阅读说明：本技术 一种组合式陶粒轻质墙板 (Combined ceramsite light wall board ) 是由 范力 于 2021-08-31 设计创作，主要内容包括：本发明公开了一种组合式陶粒轻质墙板,包括墙板基板,墙板基板包括位于墙板基板两侧的墙板表面层、位于两侧的墙板表面层之间的保温墙芯、和嵌入墙板表面层内的纤维网层,墙板基板由混凝土填充物和金属编织网构成,墙板表面层包覆于两侧保温墙芯的外侧,且墙板表面层的外侧设有防水抑制层。本发明中,通过设置轻质陶粒和玻化微珠作为基板的骨料材料,并利用特殊轻质混凝土配方,使该墙板结构在具有高强度特性的基础上,兼具质地轻便易于施工安装的优点,且通过一体成型的冷轧钢卷冲成网进行粘结,使该墙板抗震,撞击均符合国家标准。(The invention discloses a combined ceramsite light wall board, which comprises a wall board substrate, wherein the wall board substrate comprises wall board surface layers positioned on two sides of the wall board substrate, a heat-insulating wall core positioned between the wall board surface layers on the two sides, and a fiber mesh layer embedded into the surface layer of the wall board, the wall board substrate is composed of concrete fillers and metal woven meshes, the wall board surface layers are coated on the outer sides of the heat-insulating wall cores on the two sides, and a waterproof inhibiting layer is arranged on the outer sides of the wall board surface layers. According to the invention, the lightweight ceramsite and the vitrified micro bubbles are used as aggregate materials of the substrate, and a special lightweight concrete formula is utilized, so that the wallboard structure has the advantages of light texture and easiness in construction and installation on the basis of high strength characteristic, and the wallboard is bonded by punching an integrally formed cold rolled steel coil into a net, so that the wallboard is resistant to earthquake and the impact of the wallboard meets the national standard.)

1. The combined ceramsite light wallboard comprises a wallboard substrate and is characterized in that the wallboard substrate comprises wallboard surface layers positioned on two sides of the wallboard substrate, a heat-insulating wall core positioned between the wallboard surface layers on the two sides and a fiber mesh layer embedded in the surface layer of the wallboard, the wallboard substrate is composed of concrete fillers and a metal woven mesh, the wallboard surface layers are coated on the outer sides of the heat-insulating wall cores on the two sides, and a waterproof inhibiting layer is arranged on the outer sides of the wallboard surface layers;

the concrete of the wallboard substrate comprises the following components in parts by weight: 600 parts of cement clinker 500-containing materials, 190 parts of sand 170-containing materials, 220 parts of light ceramsite 200-containing materials, 145 parts of vitrified micro bubbles 125-containing materials, 1-2 parts of cellulose ether, 5-7 parts of water reducing agent, 1-2 parts of dispersing agent and 750 parts of water 740-containing materials, wherein the particle size range of the sand is 0.11-0.24mm, the average particle size is less than or equal to 0.2mm, and the content of SiO2 is more than or equal to 96 percent; the particle size range of the light ceramsite is 5-15 mm, and the average particle size is less than or equal to 14 mm.

2. The combined ceramsite light-weight wallboard according to claim 1, is characterized in that a metal mesh grid in a wallboard substrate is punched into a net shape by adopting a cold-rolled steel coil, and an internal mold framework is formed by rolling, wherein the specification wire diameter is 1.5mm-3.0mm, and the cellular area of meshes is not more than 4 cm.

3. The combined ceramsite light-weight wallboard of claim 1, wherein the cellulose ether is prepared by crushing straw stalks, wheat stalks or corn stalks and carrying out etherification processing treatment by using a swelling agent, the length of the fiber is 0.5-6 mm, and the density is 200-300 kg/m.

4. The combined ceramsite light-weight wallboard according to claim 1, wherein the heat-insulating wall core is made of a polyurethane rigid foam board and comprises the following components in parts by weight: 6-8 parts of combined polyol, 2-4 parts of foaming agent, 11-13 parts of isocyanate and 0.6-1.0 part of curing agent and flame retardant, wherein the foaming volume is 19-22 m for carrying out thin film growing.

5. The combined ceramsite light-weight wallboard according to claim 1, wherein the concrete of the wallboard base plate preferably comprises the following components in parts by weight: 580 parts of cement clinker 550-.

6. The combined ceramsite light-weight wallboard according to claim 5, wherein the sand has an average particle size of 0.15mm, and a particle size range of 0.14-0.18 mm; the particle size range of the light ceramsite is 8-11 mm, and the average particle size is less than or equal to 10 mm.

7. The combined ceramsite light-weight wallboard according to claim 1, wherein the wallboard surface layer comprises an asbestos gypsum base layer and aramid paper films with various colors, and the thickness of the asbestos gypsum base layer is less than or equal to 4 mm.

8. The combined ceramsite light-weight wallboard as claimed in claim 1, wherein the waterproof inhibition layer is a mixture of methyl sodium silicate and methyl potassium silicate, and the ratio of methyl sodium silicate to methyl potassium silicate of the mixture of methyl sodium silicate and methyl potassium silicate is 1: 1.3.

Technical Field

The invention relates to the technical field of building materials, in particular to a combined ceramsite light wallboard.

Background

With the further enhancement of national policies of energy conservation, environmental protection, ecological construction and the like, green demonstration projects in the construction industry are continuously popularized, and building wall materials are developed towards the directions of energy conservation, soil conservation, waste utilization, environmental protection and building function improvement. The traditional partition wall material can consume a large amount of non-renewable resources and bring serious pollution problems, and meanwhile, the wet operation construction causes high labor intensity and large building cost. Therefore, the partition wall material is gradually upgraded to a light heat-insulating wall plate which is made of glass fiber reinforced cement or calcium silicate plate as the surface layer of the wall plate, cement as a cementing material and light aggregate as a core material, and the light ceramsite wall plate is a novel energy-saving wall material.

The light ceramsite wall board is often used for non-bearing walls in the actual construction process, such as household compartments, corridors, kitchen partition walls and toilets of residential buildings, but the light ceramsite wall board has poor impermeability due to the performance and characteristics of the light ceramsite wall board, and particularly, when the light ceramsite wall board is applied to the toilets, the defect of poor impermeability is amplified infinitely; the method specifically comprises the following steps: when the toilet is used in hot water, a large amount of water vapor or steam can be generated and permeates into the wall board, the water saturation of the wall board is increased day by day, so that water drops appear on the surface of the wall board, and the wet wall surface is moldy; and the light ceramsite wallboard is easy to deform after absorbing water vapor, and the light ceramsite wallboard has serious phenomena such as hollowing, cracks and the like under the condition.

In the prior art, a waterproof coating is coated on the surface of a wall, the waterproof performance of the wall is related to the coating times, the more the coating times are, the better the compactness of a formed film is, but the process requirement for coating the waterproof coating on the wall surface is very strict and complex, specifically, the waterproof coating cannot be coated once, and the coating is uniform every time, so that the phenomena of bottom exposure, coating omission and accumulation cannot occur; and the waterproof coating can be coated once after the coating which is coated first is dried to form a film; from the above, the process of the coating waterproof paint requires that constructors have a better technical foundation and the time for completing the whole process is long.

In view of this, research and improvement are carried out to solve the existing problems, and a combined ceramsite light wall board is provided to solve the problems of high manufacturing cost, high difficulty and lack of waterproof and flame-retardant effects in the prior art, and the purpose of solving the problems and improving the practical value is achieved through the technology.

Disclosure of Invention

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the invention is as follows: a combined ceramsite light wall board comprises a wall board substrate, wherein the wall board substrate comprises wall board surface layers positioned on two sides of the wall board substrate, a heat-insulating wall core positioned between the wall board surface layers on the two sides, and a fiber mesh layer embedded into the wall board surface layer; the concrete of the wallboard substrate comprises the following components in parts by weight: 600 parts of cement clinker 500-containing materials, 190 parts of sand 170-containing materials, 220 parts of light ceramsite 200-containing materials, 145 parts of vitrified micro bubbles 125-containing materials, 1-2 parts of cellulose ether, 5-7 parts of water reducing agent, 1-2 parts of dispersing agent and 750 parts of water 740-containing materials, wherein the particle size range of the sand is 0.11-0.24mm, the average particle size is less than or equal to 0.2mm, and the content of SiO2 is more than or equal to 96 percent; the particle size range of the light ceramsite is 5-15 mm, and the average particle size is less than or equal to 14 mm.

The present invention in a preferred example may be further configured to: the internal mold framework is formed by punching cold-rolled steel coils into a net shape and rolling, the wire diameter of the specification is 1.5-3.0 mm, and the area of the net holes is equal to or less than 4 cm.

Through adopting above-mentioned technical scheme, the cold-rolled steel book is punched into netted centre form skeleton quality light: the volume weight of the brick is 1/4 of common concrete, 1/2 of clay brick is about 92 kilograms per square meter, and the brick has strong crashworthiness: because of the integral forming, the shock resistance and the impact all accord with the national standard.

The present invention in a preferred example may be further configured to: the cellulose ether is prepared by crushing straw stalks, wheat stalks or corn stalks and carrying out etherification processing treatment by using a swelling agent, wherein the length of the fiber is 0.5-6 mm, and the density is 200-300 kg/m.

By adopting the technical scheme, the cellulose ether has both hydrophilic groups (hydroxyl groups and ether groups) and hydrophobic groups (methyl and glucose rings), is a surfactant and has surface activity, so that the cellulose ether has an air-entraining effect, and the air-entraining effect of the cellulose ether can generate a ball effect, so that the working performance of a newly-mixed material can be improved, for example, the plasticity and the smoothness of the mortar in the operation process are improved, and the mortar is favorably paved; the yield of mortar is also improved, and the production cost of mortar is reduced.

The present invention in a preferred example may be further configured to: the heat-insulation wall core is made of polyurethane rigid foam board and comprises the following components in parts by weight: 6-8 parts of combined polyol, 2-4 parts of foaming agent, 11-13 parts of isocyanate and 0.6-1.0 part of curing agent and flame retardant, wherein the foaming volume is 19-22 m for carrying out thin film growing.

By adopting the technical scheme, the polyurethane rigid foam board has the advantages of compact and firm structure, low water absorption, good heat insulation, light weight, high specific strength, vibration reduction, sound insulation, fire resistance, flame retardance and outstanding heat preservation and waterproof effects, is not easy to crack and permeate; and the deformation adaptability to the main body structure is strong, when the attached main body structure generates normal deformation, such as contraction, creep, expansion and other conditions, the hard foam polyurethane thermal insulation system can flexibly and gradually change layer by layer, and release stress layer by layer, thereby effectively ensuring the stability and durability of the system, ensuring the omnibearing thermal insulation effect of complicated parts of a building, and not generating cracks or separation.

The present invention in a preferred example may be further configured to: the concrete of the wallboard substrate preferably comprises the following components in parts by weight: 580 parts of cement clinker 550-.

Further, the sand has an average particle size of 0.15mm and a particle size range of 0.14-0.18 mm; the particle size range of the light ceramsite is 8-11 mm, and the average particle size is less than or equal to 10 mm.

The present invention in a preferred example may be further configured to: the wallboard surface layer comprises an asbestos gypsum base layer and aramid fiber paper films with various colors, and the thickness of the asbestos gypsum base layer is less than or equal to 4 mm.

By adopting the technical scheme, the aramid paper film is a good high-temperature-resistant flame-retardant fiber, can keep about 80% of the original strength at 200 ℃, and can still keep 65% -70% of the original strength after being continuously used for 100 hours at 260 ℃.

The present invention in a preferred example may be further configured to: the waterproof inhibiting layer is a mixture of sodium methyl silicate and potassium methyl silicate, and the ratio of the sodium methyl silicate to the potassium methyl silicate of the mixture of the sodium methyl silicate and the potassium methyl silicate is 1: 1.3.

by adopting the technical scheme, the sodium methylsilicate and the potassium methylsilicate are waterproof, color-protecting, pollution-preventing and aging-preventing of the building coating in the prior art, and are widely used for exterior wall veneers; the water-proof agent is used for water-proof treatment of aramid paper films with various colors, and can obviously increase the water content and maintain stable bonding strength.

The beneficial effects obtained by the invention are as follows:

1. according to the invention, the lightweight ceramsite and the vitrified micro bubbles are used as aggregate materials of the substrate, and a special lightweight concrete formula is utilized, so that the wallboard structure has the advantages of light texture and easiness in construction and installation on the basis of high strength characteristic, and the wallboard is bonded by punching an integrally formed cold rolled steel coil into a net, so that the wallboard is resistant to earthquake and the impact of the wallboard meets the national standard.

2. According to the invention, the aramid paper film and the waterproof inhibitor coating structure are arranged on the surface of the wallboard, the aramid paper film is a good high-temperature-resistant flame-retardant fiber, the flame-retardant effect of the wallboard can be kept for a certain time when the wallboard is close to a high-temperature heat source, the internal polyurethane foam is protected, and the flame-retardant performance and the stability of the waterproof property of the whole wallboard are improved.

3. According to the invention, the polyurethane heat insulation layer plate structure is arranged on the surface of the substrate, so that the polyurethane rigid foam plate structure is compact and firm, is not easy to crack and permeate, has low water absorption rate, good heat insulation, light weight and outstanding heat insulation and waterproof effects, effectively avoids inner layer water seepage and water liquid residue of the wallboard, avoids foaming and mildew in the wallboard, and further prolongs the service life of the wallboard.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict. The description is intended to be illustrative only and is not intended to limit the scope of the present invention.

Example 1:

some embodiments of the invention provide a combined ceramsite lightweight wallboard.

The invention provides a combined ceramsite light wallboard, which comprises a wallboard substrate, wherein the wallboard substrate comprises wallboard surface layers positioned on two sides of the wallboard substrate, a heat-insulating wall core positioned between the wallboard surface layers on the two sides, and a fiber mesh layer embedded into the surface layer of the wallboard, the wallboard substrate is composed of concrete fillers and a metal woven mesh, the wallboard surface layers are coated on the outer sides of the heat-insulating wall cores on the two sides, and a waterproof inhibiting layer is arranged on the outer sides of the wallboard surface layers; the concrete of the wallboard substrate comprises the following components in parts by weight: 600 parts of cement clinker 500-containing materials, 190 parts of sand 170-containing materials, 220 parts of light ceramsite 200-containing materials, 145 parts of vitrified micro bubbles 125-containing materials, 1-2 parts of cellulose ether, 5-7 parts of water reducing agent, 1-2 parts of dispersing agent and 750 parts of water 740-containing materials, wherein the particle size range of the sand is 0.11-0.24mm, the average particle size is less than or equal to 0.2mm, and the content of SiO2 is more than or equal to 96 percent; the particle size range of the light ceramsite is 5mm-15mm, and the average particle size is less than or equal to 14 mm.

The present invention in a preferred example may be further configured to: the internal mold framework is formed by punching cold-rolled steel coils into meshes and rolling, the wire diameter of the specification is 1.5-3.0 mm, and the meshes have cellular areas smaller than or equal to 4 cm.

Wherein, the quality of the framework of the net-shaped internal mold punched by the cold rolled steel roll is light: the volume weight of the brick is 1/4 of common concrete, 1/2 of clay brick is about 92 kilograms per square meter, and the brick has strong crashworthiness: because of the integral forming, the shock resistance and the impact all accord with the national standard.

The wallboard substrate assembling method comprises the following steps: the corners of the door, the window and the L-shaped corner are well installed and fixed in advance so as to ensure the perpendicularity of the window edge and the corner; when the screen plates are installed, the screen plates are sequentially assembled from the door edge and the wall edge, adjacent screen plates are bound by No. 22 galvanized iron wires or fixed by rivets, the binding and fixing distance is not more than 300mm, the upper part and the lower part of each screen plate at the connecting part of the upper part and the lower part of each screen plate and L iron are not less than 2 points, the flatness finishing is carried out after the screen plates are assembled, and the guniting can be carried out after the finishing is finished and the experience is reduced; the cement mortar is sprayed by 1: 2-1: 2.5, the cement is made by 32.5 cement, and the waterproof inhibiting layer with the same structure is cut and pasted on the surface of the interface.

The present invention in a preferred example may be further configured to: the cellulose ether is prepared by crushing straw stalks, wheat stalks or corn stalks and carrying out etherification processing treatment by using a swelling agent, wherein the length of the fiber is 0.5-6 mm, and the density is 200-300 kg/m.

The cellulose ether has both hydrophilic groups (hydroxyl groups and ether groups) and hydrophobic groups (methyl groups and glucose rings), is a surfactant, has surface activity, and has an air entraining effect. The air-entraining effect of the cellulose ether can generate a ball effect, so that the working performance of the freshly mixed material can be improved, such as the plasticity and the smoothness of the mortar in the operation process are increased, and the mortar is favorably paved; the yield of mortar is also improved, and the production cost of mortar is reduced.

The present invention in a preferred example may be further configured to: the heat-insulating wall core is made of polyurethane rigid foam board materials and comprises the following components in parts by weight: 6-8 parts of combined polyol, 2-4 parts of foaming agent, 11-13 parts of isocyanate and 0.6-1.0 part of curing agent and flame retardant, wherein the foaming volume is 19-22 m for carrying out thin film growing.

The rigid polyurethane foam board has compact and firm structure, low water absorption, good heat insulation, light weight, high specific strength, vibration reduction, sound insulation, fire resistance, flame retardance and outstanding heat-preservation and waterproof effects, is not easy to crack and permeate; and the deformation adaptability to the main body structure is strong, when the attached main body structure generates normal deformation, such as contraction, creep, expansion and other conditions, the hard foam polyurethane thermal insulation system can flexibly and gradually change layer by layer, and release stress layer by layer, thereby effectively ensuring the stability and durability of the system, ensuring the omnibearing thermal insulation effect of complicated parts of a building, and not generating cracks or separation.

The present invention in a preferred example may be further configured to: the concrete of the wallboard substrate preferably comprises the following components in parts by weight: 580 parts of cement clinker 550-.

Furthermore, the average grain diameter of the sand is 0.15mm, and the grain diameter range is 0.14-0.18 mm; the particle size range of the light ceramsite is 8-11 mm, and the average particle size is less than or equal to 10 mm.

The present invention in a preferred example may be further configured to: the surface layer of the wallboard comprises an asbestos gypsum base layer and aramid fiber paper films with various colors, and the thickness of the asbestos gypsum base layer is less than or equal to 4 mm.

The aramid paper film is a good high-temperature-resistant flame-retardant fiber, can keep about 80% of the original strength at 200 ℃, and can still keep 65% -70% of the original strength after being continuously used for 100 hours at 260 ℃.

The present invention in a preferred example may be further configured to: the waterproof inhibiting layer is a mixture of sodium methyl silicate and potassium methyl silicate, and the ratio of the sodium methyl silicate to the potassium methyl silicate of the mixture of the sodium methyl silicate and the potassium methyl silicate is 1: 1.3.

among them, sodium methyl silicate and potassium methyl silicate are waterproof, color-protecting, pollution-preventing, aging-preventing of the building coating in the prior art, have been used in the exterior wall veneer extensively; the water-proof agent is used for water-proof treatment of aramid paper films with various colors, and can obviously increase the water content and maintain stable bonding strength.

Example 2:

the difference from example 1 is that: the wall board substrate comprises wall board surface layers positioned on two sides of the wall board substrate, a heat-insulating wall core positioned between the wall board surface layers on the two sides, and a fiber mesh layer embedded in the wall board surface layer, the wall board substrate is composed of concrete fillers and metal woven meshes, the wall board surface layers are coated on the outer sides of the heat-insulating wall cores on the two sides, and a waterproof inhibiting layer is arranged on the outer sides of the wall board surface layers; the concrete of the wallboard substrate comprises the following components in parts by weight: 600 parts of cement clinker 500-containing materials, 190 parts of sand 170-containing materials, 220 parts of light ceramsite 200-containing materials, 145 parts of vitrified micro bubbles 125-containing materials, 1-2 parts of cellulose ether, 5-7 parts of water reducing agent, 1-2 parts of dispersing agent, 5-8 parts of waterproof inhibitor and 750 parts of water 740-containing materials, wherein the particle size range of the sand is 0.11-0.24mm, the average particle size is less than or equal to 0.2mm, and the content of SiO2 is more than or equal to 96 percent; the particle size range of the light ceramsite is 5mm-15mm, and the average particle size is less than or equal to 14 mm; the waterproof inhibitor is a sodium methylsilicate preparation;

the embodiment has the advantages that after the sodium methylsilicate preparation is diluted into emulsion with certain concentration by water, the emulsion is sprayed and rolled on the surface of the wallboard substrate to permeate into pores of the substrate, and the emulsion is crosslinked into a waterproof breathable film under an alkaline condition. The emulsion type waterproof agent has the advantages that the emulsion type waterproof agent does not use a solvent, is environment-friendly and safe, the solvent or the bulk type waterproof agent is polysiloxane or alkyl silane with an active group, penetrates into capillary pores of a base material, and is crosslinked into a net structure under the action of an alkaline condition or a catalyst, the emulsion type waterproof agent has excellent water repellency, the penetration depth is greater than that of the emulsion type waterproof agent, the water resistance is durable, the maximum time can reach more than ten years, a wallboard substrate has certain waterproof performance, the phenomenon that the substrate foams and mildews due to accumulation of water in the wallboard is avoided, and the comprehensive waterproof performance of the wallboard is improved.

Comparative example 1:

the difference from example 1 is that: the wall board substrate comprises wall board surface layers positioned on two sides of the wall board substrate, a heat-insulating wall core positioned between the wall board surface layers on the two sides, and a fiber mesh layer embedded in the wall board surface layer, the wall board substrate is composed of concrete fillers and metal woven meshes, the wall board surface layers are coated on the outer sides of the heat-insulating wall cores on the two sides, and a waterproof inhibiting layer is arranged on the outer sides of the wall board surface layers; the concrete of the wallboard substrate comprises the following components in parts by weight: 600 parts of cement clinker 500-containing materials, 190 parts of sand 170-containing materials, 220 parts of light ceramsite 200-containing materials, 145 parts of vitrified micro bubbles 125-containing materials, 1-2 parts of cellulose ether, 5-7 parts of water reducing agent, 1-2 parts of dispersing agent and 750 parts of water 740-containing materials, wherein the particle size range of the sand is 0.11-0.24mm, the average particle size is less than or equal to 0.2mm, and the content of SiO2 is more than or equal to 96 percent; the particle size range of the light ceramsite is 5mm-15mm, and the average particle size is less than or equal to 14 mm; the waterproof inhibiting layer is an asbestos gypsum base layer structure which is repeatedly coated with waterproof layers; the waterproof layer is a mixture of sodium methyl silicate and potassium methyl silicate, and the ratio of the sodium methyl silicate to the potassium methyl silicate of the mixture of the sodium methyl silicate and the potassium methyl silicate is 1: 1.3.

performing a flame retardant test, respectively selecting the wallboard materials a and b of the embodiment 1 and the comparative example 1 with the same size and structure, respectively arranging the wallboard materials a and b on the surface of a high-temperature fire source and slowly approaching the fire source, monitoring the surface temperature of the wallboard, keeping the temperature at 200 ℃ for 10-15min, observing the surface change of the wallboard, and testing the waterproof performance;

according to the experimental result, in the experiment, the surface of the wallboard is seriously foamed and deformed under the action of high temperature, the surface waterproof layer is seriously peeled off, and the peeling phenomenon of the waterproof inhibiting layer is serious in the waterproof performance test; in a high-temperature experiment, the surface paper film of the wallboard material a is slightly deformed, and the waterproof performance is not obviously changed.

The experimental result shows that in the embodiment 1, the aramid paper film has good high-temperature-resistant flame retardance, and can effectively protect the outer surface layer of the wallboard for heat insulation and flame retardance treatment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.