CN115974486A - Steam-curing-free rock-light assembled building decoration wallboard and preparation method thereof - Google Patents
Steam-curing-free rock-light assembled building decoration wallboard and preparation method thereof Download PDFInfo
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- 238000001723 curing Methods 0.000 claims description 57
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 37
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- 238000005520 cutting process Methods 0.000 claims description 18
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- 240000002853 Nelumbo nucifera Species 0.000 claims description 13
- 239000003245 coal Substances 0.000 claims description 13
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 12
- 239000011398 Portland cement Substances 0.000 claims description 12
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 11
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- 230000003068 static effect Effects 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
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- 238000005303 weighing Methods 0.000 claims description 3
- 229920001038 ethylene copolymer Polymers 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 13
- 239000002910 solid waste Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000004568 cement Substances 0.000 abstract description 5
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000004808 allyl alcohols Chemical group 0.000 description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
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- 238000010521 absorption reaction Methods 0.000 description 1
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- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical class [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a steam-curing-free rock light assembly type architectural decorative wallboard, which is used for preparing the steam-curing-free rock light assembly type architectural decorative wallboard after an industrial solid waste material is pretreated in the early stage, so that the production cost of the material is reduced, the hydration heat of cement is reduced, and the later strength of a concrete product is improved.
Description
Technical Field
The invention belongs to the technical field of building material preparation, and particularly relates to a steam-curing-free rock-light assembled building decoration wallboard and a preparation method of the steam-curing-free rock-light assembled building decoration wallboard.
Background
The existing process for preparing green building materials from solid wastes can be divided into two categories, namely high-temperature sintering and high-temperature autoclaved curing. Although the production processes for producing the building materials are greatly developed and widely applied in the building industry, the problems of complex production process, large investment, high energy consumption, environmental pollution and the like can be caused by high-temperature sintering and high-temperature autoclaved curing, for example, the plate prepared by the preparation method for preparing the composite calcium silicate plate by using the electrolytic manganese slag, which is disclosed as CN112456939A, belongs to a calcium silicate series plate and can be used for decorative materials, but the product can only be suitable for dry areas in the north and cannot be used for areas in the south with much rain and humidity and the like due to the high water absorption characteristic of the material, the plate can crack and deform in the areas with high humidity environment for a long time, the engineering quality is influenced, the physical strength of the plate is low, and the plate is easy to crack in construction; secondly, the production process of lime raw materials with high energy consumption and high pollution is adopted, so that the investment cost is high, the labor intensity is high, the pollution to the atmosphere is caused, and the working condition environment is not friendly. As described in patent publication No. CN211137605U entitled fiber cement board based on industrial solid waste and its preparation method, the production process of the fiber cement board adopts a copying method, the slurry is thin and has high leakage rate, which affects the productivity, the water consumption is large, the backwater and the wastewater cannot be consumed instantly, the slurry with high leakage is deposited to the bottom, which increases the load of the circulating water tank, once the tank is blocked, all the waste liquid must be discharged, the tank is cleaned manually, which affects the production safety and cannot be produced continuously. And secondly, part of solid waste materials are directly used without innocent treatment, so that the later instability of the product is increased, and particularly, the sludge is directly used without being treated and serious hydrogen sulfide and ammonia gas are discharged.
Aiming at the problems, the invention develops the steam-curing-free rock-light assembled building decoration wallboard, can recycle industrial solid wastes to be applied to the building material industry, improves the solid waste mixing amount to the maximum extent on the premise of ensuring the high strength of the material, reduces the production cost, solves the harm of the solid wastes to the land and the environment, and is the largest hotspot of future development and the long-term good solid waste resource utilization industry.
Disclosure of Invention
The invention aims to provide an autoclaved rock-curing-free assembled building decorative wallboard which has the characteristics of high breaking strength, fire resistance, water resistance, corrosion resistance, moisture resistance, high weather resistance and the like compared with a traditional board manufactured by an autoclaved curing process.
The second purpose of the invention is to provide the preparation method of the steam-curing-free rock light assembled building decorative wallboard, the raw materials are industrial solid wastes through the unique sealing and fixing technology of bond energy recombination, salt coating and alkali control, and the problem that the normal temperature curing method cannot be used because the traditional natural resource-dependent board needs to be put into a still kettle for steam curing is thoroughly solved.
The invention adopts a first technical scheme that a steam-curing-free rock-light assembled building decorative wallboard comprises the following components in percentage by mass: 8 to 25 percent of fly ash, 10 to 25 percent of aluminum-containing slag, 12 to 30 percent of silicon-containing slag, 40 to 62 percent of Portland cement, 1 to 5 percent of inorganic fiber, 2 to 8 percent of lotus fiber, 1 to 3 percent of excitant, 1 to 5 percent of curing agent, 0.5 to 1.5 percent of coupling agent and 1.2 to 2.2 percent of drag reducer, wherein the sum of the mass percentages of the components is 100 percent.
The present invention is also characterized in that,
the aluminum content in the aluminum-containing slag is 10 to 30 percent; the silicon content in the silicon-containing slag is 40-70%;
the aluminum-containing slag is one or more of coal gasification slag, blast furnace slag, aluminum ash slag, rare earth waste slag and kaolin.
The silicon-containing slag is one or more of graphite tailings, coal gangue, electrolytic manganese slag, quartz sand tailings, stone powder and iron tailings.
The curing agent is a composite material and comprises acrylic acid modified resin, vinyl acetate and ethylene copolymerized rubber powder and a separant, wherein the acrylic acid modified resin, the vinyl acetate, the ethylene copolymerized rubber powder and the separant are in the following mass ratio: 0.01-0.05.
The drag reducer is a polycarboxylic acid high-performance drag reducer, and specifically is allyl alcohol polyoxyethylene ether.
The coupling agent consists of vinyl chloropropyl and epoxy, and the mass ratio of the vinyl chloropropyl to the epoxy is 0.5.
The second technical scheme adopted by the invention is that the preparation method of the steam-curing-free rock-light assembled building decorative wallboard comprises the following specific steps:
step 1, weighing the following components in percentage by mass: 8-25% of fly ash, 10-25% of aluminum-containing slag, 12-30% of silicon-containing slag, 40-62% of portland cement, 1-5% of inorganic fiber, 2-8% of lotus fiber, 1-3% of excitant, 1-5% of curing agent, 0.5-1.5% of coupling agent and 1.2-2.2% of drag reducer, wherein the sum of the mass percentages of the components is 100%;
step 2, putting all the raw materials weighed in the step 1 and water which is 3-6 times of the total mass of the raw materials into a continuous high-speed pulping machine, and mixing and stirring to obtain board-making slurry with the concentration of 15-20%;
step 3, feeding the plate-making slurry into full-automatic pulp flowing equipment to prepare a blank with the water content of 30-35%;
step 4, cutting the blank into standard plates in a fixed length through a full-automatic water cutting system;
5, stacking the standard plates by using a full-automatic double-suction-disc vertical lifting stacker crane;
step 6, conveying the stacked standard plates into a 6500-8000T ultrahigh pressure oil press through an automatic transverse moving vehicle for encryption and dehydration for 30-40 min;
step 7, placing the dehydrated standard plate in a constant-temperature curing room for static curing for 2-4 hours;
step 8, moving the standard plate after the static maintenance into a six-axis multi-joint robot arm area for demolding;
step 9, when the standard plate subjected to demolding treatment is continuously placed in a constant-temperature curing room and cured for 15-21 d, performing factory pre-drying on the standard plate for 60-120 min by using an LW (light weight water) integrated dryer;
and step 10, placing the standard plate subjected to factory pre-drying at normal temperature, continuously maintaining the standard plate to 28d, and then packaging and laminating the standard plate through a full-automatic packaging and laminating machine to obtain the finished building wallboard.
The aluminum content in the aluminum-containing slag is 10 to 30 percent; the silicon content in the silicon-containing slag is 40 to 70 percent.
The gauge in step 4 is 1220mm × 2440mm or 1220mm × 3000mm.
The static curing conditions in the step 7 and the curing conditions in the step 9 are both as follows: the temperature is 20-25 ℃, and the humidity is 95-98 ℃.
The factory pre-drying temperature in the step 9 is 50-100 ℃.
The invention has the beneficial effects that: compared with the existing autoclaved curing and paper making process technology, the building wallboard and the preparation method thereof have the following advantages:
1) The steam-curing-free rock light assembled architectural decoration wallboard takes industrial solid waste as a raw material, and an inorganic-organic large gelling system is formed by reasonable component proportion of chemical elements, bond energy recombination and a necessary external activator technology, so that the production cost of the material is reduced, the hydration heat of cement is reduced, and the later strength of a concrete product is improved; the unique lotus root silk fiber is added, so that the building wallboard has high breaking strength, and has the characteristics of fire prevention, water resistance, corrosion prevention, convenience and quickness in construction, strong weather resistance and the like.
2) According to the preparation method of the steam-curing-free rock-light assembled building decorative wallboard, the concrete product normal-temperature curing method is adopted to cure the board, so that the problems of complex production process, large investment, high energy consumption, environmental pollution caused by a boiler and the like caused by high-temperature steam curing of the board in the prior art are solved, the unique LW integrated combined dryer of the process is used for pre-drying a standard board before leaving a factory, the drying efficiency is improved, and the expectation is reserved for improving the physical strength of the material.
Drawings
FIG. 1 is a schematic view of a process for preparing a steam-curing-free rock light assembled architectural decoration wallboard.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a steam-curing-free rock-light assembled building decorative wallboard, which consists of the following components in percentage by mass: 8 to 25 percent of fly ash, 10 to 25 percent of aluminum-containing slag, 12 to 30 percent of silicon-containing slag, 40 to 62 percent of Portland cement, 1 to 5 percent of inorganic fiber, 2 to 8 percent of lotus fiber, 1 to 3 percent of excitant, 1 to 5 percent of curing agent, 0.5 to 1.5 percent of coupling agent and 1.2 to 2.2 percent of drag reducer, wherein the sum of the mass percentages of the components is 100 percent.
The aluminum-containing slag in the components is one or more of coal gasification slag, blast furnace slag, aluminum ash slag, rare earth waste slag and kaolin, and the aluminum content in the aluminum-containing slag is 10-30%; the silicon-containing slag is one or more of graphite tailings, coal gangue, electrolytic manganese slag, quartz sand tailings, stone powder and iron tailings, and the silicon content in the silicon-containing slag is 40-70%.
Among the components, the electrolytic manganese slag and the gasified slag need to be pretreated and then used, and the specific pretreatment process is as follows: the specific process of electrolytic manganese slag pretreatment is as follows: adding saturated calcium oxide aqueous solution into a deamination and deacidification device to neutralize sulfuric acid electrolyte in the electrolytic manganese slag, standing for 48 hours to obtain a semi-finished product of the electrolytic manganese slag, and then processing the semi-finished product of the electrolytic manganese slag into powder with the granularity of 90-140 meshes by a homogenizing device for use; the specific process of the coal gasification slag pretreatment is as follows: reducing the carbon residue in the slag to be within 2 percent through a specific gravity method to obtain a semi-finished product of the gasified slag, and then processing the semi-finished product of the gasified slag into powder with the granularity of 90-140 meshes through a grinding device for use.
The blast furnace slag, the aluminum ash slag, the rare earth waste slag, the kaolin, the graphite tailings, the coal gangue, the quartz sand tailings, the stone powder and the iron tailings can be used only by being processed into 90-140 meshes of powder by adopting a physical method.
The curing agent is a composite material and comprises acrylic modified resin, vinyl acetate and ethylene copolymerized rubber powder and a separant, wherein the acrylic modified resin, the vinyl acetate, the ethylene copolymerized rubber powder and the separant are in the mass ratio: 0.01-0.05. The drag reducer is a polycarboxylic acid high-performance drag reducer, and specifically is allyl alcohol polyoxyethylene ether. The coupling agent consists of vinyl chloropropyl and epoxy, and the mass ratio of the vinyl chloropropyl to the epoxy is 0.5.
The preparation method of the steam-curing-free rock light assembled building decoration wallboard comprises the following specific steps, wherein the flow is shown in figure 1:
step 1, weighing the following components in percentage by mass: 8-25% of fly ash, 10-25% of aluminum-containing slag, 12-30% of silicon-containing slag, 40-62% of portland cement, 1-5% of inorganic fiber, 2-8% of lotus fiber, 1-3% of excitant, 1-5% of curing agent, 0.5-1.5% of coupling agent and 1.2-2.2% of drag reducer, wherein the sum of the mass percentages of the components is 100%;
the aluminum-containing slag in the components is one or more of coal gasification slag, blast furnace slag, aluminum ash slag, rare earth waste slag and kaolin, and the aluminum content in the aluminum-containing slag is 10-30%. The silicon-containing slag is one or more of graphite tailings, coal gangue, electrolytic manganese slag, quartz sand tailings, stone powder and iron tailings, and the silicon content in the silicon-containing slag is 40-70%;
step 2, putting all the raw materials weighed in the step 1 and water which is 3-6 times of the total mass of the raw materials into a continuous high-speed pulping machine, and mixing and stirring to obtain a plate-making slurry with the concentration of 15% -20%;
step 3, feeding the plate-making slurry into full-automatic pulp flowing equipment to prepare a blank with the water content of 30-35%;
step 4, cutting the blank into standard plates in a fixed length mode through a full-automatic water cutting system, wherein the size of each standard plate is 1220mm-2440mm or 1220mm-3000mm;
step 5, stacking the standard plates by using a full-automatic double-sucker vertical lifting stacker crane;
step 6, conveying the stacked standard plates into a 6500-8000T ultrahigh-pressure oil press through an automatic transverse moving vehicle for encryption and dehydration for 30-40 min;
step 7, placing the dehydrated standard plate in a constant-temperature curing room with the temperature of 20-25 ℃ and the humidity of 95-98 ℃ for standing for 2-4 h;
step 8, moving the standard plate after maintenance into a six-axis multi-joint robot arm area for demolding;
step 9, continuously placing the standard plate subjected to demolding treatment in a constant-temperature curing chamber with the temperature of 20-25 ℃ and the humidity of 95-98 ℃ for curing for 15-21 d, and pre-drying the standard plate for 60-120 min by using an LW (light weight average) integrated dryer, wherein the pre-drying temperature for delivery is 50-100 ℃;
and step 10, placing the standard plate subjected to factory pre-drying at normal temperature, continuously maintaining the standard plate to 28d, and then packaging and laminating the standard plate through a full-automatic packaging and laminating machine to obtain the finished building wallboard.
The LW integrated dryer process adopted in the preparation method is used for pre-drying standard plates before leaving factory, the process firstly enters the plates to be dried into a vertical dryer, a large amount of water is removed from the plates, then the plates are conveyed to a tunnel horizontal dryer through a traversing trolley for secondary drying, and a small part of water is removed.
The preparation process according to the invention is illustrated by the following specific examples:
example 1
The preparation method of the steam-curing-free rock light assembled architectural decoration wallboard comprises the following specific steps:
the composition comprises the following components in percentage by mass: 8% of fly ash, 25% of gasified slag, 12% of graphite tailings, 40% of portland cement, 1% of inorganic fiber, 4% of lotus root fiber, 3% of an exciting agent, 5% of a curing agent, 0.5% of a coupling agent and 1.5% of a drag reducer, wherein the sum of the mass percentages of the components is 100%;
wherein, the aluminum content in the coal gasification slag in the components is 10 percent, and the silicon content in the graphite tailings is 40 percent;
step 2, putting all the raw materials weighed in the step 1 and water with the mass 3 times of the total mass of the raw materials into a continuous high-speed pulping machine, and mixing and stirring to obtain a board-making slurry with the concentration of 20%;
step 3, feeding the plate-making slurry into full-automatic pulp flowing equipment to prepare a blank with the water content of 30%;
step 4, cutting the blank into standard plates with the size of 1220mm-2440mm by using a full-automatic water cutting system;
step 5, stacking the standard plates by using a full-automatic double-sucker vertical lifting stacker crane;
step 6, conveying the stacked standard plates into a 6500T ultrahigh-pressure oil press through an automatic transverse moving vehicle for encryption and dehydration for 40min;
step 7, placing the dehydrated standard plate in a constant-temperature curing room with the temperature of 20 ℃ and the humidity of 95 ℃ for standing for 4 hours;
step 8, moving the standard plate after the static curing into a six-axis multi-joint robot arm area for demolding;
step 9, continuously placing the standard plate subjected to demolding treatment in a constant-temperature curing chamber with the temperature of 20 ℃ and the humidity of 95 ℃ for curing for 15d, and pre-drying the standard plate for 90min through an LW (light weight average) integrated dryer, wherein the pre-drying temperature for delivery is 80 ℃;
and step 10, placing the standard plate subjected to factory pre-drying at normal temperature, continuously maintaining the standard plate to 28d, and then packaging and laminating the standard plate through a full-automatic packaging and laminating machine to obtain the finished building wallboard.
Example 2
The steam-curing-free rock-light assembled building decoration wallboard comprises the following specific steps of:
the composition comprises the following components in percentage by mass: 9% of fly ash, 10% of blast furnace slag, 12% of coal gangue, 62% of portland cement, 1% of inorganic fiber, 2% of lotus root silk fiber, 1% of excitant, 1% of curing agent, 0.8% of coupling agent and 1.2% of drag reducer, wherein the sum of the mass percentages of the above components is 100%;
wherein, the aluminum content in the blast furnace slag is 12 percent, and the silicon content in the coal gangue is 45 percent;
step 2, putting all the raw materials weighed in the step 1 and water which is 5 times of the total mass of the raw materials into a continuous high-speed pulping machine, and mixing and stirring to obtain board-making slurry with the concentration of 15%;
step 3, feeding the plate-making slurry into full-automatic pulp flowing equipment to prepare a blank with the water content of 35%;
step 4, cutting the blank into standard plates with the size of 1220mm-3000mm by a full-automatic water cutting system;
step 5, stacking the standard plates by using a full-automatic double-sucker vertical lifting stacker crane;
step 6, sending the stacked standard plates into a 7000T ultrahigh pressure oil press through an automatic transverse moving vehicle for encryption and dehydration for 35min;
step 7, placing the dehydrated standard plate in a constant-temperature curing room with the temperature of 22 ℃ and the humidity of 95 ℃ for standing for 3 hours;
step 8, moving the standard plate after maintenance into a six-axis multi-joint robot arm area for demolding;
step 9, continuously placing the standard plate subjected to demolding treatment in a constant-temperature curing chamber with the temperature of 22 ℃ and the humidity of 95 ℃ for curing for 20 days, and pre-drying the standard plate for 60min in an outgoing manner by using an LW (light weight) integrated dryer, wherein the pre-drying temperature for outgoing is 100 ℃;
and step 10, placing the pre-dried standard plates leaving the factory at normal temperature, continuously maintaining the standard plates to 28d, and then packaging and laminating the standard plates through a full-automatic packaging laminating machine to obtain the finished building wallboard.
Example 3
The steam-curing-free rock-light assembled building decoration wallboard comprises the following specific steps of:
the preparation method comprises the following steps of 1, by mass: 25% of fly ash, 10% of aluminum ash slag, 15% of quartz sand tail mud, 40% of portland cement, 2% of inorganic fiber, 2% of lotus root fiber, 2% of excitant, 2% of curing agent, 0.8% of coupling agent and 1.2% of drag reducer, wherein the sum of the mass percentages of the components is 100%;
the aluminum content in the aluminum ash slag of the components is 20 percent, and the silicon content in the quartz sand tail mud is 50 percent;
step 2, putting all the raw materials weighed in the step 1 and water with the mass 6 times of the total mass of the raw materials into a continuous high-speed pulping machine, and mixing and stirring to obtain a plate-making slurry with the concentration of 18%;
step 3, feeding the board-making slurry into full-automatic pulp flowing equipment to prepare a blank with the water content of 32%;
step 4, cutting the blank into standard plates with the size of 1220mm-2440mm by using a full-automatic water cutting system;
step 5, stacking the standard plates by using a full-automatic double-sucker vertical lifting stacker crane;
step 6, feeding the stacked standard plates into a 8000T ultrahigh-pressure oil press through an automatic transverse moving vehicle to perform encryption and dehydration for 30min;
step 7, placing the dehydrated standard plate in a constant-temperature curing room with the temperature of 25 ℃ and the humidity of 96 ℃ for standing for 2 hours;
step 8, moving the standard plate after the static curing into a six-axis multi-joint robot arm area for demolding;
step 9, continuously placing the standard plate subjected to demolding treatment in a constant-temperature curing room with the temperature of 25 ℃ and the humidity of 96 ℃ for curing for 21d, and pre-drying the standard plate for 120min through an LW (light weight) integrated dryer at the pre-drying temperature of 50 ℃;
and step 10, placing the pre-dried standard plates leaving the factory at normal temperature, continuously maintaining the standard plates to 28d, and then packaging and laminating the standard plates through a full-automatic packaging laminating machine to obtain the finished building wallboard.
Example 4
The steam-curing-free rock-light assembled building decoration wallboard comprises the following specific steps of:
the composition comprises the following components in percentage by mass: 8% of fly ash, 25% of rare earth waste residue and kaolin, 12% of electrolytic manganese residue and quartz sand tail mud, 43% of portland cement, 5% of inorganic fiber, 2% of lotus fiber, 1% of an excitant, 1% of a curing agent, 0.8% of a coupling agent and 2.2% of a drag reducer, wherein the sum of the mass percentages of the components is 100%;
in the components, the aluminum content of the mixture of the rare earth waste residue and the kaolin is 25 percent, and the silicon content of the mixture of the electrolytic manganese residue and the quartz sand tail mud is 60 percent;
step 2, putting all the raw materials weighed in the step 1 and water with the mass 6 times of the total mass of the raw materials into a continuous high-speed pulping machine, and mixing and stirring to obtain board-making slurry with the concentration of 16%;
step 3, feeding the board-making slurry into full-automatic pulp flowing equipment to prepare a blank with the water content of 30%;
step 4, cutting the blank into a standard plate with the size of 1220mm-3000mm by a full-automatic water cutting system;
5, stacking the standard plates by using a full-automatic double-suction-disc vertical lifting stacker crane;
step 6, conveying the stacked standard plates into a 6800T ultrahigh-pressure oil press through an automatic transverse moving vehicle to carry out encryption and dehydration for 38min;
step 7, placing the dehydrated standard plate in a constant-temperature curing room with the temperature of 20 ℃ and the humidity of 98 ℃ for static curing for 2.5 hours;
step 8, moving the standard plate after maintenance into a six-axis multi-joint robot arm area for demolding;
step 9, continuously placing the standard plate subjected to demolding treatment in a constant-temperature curing room with the temperature of 20 ℃ and the humidity of 98 ℃ for curing for 21d, and pre-drying the standard plate for 100min through an LW (light weight) integrated dryer at the pre-drying temperature of 90 ℃;
and step 10, placing the pre-dried standard plates leaving the factory at normal temperature, continuously maintaining the standard plates to 28d, and then packaging and laminating the standard plates through a full-automatic packaging laminating machine to obtain the finished building wallboard.
Example 5
The steam-curing-free rock-light assembled building decoration wallboard comprises the following specific steps of:
the composition comprises the following components in percentage by mass: 8% of fly ash, 12% of aluminum ash and kaolin, 30% of quartz sand tail mud and iron tailings, 40% of portland cement, 1% of inorganic fiber, 4% of lotus root fiber, 1% of excitant, 1% of curing agent, 1.5% of coupling agent and 1.5% of drag reducer, wherein the sum of the mass percentages of the components is 100%;
the aluminum content in the aluminum ash and the kaolin is 30 percent; the silicon content in the quartz sand tailings and the iron tailings is 70 percent;
step 2, putting all the raw materials weighed in the step 1 and water which is 5 times of the total mass of the raw materials into a continuous high-speed pulping machine, and mixing and stirring to obtain board-making slurry with the concentration of 18%;
step 3, feeding the plate-making slurry into full-automatic pulp flowing equipment to prepare a blank with the water content of 35%;
step 4, cutting the blank into standard plates with the size of 1220mm-3000mm by a full-automatic water cutting system;
step 5, stacking the standard plates by using a full-automatic double-sucker vertical lifting stacker crane;
step 6, feeding the stacked standard plates into a 7500T ultrahigh-pressure oil press through an automatic transverse moving vehicle for encryption and dehydration for 32min;
step 7, placing the dehydrated standard plate in a constant-temperature curing room with the temperature of 25 ℃ and the humidity of 98 ℃ for standing for 2 hours;
step 8, moving the standard plate after maintenance into a six-axis multi-joint robot arm area for demolding;
step 9, continuously placing the standard plate subjected to demolding treatment in a constant-temperature curing room with the temperature of 25 ℃ and the humidity of 98 ℃ for curing for 18d, and pre-drying the standard plate for leaving the factory for 110min by using an LW integrated dryer, wherein the pre-drying temperature for leaving the factory is 90 ℃;
and step 10, placing the pre-dried standard plates leaving the factory at normal temperature, continuously maintaining the standard plates to 28d, and then packaging and laminating the standard plates through a full-automatic packaging laminating machine to obtain the finished building wallboard.
Example 6
The steam-curing-free rock-light assembled building decoration wallboard comprises the following specific steps of:
the composition comprises the following components in percentage by mass: 10% of fly ash, 10% of kaolin, 16% of stone powder and iron tailings, 50% of Portland cement, 1% of inorganic fiber, 8% of lotus root silk fiber, 1% of excitant, 1% of curing agent, 1% of coupling agent and 2% of drag reducer, wherein the sum of the mass percentages of the components is 100%;
the aluminum content in the kaolin is 20 percent, and the silicon content in the stone powder and the iron tailings is 58 percent;
step 2, putting all the raw materials weighed in the step 1 and water with the mass 4 times of the total mass of the raw materials into a continuous high-speed pulping machine, and mixing and stirring to obtain board-making slurry with the concentration of 16%;
step 3, feeding the board-making slurry into full-automatic pulp flowing equipment to prepare a blank with the water content of 33%;
step 4, cutting the blank into standard plates with the size of 1220mm-2440mm by using a full-automatic water cutting system;
5, stacking the standard plates by using a full-automatic double-suction-disc vertical lifting stacker crane;
step 6, feeding the stacked standard plates into a 8000T ultrahigh-pressure oil press through an automatic transverse moving vehicle to perform encryption and dehydration for 30min;
step 7, placing the dehydrated standard plate in a constant-temperature curing room with the temperature of 20 ℃ and the humidity of 98 ℃ for standing for 4 hours;
step 8, moving the standard plate after maintenance into a six-axis multi-joint robot arm area for demolding;
step 9, continuously placing the standard plate subjected to demolding treatment in a constant-temperature curing room with the temperature of 20 ℃ and the humidity of 98 ℃ for curing for 21d, and pre-drying the standard plate for delivery for 60min by using an LW (light weight) integrated dryer, wherein the pre-drying temperature for delivery is 90 ℃;
and step 10, placing the pre-dried standard plates leaving the factory at normal temperature, continuously maintaining the standard plates to 28d, and then packaging and laminating the standard plates through a full-automatic packaging laminating machine to obtain the finished building wallboard.
The panels prepared in examples 1 to 3 of the present invention were tested, and the specific data are as follows:
the application takes industrial solid wastes as basic raw materials of the steam-curing-free rock-light assembled building decoration wallboard, the special solid waste materials are pretreated in the early stage and then reach the use requirements, and SiO with higher content in the materials is utilized 2 、Ai 2 O 3 And proportionally mixing cement, additive and other materials to excite the potential activity of the material, and under the synergistic effect of the auxiliary cementing material, the physical breaking strength of the product in 28 days is more than or equal to 20MPa. The experimental data show that the plate prepared by the invention has the characteristics of high breaking strength, fire resistance, water resistance, corrosion resistance, moisture resistance, strong weather resistance and the like, and has no three-waste output (waste water, waste residue and waste gas), thereby greatly reducing the environmental pollution. The invention adopts the vertical and horizontal combined dryer process in the preparation process, firstly, the plate to be dried enters the vertical dryer, a large amount of water in the plate is removed firstly, then the plate is sent to the tunnel horizontal dryer by the traversing trolley for secondary drying, and a small part of water is removedThe method effectively dries the plate, so that the plate is easy to deform and crack due to continuous hydration reaction in the later period.
Claims (10)
1. The steaming-free rock-light assembled architectural decoration wallboard is characterized by comprising the following components in percentage by mass: 8 to 25 percent of fly ash, 10 to 25 percent of aluminum-containing slag, 12 to 30 percent of silicon-containing slag, 40 to 62 percent of Portland cement, 1 to 5 percent of inorganic fiber, 2 to 8 percent of lotus fiber, 1 to 3 percent of excitant, 1 to 5 percent of curing agent, 0.5 to 1.5 percent of coupling agent and 1.2 to 2.2 percent of drag reducer, wherein the sum of the mass percentages of the components is 100 percent.
2. The retorting-free rock light assembled architectural decorative wallboard of claim 1, wherein the aluminum-containing slag is one or more of coal gasification slag, blast furnace slag, aluminum ash slag, rare earth slag and kaolin; the silicon-containing slag is one or more of graphite tailings, coal gangue, electrolytic manganese slag, quartz sand tailings, stone powder and iron tailings.
3. The retorting-free rock light fabricated building decorative wallboard of claim 1, wherein the aluminum-containing slag contains 10-30% of aluminum; the silicon content in the silicon-containing slag is 40 to 70 percent.
4. The steam-curing-free rock-light assembled building decorative wallboard as claimed in claim 1, wherein the curing agent is a composite material and comprises acrylic modified resin, vinyl acetate and ethylene copolymer rubber powder and a separant, and the mass ratio of the acrylic modified resin to the vinyl acetate to the ethylene copolymer rubber powder to the separant is as follows: 0.01-0.05.
5. The retortable rock-free fabricated architectural decorative wallboard of claim 1, wherein the drag reducer is a polycarboxylic acid-based high performance drag reducer, in particular allyl alcohol polyoxyethylene ether.
6. The retorting-free rock light assembled architectural decoration wallboard of claim 1, wherein the coupling agent is composed of vinyl chloropropyl and epoxy, and the mass ratio of vinyl chloropropyl to epoxy is 0.5.
7. The preparation method of the steam-curing-free rock-light assembled building decorative wallboard according to any one of claims 1 to 6, characterized by comprising the following steps:
step 1, weighing the following components in percentage by mass: 8 to 25 percent of fly ash, 10 to 25 percent of aluminum-containing slag, 12 to 30 percent of silicon-containing slag, 40 to 62 percent of Portland cement, 1 to 5 percent of inorganic fiber, 2 to 8 percent of lotus root silk fiber, 1 to 3 percent of excitant, 1 to 5 percent of curing agent, 0.5 to 1.5 percent of coupling agent and 1.2 to 2.2 percent of drag reducer, wherein the sum of the mass percentages of the components is 100 percent;
step 2, putting all the raw materials weighed in the step 1 and water which is 3-6 times of the total mass of the raw materials into a continuous high-speed pulping machine, and mixing and stirring to obtain a plate-making slurry with the concentration of 15% -20%;
step 3, feeding the plate-making slurry into full-automatic pulp flowing equipment to prepare a blank with the water content of 30-35%;
step 4, cutting the blank into standard plates in a fixed length through a full-automatic water cutting system;
step 5, stacking the standard plates by using a full-automatic double-sucker vertical lifting stacker crane;
step 6, conveying the stacked standard plates into a 6500-8000T ultrahigh-pressure oil press through an automatic transverse moving vehicle for encryption and dehydration for 30-40 min;
step 7, placing the dehydrated standard plate in a constant-temperature curing room for static curing for 2-4 hours;
step 8, moving the standard plate after the static maintenance into a six-axis multi-joint robot arm area for demolding;
step 9, when the standard plate subjected to demolding treatment is continuously placed in a constant-temperature curing room and cured for 15-21 d, performing factory pre-drying on the standard plate for 60-120 min by using an LW (light weight water) integrated dryer;
and step 10, placing the pre-dried standard plates leaving the factory at normal temperature, continuously maintaining the standard plates to 28d, and then packaging and laminating the standard plates through a full-automatic packaging laminating machine to obtain the finished building wallboard.
8. The method for preparing the retorting-free rock light assembled architectural decoration wallboard of claim 7, wherein the aluminum content in the aluminum-containing tailing slag is 10-30%; the silicon content in the silicon-containing tailing slag is 40-70%.
9. The method for preparing the non-autoclaved rock light assembled architectural decoration wallboard as claimed in claim 7, wherein the curing condition in step 7 and the curing condition in step 9 are both: the temperature is 20-25 ℃, and the humidity is 95-98 ℃.
10. The method for preparing the steam-curing-free rock-light assembled building decorative wallboard as claimed in claim 7, wherein the factory pre-drying temperature in the step 9 is 50-100 ℃.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084831A (en) * | 2015-07-01 | 2015-11-25 | 唐志宏 | Wallboard raw material composition, integral wallboard and manufacture method thereof |
| CN106517913A (en) * | 2016-11-11 | 2017-03-22 | 北京化工大学 | Geopolymer wallboard and extrusion forming method |
| CN111635187A (en) * | 2020-05-13 | 2020-09-08 | 山东领军科技集团有限公司 | Graphite slag light partition plate and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084831A (en) * | 2015-07-01 | 2015-11-25 | 唐志宏 | Wallboard raw material composition, integral wallboard and manufacture method thereof |
| CN106517913A (en) * | 2016-11-11 | 2017-03-22 | 北京化工大学 | Geopolymer wallboard and extrusion forming method |
| CN111635187A (en) * | 2020-05-13 | 2020-09-08 | 山东领军科技集团有限公司 | Graphite slag light partition plate and preparation method thereof |
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