CN111742757A - Sunlight greenhouse wallboard and application thereof - Google Patents
Sunlight greenhouse wallboard and application thereof Download PDFInfo
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- CN111742757A CN111742757A CN202010738658.8A CN202010738658A CN111742757A CN 111742757 A CN111742757 A CN 111742757A CN 202010738658 A CN202010738658 A CN 202010738658A CN 111742757 A CN111742757 A CN 111742757A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1469—Greenhouses with double or multiple walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/30—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being formed of particles, e.g. chips, granules, powder
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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
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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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2410/00—Agriculture-related articles
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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
- C04B2103/65—Water proofers or repellants
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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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
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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
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The invention belongs to the technical field of building materials, and particularly relates to a sunlight greenhouse wallboard and application thereof. The sunlight greenhouse wall plate consists of an inner layer, a sandwich layer and an outer layer; the sandwich layer is prepared from the following raw materials in parts by weight: 3-4 parts of 2, 2-methyl-1, 3-propylene glycol, 6-8 parts of polyethylene glycol, 0.1-0.15 part of nano fiber, 3-4 parts of butyl stearate, 0.5-1 part of redispersible latex powder and 8-10 parts of pumice particles; the inner layer and the outer layer are prepared from the following raw materials in parts by weight: 40-50 parts of building gypsum, 10-15 parts of machine-made sand, 1-3 parts of portland cement, 3-5 parts of polyphenyl particles, 1-3 parts of sierozem powder, 0.5-1 part of ceramic fiber, 3-5 parts of polypropylene fiber, 0.2-0.4 part of waterproof agent and 0.1-0.2 part of reinforcing agent. The sunlight greenhouse wall plate provided by the invention has good heat storage, heat preservation and permeability resistance, is convenient and simple to install and has low production cost.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to a sunlight greenhouse wallboard and application thereof.
Background
The phosphogypsum is solid waste generated after phosphoric acid is prepared by the reaction of phosphate rock and sulfuric acid when phosphoric acid is produced by a phosphorus chemical wet method. With the development of high-concentration phosphorus fertilizers in the world, the discharge amount of the phosphogypsum also increases day by day, the stacking of the phosphogypsum occupies a large amount of land, great damage is caused to the environment, enterprises spend a large amount of capital for treating the phosphogypsum every year, and great pressure is caused to the development of phosphorus chemical enterprises, so the treatment of the phosphogypsum is unsmooth. Therefore, the problem of treatment and utilization of the phosphogypsum becomes a worldwide difficult problem, and the effective utilization of the phosphogypsum, which is a solid waste, has profound and important significance for development of chemical industry and building material industry in China and treatment of environmental pollution. The novel wall material is manufactured by utilizing abundant calcium sulfate dihydrate resources in the phosphogypsum, so that the problems of natural gypsum resource consumption, reduction of the production cost of the wall material, reduction of the use of high-energy-consumption clay bricks, serious environmental pollution caused by the accumulation of a large amount of phosphogypsum and the like can be well solved, resources can be effectively saved, the cost can be reduced, and the carbon emission can be reduced.
The sunlight greenhouse is an important basic agricultural production facility in northern China, plays a significant role in the development process of modern agriculture, not only effectively ensures the off-season supply of vegetables in cold regions, but also greatly improves the income increasing condition of farmers. At present, the wall bodies of the sunlight room are basically divided into two types: firstly, two sides of wall brick are added with heat insulating material or soil; the second is the earth wall. The construction of brick walls is labor and time consuming and the walls are high in cost. The thickness of the earth wall is generally 1-1.5m, the height of the wall is about 2m, and the occupied area is large. Much surface coating is wasted, is labor-consuming and time-consuming, and is prone to collapse. At present, when the phosphogypsum is used as a raw material of a wall body material of a sunlight greenhouse, the phosphogypsum and other raw materials are prepared into mortar and then poured for use, and the defect of waste labor cost and time still exists.
For example, the patent with publication number CN108298935A discloses composite phase change energy storage internal thermal insulation mortar for an energy-saving solar greenhouse wall and a preparation method thereof, the thermal insulation mortar is prepared by mixing raw material dry powder and water accounting for 70-110% of the total weight of the raw material dry powder, wherein the raw material dry powder is prepared by taking building desulfurized gypsum as a cementing material and light composite shape-stabilized phase change particles, redispersible latex powder, citric acid, hydroxypropyl methyl cellulose ether, polypropylene fiber and the like. The composite phase change energy storage thermal insulation mortar is used for thermal insulation in the wall body of the sunlight greenhouse, so that better thermal insulation, heat storage and release effects are achieved, the thermal environment in the sunlight greenhouse is improved, the growth efficiency of crops in the greenhouse is improved, and the production benefit of the greenhouse is improved. The patent is that building gypsum is made into thermal mortar for thermal insulation in the wall of the sunlight greenhouse.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a sunlight greenhouse wallboard and application thereof, and the sunlight greenhouse wallboard is realized by the following technical scheme:
a wall plate for sunlight greenhouse is composed of an inner layer, a sandwich layer and an outer layer, wherein the thickness of the sandwich layer is 3-4cm, and the thickness of the inner layer and the outer layer is 2-3 cm.
Preferably, the sandwich layer is prepared from the following raw materials in parts by weight: 3-4 parts of 2, 2-methyl-1, 3-propylene glycol, 6-8 parts of polyethylene glycol, 0.1-0.15 part of nano fiber, 3-4 parts of butyl stearate, 0.5-1 part of redispersible latex powder and 8-10 parts of pumice particles.
Preferably, the pumice stone particles have a particle size of 3 to 6 mm.
Preferably, the inner layer and the outer layer are prepared from the following raw materials in parts by weight: 40-50 parts of building gypsum, 10-15 parts of machine-made sand, 1-3 parts of portland cement, 3-5 parts of polyphenyl granules, 0.5-1 part of ceramic fiber, 3-5 parts of polypropylene fiber, 0.2-0.4 part of waterproof agent and 0.1-0.2 part of reinforcing agent.
Preferably, the waterproof agent is prepared from epoxy resin and acrylic acid according to the weight ratio of 1: 1, in terms of mass ratio.
Preferably, the reinforcing agent is prepared from sodium dodecyl benzene sulfonate and carboxymethyl cellulose according to the weight ratio of 1: 2-3 in mass ratio.
Preferably, the manufacturing method of the sunlight greenhouse wall board comprises the following steps:
(1) modifying the pumice stone particles to prepare modified pumice stone particles; adding water with the mass of 1 time of that of polyethylene glycol and nano-fiber into the mixture, stirring the mixture for 30min at the temperature of between 60 and 70 ℃, adding the redispersed emulsion powder into the mixture, and uniformly mixing and stirring the mixture to obtain a blend;
(2) uniformly stirring 2, 2-methyl-1, 3-propylene glycol, butyl stearate, modified pumice particles and the blend to prepare a sandwich layer castable;
(3) mixing building gypsum, machine-made sand, Portland cement, sierozem powder, ceramic fiber, polypropylene fiber and a reinforcing agent, adding 110% of water by mass of the mixture, and stirring to prepare mortar; then adding a waterproof agent and polyphenyl granules, and carrying out vacuum stirring treatment to obtain an inner-layer casting material and an outer-layer casting material;
(4) taking a wallboard mould, pouring an inner-layer pouring material and an outer-layer pouring material into the wallboard mould, and compacting after pouring, wherein the pouring thickness is 2-3 cm; then placing a layer of glass fiber mesh cloth, pouring a pouring material of the sandwich layer, compacting after pouring, wherein the thickness of the pouring is 3-4cm, and covering the surface with a layer of glass fiber mesh cloth; pouring an inner layer castable and an outer layer castable on the surface of the sandwich layer, and compacting after pouring, wherein the pouring thickness is 2-3 cm;
(5) and curing the poured wallboard mould at 35-40 ℃ for 4-5h, and then curing in a natural environment.
Preferably, the modification treatment of the pumice stone particles is: adding the pumice stone particles into a 20mmol/L benzalkonium bromide solution 15 times of the pumice stone particles, treating for 6 hours in a water bath at 50 ℃, washing, and drying to obtain the modified pumice stone particles.
The invention also provides an application of the sunlight greenhouse wall plate, wherein a steel skeleton is adopted as a supporting structure for a roof of the greenhouse, when the wall plate is installed, the steel skeleton is fixed firstly, and then self-tapping screws are adopted for fixing the phase change heat storage wall plate on the steel skeleton at the inner side and the outer side, and foam sealant is used for sealing treatment.
The invention has the beneficial effects that:
according to the invention, 2-methyl-1, 3-propylene glycol, polyethylene glycol, butyl stearate and other organic heat storage materials and modified pumice particles are used as sandwich layers, and the modified pumice particles have a porous structure, have good wettability and adsorbability on the organic heat storage materials, and can fully adsorb the organic heat storage materials on the pumice particles; the heat storage effect of the wallboard can be effectively enhanced; the redispersible latex powder enhances the cohesiveness of the sandwich layer and the inner and outer layer materials; the nano-fiber and the modified pumice particle can also keep good strength after the sandwich layer is solidified. Building gypsum, machine-made sand, Portland cement, polyphenyl particles, sierozem powder, ceramic fibers, polypropylene fibers, a waterproof agent and a reinforcing agent are used as inner and outer layer materials, and the building gypsum, the polyphenyl particles and the ceramic fibers have good heat preservation effect; the ceramic fiber and the polypropylene fiber can enhance the strength of the inner layer and the outer layer; the waterproof agent is subjected to vacuum stirring treatment with the building gypsum, the portland cement and other raw materials, so that the building gypsum, the portland cement and other raw materials can be fully fused, the moisture absorption of the outer layer of the wallboard can be improved, and the wallboard has good moisture resistance; the enhancer can accelerate the fusion effect.
The sunlight greenhouse wall plate provided by the invention has good heat storage, heat preservation and permeability resistance, is convenient and simple to install and has low production cost.
Detailed Description
The technical solution of the present invention is further defined below with reference to the specific embodiments, but the scope of the claims is not limited to the description.
Example 1
A wall plate for sunlight greenhouse is composed of an inner layer, a sandwich layer and an outer layer, wherein the thickness of the sandwich layer is 3-4cm, and the thickness of the inner layer and the outer layer is 2-3 cm.
The sandwich layer is prepared from the following raw materials in parts by weight: 3 parts of 2, 2-methyl-1, 3-propylene glycol, 8 parts of polyethylene glycol, 0.1 part of nano fiber, 4 parts of butyl stearate, 0.5 part of redispersible latex powder and 10 parts of pumice particles with the particle size of 3-6 mm.
The inner layer and the outer layer are prepared from the following raw materials in parts by weight: 40 parts of building gypsum, 15 parts of machine-made sand, 1 part of Portland cement, 5 parts of polyphenyl granules, 0.5 part of ceramic fiber, 5 parts of polypropylene fiber, 0.2 part of waterproof agent and 0.2 part of reinforcing agent. Wherein, the waterproof agent is prepared from epoxy resin and acrylic acid according to the weight ratio of 1: 1 in a mass ratio; the reinforcing agent is prepared from sodium dodecyl benzene sulfonate and carboxymethyl cellulose according to the weight ratio of 1: 3 in mass ratio.
The manufacturing method of the sunlight greenhouse wallboard comprises the following steps:
(1) adding the pumice stone particles into a 20mmol/L benzalkonium bromide solution 15 times of the pumice stone particles, treating for 6 hours in a water bath at 50 ℃, washing, and drying to obtain modified pumice stone particles; adding water with the mass of 1 time of that of polyethylene glycol and nano-fiber into the mixture, stirring the mixture for 30min at the temperature of between 60 and 70 ℃, adding the redispersed emulsion powder into the mixture, and uniformly mixing and stirring the mixture to obtain a blend;
(2) uniformly stirring 2, 2-methyl-1, 3-propylene glycol, butyl stearate, modified pumice particles and the blend to prepare a sandwich layer castable;
(3) mixing building gypsum, machine-made sand, Portland cement, sierozem powder, ceramic fiber, polypropylene fiber and a reinforcing agent, adding 110% of water by mass of the mixture, and stirring to prepare mortar; then adding a waterproof agent and polyphenyl granules, and carrying out vacuum stirring treatment to obtain an inner-layer casting material and an outer-layer casting material;
(4) taking a wallboard mould, pouring an inner-layer pouring material and an outer-layer pouring material into the wallboard mould, and compacting after pouring, wherein the pouring thickness is 2-3 cm; then placing a layer of glass fiber mesh cloth, pouring a pouring material of the sandwich layer, compacting after pouring, wherein the thickness of the pouring is 3-4cm, and covering the surface with a layer of glass fiber mesh cloth; pouring an inner layer castable and an outer layer castable on the surface of the sandwich layer, and compacting after pouring, wherein the pouring thickness is 2-3 cm;
(5) and (3) curing the poured wallboard mould at 35-40 ℃ for 4 hours, and then curing in a natural environment.
Example 2
A wall plate for sunlight greenhouse is composed of an inner layer, a sandwich layer and an outer layer, wherein the thickness of the sandwich layer is 3-4cm, and the thickness of the inner layer and the outer layer is 2-3 cm.
The sandwich layer is prepared from the following raw materials in parts by weight: 3.2 parts of 2, 2-methyl-1, 3-propylene glycol, 7 parts of polyethylene glycol, 0.12 part of nano-fiber, 3.5 parts of butyl stearate, 0.6 part of redispersible latex powder and 9 parts of pumice particles with the particle size of 3-6 mm.
The inner layer and the outer layer are prepared from the following raw materials in parts by weight: 45 parts of building gypsum, 12 parts of machine-made sand, 2 parts of portland cement, 4 parts of polyphenyl granules, 0.6 part of ceramic fiber, 4 parts of polypropylene fiber, 0.3 part of waterproof agent and 0.12 part of reinforcing agent. Wherein, the waterproof agent is prepared from epoxy resin and acrylic acid according to the weight ratio of 1: 1 in a mass ratio; the reinforcing agent is prepared from sodium dodecyl benzene sulfonate and carboxymethyl cellulose according to the weight ratio of 1: 2 in mass ratio.
The manufacturing method of the sunlight greenhouse wallboard comprises the following steps:
(1) adding the pumice stone particles into a 20mmol/L benzalkonium bromide solution 15 times of the pumice stone particles, treating for 6 hours in a water bath at 50 ℃, washing, and drying to obtain modified pumice stone particles; adding water with the mass of 1 time of that of polyethylene glycol and nano-fiber into the mixture, stirring the mixture for 30min at the temperature of between 60 and 70 ℃, adding the redispersed emulsion powder into the mixture, and uniformly mixing and stirring the mixture to obtain a blend;
(2) uniformly stirring 2, 2-methyl-1, 3-propylene glycol, butyl stearate, modified pumice particles and the blend to prepare a sandwich layer castable;
(3) mixing building gypsum, machine-made sand, Portland cement, sierozem powder, ceramic fiber, polypropylene fiber and a reinforcing agent, adding 110% of water by mass of the mixture, and stirring to prepare mortar; then adding a waterproof agent and polyphenyl granules, and carrying out vacuum stirring treatment to obtain an inner-layer casting material and an outer-layer casting material;
(4) taking a wallboard mould, pouring an inner-layer pouring material and an outer-layer pouring material into the wallboard mould, and compacting after pouring, wherein the pouring thickness is 2-3 cm; then placing a layer of glass fiber mesh cloth, pouring a pouring material of the sandwich layer, compacting after pouring, wherein the thickness of the pouring is 3-4cm, and covering the surface with a layer of glass fiber mesh cloth; pouring an inner layer castable and an outer layer castable on the surface of the sandwich layer, and compacting after pouring, wherein the pouring thickness is 2-3 cm;
(5) and (3) curing the poured wallboard mould at 35-40 ℃ for 5 hours, and then curing in a natural environment.
Example 3
A wall plate for sunlight greenhouse is composed of an inner layer, a sandwich layer and an outer layer, wherein the thickness of the sandwich layer is 3-4cm, and the thickness of the inner layer and the outer layer is 2-3 cm.
The sandwich layer is prepared from the following raw materials in parts by weight: 4 parts of 2, 2-methyl-1, 3-propylene glycol, 6 parts of polyethylene glycol, 0.15 part of nano fiber, 3 parts of butyl stearate, 1 part of redispersible latex powder and 8 parts of pumice particles with the particle size of 3-6 mm.
The inner layer and the outer layer are prepared from the following raw materials in parts by weight: 50 parts of building gypsum, 10 parts of machine-made sand, 3 parts of portland cement, 3 parts of polyphenyl granules, 1 part of ceramic fiber, 3 parts of polypropylene fiber, 0.4 part of waterproof agent and 0.1 part of reinforcing agent. Wherein, the waterproof agent is prepared from epoxy resin and acrylic acid according to the weight ratio of 1: 1 in a mass ratio; the reinforcing agent is prepared from sodium dodecyl benzene sulfonate and carboxymethyl cellulose according to the weight ratio of 1: 3 in mass ratio.
The manufacturing method of the sunlight greenhouse wallboard comprises the following steps:
(1) adding the pumice stone particles into a 20mmol/L benzalkonium bromide solution 15 times of the pumice stone particles, treating for 6 hours in a water bath at 50 ℃, washing, and drying to obtain modified pumice stone particles; adding water with the mass of 1 time of that of polyethylene glycol and nano-fiber into the mixture, stirring the mixture for 30min at the temperature of between 60 and 70 ℃, adding the redispersed emulsion powder into the mixture, and uniformly mixing and stirring the mixture to obtain a blend;
(2) uniformly stirring 2, 2-methyl-1, 3-propylene glycol, butyl stearate, modified pumice particles and the blend to prepare a sandwich layer castable;
(3) mixing building gypsum, machine-made sand, Portland cement, sierozem powder, ceramic fiber, polypropylene fiber and a reinforcing agent, adding 110% of water by mass of the mixture, and stirring to prepare mortar; then adding a waterproof agent and polyphenyl granules, and carrying out vacuum stirring treatment to obtain an inner-layer casting material and an outer-layer casting material;
(4) taking a wallboard mould, pouring an inner-layer pouring material and an outer-layer pouring material into the wallboard mould, and compacting after pouring, wherein the pouring thickness is 2-3 cm; then placing a layer of glass fiber mesh cloth, pouring a pouring material of the sandwich layer, compacting after pouring, wherein the thickness of the pouring is 3-4cm, and covering the surface with a layer of glass fiber mesh cloth; pouring an inner layer castable and an outer layer castable on the surface of the sandwich layer, and compacting after pouring, wherein the pouring thickness is 2-3 cm;
(5) and (3) curing the poured wallboard mould at 35-40 ℃ for 5 hours, and then curing in a natural environment.
Comparative example 1
Comparative example 1 differs from example 1 in that the wallboard was made directly from the inner and outer castable layers without a sandwich layer.
It should be noted that the above examples and test examples are only for further illustration and understanding of the technical solutions of the present invention, and are not to be construed as further limitations of the technical solutions of the present invention, and the invention which does not highlight essential features and significant advances made by those skilled in the art still belongs to the protection scope of the present invention.
Claims (9)
1. A sunlight greenhouse wallboard is characterized by comprising an inner layer, a sandwich layer and an outer layer, wherein the thickness of the sandwich layer is 3-4cm, and the thickness of the inner layer and the outer layer is 2-3 cm.
2. A sunlight greenhouse wall panel as claimed in claim 1, characterized in that the sandwich layer is made of the following raw materials in parts by weight: 3-4 parts of 2, 2-methyl-1, 3-propylene glycol, 6-8 parts of polyethylene glycol, 0.1-0.15 part of nano fiber, 3-4 parts of butyl stearate, 0.5-1 part of redispersible latex powder and 8-10 parts of pumice particles.
3. A solar greenhouse wall panel as claimed in claim 2, characterized in that the pumice stone granules have a grain size of 3-6 mm.
4. A sunlight greenhouse wall panel as claimed in claim 1, characterized in that the inner and outer layers are made of the following raw materials in parts by weight: 40-50 parts of building gypsum, 10-15 parts of machine-made sand, 1-3 parts of portland cement, 3-5 parts of polyphenyl granules, 0.5-1 part of ceramic fiber, 3-5 parts of polypropylene fiber, 0.2-0.4 part of waterproof agent and 0.1-0.2 part of reinforcing agent.
5. A sunlight greenhouse wall panel as claimed in claim 4, characterized in that the water-proofing agent is a mixture of epoxy resin and acrylic acid in a ratio of 1: 1, in terms of mass ratio.
6. A solar greenhouse panel as claimed in claim 1, wherein the reinforcing agent is a mixture of sodium dodecylbenzene sulfonate, carboxymethyl cellulose in a ratio of 1: 2-3 in mass ratio.
7. A method of making a solar greenhouse wall panel as claimed in any one of claims 1 to 5, comprising the steps of:
(1) modifying the pumice stone particles to prepare modified pumice stone particles; adding water with the mass of 1 time of that of polyethylene glycol and nano-fiber into the mixture, stirring the mixture for 30min at the temperature of between 60 and 70 ℃, adding the redispersed emulsion powder into the mixture, and uniformly mixing and stirring the mixture to obtain a blend;
(2) uniformly stirring 2, 2-methyl-1, 3-propylene glycol, butyl stearate, modified pumice particles and the blend to prepare a sandwich layer castable;
(3) mixing building gypsum, machine-made sand, Portland cement, sierozem powder, ceramic fiber, polypropylene fiber and a reinforcing agent, adding 110% of water by mass of the mixture, and stirring to prepare mortar; then adding a waterproof agent and polyphenyl granules, and carrying out vacuum stirring treatment to obtain an inner-layer casting material and an outer-layer casting material;
(4) taking a wallboard mould, pouring an inner-layer pouring material and an outer-layer pouring material into the wallboard mould, and compacting after pouring, wherein the pouring thickness is 2-3 cm; then placing a layer of glass fiber mesh cloth, pouring a pouring material of the sandwich layer, compacting after pouring, wherein the thickness of the pouring is 3-4cm, and covering the surface with a layer of glass fiber mesh cloth; pouring an inner layer castable and an outer layer castable on the surface of the sandwich layer, and compacting after pouring, wherein the pouring thickness is 2-3 cm;
(5) and curing the poured wallboard mould at 35-40 ℃ for 4-5h, and then curing in a natural environment.
8. A method of making a solar greenhouse wall panel as claimed in claim 7, wherein the modification treatment of the pumice stone particles is: adding the pumice stone particles into a 20mmol/L benzalkonium bromide solution 15 times of the pumice stone particles, treating for 6 hours in a water bath at 50 ℃, washing, and drying to obtain the modified pumice stone particles.
9. The use of the wall panel of the solar greenhouse as claimed in any one of claims 1 to 5, wherein the steel skeleton is used as a supporting structure for the roof of the greenhouse, and when the wall panel is installed, the steel skeleton is fixed, and then the phase change heat storage wall panel is fixed on the steel skeleton by self-tapping screws on the inner side and the outer side and is sealed by foam sealant.
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