CN111848085A - Manufacturing method of flame-retardant phosphogypsum wallboard for building decoration - Google Patents
Manufacturing method of flame-retardant phosphogypsum wallboard for building decoration Download PDFInfo
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- CN111848085A CN111848085A CN202010732729.3A CN202010732729A CN111848085A CN 111848085 A CN111848085 A CN 111848085A CN 202010732729 A CN202010732729 A CN 202010732729A CN 111848085 A CN111848085 A CN 111848085A
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- 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
- C04B28/143—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 phosphogypsum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
- B28B1/525—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement containing organic fibres, e.g. wood fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/04—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould
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- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/463—Organic solvents
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- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/62—Coating or impregnation with organic materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
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- 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
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/63—Flame-proofing agents
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
- E04F2290/045—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire
Abstract
The invention provides a method for manufacturing a flame-retardant ardealite wallboard for building decoration, which comprises the following steps: preparing phosphogypsum powder; preparing mixed raw materials by using straws, moso bamboo waste materials, argil powder and phosphogypsum powder; preparing a mixed flame retardant; uniformly stirring and mixing the mixed raw materials and the mixed flame retardant to prepare a mixed mould material; pressing the mixed mould material by a press machine to form the flame-retardant phosphogypsum wallboard for building decoration; preparing flame-retardant paint; the flame-retardant ardealite wallboard for building decoration is soaked in the flame-retardant paint for 7 to 10 hours; airing the flame-retardant phosphogypsum wallboard for building decoration; by adopting the technical scheme of the invention, resources such as straw, moso bamboo waste, phosphogypsum and the like are used, the utilization rate of raw materials is improved, the harm to the environment in the production process is reduced, the activity of substances in the flame retardant is kept by mixing and stirring at high temperature, the flame retardant property is improved, and the fire safety hidden danger is eliminated.
Description
Technical Field
The invention relates to the field of building material manufacturing, in particular to a manufacturing method of a flame-retardant phosphogypsum wallboard for building decoration.
Background
The phosphogypsum is solid waste residue generated when phosphorite is treated by sulfuric acid in the production of phosphoric acid, the main component of the phosphogypsum is calcium sulfate, the phosphogypsum is powdery and contains 20-25% of water, the phosphogypsum is a byproduct in the production process of extracting the phosphoric acid by a sulfuric acid method, 4.5-5.5 tons of phosphogypsum are generated when 1 ton of phosphoric acid is produced, the large amount of land is occupied by the discharge of the phosphogypsum, and soluble phosphorus, fluorine and the like in the phosphogypsum are soaked in rainwater for a long time, so that the pollution of soil, a water system and the atmosphere is caused by the. The phosphogypsum is widely used as various building materials, has beautiful appearance and improves the ornamental value of corresponding products. The flame-retardant phosphogypsum wallboard for building decoration is mainly used for building walls, the existing building walls are mostly made of brick plate materials such as soil, fly ash, gypsum, cement, concrete bricks and the like, the bricks generally depend on a firing technology and have better structural strength, but the firing process of the common bricks has high energy consumption, large pollution and high installation cost, and cannot be reused after installation, so that the use of the flame-retardant phosphogypsum wallboard for building decoration to replace the traditional bricks is one of the development directions of buildings, but because fire accidents frequently occur, the flame-retardant phosphogypsum wallboard causes great harm to lives and properties of people and living environments, and brings certain influence on the environmental protection. The fire retardants generally adopted in the ardealite fire prevention technology at present are phosphate fire retardants, borate fire retardants, ammonium polyphosphate fire retardants or fire retardants fixed by amino resins, a proper amount of fire retardants are generally added in the wood material manufacturing process in the fire retardant treatment process, the existing fire retardants are generally carried out at normal temperature in the manufacturing process, and the stirring strength is low in the mixing process, so that the fire retardants cannot be fully diffused to all areas of the fire retardant ardealite wallboard for building decoration, namely, the distribution of the fire retardants in the fire retardant ardealite wallboard for building decoration after press forming is extremely uneven, and the using effect of the fire retardant ardealite wallboard for building decoration is influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a method for manufacturing a flame-retardant phosphogypsum wallboard for building decoration.
The invention is realized by the following technical scheme.
The invention provides a method for manufacturing a flame-retardant ardealite wallboard for building decoration, which comprises the following steps:
the method comprises the following steps: preparing phosphogypsum powder: inputting the water-containing phosphogypsum into a pneumatic drier for dehydration and drying to obtain phosphogypsum powder, wherein the drying time is 1-4 hours, the drying temperature is controlled at 150-180 ℃, and the water content of the phosphogypsum powder is less than or equal to 3%;
step two: preparing mixed raw materials: respectively crushing the wood waste straw, the moso bamboo waste and the argil powder by using a crusher to ensure that the particle size of the crushed wood waste straw is less than 1 cm, the particle size of the crushed moso bamboo waste is less than 2 cm and the particle size of the crushed argil powder is less than 1 cm, and then crushing the crushed wood waste straw, the crushed moso bamboo waste, the crushed argil powder and the phosphogypsum powder in the step two according to a ratio of 1:2: 3: 4, uniformly mixing to obtain a mixed raw material;
step three: preparing a mixed flame retardant: uniformly mixing and stirring latex powder, magnesium hydroxide, polyvinyl alcohol, oxalic acid, phosphoric acid, silicon dioxide, fatty alcohol-polyoxyethylene ether sulfuric acid, hydrophobic powder and water according to the following mass parts at the temperature of 80-120 ℃, and then cooling to normal temperature to prepare a mixed flame retardant;
emulsion powder: 10-15 parts;
magnesium hydroxide: 10-25 parts;
polyvinyl alcohol: 25-30 parts of a solvent;
oxalic acid: 12-15 parts;
phosphoric acid: 20-25 parts;
silicon dioxide: 10-15 parts;
fatty alcohol polyoxyethylene ether sulfuric acid: 5-10 parts;
hydrophobic powder: 5-10 parts;
water: 30-50 parts of a solvent;
step four: preparing a mixed mould material: mixing the mixed raw materials in the step two with the mixed flame retardant in the step three according to the ratio of 5: 1, uniformly stirring and mixing at normal temperature to prepare a mixed die material;
step five: and (3) pressing and forming: providing a press machine and a plate die, wherein a rectangular die cavity is arranged in the plate die, the plate die is arranged on the press machine, and the step four is carried out, namely the mixed die material is poured into the rectangular die cavity according to the proportion of 5: 1-3: and (3) pressing the mixed mould material to form by a press at a compression ratio of 1, and baking the discharged material after demoulding to obtain the flame-retardant phosphogypsum wallboard for decorating the rectangular building.
In the step of preparing the mixed flame retardant in the third step, the latex powder, the magnesium hydroxide, the polyvinyl alcohol, the oxalic acid, the phosphoric acid, the silicon dioxide, the fatty alcohol-polyoxyethylene ether sulfuric acid, the hydrophobic powder and the water are uniformly mixed and stirred at the temperature of 80-120 ℃ for not less than 60 min.
In the fourth step, in the process of preparing the mixed mould material, the mixed raw material and the mixed flame retardant are stirred in the mode of stirring along the direction in which the clockwise direction and the anticlockwise direction are alternated, the duration time of single clockwise stirring or anticlockwise stirring is not less than 10min, and the number of alternation of clockwise stirring and anticlockwise stirring is 10-15.
And fifthly, after demolding, baking the discharged material, wherein the baking duration is not less than 2 h.
And step five, after demolding, baking the discharged material, wherein the baking temperature is 60-80 ℃.
In the step of press forming the flame-retardant ardealite wallboard for rectangular building decoration in the step five, the output rated pressure of the press is 1000 t-1500 t.
The specification of the flame-retardant ardealite wallboard for rectangular building decoration in the step five is as follows: length x width x height (50cm to 80cm) x (40cm to 60cm) x (10cm to 20 cm).
And step four, preparing a mixed mould material, pouring the mixed mould material into a rectangular mould cavity in step five, wherein the operation interval time is not more than 30 min.
The manufacturing method of the flame-retardant ardealite wallboard for building decoration further comprises the following steps after the step five is completed:
step 1: preparing mixed flame-retardant paint: uniformly mixing and stirring the paint material, triethyl phosphate and bisphenol A-bis (diphenyl phosphate) at normal temperature according to the following parts by weight to prepare a mixed flame-retardant paint;
paint vehicle: 30-60 parts;
triethyl phosphate: 15-25 parts;
bisphenol a-bis (diphenyl phosphate): 20-40 parts of a solvent;
step 2: putting the obtained flame-retardant phosphogypsum wallboard for the decoration of the rectangular building into the mixed flame-retardant paint in the step 1, and soaking for 7-10 hours;
and step 3: and taking out the soaked flame-retardant phosphogypsum wallboard for the decoration of the rectangular building, and placing the wallboard in a ventilated and cool place for airing.
And 3, airing the flame-retardant ardealite wallboard for rectangular building decoration for not less than 4 hours.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, resources such as straw, moso bamboo waste, phosphogypsum and the like are used, the utilization rate of raw materials is improved, the harm to the environment in the production process is reduced, in the process of preparing the flame retardant, the raw materials are uniformly mixed and stirred at high temperature, so that air mixed in the raw materials is fully escaped, the prepared flame retardant has strong activity, a foundation is laid for uniformly distributing the flame retardant in the formed flame-retardant phosphogypsum wallboard for building decoration, on the other hand, the flame retardant is uniformly distributed in each area in the mixed mould material by fully stirring in the process of preparing the mixed mould material, so that the manufacturing quality of the formed flame-retardant phosphogypsum wallboard for building decoration is improved, the flame-retardant performance of each area in the flame-retardant phosphogypsum wallboard for building decoration is highly consistent, and in addition, after the flame-retardant phosphogypsum wallboard for building decoration is prepared and formed, and the flame retardant property of the surface of the flame retardant phosphogypsum wallboard for building decoration is enhanced by soaking the flame retardant paint, and the fire safety hidden danger is thoroughly eliminated.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
The invention provides a method for manufacturing a flame-retardant ardealite wallboard for building decoration, which comprises the following steps of as shown in figure 1,
example 1:
the manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration comprises the following steps:
the method comprises the following steps: preparing phosphogypsum powder: inputting the water-containing phosphogypsum into a pneumatic drier for dehydration and drying to obtain phosphogypsum powder, wherein the drying time is 1-4 hours, the drying temperature is controlled at 150-180 ℃, and the water content of the phosphogypsum powder is less than or equal to 3%;
step two: preparing mixed raw materials: respectively crushing the wood waste straw, the moso bamboo waste and the argil powder by using a crusher to ensure that the particle size of the crushed wood waste straw is less than 1 cm, the particle size of the crushed moso bamboo waste is less than 2 cm and the particle size of the crushed argil powder is less than 1 cm, and then mixing the crushed wood waste straw, the crushed moso bamboo waste, the crushed argil powder and the phosphogypsum powder in the second step according to a ratio of 1:2: 3: 4, uniformly mixing to obtain a mixed raw material;
step three: preparing a mixed flame retardant: uniformly mixing and stirring latex powder, magnesium hydroxide, polyvinyl alcohol, oxalic acid, phosphoric acid, silicon dioxide, fatty alcohol-polyoxyethylene ether sulfuric acid, hydrophobic powder and water according to the following mass parts at the temperature of 80-120 ℃, and then cooling to normal temperature to prepare a mixed flame retardant; in the step three of preparing the mixed flame retardant, latex powder, magnesium hydroxide, polyvinyl alcohol, oxalic acid, phosphoric acid, silicon dioxide, fatty alcohol-polyoxyethylene ether sulfuric acid, hydrophobic powder and water are uniformly mixed and stirred at the temperature of 80-120 ℃ for no less than 60 min.
Emulsion powder: 10 parts of (A);
magnesium hydroxide: 10 parts of (A);
polyvinyl alcohol: 25 parts of (1);
oxalic acid: 12 parts of (1);
phosphoric acid: 20 parts of (1);
silicon dioxide: 10 parts of (A);
fatty alcohol polyoxyethylene ether sulfuric acid: 5 parts of a mixture;
hydrophobic powder: 5 parts of a mixture;
water: 30 parts of (1);
step four: preparing a mixed mould material: mixing the raw materials mixed in the step two with the flame retardant mixed in the step three according to the proportion of 5: 1, uniformly stirring and mixing at normal temperature to prepare a mixed die material; in the process of preparing the mixed mould material in the fourth step, the mixed raw material and the mixed flame retardant are stirred, the stirring mode is that the mixed raw material and the mixed flame retardant are stirred along the clockwise direction and the anticlockwise direction, the single clockwise stirring or the anticlockwise stirring duration is not less than 10min, and the clockwise stirring and the anticlockwise stirring are performed for 10-15 times. And step four, preparing a mixed mold, pouring the mixed mold into a rectangular mold cavity in step five, wherein the operation interval time is not more than 30 min.
Step five: and (3) pressing and forming: providing press and panel mould, being equipped with the rectangle die cavity in the panel mould, installing the panel mould on the press, pour the mixed mould material of step four into within the rectangle die cavity, according to 5: 1-3: and (3) pressing the mixed mould material to form by a press at a compression ratio of 1, and baking the discharged material after demoulding to obtain the flame-retardant phosphogypsum wallboard for decorating the rectangular building. And fifthly, after demolding, baking the discharged material, wherein the baking duration is not less than 2 h. And fifthly, after demolding, baking the discharged material, wherein the baking temperature is 60-80 ℃. And step five, in the step of pressing the flame-retardant ardealite wallboard for the molded rectangular building decoration, the output rated pressure of the press is 1000 t-1500 t. The specification of the flame-retardant phosphogypsum wallboard for rectangular building decoration in the step five is as follows: length x width x height (50cm to 80cm) x (40cm to 60cm) x (10cm to 20 cm).
In addition, the manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration also comprises the following steps after the fifth step is completed:
step 1: preparing mixed flame-retardant paint: uniformly mixing and stirring the paint material, triethyl phosphate and bisphenol A-bis (diphenyl phosphate) at normal temperature according to the following parts by weight to prepare a mixed flame-retardant paint;
paint vehicle: 30 parts of (1);
triethyl phosphate: 15 parts of (1);
bisphenol a-bis (diphenyl phosphate): 20 parts of (1);
step 2: putting the obtained flame-retardant phosphogypsum wallboard for the decoration of the rectangular building into the mixed flame-retardant paint in the step (1) to be soaked for 7-10 h;
and step 3: and taking out the soaked flame-retardant phosphogypsum wallboard for the decoration of the rectangular building, and placing the wallboard in a ventilated and cool place for airing. And 3, airing the flame-retardant ardealite wallboard for rectangular building decoration for not less than 4 hours.
Example 2:
the manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration comprises the following steps:
the method comprises the following steps: preparing phosphogypsum powder: inputting the water-containing phosphogypsum into a pneumatic drier for dehydration and drying to obtain phosphogypsum powder, wherein the drying time is 1-4 hours, the drying temperature is controlled at 150-180 ℃, and the water content of the phosphogypsum powder is less than or equal to 3%;
step two: preparing mixed raw materials: respectively crushing the wood waste straw, the moso bamboo waste and the argil powder by using a crusher to ensure that the particle size of the crushed wood waste straw is less than 1 cm, the particle size of the crushed moso bamboo waste is less than 2 cm and the particle size of the crushed argil powder is less than 1 cm, and then mixing the crushed wood waste straw, the crushed moso bamboo waste, the crushed argil powder and the phosphogypsum powder in the second step according to a ratio of 1:2: 3: 4, uniformly mixing to obtain a mixed raw material;
step three: preparing a mixed flame retardant: uniformly mixing and stirring latex powder, magnesium hydroxide, polyvinyl alcohol, oxalic acid, phosphoric acid, silicon dioxide, fatty alcohol-polyoxyethylene ether sulfuric acid, hydrophobic powder and water according to the following mass parts at the temperature of 80-120 ℃, and then cooling to normal temperature to prepare a mixed flame retardant; in the step three of preparing the mixed flame retardant, latex powder, magnesium hydroxide, polyvinyl alcohol, oxalic acid, phosphoric acid, silicon dioxide, fatty alcohol-polyoxyethylene ether sulfuric acid, hydrophobic powder and water are uniformly mixed and stirred at the temperature of 80-120 ℃ for no less than 60 min.
Emulsion powder: 12 parts of (1);
magnesium hydroxide: 20 parts of (1);
polyvinyl alcohol: 28 parts of (1);
oxalic acid: 14 parts of (1);
phosphoric acid: 22 parts of (A);
silicon dioxide: 12 parts of (1);
fatty alcohol polyoxyethylene ether sulfuric acid: 8 parts of a mixture;
hydrophobic powder: 7 parts;
water: 40 parts of a mixture;
step four: preparing a mixed mould material: mixing the raw materials mixed in the step two with the flame retardant mixed in the step three according to the proportion of 5: 1, uniformly stirring and mixing at normal temperature to prepare a mixed die material; in the process of preparing the mixed mould material in the fourth step, the mixed raw material and the mixed flame retardant are stirred, the stirring mode is that the mixed raw material and the mixed flame retardant are stirred along the clockwise direction and the anticlockwise direction, the single clockwise stirring or the anticlockwise stirring duration is not less than 10min, and the clockwise stirring and the anticlockwise stirring are performed for 10-15 times. And step four, preparing a mixed mold, pouring the mixed mold into a rectangular mold cavity in step five, wherein the operation interval time is not more than 30 min.
Step five: and (3) pressing and forming: providing press and panel mould, being equipped with the rectangle die cavity in the panel mould, installing the panel mould on the press, pour the mixed mould material of step four into within the rectangle die cavity, according to 5: 1-3: and (3) pressing the mixed mould material to form by a press at a compression ratio of 1, and baking the discharged material after demoulding to obtain the flame-retardant phosphogypsum wallboard for decorating the rectangular building. And fifthly, after demolding, baking the discharged material, wherein the baking duration is not less than 2 h. And fifthly, after demolding, baking the discharged material, wherein the baking temperature is 60-80 ℃. And step five, in the step of pressing the flame-retardant ardealite wallboard for the molded rectangular building decoration, the output rated pressure of the press is 1000 t-1500 t. The specification of the flame-retardant phosphogypsum wallboard for rectangular building decoration in the step five is as follows: length x width x height (50cm to 80cm) x (40cm to 60cm) x (10cm to 20 cm).
In addition, the manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration also comprises the following steps after the fifth step is completed:
step 1: preparing mixed flame-retardant paint: uniformly mixing and stirring the paint material, triethyl phosphate and bisphenol A-bis (diphenyl phosphate) at normal temperature according to the following parts by weight to prepare a mixed flame-retardant paint;
paint vehicle: 35 parts of (B);
triethyl phosphate: 20 parts of (1);
bisphenol a-bis (diphenyl phosphate): 30 parts of (1);
step 2: putting the obtained flame-retardant phosphogypsum wallboard for the decoration of the rectangular building into the mixed flame-retardant paint in the step (1) to be soaked for 7-10 h;
and step 3: and taking out the soaked flame-retardant phosphogypsum wallboard for the decoration of the rectangular building, and placing the wallboard in a ventilated and cool place for airing. And 3, airing the flame-retardant ardealite wallboard for rectangular building decoration for not less than 4 hours.
Example 3:
the manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration comprises the following steps:
the method comprises the following steps: preparing phosphogypsum powder: inputting the water-containing phosphogypsum into a pneumatic drier for dehydration and drying to obtain phosphogypsum powder, wherein the drying time is 1-4 hours, the drying temperature is controlled at 150-180 ℃, and the water content of the phosphogypsum powder is less than or equal to 3%;
step two: preparing mixed raw materials: respectively crushing the wood waste straw, the moso bamboo waste and the argil powder by using a crusher to ensure that the particle size of the crushed wood waste straw is less than 1 cm, the particle size of the crushed moso bamboo waste is less than 2 cm and the particle size of the crushed argil powder is less than 1 cm, and then mixing the crushed wood waste straw, the crushed moso bamboo waste, the crushed argil powder and the phosphogypsum powder in the second step according to a ratio of 1:2: 3: 4, uniformly mixing to obtain a mixed raw material;
step three: preparing a mixed flame retardant: uniformly mixing and stirring latex powder, magnesium hydroxide, polyvinyl alcohol, oxalic acid, phosphoric acid, silicon dioxide, fatty alcohol-polyoxyethylene ether sulfuric acid, hydrophobic powder and water according to the following mass parts at the temperature of 80-120 ℃, and then cooling to normal temperature to prepare a mixed flame retardant; in the step three of preparing the mixed flame retardant, latex powder, magnesium hydroxide, polyvinyl alcohol, oxalic acid, phosphoric acid, silicon dioxide, fatty alcohol-polyoxyethylene ether sulfuric acid, hydrophobic powder and water are uniformly mixed and stirred at the temperature of 80-120 ℃ for no less than 60 min.
Emulsion powder: 15 parts of (1);
magnesium hydroxide: 25 parts of (1);
polyvinyl alcohol: 30 parts of (1);
oxalic acid: 15 parts of (1);
phosphoric acid: 25 parts of (1);
silicon dioxide: 15 parts of (1);
fatty alcohol polyoxyethylene ether sulfuric acid: 10 parts of (A);
hydrophobic powder: 10 parts of (A);
water: 50 parts of a mixture;
step four: preparing a mixed mould material: mixing the raw materials mixed in the step two with the flame retardant mixed in the step three according to the proportion of 5: 1, uniformly stirring and mixing at normal temperature to prepare a mixed die material; in the process of preparing the mixed mould material in the fourth step, the mixed raw material and the mixed flame retardant are stirred, the stirring mode is that the mixed raw material and the mixed flame retardant are stirred along the clockwise direction and the anticlockwise direction, the single clockwise stirring or the anticlockwise stirring duration is not less than 10min, and the clockwise stirring and the anticlockwise stirring are performed for 10-15 times. And step four, preparing a mixed mold, pouring the mixed mold into a rectangular mold cavity in step five, wherein the operation interval time is not more than 30 min.
Step five: and (3) pressing and forming: providing press and panel mould, being equipped with the rectangle die cavity in the panel mould, installing the panel mould on the press, pour the mixed mould material of step four into within the rectangle die cavity, according to 5: 1-3: and (3) pressing the mixed mould material to form by a press at a compression ratio of 1, and baking the discharged material after demoulding to obtain the flame-retardant phosphogypsum wallboard for decorating the rectangular building. And fifthly, after demolding, baking the discharged material, wherein the baking duration is not less than 2 h. And fifthly, after demolding, baking the discharged material, wherein the baking temperature is 60-80 ℃. And step five, in the step of pressing the flame-retardant ardealite wallboard for the molded rectangular building decoration, the output rated pressure of the press is 1000 t-1500 t. The specification of the flame-retardant phosphogypsum wallboard for rectangular building decoration in the step five is as follows: length x width x height (50cm to 80cm) x (40cm to 60cm) x (10cm to 20 cm).
In addition, the manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration also comprises the following steps after the fifth step is completed:
step 1: preparing mixed flame-retardant paint: uniformly mixing and stirring the paint material, triethyl phosphate and bisphenol A-bis (diphenyl phosphate) at normal temperature according to the following parts by weight to prepare a mixed flame-retardant paint;
paint vehicle: 60 parts;
triethyl phosphate: 25 parts of (1);
bisphenol a-bis (diphenyl phosphate): 40 parts of a mixture;
step 2: putting the obtained flame-retardant phosphogypsum wallboard for the decoration of the rectangular building into the mixed flame-retardant paint in the step (1) to be soaked for 7-10 h;
and step 3: and taking out the soaked flame-retardant phosphogypsum wallboard for the decoration of the rectangular building, and placing the wallboard in a ventilated and cool place for airing. And 3, airing the flame-retardant ardealite wallboard for rectangular building decoration for not less than 4 hours.
By adopting the technical scheme of the invention, resources such as straw, moso bamboo waste, phosphogypsum and the like are used, the utilization rate of raw materials is improved, the harm to the environment in the production process is reduced, in the process of preparing the flame retardant, the raw materials are uniformly mixed and stirred at high temperature, so that air mixed in the raw materials is fully escaped, the prepared flame retardant has strong activity, a foundation is laid for uniformly distributing the flame retardant in the formed flame-retardant phosphogypsum wallboard for building decoration, on the other hand, the flame retardant is uniformly distributed in each area in the mixed mould material by fully stirring in the process of preparing the mixed mould material, so that the manufacturing quality of the formed flame-retardant phosphogypsum wallboard for building decoration is improved, the flame-retardant performance of each area in the flame-retardant phosphogypsum wallboard for building decoration is highly consistent, and in addition, after the flame-retardant phosphogypsum wallboard for building decoration is prepared and formed, and the flame retardant property of the surface of the flame retardant phosphogypsum wallboard for building decoration is enhanced by soaking the flame retardant paint, and the fire safety hidden danger is thoroughly eliminated.
Claims (10)
1. A manufacturing method of a flame-retardant phosphogypsum wallboard for building decoration is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: preparing phosphogypsum powder: inputting the water-containing phosphogypsum into a pneumatic drier for dehydration and drying to obtain phosphogypsum powder, wherein the drying time is 1-4 hours, the drying temperature is controlled at 150-180 ℃, and the water content of the phosphogypsum powder is less than or equal to 3%;
step two: preparing mixed raw materials: respectively crushing the wood waste straw, the moso bamboo waste and the argil powder by using a crusher to ensure that the particle size of the crushed wood waste straw is less than 1 cm, the particle size of the crushed moso bamboo waste is less than 2 cm and the particle size of the crushed argil powder is less than 1 cm, and then crushing the crushed wood waste straw, the crushed moso bamboo waste, the crushed argil powder and the phosphogypsum powder in the step two according to a ratio of 1:2: 3: 4, uniformly mixing to obtain a mixed raw material;
step three: preparing a mixed flame retardant: uniformly mixing and stirring latex powder, magnesium hydroxide, polyvinyl alcohol, oxalic acid, phosphoric acid, silicon dioxide, fatty alcohol-polyoxyethylene ether sulfuric acid, hydrophobic powder and water according to the following mass parts at the temperature of 80-120 ℃, and then cooling to normal temperature to prepare a mixed flame retardant;
emulsion powder: 10-15 parts;
magnesium hydroxide: 10-25 parts;
polyvinyl alcohol: 25-30 parts of a solvent;
oxalic acid: 12-15 parts;
phosphoric acid: 20-25 parts;
silicon dioxide: 10-15 parts;
fatty alcohol polyoxyethylene ether sulfuric acid: 5-10 parts;
hydrophobic powder: 5-10 parts;
water: 30-50 parts of a solvent;
step four: preparing a mixed mould material: mixing the mixed raw materials in the step two with the mixed flame retardant in the step three according to the ratio of 5: 1, uniformly stirring and mixing at normal temperature to prepare a mixed die material;
step five: and (3) pressing and forming: providing a press machine and a plate die, wherein a rectangular die cavity is arranged in the plate die, the plate die is arranged on the press machine, and the step four is carried out, namely the mixed die material is poured into the rectangular die cavity according to the proportion of 5: 1-3: and (3) pressing the mixed mould material to form by a press at a compression ratio of 1, and baking the discharged material after demoulding to obtain the flame-retardant phosphogypsum wallboard for decorating the rectangular building.
2. The manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration according to claim 1 is characterized in that: in the step of preparing the mixed flame retardant in the third step, the latex powder, the magnesium hydroxide, the polyvinyl alcohol, the oxalic acid, the phosphoric acid, the silicon dioxide, the fatty alcohol-polyoxyethylene ether sulfuric acid, the hydrophobic powder and the water are uniformly mixed and stirred at the temperature of 80-120 ℃ for not less than 60 min.
3. The manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration according to claim 1 is characterized in that: in the fourth step, in the process of preparing the mixed mould material, the mixed raw material and the mixed flame retardant are stirred in the mode of stirring along the direction in which the clockwise direction and the anticlockwise direction are alternated, the duration time of single clockwise stirring or anticlockwise stirring is not less than 10min, and the number of alternation of clockwise stirring and anticlockwise stirring is 10-15.
4. The manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration according to claim 1 is characterized in that: and fifthly, after demolding, baking the discharged material, wherein the baking duration is not less than 2 h.
5. The manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration according to claim 1 is characterized in that: and step five, after demolding, baking the discharged material, wherein the baking temperature is 60-80 ℃.
6. The manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration according to claim 1 is characterized in that: in the step of press forming the flame-retardant ardealite wallboard for rectangular building decoration in the step five, the output rated pressure of the press is 1000 t-1500 t.
7. The manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration according to claim 1 is characterized in that: the specification of the flame-retardant ardealite wallboard for rectangular building decoration in the step five is as follows: length x width x height (50cm to 80cm) x (40cm to 60cm) x (10cm to 20 cm).
8. The manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration according to claim 1 is characterized in that: and step four, preparing a mixed mould material, pouring the mixed mould material into a rectangular mould cavity in step five, wherein the operation interval time is not more than 30 min.
9. The manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration according to claim 1 is characterized in that: the manufacturing method of the flame-retardant ardealite wallboard for building decoration further comprises the following steps after the step five is completed:
step 1: preparing mixed flame-retardant paint: uniformly mixing and stirring the paint material, triethyl phosphate and bisphenol A-bis (diphenyl phosphate) at normal temperature according to the following parts by weight to prepare a mixed flame-retardant paint;
paint vehicle: 30-60 parts;
triethyl phosphate: 15-25 parts;
bisphenol a-bis (diphenyl phosphate): 20-40 parts of a solvent;
step 2: putting the obtained flame-retardant phosphogypsum wallboard for the decoration of the rectangular building into the mixed flame-retardant paint in the step 1, and soaking for 7-10 hours;
and step 3: and taking out the soaked flame-retardant phosphogypsum wallboard for the decoration of the rectangular building, and placing the wallboard in a ventilated and cool place for airing.
10. The manufacturing method of the flame-retardant phosphogypsum wallboard for building decoration according to claim 8 is characterized in that: and 3, airing the flame-retardant ardealite wallboard for rectangular building decoration for not less than 4 hours.
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