阅读说明：本技术 一种基于建筑垃圾回收的复合板加工方法 (Composite board processing method based on construction waste recovery ) 是由 吴建清 于 2020-12-17 设计创作，主要内容包括：本发明公开了建筑材料技术领域的一种基于建筑垃圾回收的复合板加工方法,该基于建筑垃圾回收的复合板加工方法包括如下步骤：对建筑垃圾进行破碎处理,去除其中的金属件；将去除金属件的建筑垃圾置于粉碎机内进行粉碎,制得砂石,并利用电磁铁对砂石中的残余金属进行吸附,并通过震动筛筛选出符合尺寸的砂石；依次将骨料、阻燃剂、保温材料以及粘合剂投入到搅拌机内进行搅拌混合,制得基板；依次将骨料、玻璃纤维以及粘合剂投入到搅拌机内进行搅拌混合,制得外护层浆料,将混合好的浆料直接浇筑在基板的外表面,制得成品,本发明利用建筑垃圾制造复合板,有效的降低了原料成本,提高符合板的强度以及抗霉菌能力。(The invention discloses a composite board processing method based on construction waste recovery in the technical field of building materials, which comprises the following steps: carrying out crushing treatment on the construction waste to remove metal parts in the construction waste; placing the construction waste without the metal parts in a crusher for crushing to prepare sand stones, adsorbing residual metals in the sand stones by using electromagnets, and screening out the sand stones with the sizes according with the sizes by using a vibrating screen; sequentially putting the aggregate, the flame retardant, the heat-insulating material and the adhesive into a stirrer, and stirring and mixing to obtain a substrate; the aggregate, the glass fiber and the adhesive are sequentially put into a stirrer to be stirred and mixed to prepare the outer protective layer slurry, and the mixed slurry is directly poured on the outer surface of the base plate to prepare a finished product.)

1. A composite board processing method based on construction waste recovery is characterized in that: the composite board processing method based on construction waste recovery comprises the following steps:

s1: preparing materials: building garbage: 70-80 parts of adhesive: 100-120 parts of flame retardant: 30-45 parts of glass fiber: 55-60 parts of heat-insulating material: 20-35 parts;

s2: crushing: carrying out crushing treatment on the construction waste to remove metal parts in the construction waste;

s3: crushing and screening: placing the construction waste without the metal parts in a crusher for crushing to prepare sand stones, adsorbing residual metals in the sand stones by using electromagnets, and screening out the sand stones with the sizes according with the sizes by using a vibrating screen;

s4: thinning: conveying the screened sand and stone to a vertical shaft impact type crushing main machine through a conveying belt for crushing and refining to prepare finished aggregate;

s5: pouring a base plate: sequentially putting aggregate, a flame retardant, a heat insulation material and an adhesive into a stirrer to be stirred and mixed to prepare substrate slurry, pouring the substrate slurry into a mold to be kept stand for molding to prepare a substrate;

s6: pouring an outer protective layer: and sequentially putting the aggregate, the glass fiber and the adhesive into a stirrer to be stirred and mixed to prepare the outer protective layer slurry, and directly pouring the mixed slurry on the outer surface of the substrate to prepare a finished product.

2. The composite board processing method based on construction waste recovery according to claim 1, characterized in that: the adhesive in the step S1 is compounded by modified polyurethane and carboxymethyl cellulose.

3. The composite board processing method based on construction waste recovery according to claim 1, characterized in that: the flame retardant in the step S1 is compounded by two or more of antimony trioxide, magnesium hydroxide and aluminum hydroxide.

4. The composite board processing method based on construction waste recovery according to claim 1, characterized in that: the heat insulating material in the step S1 is compounded by two or more than two of expanded perlite, alumina and silicon carbide fiber.

5. The composite board processing method based on construction waste recovery according to claim 1, characterized in that: the diameter of the sand screened in the step S3 is 30-40 mm.

6. The composite board processing method based on construction waste recovery according to claim 1, characterized in that: the diameter of the aggregate in the step S4 is 1-4 mm.

7. The composite board processing method based on construction waste recovery according to claim 1, characterized in that: the stirring time of the substrate slurry in the step S5 is 30-45 minutes, and the standing time is 1-2 hours.

8. The composite board processing method based on construction waste recovery according to claim 1, characterized in that: the stirring time of the outer protective layer slurry in the step S6 is 15-20 minutes, and the standing time is 1-1.5 hours.

Technical Field

The invention relates to the technical field of building materials, in particular to a composite board processing method based on building garbage recovery.

Background

Construction materials are various materials used in construction works. The building materials are various in types, and are roughly divided into: (1) inorganic materials, including metallic materials (including ferrous and non-ferrous materials) and non-metallic materials (such as natural stone, burnt earth products, cement, concrete, silicate products, etc.). (2) Organic materials, including plant materials, synthetic polymer materials (including plastics, paints, adhesives) and asphalt materials. (3) Composite materials, including asphalt concrete, polymer concrete, etc., are generally made by compounding inorganic non-metallic materials with organic materials.

Composite panels are generally divided into: metal composite panels, wood composite panels, color steel composite panels, rock wool composite panels, and the like. The composite board has a board formed by layering different materials with different functions. Such as concrete for roofing, foam insulation and surface waterproofing.

The sandstone raw materials used by the existing concrete composite board mainly use mine rocks such as granite, limestone and the like as the raw materials of the sandstone, so that the processing cost is increased, and the strength and the anti-mildew performance of the existing composite board are insufficient, so that the quality of the composite board is seriously influenced.

Disclosure of Invention

The invention aims to provide a composite board processing method based on construction waste recovery, and aims to solve the problems that the sandstone raw materials used by the existing concrete composite board in the background technology mainly use mine rocks such as granite and limestone as the raw materials of sandstone, the processing cost is increased, the strength and the anti-mildew performance of the existing composite board are insufficient, and the quality of the composite board is seriously influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a composite board processing method based on construction waste recovery comprises the following steps:

s1: preparing materials: building garbage: 70-80 parts of adhesive: 100-120 parts of flame retardant: 30-45 parts of glass fiber: 55-60 parts of heat-insulating material: 20-35 parts;

s2: crushing: carrying out crushing treatment on the construction waste to remove metal parts in the construction waste;

s3: crushing and screening: placing the construction waste without the metal parts in a crusher for crushing to prepare sand stones, adsorbing residual metals in the sand stones by using electromagnets, and screening out the sand stones with the sizes according with the sizes by using a vibrating screen;

s4: thinning: conveying the screened sand and stone to a vertical shaft impact type crushing main machine through a conveying belt for crushing and refining to prepare finished aggregate;

s5: pouring a base plate: sequentially putting aggregate, a flame retardant, a heat insulation material and an adhesive into a stirrer to be stirred and mixed to prepare substrate slurry, pouring the substrate slurry into a mold to be kept stand for molding to prepare a substrate;

s6: pouring an outer protective layer: and sequentially putting the aggregate, the glass fiber and the adhesive into a stirrer to be stirred and mixed to prepare the outer protective layer slurry, and directly pouring the mixed slurry on the outer surface of the substrate to prepare a finished product.

Preferably, the adhesive in step S1 is compounded by modified polyurethane and carboxymethyl cellulose.

Preferably, the flame retardant in step S1 is compounded by two or more of antimony trioxide, magnesium hydroxide and aluminum hydroxide.

Preferably, the heat insulating material in step S1 is prepared by compounding two or more of expanded perlite, alumina and silicon carbide fiber.

Preferably, the diameter of the sand sieved in the step S3 is 30-40 mm.

Preferably, the diameter of the aggregate in the step S4 is 1-4 mm.

Preferably, the substrate slurry in step S5 is stirred for 30 to 45 minutes, and is allowed to stand for 1 to 2 hours.

Preferably, the stirring time of the outer sheath slurry in the step S6 is 15 to 20 minutes, and the standing time is 1 to 1.5 hours.

Compared with the prior art, the invention has the beneficial effects that: the invention utilizes the construction waste to manufacture the composite board, effectively reduces the cost of raw materials, improves the strength and the anti-mould capability of the composite board, crushes the construction waste to remove metal parts therein, crushes the construction waste without the metal parts in a crusher to prepare sand stones, adsorbs residual metals in the sand stones by using electromagnets, screens out the sand stones with the same size by using a vibrating screen, conveys the screened sand stones to a vertical shaft impact type crushing main machine by using a conveying belt to crush and refine to prepare finished aggregate, sequentially puts aggregate, fire retardant, heat insulation material and adhesive into a stirrer to stir and mix to prepare substrate slurry, pours the substrate slurry into a mould to stand and form to prepare a substrate, sequentially puts aggregate, glass fiber and adhesive into the stirrer to stir and mix to prepare outer protective layer slurry, the mixed slurry is directly poured on the outer surface of the base plate to prepare a finished product, the construction waste is used as a raw material, the cost of the raw material is reduced, and the strength and the anti-mildew effect of the composite board are improved through the modified polyurethane and the carboxymethyl cellulose.

Drawings

FIG. 1 is a flow chart of the processing method of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a method for processing a composite board based on construction waste recovery, which utilizes the construction waste to manufacture the composite board, effectively reduces the cost of raw materials, improves the strength and the anti-mould capability of the composite board, please refer to figure 1,

the composite board processing method based on construction waste recovery comprises the following steps:

s1: preparing materials: building garbage: 70-80 parts of adhesive: 100-120 parts of flame retardant: 30-45 parts of glass fiber: 55-60 parts of heat-insulating material: 20-35 parts of adhesive, wherein the adhesive is prepared by compounding modified polyurethane and carboxymethyl cellulose, the modified polyurethane is prepared by mixing silicon dioxide nano-fiber and a polyurethane matrix, the adhesive property of the adhesive, the hardness and the tensile strength of an adhesive film are improved, but the colloid viscosity is also increased, so that the strength of a plate body is improved, the carboxymethyl cellulose improves the anti-mold effect of the plate body, the flame retardant is prepared by compounding two or more of antimony trioxide, magnesium hydroxide and aluminum hydroxide, and the heat-insulating material is prepared by compounding two or more of expanded perlite, aluminum oxide and silicon carbide fiber;

s2: crushing: carrying out crushing treatment on the construction waste to remove metal parts in the construction waste;

s3: crushing and screening: placing the construction waste without the metal parts in a crusher for crushing to prepare sand, adsorbing residual metals in the sand by using an electromagnet, and screening the sand according with the size by using a vibrating screen, wherein the diameter of the sand is 30-40 mm;

s4: thinning: conveying the screened sand and stone to a vertical shaft impact type crushing main machine through a conveying belt for crushing and refining to prepare finished aggregate, wherein the diameter of the aggregate is 1-4 mm;

s5: pouring a base plate: putting aggregate, a flame retardant, a heat-insulating material and an adhesive into a stirrer in sequence, stirring and mixing to prepare substrate slurry, wherein the stirring time is 30-45 minutes, pouring the substrate slurry into a mould, standing and molding, and the standing time is 1-2 hours to prepare a substrate;

s6: pouring an outer protective layer: and sequentially putting the aggregate, the glass fiber and the adhesive into a stirrer to be stirred and mixed to prepare the slurry of the outer protective layer, wherein the mixing time is 15-20 minutes, the mixed slurry is directly poured on the outer surface of the substrate, and the mixture is kept stand for 1-1.5 hours to prepare a finished product.

Example 1

The composite board processing method based on construction waste recovery comprises the following steps:

s1: preparing materials: building garbage: 70 parts of adhesive: 100 parts of flame retardant: 30 parts of glass fiber: 55 parts of heat-insulating material: 20 parts of adhesive, wherein the adhesive is prepared by compounding modified polyurethane and carboxymethyl cellulose, the modified polyurethane is prepared by mixing silicon dioxide nano-fiber and a polyurethane matrix, the adhesive property of the adhesive, the hardness and the tensile strength of an adhesive film are improved, but the colloid viscosity is also increased, so that the strength of a plate body is improved, the carboxymethyl cellulose improves the anti-mould effect of the plate body, the flame retardant is prepared by compounding two or more of antimony trioxide, magnesium hydroxide and aluminum hydroxide, and the heat-insulating material is prepared by compounding two or more of expanded perlite, aluminum oxide and silicon carbide fiber;

s2: crushing: carrying out crushing treatment on the construction waste to remove metal parts in the construction waste;

s3: crushing and screening: placing the construction waste without the metal parts in a crusher for crushing to prepare sand stones, adsorbing residual metals in the sand stones by using electromagnets, and screening out sand stones with the sizes meeting the requirements through a vibrating screen, wherein the diameters of the sand stones are 30 mm;

s4: thinning: conveying the screened sand and stone to a vertical shaft impact type crushing main machine through a conveying belt for crushing and refining to prepare finished aggregate, wherein the diameter of the aggregate is 1 mm;

s5: pouring a base plate: putting aggregate, a flame retardant, a heat-insulating material and an adhesive into a stirrer in sequence, stirring and mixing to prepare substrate slurry, wherein the stirring time is 30 minutes, pouring the substrate slurry into a mould, standing and molding, and standing for 1 hour to prepare a substrate;

s6: pouring an outer protective layer: and sequentially putting the aggregate, the glass fiber and the adhesive into a stirrer, stirring and mixing to prepare the outer protective layer slurry, wherein the mixing time is 15 minutes, directly pouring the mixed slurry on the outer surface of the substrate, and standing for 1 hour to prepare a finished product.

Example 2

The composite board processing method based on construction waste recovery comprises the following steps:

s1: preparing materials: building garbage: 75 parts of adhesive: 110 parts of flame retardant: 37 parts of glass fiber: 57 parts of heat-insulating material: 29 parts of adhesive, wherein the adhesive is prepared by compounding modified polyurethane and carboxymethyl cellulose, the modified polyurethane is prepared by mixing silicon dioxide nano-fiber and a polyurethane matrix, the adhesive property of the adhesive, the hardness and the tensile strength of an adhesive film are improved, but the colloid viscosity is also increased, so that the strength of a plate body is improved, the carboxymethyl cellulose improves the anti-mould effect of the plate body, the flame retardant is prepared by compounding two or more of antimony trioxide, magnesium hydroxide and aluminum hydroxide, and the heat-insulating material is prepared by compounding two or more of expanded perlite, aluminum oxide and silicon carbide fiber;

s2: crushing: carrying out crushing treatment on the construction waste to remove metal parts in the construction waste;

s3: crushing and screening: placing the construction waste without the metal parts in a crusher for crushing to prepare sand stones, adsorbing residual metals in the sand stones by using electromagnets, and screening out sand stones with the sizes according with the diameter of 35mm by using a vibrating screen;

s4: thinning: conveying the screened sand and stone to a vertical shaft impact type crushing main machine through a conveying belt for crushing and refining to prepare finished aggregate, wherein the diameter of the aggregate is 3 mm;

s5: pouring a base plate: putting aggregate, a flame retardant, a heat-insulating material and an adhesive into a stirrer in sequence, stirring and mixing to prepare substrate slurry, wherein the stirring time is 36 minutes, pouring the substrate slurry into a mould, standing and molding, and standing for 1 hour to prepare a substrate;

s6: pouring an outer protective layer: and sequentially putting the aggregate, the glass fiber and the adhesive into a stirrer, stirring and mixing to prepare the outer protective layer slurry, wherein the mixing time is 17 minutes, directly pouring the mixed slurry on the outer surface of the substrate, and standing for 1.5 hours to prepare the finished product.

Example 3

The composite board processing method based on construction waste recovery comprises the following steps:

s1: preparing materials: building garbage: 80 parts of adhesive: 120 parts of flame retardant: 45 parts of glass fiber: 60 parts of heat-insulating material: 35 parts of adhesive, wherein the adhesive is compounded by modified polyurethane and carboxymethyl cellulose, the modified polyurethane is formed by mixing silicon dioxide nano fibers and a polyurethane matrix, the adhesive property of the adhesive, the hardness and the tensile strength of an adhesive film are improved, but the colloid viscosity is also increased, so that the strength of a plate body is improved, the carboxymethyl cellulose improves the anti-mold effect of the plate body, the flame retardant is compounded by two or more of antimony trioxide, magnesium hydroxide and aluminum hydroxide, and the heat-insulating material is compounded by two or more of expanded perlite, aluminum oxide and silicon carbide fibers;

s2: crushing: carrying out crushing treatment on the construction waste to remove metal parts in the construction waste;

s3: crushing and screening: placing the construction waste without the metal parts in a crusher for crushing to prepare sand stones, adsorbing residual metals in the sand stones by using electromagnets, and screening out sand stones with the sizes meeting the requirements through a vibrating screen, wherein the diameters of the sand stones are 40 mm;

s4: thinning: conveying the screened sand and stone to a vertical shaft impact type crushing main machine through a conveying belt for crushing and refining to prepare finished aggregate, wherein the diameter of the aggregate is 4 mm;

s5: pouring a base plate: putting aggregate, a flame retardant, a heat-insulating material and an adhesive into a stirrer in sequence, stirring and mixing to prepare substrate slurry, wherein the stirring time is 45 minutes, pouring the substrate slurry into a mould, standing and molding, and standing for 2 hours to prepare a substrate;

s6: pouring an outer protective layer: and sequentially putting the aggregate, the glass fiber and the adhesive into a stirrer, stirring and mixing to prepare the outer protective layer slurry, wherein the mixing time is 20 minutes, directly pouring the mixed slurry on the outer surface of the substrate, and standing for 1.5 hours to prepare the finished product.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.