted to be 5% to moisture content afterwards again.
Beneficial effect of the present invention is:
1. the present invention adopts phosphogypsum, yellow phosphorus furnace slag and unslaked lime to be that marbleizing decorating plates prepared by raw material, solves the phosphogypsum present situation that pile up like a mountain, to protection of the environment, realizes Sustainable development significant.Meanwhile, raw material sources are extensive and cheap, make the production cost of this marbleizing decorating plates lower.
2. find through research, Soluble matter content in phosphogypsum is higher, the solidifiability of phosphogypsum is poorer, the present invention is by processing existing phosphogypsum, phosphogypsum is dried at a certain temperature to moisture content be less than 10%, send in Vertical Mill device and complete phosphogypsum Granular composite, grinding, then phosphogypsum and water are joined in stirrer and stir, then leave standstill, floating superincumbent organic impurity can be removed, then after adding calcium oxide stirring reflection for some time, crossed 40 ~ 60 mesh sieves, screen underflow is the phosphogypsum that phosphogypsum dihydrate content is more than 86%, screen overflow is the Vanadium Pentoxide in FLAKES of calcium oxide and solubility and the product of fluorochemical reaction, with this by solubility Vanadium Pentoxide in FLAKES in phosphogypsum and fluorochemical removing, substantially increase the solidifiability of phosphogypsum, enhance the over-all properties of phosphogypsum.
3. by being mixed according to certain mass ratio with phosphogypsum by yellow phosphorus furnace slag, then stirring reaction at the temperature of 80 ~ 90 DEG C, can carry out modification to yellow phosphorus furnace slag significantly, makes the phosphorus slag powder good fluidity obtained, uniform particles.
4. after unslaked lime, phosphogypsum being mixed with phosphorus slag powder, carry out ripening, owing to first yellow phosphorus furnace slag and a small amount of phosphogypsum being carried out pre-treatment, obtain the phosphorus slag powder of good flowing properties, ageing is carried out after it being mixed with phosphogypsum, unslaked lime again, eliminate the acidity of phosphogypsum, and modification is carried out to phosphogypsum, shorten digestion time, phosphorus slag powder is carried out hydration reaction and is generated primary product ettringite crystal, can improve intensity and the water tolerance of marbleizing decorating plates significantly.
5., compared with traditional High Temperature High Pressure maintenance, the present invention carries out maintenance by employing normal pressure, low temperature to marbleizing decorating plates, and significantly improve quality and the product qualified rate of this marbleizing decorating plates, and energy consumption is low, production efficiency is high, invests little.Meanwhile, adopt this kind of maintenance process, significantly reduce the shrinking percentage of base material in dry environment and the rate of expansion in soaked environment, enhance the ultimate compression strength of base material, extend the work-ing life of base material.
6. preparation method of the present invention is simple, easy to operate.And the marbleizing decorating plates produced has the advantages such as lightweight, waterproof fireproofing performance is good, ultimate compression strength is high, weathering resistance is strong, can be widely used as the finishing material of indoor and outdoor.
Embodiment
Conveniently those skilled in the art will recognize that the present invention will be further described below in conjunction with embodiment.Embodiment is only illustrating this invention, is not limitation of the invention, and the step not doing in embodiment to illustrate is all prior arts, is not described in detail at this.
Phosphogypsum of the present invention is from Xifeng Heavy Calcium Factory, Kailin Group. Guizhou, and its total phosphorous is 1.62%, and free-water is 12.33%, and calcium oxide is 31.22%, and silicon-dioxide is 3.31%, and sulfur trioxide content is 40.02%.
Yellow phosphorus furnace slag of the present invention comes from Guizhou and opens phosphorylcholine group Xifeng Lin Ye company, and the content of its silicon-dioxide is 37.60%, and calcium oxide content is 51.12%, and phosphorus pentoxide content is 2.12%, and the content of aluminium sesquioxide is 2.24%.
Lime of the present invention is commercially available, and the content of its calcium oxide is more than 55%.
Embodiment one
Raw material:
Phosphogypsum 30kg, yellow phosphorus furnace slag 15kg and unslaked lime 0.1kg.
Preparation method:
Get 1.5kg phosphogypsum and send into stirrer for mixing together with yellow phosphorus furnace slag, stirring reaction 4h at the temperature of 80 DEG C, then send into grinding machine for grinding and become 80 object fine powders, obtain phosphorus slag powder, remaining 28.5kg phosphogypsum and unslaked lime, phosphorus slag powder are sent to stirrer for mixing, then natural ripening 16 days, obtain mixture, after water mixture being added mixture weight 10% stirs, be poured in mould, after the demoulding, obtain shaping phosphogypsum base material, phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 20h in the curing room of 95 DEG C, then be that at the temperature of 40 DEG C, slowly oven dry to moisture content is 7% in temperature by phosphogypsum base material, then sanded is carried out on its surface, its surface finish is made to be 0.5mm, then polyester oil despot paint white paint is applied, thickness is 0.5mm, drying treatment 18h at the temperature of 50 DEG C, then multi-color lacquer is sprayed again, thickness is 2mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 6min at the temperature of 100 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 0.5mm, the temperature of 40 DEG C oven dry is adopted to be 6% to moisture content afterwards again, obtain marbleizing decorating plates.
Embodiment two
Raw material:
Phosphogypsum 80kg, yellow phosphorus furnace slag 60kg and unslaked lime 10kg.
Preparation method:
Get 12kg phosphogypsum and yellow phosphorus furnace slag sends into stirrer for mixing, stirring reaction 4h at the temperature of 90 DEG C, then send into grinding machine for grinding and become 100 object fine powders, obtain phosphorus slag powder, get remaining 68kg phosphogypsum and unslaked lime, phosphorus slag powder are sent to stirrer for mixing, then natural ripening 24 days, obtain mixture, after the water adding mixture weight 15% to mixture stirs, be poured in mould, after the demoulding, obtain shaping phosphogypsum base material, phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 16h in the curing room of 105 DEG C, then be that at the temperature of 60 DEG C, slowly oven dry to moisture content is 3% in temperature by phosphogypsum base material, then sanded is carried out on its surface, its surface finish is made to be 2mm, then polyester oil despot paint white paint is applied, thickness is 1mm, drying treatment 15h at the temperature of 60 DEG C, then multi-color lacquer is sprayed again, thickness is 1mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 4min at the temperature of 120 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 1mm, the temperature of 60 DEG C oven dry is adopted to be 4% to moisture content afterwards again, obtain marbleizing decorating plates.
In described unslaked lime, calcium oxide content is more than 55%.
Embodiment three
Raw material:
Phosphogypsum 60kg, yellow phosphorus furnace slag 25kg and unslaked lime 2kg.
Preparation method:
Get 3kg phosphogypsum and yellow phosphorus furnace slag sends into stirrer for mixing, stirring reaction 3.5h at the temperature of 82 DEG C, then send into grinding machine for grinding and become 100 object fine powders, obtain phosphorus slag powder, get 57kg phosphogypsum and unslaked lime, phosphorus slag powder are sent to stirrer for mixing, then natural ripening 17 days, obtain mixture, after the water adding mixture weight 12% in mixture stirs, be poured in mould, after the demoulding, obtain shaping phosphogypsum base material, phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 17h in the curing room of 98 DEG C, then be that at the temperature of 45 DEG C, slowly oven dry to moisture content is 6% in temperature by phosphogypsum base material, then sanded is carried out on its surface, its surface finish is made to be 1mm, then polyester oil despot paint white paint is applied, thickness is 0.7mm, drying treatment 17h at the temperature of 52 DEG C, then multi-color lacquer is sprayed again, thickness is 1.4mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 6min at the temperature of 105 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 0.6mm, the temperature of 45 DEG C oven dry is adopted to be 5% to moisture content afterwards again, obtain marbleizing decorating plates.
In described unslaked lime, calcium oxide content is more than 55%.
Embodiment four
Raw material:
Phosphogypsum 70kg, yellow phosphorus furnace slag 35kg and unslaked lime 5kg.
Preparation method:
Get 5kg phosphogypsum and send into stirrer for mixing together with yellow phosphorus furnace slag, stirring reaction 4h at the temperature of 88 DEG C, then send into grinding machine for grinding and become 100 object fine powders, obtain phosphorus slag powder, get 65kg phosphogypsum and unslaked lime, phosphorus slag powder are sent to stirrer for mixing, then natural ripening 22 days, obtain mixture, after water mixture being added mixture weight 14% stirs, be poured in mould, after the demoulding, obtain shaping phosphogypsum base material, phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 19h in the curing room of 102 DEG C, then be that at the temperature of 55 DEG C, slowly oven dry to moisture content is 4% in temperature by phosphogypsum base material, then sanded is carried out on its surface, its surface finish is made to be 1.5mm, then polyester oil despot paint white paint is applied, thickness is 0.8mm, drying treatment 16h at the temperature of 58 DEG C, then multi-color lacquer is sprayed again, thickness is 1.8mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 5min at the temperature of 113 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 0.7mm, the temperature of 55 DEG C oven dry is adopted to be 5% to moisture content afterwards again, obtain marbleizing decorating plates.
Embodiment five
Raw material:
Phosphogypsum 67kg, yellow phosphorus furnace slag 30kg and unslaked lime 3kg.
Preparation method:
First phosphogypsum is dried in the drying machine of 260 DEG C to moisture content be 10%, then completing phosphogypsum Granular composite and be ground to fineness in feeding Vertical Mill device is 30 orders, then phosphogypsum and water are joined in stirrer, liquid-solid ratio is made to be 20:80, after stirring 0.5h, leave standstill 3h, then floating superincumbent organic impurity is removed, then calcium oxide is added, the weight ratio of calcium oxide and phosphogypsum is 0.2:98, stir reflection 2h at the temperature of 40 DEG C after, crossed 60 mesh sieves, screen underflow is the phosphogypsum that phosphogypsum dihydrate content is more than 86%.Get 4kg phosphogypsum and yellow phosphorus furnace slag sent into stirrer for mixing, stirring reaction 3.5h at the temperature of 85 DEG C, then sending into grinding machine for grinding and become 80 object fine powders, obtain phosphorus slag powder, get remaining 63kg phosphogypsum and unslaked lime, phosphorus slag powder are sent to stirrer for mixing, then natural ripening 18 days, obtain mixture, after water mixture being added mixture weight 13% stirs, be poured in mould, after the demoulding, obtain shaping phosphogypsum base material, phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 18h in the curing room of 100 DEG C, then be that at the temperature of 50 DEG C, slowly oven dry to moisture content is 5% in temperature by phosphogypsum base material, then sanded is carried out on its surface, its surface finish is made to be 1mm, then polyester oil despot paint white paint is applied, thickness is 0.8mm, drying treatment 16h at the temperature of 55 DEG C, then multi-color lacquer is sprayed again, thickness is 1.5mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 5min at the temperature of 110 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 0.8mm, the temperature of 50 DEG C oven dry is adopted to be 5% to moisture content afterwards again.
Embodiment six
Raw material:
Phosphogypsum 60kg, calcium silicofluoride 6kg, tetrafluoroethylene 0.5kg, clay 1kg, yellow phosphorus furnace slag 25kg and unslaked lime 2kg.
Preparation method:
First phosphogypsum is dried in the drying machine of 260 DEG C to moisture content be 10%, then completing phosphogypsum Granular composite and be ground to fineness in feeding Vertical Mill device is 30 orders, then phosphogypsum and water are joined in stirrer, liquid-solid ratio is made to be 20:80, after stirring 0.5h, leave standstill 3h, then floating superincumbent organic impurity is removed, then calcium oxide is added, the weight ratio of calcium oxide and phosphogypsum is 0.2:98, stir reflection 2h at the temperature of 40 DEG C after, crossed 60 mesh sieves, screen underflow is the phosphogypsum that phosphogypsum dihydrate content is more than 86%.Get 3kg phosphogypsum and yellow phosphorus furnace slag sends into stirrer for mixing, stirring reaction 3.5h at the temperature of 82 DEG C, then send into grinding machine for grinding and become 100 object fine powders, obtain phosphorus slag powder, get phosphoric residue gypsum and calcium silicofluoride, tetrafluoroethylene, clay, unslaked lime, phosphorus slag powder are sent to stirrer for mixing, then natural ripening 17 days, obtain mixture, after the water adding mixture weight 12% in mixture stirs, be poured in mould, after the demoulding, obtain shaping phosphogypsum base material, phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 17h in the curing room of 98 DEG C, then be that at the temperature of 45 DEG C, slowly oven dry to moisture content is 6% in temperature by phosphogypsum base material, then sanded is carried out on its surface, its surface finish is made to be 1mm, then polyester oil despot paint white paint is applied, thickness is 0.7mm, drying treatment 17h at the temperature of 52 DEG C, then multi-color lacquer is sprayed again, thickness is 1.4mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 6min at the temperature of 105 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 0.6mm, the temperature of 45 DEG C oven dry is adopted to be 5% to moisture content afterwards again, obtain marbleizing decorating plates.Tetrafluoroethylene has resistance to elevated temperatures, corrosion resistance nature and weather resistance, and calcium silicofluoride has the effect of solidification and moisture absorption, and clay plays the effect of caking agent.The present embodiment, by the raw materials basis of marbleizing decorating plates in embodiment four adds tetrafluoroethylene, calcium silicofluoride and clay, makes marbleizing decorating plates obtain better lightweight, waterproof fireproofing performance, ultimate compression strength and weather resistance.
Embodiment seven
Raw material:
Phosphogypsum 70kg, calcium silicofluoride 10kg, tetrafluoroethylene 2kg, clay 3kg, yellow phosphorus furnace slag 35kg and unslaked lime 5kg.
Preparation method:
First phosphogypsum is dried in the drying machine of 300 DEG C to moisture content be 6%, then completing phosphogypsum Granular composite and be ground to fineness in feeding Vertical Mill device is 40 orders, then phosphogypsum and water are joined in stirrer, liquid-solid ratio is made to be 25:80, after stirring 1h, leave standstill 4h, then floating superincumbent organic impurity is removed, then calcium oxide is added, the weight ratio of calcium oxide and phosphogypsum is 5:98, stir reflection 3h at the temperature of 60 DEG C after, crossed 30 mesh sieves, screen underflow is the phosphogypsum that phosphogypsum dihydrate content is more than 86%.Get 5kg phosphogypsum and send into stirrer for mixing together with yellow phosphorus furnace slag, stirring reaction 4h at the temperature of 88 DEG C, then send into grinding machine for grinding and become 100 object fine powders, obtain phosphorus slag powder, get phosphoric residue gypsum and unslaked lime, calcium silicofluoride, tetrafluoroethylene, clay, phosphorus slag powder are sent to stirrer for mixing, then natural ripening 22 days, obtain mixture, after water mixture being added mixture weight 14% stirs, be poured in mould, after the demoulding, obtain shaping phosphogypsum base material, phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 19h in the curing room of 102 DEG C, then be that at the temperature of 55 DEG C, slowly oven dry to moisture content is 4% in temperature by phosphogypsum base material, then sanded is carried out on its surface, its surface finish is made to be 1.5mm, then polyester oil despot paint white paint is applied, thickness is 0.8mm, drying treatment 16h at the temperature of 58 DEG C, then multi-color lacquer is sprayed again, thickness is 1.8mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 5min at the temperature of 113 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 0.7mm, the temperature of 55 DEG C oven dry is adopted to be 5% to moisture content afterwards again, obtain marbleizing decorating plates.Tetrafluoroethylene has resistance to elevated temperatures, corrosion resistance nature and weather resistance, and calcium silicofluoride has the effect of solidification and moisture absorption, and clay plays the effect of caking agent.The present embodiment, by the raw materials basis of marbleizing decorating plates in embodiment five adds tetrafluoroethylene, calcium silicofluoride and clay, makes marbleizing decorating plates obtain better lightweight, waterproof fireproofing performance, ultimate compression strength and weather resistance.
Embodiment eight
Raw material:
Phosphogypsum 67kg, calcium silicofluoride 8kg, tetrafluoroethylene 1kg, clay 2kg, yellow phosphorus furnace slag 30kg and unslaked lime 3kg.
Preparation method:
First phosphogypsum is dried in the drying machine of 280 DEG C to moisture content be 18%, then completing phosphogypsum Granular composite and be ground to fineness in feeding Vertical Mill device is 30 orders, then phosphogypsum and water are joined in stirrer, liquid-solid ratio is made to be 22:80, after stirring 0.8h, leave standstill 3.5h, then floating superincumbent organic impurity is removed, then calcium oxide is added, the weight ratio of calcium oxide and phosphogypsum is 3:98, stir reflection 2.5h at the temperature of 50 DEG C after, crossed 60 mesh sieves, screen underflow is the phosphogypsum that phosphogypsum dihydrate content is more than 86%.Get 4kg phosphogypsum and yellow phosphorus furnace slag sent into stirrer for mixing, stirring reaction 3.5h at the temperature of 85 DEG C, then sending into grinding machine for grinding and become 80 object fine powders, obtain phosphorus slag powder, get remaining phosphogypsum and unslaked lime, calcium silicofluoride, tetrafluoroethylene, clay, phosphorus slag powder are sent to stirrer for mixing, then natural ripening 18 days, obtain mixture, after water mixture being added mixture weight 13% stirs, be poured in mould, after the demoulding, obtain shaping phosphogypsum base material, phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 18h in the curing room of 100 DEG C, then be that at the temperature of 50 DEG C, slowly oven dry to moisture content is 5% in temperature by phosphogypsum base material, then sanded is carried out on its surface, its surface finish is made to be 1mm, then polyester oil despot paint white paint is applied, thickness is 0.8mm, drying treatment 16h at the temperature of 55 DEG C, then multi-color lacquer is sprayed again, thickness is 1.5mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 5min at the temperature of 110 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 0.8mm, the temperature of 50 DEG C oven dry is adopted to be 5% to moisture content afterwards again.Tetrafluoroethylene has resistance to elevated temperatures, corrosion resistance nature and weather resistance, and calcium silicofluoride has the effect of solidification and moisture absorption, and clay plays the effect of caking agent.The present embodiment, by the raw materials basis of marbleizing decorating plates in embodiment five adds tetrafluoroethylene, calcium silicofluoride and clay, makes marbleizing decorating plates obtain better lightweight, waterproof fireproofing performance, ultimate compression strength and weather resistance.
Embodiment nine
Raw material:
Phosphogypsum 67kg, calcium silicofluoride 8kg, pitch 0.5kg, tetrafluoroethylene 1kg, clay 2kg, yellow phosphorus furnace slag 30kg and unslaked lime 3kg.
Preparation method:
First phosphogypsum is dried in the drying machine of 280 DEG C to moisture content be 18%, then completing phosphogypsum Granular composite and be ground to fineness in feeding Vertical Mill device is 30 orders, then phosphogypsum and water are joined in stirrer, liquid-solid ratio is made to be 22:80, after stirring 0.8h, leave standstill 3.5h, then floating superincumbent organic impurity is removed, then calcium oxide is added, the weight ratio of calcium oxide and phosphogypsum is 3:98, stir reflection 2.5h at the temperature of 50 DEG C after, crossed 60 mesh sieves, screen underflow is the phosphogypsum that phosphogypsum dihydrate content is more than 86%.Get 4kg phosphogypsum and yellow phosphorus furnace slag sent into stirrer for mixing, stirring reaction 3.5h at the temperature of 85 DEG C, then sending into grinding machine for grinding and become 80 object fine powders, obtain phosphorus slag powder, get remaining phosphogypsum and unslaked lime, calcium silicofluoride, pitch, tetrafluoroethylene, clay, phosphorus slag powder are sent to stirrer for mixing, then natural ripening 18 days, obtain mixture, after water mixture being added mixture weight 13% stirs, be poured in mould, after the demoulding, obtain shaping phosphogypsum base material, phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 18h in the curing room of 100 DEG C, then be that at the temperature of 50 DEG C, slowly oven dry to moisture content is 5% in temperature by phosphogypsum base material, then sanded is carried out on its surface, its surface finish is made to be 1mm, then polyester oil despot paint white paint is applied, thickness is 0.8mm, drying treatment 16h at the temperature of 55 DEG C, then multi-color lacquer is sprayed again, thickness is 1.5mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 5min at the temperature of 110 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 0.8mm, the temperature of 50 DEG C oven dry is adopted to be 5% to moisture content afterwards again.
Test one:
The marbleizing decorating plates that common marble and embodiment one to embodiment five obtain is carried out simultaneous test.Wherein, the water-intake rate of sample adopts GB/T9966.3 test method, and compressive strength adopts the test method of GB/T9966.1, and fastness to rubbing adopts the test method of GB/T19766 ~ 2005.Testing data sees the following form 1:
Table 1
| Tested sample | Water-intake rate (%) | Compressive strength (MPa) | Fastness to rubbing (l/cm 3) | Density (g/cm 3) |
| Marble | 0.32 | 104.7 | 16.3 | 2.73 |
| Embodiment one | 0.33 | 105.3 | 22.5 | 2.59 |
| Embodiment two | 0.31 | 104.1 | 27.1 | 2.61 |
| Embodiment three | 0.34 | 109.2 | 28.4 | 2.51 |
| Embodiment four | 0.30 | 111.6 | 26.1 | 2.63 |
| Embodiment five | 0.27 | 118.6 | 28.3 | 2.65 |
| Standard-required | ≤3 | ≥55 | ≥10 | ≥2.56 |
As can be seen from above-mentioned test-results, marbleizing decorating plates prepared by the present invention, the requirement of relevant criterion such as " architectural coating stone material test methods " that its water-intake rate, compressive strength, fastness to rubbing and density all meet, and its over-all properties is better than lithotome marble.
Test two:
Randomly draw marbleizing decorating plates prepared by embodiment one to embodiment five, first test specimen is carried out high temperature ~ trickle and circulate 80 times, each 6h.Adopt the time of one hour that surface of test piece temperature is risen to 70 DEG C, be 15% by the humid control of test specimen within this period, then constant temperature keeps two hours, controls the homogeneity of air themperature and surface of test piece temperature; Then trickle one hour, trickle temperature is 15 DEG C, and trickle is wanted evenly; Leave standstill after two hours, heating ~ freeze cycle 20 times, each 24h.Adopt and surface of test piece temperature was risen to 50 DEG C in two hours, keep constant temperature six hours, control the homogeneity of air themperature and surface of test piece temperature, then utilize the time of four hours that the temperature of surface of test piece is slowly down to subzero 20 DEG C, and keep constant temperature 12 hours.Test-results: after above-mentioned process, test specimen is all without efflorescence and peeling.Therefore, the weathering resistance of above-mentioned test specimen is stronger.
Test three
Phosphogypsum, yellow phosphorus furnace slag and unslaked lime are sent to stirrer for mixing with the weight ratio of 67:30:3, then natural ripening 20 days, after water material after ripening being added mixture weight 12% stirs, be poured in mould, obtain shaping length after the demoulding and be widely 200mm phosphogypsum base material, this phosphogypsum base material is carried out maintenance under different curing conditions, again the base material after maintenance is carried out drying or bubble process, the length variations situation of base material after recording processing, result is as following table:
Table 2
Table 3
Table 4
Table 2 is dry and the Swelling and contraction situation of phosphogypsum base material under soaked cycling condition, and as can be seen from the table, under normal pressure, the curing condition of 95 ~ 105 DEG C, the expansion of phosphogypsum base material and shrinkage value are minimum.Table 3 is expansion and the situation of contraction of phosphogypsum base material under drying conditions, as can be seen from the table, under normal pressure, the curing condition of 95 ~ 105 DEG C, on the whole in swelling state, the swell value of phosphogypsum base material is minimum, its shrinkage value is more higher than the value of maintenance under 0.3MPa, 130 DEG C of conditions, but under normal pressure, the curing condition of 95 ~ 105 DEG C, the inflationary spiral of the phosphogypsum base material entirety of maintenance is minimum.Table 4 is expansion and the situation of contraction of phosphogypsum base material under long-term soaked condition, and as can be seen from the table, it is on the whole in inflationary spiral, and under normal pressure, the curing condition of 95 ~ 105 DEG C, the inflationary spiral of phosphogypsum base material entirety is minimum.Can reach a conclusion thus, be marbleizing decorating plates prepared by raw material for employing phosphogypsum, yellow phosphorus furnace slag and unslaked lime, and the curing condition of its best is normal pressure, the temperature of 95 ~ 105 DEG C.
Test four
Proportioning: 1, phosphogypsum 30kg, yellow phosphorus furnace slag 15kg and unslaked lime 0.1kg; 2, phosphogypsum 80kg, yellow phosphorus furnace slag 60kg and unslaked lime 10kg; 3, phosphogypsum 60kg, yellow phosphorus furnace slag 25kg and unslaked lime 2kg; 4, phosphogypsum 70kg, yellow phosphorus furnace slag 35kg and unslaked lime 5kg; 5, phosphogypsum 67kg, yellow phosphorus furnace slag 30kg and unslaked lime 3kg.
Preparation method: adopt following working method to process the raw material of above-mentioned different ratio: by phosphogypsum, yellow phosphorus furnace slag and unslaked lime are sent to stirrer for mixing, then natural ripening 24 days, after water material after ripening being added mixture weight 12% stirs, be poured in mould, obtain shaping length after the demoulding and be widely 200mm floor tile, pressure is adopted to be 0.3MPa this floor tile, vapor temperature is maintenance 24h under the environment of 90 DEG C, the temperature oven dry again floor tile being adopted 50 ~ 60 DEG C is less than 6% to moisture content, the ultimate compression strength result detecting the floor tile sample obtained is as follows:
Table 5
| Numbering | Weight/㎏ | Load area/㎜ 2 | Resistance to compression force value/kN | Ultimate compression strength/MPa |
| 1 | 2.398 | 7200 | 247.1 | 34.3 |
| 2 | 2.421 | 7200 | 214.9 | 29.8 |
| 3 | 2.345 | 7200 | 192.5 | 26.7 |
| 4 | 2.351 | 7200 | 230.7 | 32.0 |
| 5 | 2.412 | 7200 | 276.4 | 38.4 |
As can be seen from Table 5, adopt the floor tile ultimate compression strength of formula preparation of the present invention all higher, especially the floor tile ultimate compression strength that processes of the formula of the 5th group is the highest.Therefore, the formula in the invention process five is optimum formula of the present invention.
To sum up, the marbleizing decorating plates adopting formula of the present invention and preparation method to prepare, has the advantages such as waterproof fireproofing performance is good, ultimate compression strength is high, weathering resistance is strong, is suitable for promoting the use of.And raw material sources is extensive, and cost is lower, has larger economic benefit.
Contriver emphasizes at this: the above, it is only better example of the present invention, not any pro forma restriction is done to the present invention, anyly do not depart from technical solution of the present invention content, the any simple modification done above example according to technical spirit of the present invention, coversion material equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a marbleizing decorating plates, is characterized in that, with parts by weight, is prepared from by following raw material: phosphogypsum 30 ~ 80 parts, yellow phosphorus furnace slag 15 ~ 60 parts and unslaked lime 0.1 ~ 10 part.
2. marbleizing decorating plates as claimed in claim 1, is characterized in that, with parts by weight, with parts by weight, be prepared from by following raw material: phosphogypsum 60 ~ 70 parts, yellow phosphorus furnace slag 25 ~ 35 parts and unslaked lime 2 ~ 5 parts.
3. marbleizing decorating plates as claimed in claim 1, is characterized in that, with parts by weight, be prepared from by following raw material: phosphogypsum 67 parts, yellow phosphorus furnace slag 30 parts and unslaked lime 3 parts are prepared from.
4. the marbleizing decorating plates as described in claims 1 to 3 any one, is characterized in that, described raw material also comprises calcium silicofluoride 6 ~ 10 parts, tetrafluoroethylene 0.5 ~ 2 part and clay 1 ~ 3 part.
5. the preparation method of the marbleizing decorating plates as described in claims 1 to 3 any one, is characterized in that, comprises the following steps:
(1) by yellow phosphorus furnace slag with phosphogypsum according to 100:(10 ~ 20) mass ratio mix, then stirring reaction 3 ~ 4h at the temperature of 80 ~ 90 DEG C, then grinds to form 80 ~ 100 object fine powders, obtains phosphorus slag powder;
(2) phosphorus slag powder, unslaked lime are mixed with phosphoric residue gypsum, then natural ripening 16 ~ 24 days, obtain mixture;
(3), after the water adding mixture weight 10 ~ 15% in mixture stirs, be poured in mould, after the demoulding, obtain shaping phosphogypsum base material;
(4) phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 16 ~ 20h under the environment of 95 ~ 105 DEG C;
(5) the slow oven dry at the temperature of 40 ~ 60 DEG C of the phosphogypsum base material after step (4) being processed is 3 ~ 7% to moisture content, then sanded is carried out on its surface, its surface finish is made to be 0.5 ~ 2mm, then polyester oil despot paint white paint is applied, thickness is 0.5 ~ 1mm, drying treatment 15 ~ 18h at the temperature of 50 ~ 60 DEG C, then multi-color lacquer is sprayed again, thickness is 1 ~ 2mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 4 ~ 6min at the temperature of 100 ~ 120 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 0.5-1mm, the temperature of 40 ~ 60 DEG C oven dry is adopted to be 4 ~ 6% to moisture content afterwards again.
6. the preparation method of marbleizing decorating plates as claimed in claim 5, it is characterized in that, in described unslaked lime, calcium oxide content is more than 55%.
7. the preparation method of marbleizing decorating plates as claimed in claim 5, is characterized in that, in described step (1), yellow phosphorus furnace slag and phosphogypsum quality are than being 100:15, and temperature of reaction is 85 DEG C, and the reaction times is 3.5h.
8. the preparation method of marbleizing decorating plates as claimed in claim 5, is characterized in that, in described step (4), phosphogypsum base material is sent into normal pressure, vapor temperature is maintenance process 18h under the environment of 100 DEG C.
9. the preparation method of marbleizing decorating plates as claimed in claim 5, it is characterized in that, in described step (5), the slow oven dry at the temperature of 50 DEG C of phosphogypsum base material after step (4) being processed is 5% to moisture content, then sanded is carried out on its surface, its surface finish is made to be 1mm, then polyester oil despot paint white paint is applied, thickness is 0.8mm, drying treatment 16h at the temperature of 55 DEG C, then multi-color lacquer is sprayed again, thickness is 1.5mm, make multi-color lacquer after base material shows nature levelling, carry out again spreading a spraying multi-color lacquer, then by base material baking and curing 5min at the temperature of 110 DEG C, then polyester oil despot paint varnish is sprayed, thickness is 0.8mm, the temperature of 50 DEG C oven dry is adopted to be 5% to moisture content afterwards again.
10. the preparation method of marbleizing decorating plates as claimed in claim 5, it is characterized in that, in described phosphogypsum, the content of dihydrate gypsum is more than 86%.
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