CN108218356B - Preparation method of solid waste composite water seepage material - Google Patents
Preparation method of solid waste composite water seepage material Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
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- C04B2111/00284—Materials permeable to liquids
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Abstract
A preparation method of a solid waste composite water permeable material comprises the following steps: adding 15-25 parts of water and 10-20 parts of an additive into 45-55 parts of cement according to parts by weight, stirring for 1-2 min, adding 120-180 parts of solid waste coarse aggregate, continuously stirring for 1-2 min, adding 100-120 parts of solid waste fine aggregate, uniformly stirring, and pouring to obtain a base material with the thickness of 2-3 cm; taking 80-100 parts by weight of thermoplastic plastic, 5-10 parts by weight of water-absorbent resin and 30-35 parts by weight of reinforcing fiber, putting the thermoplastic plastic into an injection molding machine, heating to 75-110 ℃, adding the water-absorbent resin and the reinforcing fiber for multiple times, stirring uniformly, and injecting on the surface of a base material to form a surface material with the thickness of 0.5-1 cm; the water permeable material prepared by the invention has both water permeability and pressure resistance.
Description
Technical Field
The invention relates to the field of water permeable materials, in particular to a preparation method of a solid waste composite water permeable material.
Background
At present, the places where urban residents live are mainly surrounded by urban squares, commercial streets, sidewalks, community places, parking lots and the like which are paved by water-impermeable materials such as granite, marble, glazed bricks, cement, asphalt and the like, the hardened ground has great harm to the urban environment, and when raining, the hardened ground completely prevents rainwater from directly permeating into the ground, and the full-area water accumulation causes inconvenience for people to go out; when not raining, the hardened ground is very dry again, piles up dust easily, causes the situation that dust flies upward everywhere, and ground and air carry out the exchange of heat, moisture more difficult, and the ability of adjusting city earth's surface temperature, humidity also follows the step-down, and ground still can reflect in a large number, remain and release the radiant heat of sun, has greatly increased the heat island effect in city, makes the environmental comfort degree greatly reduced in city.
The water permeable materials of some water permeable bricks, water permeable pavements and the like in the field of building materials in the market at present mainly comprise large-particle frameworks and cement or artificially treated sand and a high-molecular binder, and have the problems that the water permeability of the cement water permeable bricks is low or the compressive strength is insufficient, so that the performance of the cement water permeable bricks is difficult to be considered, and the exploitation of raw materials causes damage to the environment; according to statistics, the discharge amount of solid wastes such as steel slag, ferrochrome slag, coal gangue and the like is extremely large, about 180Kg of steel slag is discharged when 1 ton of crude steel is produced, the discharge amount of ferrochrome slag is increased at a speed of more than 40 ten thousand tons every year, and if the solid wastes are not comprehensively utilized, the solid wastes deposit rivers, fill water channels, occupy land, pollute water sources and air and cause environmental hazards; because the solid wastes have a porous structure and certain strength, the solid wastes can be used for manufacturing the water permeable material, so that the discharge of the solid wastes can be reduced, resources can be utilized, and the win-win purpose is achieved.
Disclosure of Invention
The invention aims to solve the technical problems, and provides a preparation method of a solid waste composite water permeable material, which comprises a base material and a surface material, wherein the base material is composed of cement, solid waste coarse aggregates and solid waste fine aggregates, the surface material is composed of thermoplastic plastics, water-absorbent resin and reinforcing fibers, and the water permeability and the pressure resistance can be achieved at the same time.
The technical scheme adopted by the invention for solving the defects of the technical problems is as follows: a preparation method of a solid waste composite water permeable material comprises the following steps:
(1) taking 45-55 parts by weight of cement, 120-180 parts by weight of solid waste coarse aggregate, 100-120 parts by weight of solid waste fine aggregate, 10-20 parts by weight of additive and 15-25 parts by weight of water, adding the water and the additive into the cement, stirring for 1-2 min, adding the solid waste coarse aggregate, continuously stirring for 1-2 min, adding the solid waste fine aggregate, uniformly stirring, and pouring to prepare a base material with the thickness of 2-3 cm for later use;
(2) taking 80-100 parts by weight of thermoplastic plastic, 5-10 parts by weight of water-absorbent resin and 30-35 parts by weight of reinforcing fiber, putting the thermoplastic plastic into an injection molding machine, heating to 75-110 ℃, adding the water-absorbent resin and the reinforcing fiber for multiple times, uniformly stirring, and injecting on the surface of the base material prepared in the step (1) to form a surface layer material with the thickness of 0.5-1 cm.
Further, the preparation method of the solid waste coarse aggregate comprises the following steps:
(1) water quenching the steel slag, the ferrochromium slag and the coal gangue which come out from high temperature to form porous slag with large internal pore diameter;
(2) taking one or more of steel slag, ferrochromium slag and porous slag of coal gangue, and putting the steel slag, the ferrochromium slag and the porous slag of the coal gangue into a crusher to be crushed into particles of 5-10 mm;
(3) and then 5-10 parts of silicone oil, 20-30 parts of polyacrylic acid emulsion, 0.5-1 part of surfactant, 5-10 parts of organic solvent and 89-100 parts of water are taken according to parts by weight to prepare a modified solution, the crushed particles are put into the modified solution for surface hydrophobic modification treatment, and the treated particles are dried to prepare the solid waste coarse aggregate.
Further, the preparation method of the solid waste fine aggregate comprises the following steps:
(1) naturally cooling the steel slag, the ferrochromium slag and the coal gangue which come out from the high temperature to form compact slag with small internal pore diameter;
(2) taking one or more of steel slag, ferrochrome slag and dense slag of coal gangue, crushing, putting into a ball mill, grinding into fine powder, adding kaolin accounting for 10-15% of the total weight of the fine powder and water accounting for 3-5% of the total weight of the fine powder, uniformly mixing, granulating, controlling the particle size to be 0.1-6 mm, drying, putting into a high-temperature furnace, sintering at 1300-1350 ℃ for 1-2 h, and cooling with the furnace to prepare particles with the particle size of 0.08-0.5 mm for later use;
(3) and then 5-10 parts of silicone oil, 20-30 parts of polyacrylic emulsion, 0.5-1 part of surfactant, 5-10 parts of organic solvent and 89-100 parts of water are taken according to parts by weight to prepare a modified solution, the cooled particles are put into the modified solution for surface hydrophobic modification treatment, and the modified solution is dried to prepare the solid waste fine aggregate.
Further, the cement is aluminate cement, and the additive is an antifreezing agent.
Further, the thermoplastic plastic is any one of polyethylene, polypropylene, polyvinyl chloride, polycarbonate, polyvinyl alcohol, polyacrylic acid and polyamide plastic.
Further, the reinforcing fiber is any one or combination of any several of absorbent cotton fiber, absorbent hemp fiber, bamboo fiber, polyethylene fiber, polypropylene fiber, polyvinyl chloride fiber, polystyrene fiber, polyamide fiber and polyester fiber.
The invention has the beneficial effects that:
the invention provides a solid waste composite water-permeable material which comprises a base material and a surface layer material poured on the surface of the base material, wherein the base material comprises the following components: the concrete comprises cement, solid waste coarse aggregate, solid waste fine aggregate, an additive and water, wherein the solid waste coarse aggregate comprises particles with the particle size of 5-10 mm which are obtained by crushing one or a mixture of more of steel slag, chromium-iron slag and coal gangue, the solid waste fine aggregate comprises particles with the particle size of 0.08-5 mm which are prepared by firing fine powder prepared by one or a mixture of more of steel slag, chromium-iron slag and coal gangue, and then the particles are put into a modification liquid for surface hydrophobic modification treatment, so that a layer of compact film is formed on the surface of the aggregate and the surfaces of pores, an interface transition area can be optimized, a channel for exchanging water and ions with the outside is blocked, the water absorption performance of the aggregate is prevented from being lowered, and the hydrophobic treatment can ensure that the water flowing through the aggregate and the pores inside the aggregate is not absorbed by the aggregate and can permeate; the surface layer material is prepared by taking thermoplastic as a matrix and taking water-absorbent resin and reinforcing fibers as reinforcements to be dispersed in the thermoplastic matrix, the water-absorbent resin can absorb surface moisture, and the unabsorbed moisture can permeate into the base material, so that the strength of the material can be improved by adding the reinforcing fibers; the water permeable material is prepared from solid wastes such as steel slag, ferrochrome slag, coal gangue and the like, changes waste into valuable, has low price and good water permeability compared with resin type water permeable materials, can be widely applied to water permeable layers of pavements, parks, residential quarters and other pavements, and is beneficial to underground water circulation.
Detailed Description
The invention is further illustrated with reference to specific examples.
The specific implementation mode is as follows:
a preparation method of a solid waste composite water permeable material comprises the following steps:
(1) taking 45-55 parts by weight of cement, 120-180 parts by weight of solid waste coarse aggregate, 100-120 parts by weight of solid waste fine aggregate, 10-20 parts by weight of additive and 15-25 parts by weight of water, adding the water and the additive into the cement, stirring for 1-2 min, adding the solid waste coarse aggregate, continuously stirring for 1-2 min, adding the solid waste fine aggregate, uniformly stirring, and pouring to prepare a base material with the thickness of 2-3 cm for later use;
(2) taking 80-100 parts by weight of thermoplastic plastic, 5-10 parts by weight of water-absorbent resin and 30-35 parts by weight of reinforcing fiber, putting the thermoplastic plastic into an injection molding machine, heating to 75-110 ℃, adding the water-absorbent resin and the reinforcing fiber for multiple times, uniformly stirring, and injecting on the surface of the base material prepared in the step (1) to form a surface layer material with the thickness of 0.5-1 cm.
Further, the preparation method of the solid waste coarse aggregate comprises the following steps:
(1) water quenching the steel slag, the ferrochromium slag and the coal gangue which come out from high temperature to form porous slag with large internal pore diameter;
(2) taking one or more of steel slag, ferrochromium slag and porous slag of coal gangue, and putting the steel slag, the ferrochromium slag and the porous slag of the coal gangue into a crusher to be crushed into particles of 5-10 mm;
(3) and then 5-10 parts of silicone oil, 20-30 parts of polyacrylic acid emulsion, 0.5-1 part of surfactant, 5-10 parts of organic solvent and 89-100 parts of water are taken according to parts by weight to prepare a modified solution, the crushed particles are put into the modified solution for surface hydrophobic modification treatment, and the treated particles are dried to prepare the solid waste coarse aggregate.
Further, the preparation method of the solid waste fine aggregate comprises the following steps:
(1) naturally cooling the steel slag, the ferrochromium slag and the coal gangue which come out from the high temperature to form compact slag with small internal pore diameter;
(2) taking one or more of steel slag, ferrochrome slag and dense slag of coal gangue, crushing, putting into a ball mill, grinding into fine powder, adding kaolin accounting for 10-15% of the total weight of the fine powder and water accounting for 3-5% of the total weight of the fine powder, uniformly mixing, granulating, controlling the particle size to be 0.1-6 mm, drying, putting into a high-temperature furnace, sintering at 1300-1350 ℃ for 1-2 h, and cooling with the furnace to prepare particles with the particle size of 0.08-0.5 mm for later use;
(3) and then 5-10 parts of silicone oil, 20-30 parts of polyacrylic emulsion, 0.5-1 part of surfactant, 5-10 parts of organic solvent and 89-100 parts of water are taken according to parts by weight to prepare a modified solution, the cooled particles are put into the modified solution for surface hydrophobic modification treatment, and the modified solution is dried to prepare the solid waste fine aggregate.
Further, the cement is aluminate cement, and the additive is an antifreezing agent.
Further, the thermoplastic plastic is any one of polyethylene, polypropylene, polyvinyl chloride, polycarbonate, polyvinyl alcohol, polyacrylic acid and polyamide plastic.
Further, the reinforcing fiber is any one or combination of any several of absorbent cotton fiber, absorbent hemp fiber, bamboo fiber, polyethylene fiber, polypropylene fiber, polyvinyl chloride fiber, polystyrene fiber, polyamide fiber and polyester fiber.
Example 1
A preparation method of a solid waste composite water permeable material comprises the following steps:
(1) taking 45 parts by weight of cement, 120 parts by weight of solid waste coarse aggregate, 100 parts by weight of solid waste fine aggregate, 10 parts by weight of additive and 15 parts by weight of water, adding the water and the additive into the cement, stirring for 1-2 min, adding the solid waste coarse aggregate, continuously stirring for 1-2 min, adding the solid waste fine aggregate, uniformly stirring, and pouring to prepare a base material with the thickness of 2cm for later use;
(2) taking 80 parts by weight of thermoplastic plastic, 5 parts by weight of water-absorbent resin and 30 parts by weight of reinforcing fiber, putting the thermoplastic plastic into an injection molding machine, heating to 75 ℃, adding the water-absorbent resin and the reinforcing fiber for multiple times, stirring uniformly, and injecting on the surface of the base material prepared in the step (1) to form a surface material with the thickness of 0.5 cm.
Further, the preparation method of the solid waste coarse aggregate comprises the following steps:
(1) water quenching the steel slag, the ferrochromium slag and the coal gangue which come out from high temperature to form porous slag with large internal pore diameter;
(2) taking one or more of steel slag, ferrochromium slag and porous slag of coal gangue, and putting the steel slag, the ferrochromium slag and the porous slag of the coal gangue into a crusher to be crushed into particles of 5-10 mm;
(3) and then 5 parts of silicone oil, 20 parts of polyacrylic emulsion, 0.5 part of surfactant, 5 parts of organic solvent and 89 parts of water are taken according to the parts by weight to prepare a modified solution, the crushed particles are put into the modified solution for surface hydrophobic modification treatment, and the crushed particles are dried after the treatment to obtain the solid waste coarse aggregate.
Further, the preparation method of the solid waste fine aggregate comprises the following steps:
(1) naturally cooling the steel slag, the ferrochromium slag and the coal gangue which come out from the high temperature to form compact slag with small internal pore diameter;
(2) taking one or more of steel slag, ferrochrome slag and dense slag of coal gangue, crushing, putting into a ball mill, grinding into fine powder, adding kaolin accounting for 10% of the total weight of the fine powder and water accounting for 3% of the total weight of the fine powder, uniformly mixing, granulating, controlling the particle size to be 0.1-6 mm, drying, putting into a high-temperature furnace, sintering at 1300 ℃ for 1-2 h, and cooling with the furnace to obtain particles with the particle size of 0.08-0.5 mm for later use;
(3) and then 5 parts of silicone oil, 20 parts of polyacrylic emulsion, 0.5 part of surfactant, 5 parts of organic solvent and 89 parts of water are taken according to the parts by weight to prepare a modified solution, the cooled particles are put into the modified solution for surface hydrophobic modification treatment, and the solid waste fine aggregate can be prepared after the treatment and the air drying.
Further, the cement is aluminate cement, and the additive is an antifreezing agent.
Further, the thermoplastic plastic is any one of polyethylene, polypropylene, polyvinyl chloride, polycarbonate, polyvinyl alcohol, polyacrylic acid and polyamide plastic.
Further, the reinforcing fiber is any one or combination of any several of absorbent cotton fiber, absorbent hemp fiber, bamboo fiber, polyethylene fiber, polypropylene fiber, polyvinyl chloride fiber, polystyrene fiber, polyamide fiber and polyester fiber.
Example 2
A preparation method of a solid waste composite water permeable material comprises the following steps:
(1) taking 50 parts by weight of cement, 150 parts by weight of solid waste coarse aggregate, 110 parts by weight of solid waste fine aggregate, 15 parts by weight of additive and 20 parts by weight of water, adding the water and the additive into the cement, stirring for 1-2 min, adding the solid waste coarse aggregate, continuously stirring for 1-2 min, adding the solid waste fine aggregate, uniformly stirring, and pouring to prepare a base material with the thickness of 2.5cm for later use;
(2) according to the weight parts, 90 parts of thermoplastic plastic, 8 parts of water-absorbent resin and 32 parts of reinforcing fiber are taken, the thermoplastic plastic is placed into an injection molding machine to be heated to 85 ℃, the water-absorbent resin and the reinforcing fiber are added for many times, and after the mixture is uniformly stirred, the surface layer material with the thickness of 0.8cm is formed on the surface of the base layer material prepared in the step (1).
Further, the preparation method of the solid waste coarse aggregate comprises the following steps:
(1) water quenching the steel slag, the ferrochromium slag and the coal gangue which come out from high temperature to form porous slag with large internal pore diameter;
(2) taking one or more of steel slag, ferrochromium slag and porous slag of coal gangue, and putting the steel slag, the ferrochromium slag and the porous slag of the coal gangue into a crusher to be crushed into particles of 5-10 mm;
(3) and then 8 parts of silicone oil, 25 parts of polyacrylic emulsion, 0.8 part of surfactant, 8 parts of organic solvent and 95 parts of water are taken according to parts by weight to prepare a modified solution, the crushed particles are put into the modified solution for surface hydrophobic modification treatment, and the crushed particles are dried after the treatment to obtain the solid waste coarse aggregate.
Further, the preparation method of the solid waste fine aggregate comprises the following steps:
(1) naturally cooling the steel slag, the ferrochromium slag and the coal gangue which come out from the high temperature to form compact slag with small internal pore diameter;
(2) crushing one or more of steel slag, ferrochrome slag and dense slag of coal gangue, grinding the crushed steel slag, the crushed steel slag and the dense slag of the coal gangue into fine powder in a ball mill, adding kaolin accounting for 12 percent of the total weight of the fine powder and water accounting for 4 percent of the total weight of the fine powder, uniformly mixing, granulating, controlling the particle size to be 0.1-6 mm, drying, placing the dried steel slag into a high-temperature furnace, sintering at 1320 ℃ for 1-2 hours, and cooling the dried steel slag with the furnace to obtain particles with the particle size of 0.08-0.5;
(3) and then 8 parts of silicone oil, 25 parts of polyacrylic emulsion, 0.8 part of surfactant, 8 parts of organic solvent and 95 parts of water are taken according to parts by weight to prepare a modified solution, the cooled particles are put into the modified solution for surface hydrophobic modification treatment, and the modified particles are dried after the treatment to obtain the solid waste fine aggregate.
Further, the cement is aluminate cement, and the additive is an antifreezing agent.
Further, the thermoplastic plastic is any one of polyethylene, polypropylene, polyvinyl chloride, polycarbonate, polyvinyl alcohol, polyacrylic acid and polyamide plastic.
Further, the reinforcing fiber is any one or combination of any several of absorbent cotton fiber, absorbent hemp fiber, bamboo fiber, polyethylene fiber, polypropylene fiber, polyvinyl chloride fiber, polystyrene fiber, polyamide fiber and polyester fiber.
Example 3
A preparation method of a solid waste composite water permeable material comprises the following steps:
(1) taking 55 parts by weight of cement, 180 parts by weight of solid waste coarse aggregate, 120 parts by weight of solid waste fine aggregate, 20 parts by weight of additive and 25 parts by weight of water, adding the water and the additive into the cement, stirring for 1-2 min, adding the solid waste coarse aggregate, continuously stirring for 1-2 min, adding the solid waste fine aggregate, uniformly stirring, and pouring to prepare a base material with the thickness of 3cm for later use;
(2) taking 100 parts by weight of thermoplastic plastic, 10 parts by weight of water-absorbent resin and 35 parts by weight of reinforcing fiber, putting the thermoplastic plastic into an injection molding machine, heating to 110 ℃, adding the water-absorbent resin and the reinforcing fiber for multiple times, stirring uniformly, and injecting on the surface of the base material prepared in the step (1) to form a surface material with the thickness of 1 cm.
Further, the preparation method of the solid waste coarse aggregate comprises the following steps:
(1) water quenching the steel slag, the ferrochromium slag and the coal gangue which come out from high temperature to form porous slag with large internal pore diameter;
(2) taking one or more of steel slag, ferrochromium slag and porous slag of coal gangue, and putting the steel slag, the ferrochromium slag and the porous slag of the coal gangue into a crusher to be crushed into particles of 5-10 mm;
(3) and then 10 parts of silicone oil, 30 parts of polyacrylic emulsion, 1 part of surfactant, 10 parts of organic solvent and 100 parts of water are taken according to the parts by weight to prepare a modified solution, the crushed particles are put into the modified solution for surface hydrophobic modification treatment, and the crushed particles are dried after the treatment to prepare the solid waste coarse aggregate.
Further, the preparation method of the solid waste fine aggregate comprises the following steps:
(1) naturally cooling the steel slag, the ferrochromium slag and the coal gangue which come out from the high temperature to form compact slag with small internal pore diameter;
(2) taking one or more of steel slag, ferrochrome slag and dense slag of coal gangue, crushing, putting into a ball mill, grinding into fine powder, adding kaolin accounting for 15% of the total weight of the fine powder and water accounting for 5% of the total weight of the fine powder, uniformly mixing, granulating, controlling the particle size to be 0.1-6 mm, drying, putting into a high-temperature furnace, sintering at 1350 ℃ for 1-2 h, and cooling with the furnace to obtain particles with the particle size of 0.08-0.5 mm for later use;
(3) and then 10 parts of silicone oil, 30 parts of polyacrylic emulsion, 1 part of surfactant, 10 parts of organic solvent and 100 parts of water are taken according to the parts by weight to prepare a modified solution, the cooled particles are put into the modified solution for surface hydrophobic modification treatment, and the modified particles are dried after the treatment to prepare the solid waste fine aggregate.
Further, the cement is aluminate cement, and the additive is an antifreezing agent.
Further, the thermoplastic plastic is any one of polyethylene, polypropylene, polyvinyl chloride, polycarbonate, polyvinyl alcohol, polyacrylic acid and polyamide plastic.
Further, the reinforcing fiber is any one or combination of any several of absorbent cotton fiber, absorbent hemp fiber, bamboo fiber, polyethylene fiber, polypropylene fiber, polyvinyl chloride fiber, polystyrene fiber, polyamide fiber and polyester fiber.
The results of comparing the water permeable brick sample 1 prepared from common aggregate and the water permeable brick sample 2 prepared from sand with the example 1 of the present invention, which are available on the market, are as follows:
according to the solid waste composite water-permeable material prepared by the method, the solid waste coarse aggregate and the solid waste fine aggregate exist in the base layer, and the coarse aggregate and the fine aggregate are also put into the modification liquid for surface hydrophobic modification treatment, so that a layer of compact film is formed on the surface of the aggregate and the surface of the pore, an interface transition area can be optimized, a channel for exchanging moisture and ions with external moisture is blocked, the moisture absorption performance of the aggregate is prevented from being lowered, and meanwhile, the moisture flowing through the aggregate and the pore inside the aggregate can not be absorbed by the aggregate and can permeate downwards through the hydrophobic treatment, so that the substrate layer has certain strength and certain water permeability; compared with a permeable brick sample 1 prepared from common aggregate and a permeable brick sample 2 prepared from sand, the permeable brick has higher strength and better water permeability, and solid wastes such as steel slag, ferrochromium slag, coal gangue and the like are used for preparing the water permeable material, so that the waste is changed into valuable, the price is low, the water permeability is good, and the permeable brick can be widely applied to permeable layers of pavements such as sidewalks, parks, residential quarters and the like and is beneficial to underground water circulation.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The preparation method of the solid waste composite water permeable material is characterized in that the water permeable material is divided into a base material and a surface layer material poured on the surface of the base material, and the preparation method comprises the following steps:
(1) taking 45-55 parts by weight of cement, 120-180 parts by weight of solid waste coarse aggregate, 100-120 parts by weight of solid waste fine aggregate, 10-20 parts by weight of additive and 15-25 parts by weight of water, adding the water and the additive into the cement, stirring for 1-2 min, adding the solid waste coarse aggregate, continuously stirring for 1-2 min, adding the solid waste fine aggregate, uniformly stirring, and pouring to prepare a base material with the thickness of 2-3 cm for later use;
(2) taking 80-100 parts by weight of thermoplastic plastic, 5-10 parts by weight of water-absorbent resin and 30-35 parts by weight of reinforcing fiber, putting the thermoplastic plastic into an injection molding machine, heating to 75-110 ℃, adding the water-absorbent resin and the reinforcing fiber for multiple times, uniformly stirring, and injecting on the surface of the base material prepared in the step (1) to form a surface layer material with the thickness of 0.5-1 cm.
2. The method for preparing the solid waste composite water permeable material according to claim 1, wherein the method for preparing the solid waste coarse aggregate comprises the following steps:
(1) water quenching the steel slag, the ferrochromium slag and the coal gangue which come out from high temperature to form porous slag with large internal pore diameter;
(2) taking one or more of steel slag, ferrochromium slag and porous slag of coal gangue, and putting the steel slag, the ferrochromium slag and the porous slag of the coal gangue into a crusher to be crushed into particles of 5-10 mm;
(3) and then 5-10 parts of silicone oil, 20-30 parts of polyacrylic acid emulsion, 0.5-1 part of surfactant, 5-10 parts of organic solvent and 89-100 parts of water are taken according to parts by weight to prepare a modified solution, the crushed particles are put into the modified solution for surface hydrophobic modification treatment, and the treated particles are dried to prepare the solid waste coarse aggregate.
3. The method for preparing the solid waste composite water permeable material according to claim 1, wherein the method for preparing the solid waste fine aggregate comprises the following steps:
(1) naturally cooling the steel slag, the ferrochromium slag and the coal gangue which come out from the high temperature to form compact slag with small internal pore diameter;
(2) taking one or more of steel slag, ferrochrome slag and dense slag of coal gangue, crushing, putting into a ball mill, grinding into fine powder, adding kaolin accounting for 10-15% of the total weight of the fine powder and water accounting for 3-5% of the total weight of the fine powder, uniformly mixing, granulating, controlling the particle size to be 0.1-6 mm, drying, putting into a high-temperature furnace, sintering at 1300-1350 ℃ for 1-2 h, and cooling with the furnace to prepare particles with the particle size of 0.08-0.5 mm for later use;
(3) and then 5-10 parts of silicone oil, 20-30 parts of polyacrylic emulsion, 0.5-1 part of surfactant, 5-10 parts of organic solvent and 89-100 parts of water are taken according to parts by weight to prepare a modified solution, the cooled particles are put into the modified solution for surface hydrophobic modification treatment, and the modified solution is dried to prepare the solid waste fine aggregate.
4. The method for preparing the solid waste composite water permeable material according to claim 1, wherein the cement is aluminate cement, and the additive is an antifreeze.
5. The method for preparing the solid waste composite water permeable material of claim 1, wherein the thermoplastic plastic is any one of polyethylene, polypropylene, polyvinyl chloride, polycarbonate, polyvinyl alcohol, polyacrylic acid and polyamide plastic.
6. The method for preparing the solid waste composite water permeable material according to claim 1, wherein the reinforcing fiber is one or a combination of any several of absorbent cotton fiber, absorbent hemp fiber, bamboo fiber, polyethylene fiber, polypropylene fiber, polyvinyl chloride fiber, polystyrene fiber, polyamide fiber and polyester fiber.
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| JP2005090167A (en) * | 2003-09-19 | 2005-04-07 | Fukoku Co Ltd | Porous elastic pavement material and method of manufacturing porous elastic pavement panel using this porous elastic pavement material |
| CN101671987A (en) * | 2009-08-26 | 2010-03-17 | 陕西阳光雨生态科技有限公司 | Cement concrete permeable brick, permeable road and production methods thereof |
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| JP2005090167A (en) * | 2003-09-19 | 2005-04-07 | Fukoku Co Ltd | Porous elastic pavement material and method of manufacturing porous elastic pavement panel using this porous elastic pavement material |
| CN101671987A (en) * | 2009-08-26 | 2010-03-17 | 陕西阳光雨生态科技有限公司 | Cement concrete permeable brick, permeable road and production methods thereof |
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