阅读说明：本技术 污泥固废物协同工业矿渣制备节能防火隔音墙材的方法 (Method for preparing energy-saving fireproof sound-insulation wall material by sludge solid waste and industrial slag ) 是由 刘志浩 于 2020-12-31 设计创作，主要内容包括：本发明公开了污泥固废物协同工业矿渣制备节能防火隔音墙材的方法,制备方法包括如下步骤：材料选取：污泥固废物10-15份；铁矿矿渣20-25份；碳酸钠4-7份；粉煤灰25-50份；硅源材料4-16份；有机质8-12份；改性剂0.1-0.25份；稳泡剂0.1-0.25份；珍珠岩10-15份。通过此方法制成的墙体,内部含有碳酸钠养护后所形成的气孔,以及珍珠岩内部的裂隙,声音传递后经过内部裂缝能够使声波通过材料细小的孔转化成热能,从而达到吸音的效果,且墙体整体采用不可燃物质制成,防火性能较好。(The invention discloses a method for preparing an energy-saving fireproof sound-insulation wall material by sludge solid waste and industrial slag, which comprises the following steps: selecting materials: 10-15 parts of sludge solid waste; 20-25 parts of iron ore slag; 4-7 parts of sodium carbonate; 25-50 parts of fly ash; 4-16 parts of a silicon source material; 8-12 parts of organic matters; 0.1-0.25 part of modifier; 0.1-0.25 part of foam stabilizer; 10-15 parts of perlite. The wall body manufactured by the method contains air holes formed after the sodium carbonate is cured and cracks inside the perlite, sound waves can be converted into heat energy through the fine holes of the material after sound transmission through the internal cracks, so that the sound absorption effect is achieved, and the wall body is integrally made of non-combustible substances and has good fireproof performance.)

1. The method for preparing the energy-saving fireproof sound-insulation wall material by using the sludge solid waste and the industrial slag is characterized in that: the preparation method comprises the following steps:

s1: selecting materials: 10-15 parts of sludge solid waste; 20-25 parts of iron ore slag; 4-7 parts of sodium carbonate; 25-50 parts of fly ash; 4-16 parts of a silicon source material; 8-12 parts of organic matters; 0.1-0.25 part of modifier; 0.1-0.25 part of foam stabilizer; 10-15 parts of perlite;

s2: preparing modified sludge solid waste: dissolving solid sludge waste in water in an aeration tank, introducing ozone into the aeration tank for aeration treatment to enable suspension in the tank to sink, irradiating the tank by using an ultraviolet lamp to comprehensively sterilize sludge, then feeding the sludge modified by aeration into a primary sedimentation tank, and taking out the modified sludge for later use after adsorption sedimentation;

s3: preparing modified iron ore slag: crushing the iron ore slag, screening the iron ore slag by using a screening machine, and magnetically separating the iron ore slag by using a magnetic separation method to screen out useless metals and harmful metals;

s4: preparing modified fly ash and modified organic matter: taking a certain amount of modifier, adding the modifier into water, dividing the modifier aqueous solution into two parts, dipping the organic matter into the modifier aqueous solution to obtain modified organic matter, and dipping the fly ash into the modifier aqueous solution to obtain modified fly ash;

s5: preparing mixed slurry: taking the modified sludge prepared in the step S2 and the modified iron ore slag prepared in the step S3, putting the modified sludge and the modified iron ore slag into a mixing stirrer, then adding a silicon source material into the modified sludge, starting the mixing stirrer to stir and mix uniformly, then standing, then sequentially adding the modified organic matter prepared in the step S4, sodium carbonate, the modified fly ash prepared in the step S4, a foam stabilizer and perlite, starting the mixing stirrer to stir and mix uniformly to obtain mixed slurry;

s6: preparing a sound insulation material: and (5) pouring the mixed slurry prepared in the step S5 into a test mold, and then, scraping the surface of the test mold and carrying out temperature-controlled maintenance to obtain the sound insulation material plate.

2. The method for preparing the energy-saving fireproof sound-insulation wall material by using the sludge solid waste and the industrial slag according to claim 1, wherein the method comprises the following steps: the aeration treatment of the sludge modification aeration tank in the step S2 is carried out for 15-120 minutes.

3. The method for preparing the energy-saving fireproof sound-insulation wall material by using the sludge solid waste and the industrial slag according to claim 1, wherein the method comprises the following steps: the step of S3 screens iron ore slag having a diameter of 0.3 to 0.6 mm.

4. The method for preparing the energy-saving fireproof sound-insulation wall material by using the sludge solid waste and the industrial slag according to claim 1, wherein the method comprises the following steps: in the step S5, the rotation speed of the stirrer is 300-600 r/S.

5. The method for preparing the energy-saving fireproof sound-insulation wall material by using the sludge solid waste and the industrial slag according to claim 1, wherein the method comprises the following steps: in the step S6, the casting volume is 70-90% of the total volume of the test mold.

6. The method for preparing the energy-saving fireproof sound-insulation wall material by using the sludge solid waste and the industrial slag according to claim 1, wherein the method comprises the following steps: in the step of S6, the patient is calmly stopped for 1.5-2.5 h.

7. The method for preparing the energy-saving fireproof sound-insulation wall material by using the sludge solid waste and the industrial slag according to claim 1, wherein the method comprises the following steps: in the step S6, the curing temperature is 40-70 ℃.

Technical Field

The invention belongs to the technical field of sound insulation material production, and particularly relates to a method for preparing an energy-saving fireproof sound insulation wall material by using sludge solid waste and industrial slag.

Background

The municipal sludge solid waste refers to solid waste generated in daily life of urban residents or activities for providing services for the daily life of the urban residents. The urban garbage mainly comes from urban resident families, urban businesses, catering industry, hotel industry, tourism industry, service industry, municipal sanitation, transportation, industrial enterprise units, sewage treatment sludge and the like. Typical municipal consubstantial wastes include waste plastics, waste rubber, waste automobiles, waste household appliances, waste paper, construction wastes and the like, but the accumulation of sludge in cities not only affects normal work, but also has certain utilization value of the sludge, tailings are generally wastes, and are often transported to other places, so that a large amount of space is occupied, the tailings are troublesome to treat, and walling needs a large amount of concrete to process.

Aiming at the problems of low utilization rate and difficult treatment of sludge and tailings, the invention discloses a method for preparing an energy-saving fireproof sound-insulation wall material by using sludge solid waste and industrial slag.

Disclosure of Invention

The invention aims to provide a method for preparing an energy-saving fireproof sound-insulation wall material by using sludge solid waste and industrial slag, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the method for preparing the energy-saving fireproof sound-insulation wall material by using the sludge solid waste and the industrial slag comprises the following steps:

s1: selecting materials: 10-15 parts of sludge solid waste; 20-25 parts of iron ore slag; 4-7 parts of sodium carbonate; 25-50 parts of fly ash; 4-16 parts of a silicon source material; 8-12 parts of organic matters; 0.1-0.25 part of modifier; 0.1-0.25 part of foam stabilizer; 10-15 parts of perlite.

S2: preparing modified sludge solid waste: dissolving solid sludge waste in water in an aeration tank, introducing ozone into the aeration tank for aeration treatment, allowing suspension in the tank to sink, irradiating the tank by using an ultraviolet lamp, comprehensively sterilizing sludge, allowing the sludge after aeration modification to enter a primary settling tank, fully contacting water and air to exchange gaseous substances and remove volatile substances in the water, or allowing gas to escape from the water, removing water odor or harmful gases such as carbon dioxide and hydrogen sulfide, or dissolving oxygen in the water to improve the concentration of dissolved oxygen, so as to achieve the purpose of removing iron and manganese or promoting aerobic microorganisms to degrade organic matters, and taking out the modified sludge for later use after adsorption settling.

S3: preparing modified iron ore slag: crushing the iron ore slag, screening the iron ore slag by using a screening machine, and magnetically separating the iron ore slag by using a magnetic separation method to screen out useless metals.

S4: preparing modified fly ash and modified organic matter: taking a certain amount of modifier, adding the modifier into water, dividing the modifier aqueous solution into two parts, dipping the organic matter into the modifier aqueous solution to obtain modified organic matter, and dipping the fly ash into the modifier aqueous solution to obtain modified fly ash.

S5: preparing mixed slurry: and taking the modified sludge prepared in the step S2 and the modified iron ore slag prepared in the step S3, putting the modified sludge and the modified iron ore slag into a mixing stirrer, then adding a silicon source material into the modified sludge, starting the mixing stirrer to stir and mix uniformly, then standing, then sequentially adding the modified organic matter prepared in the step S4, sodium carbonate, the modified fly ash prepared in the step S4, a foam stabilizer and perlite, starting the mixing stirrer to stir and mix uniformly, and thus obtaining mixed slurry.

S6: preparing a sound insulation material: and (5) pouring the mixed slurry prepared in the step S5 into a test mold, and then, scraping the surface of the test mold and carrying out temperature-controlled maintenance to obtain the sound insulation material plate.

Preferably, the aeration treatment in the sludge modification aeration tank in the step S2 is carried out for 15-120 minutes.

Preferably, the step of S3 screens iron ore slag having a diameter of 0.3 to 0.6 mm.

Preferably, in the step S5, the rotation speed of the stirrer is 300-600 r/S.

Preferably, in the step S6, the casting volume is 70-90% of the total volume of the test mold.

Preferably, in the step S6, the air is released and the air is stopped for 1.5 to 2.5 hours.

Preferably, in the step S6, the curing temperature is 40 to 70 ℃.

Compared with the prior art, the invention has the beneficial effects that:

1. ozone is filled into the aeration tank through the arrangement to carry out aeration treatment, suspension in the tank is allowed to sink through the surging of bubbles, so that sludge is fully utilized, the ozone can sterilize and deodorize the sludge in the tank, and the tank is irradiated by an ultraviolet lamp, so that the sterilization and disinfection of the sludge are comprehensive, and the prepared wall body is environment-friendly and harmless.

2. The iron ore tailings are used as materials, and the tailings of the magnetite are separated by a magnetic separation method, so that the prepared iron ore is harmless, other associated beneficial elements are not recycled by using a medicament, the tailings are harmless, and the wall body prepared from some industrial wastes is utilized to utilize wastes, so that the utilization rate of resources is improved.

3. The wall body manufactured by the method contains pores formed after the curing of the sodium carbonate and cracks inside the perlite, sound waves can be repeatedly refracted for many times after passing through the small pores of the material through the internal cracks after sound transmission, so that the sound absorption effect is achieved, and the wall body is integrally made of non-combustible substances and has better fireproof performance.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 first embodiment is as follows:

the invention provides a technical scheme that: the method for preparing the energy-saving fireproof sound-insulation wall material by using the sludge solid waste and the industrial slag comprises the following steps:

s1: selecting materials: 10 parts of sludge solid waste; 20 parts of iron ore slag; 4 parts of sodium carbonate; 25 parts of fly ash; 4 parts of a silicon source material; 8 parts of organic matters; 0.1 part of a modifier; 0.1 part of foam stabilizer; 10 parts of perlite.

S2: preparing modified sludge solid waste: dissolving solid sludge waste in water in an aeration tank, introducing ozone into the aeration tank for aeration treatment, wherein the aeration treatment time of a sludge modification aeration tank is 15 minutes, so that suspension in the tank sinks, meanwhile, irradiating the tank by using an ultraviolet lamp, comprehensively sterilizing the sludge, then allowing the sludge modified by aeration to enter a primary sedimentation tank, and taking out the modified sludge for later use after adsorption sedimentation.

S3: preparing modified iron ore slag: crushing the iron ore slag, screening the iron ore slag by using a screening machine, screening the iron ore slag with the diameter of 0.3-0.6mm, and magnetically separating the iron ore slag by using a magnetic separation method to screen out useless metals and harmful metals.

S4: preparing modified fly ash and modified organic matter: taking a certain amount of modifier, adding the modifier into water, dividing the modifier aqueous solution into two parts, dipping the organic matter into the modifier aqueous solution to obtain modified organic matter, and dipping the fly ash into the modifier aqueous solution to obtain modified fly ash.

S5: preparing mixed slurry: and taking the modified sludge prepared in the step S2 and the modified iron ore slag prepared in the step S3, putting the modified sludge and the modified iron ore slag into a mixing stirrer, adding a silicon source material into the modified sludge, starting the mixing stirrer to stir and mix uniformly, wherein the rotating speed of the stirrer is 300r/S, standing, sequentially adding the modified organic matter prepared in the step S4, sodium carbonate, the modified fly ash prepared in the step S4, the foam stabilizer and perlite, and starting the mixing stirrer to stir and mix uniformly to obtain mixed slurry.

S6: preparing a sound insulation material: and (4) pouring the mixed slurry prepared in the step S5 into a test mold, wherein the pouring volume is 70% of the total volume of the test mold, allowing air to flow, standing for 1.5h, and then scraping the surface of the test mold and maintaining at a temperature controlled temperature of 40 ℃ to obtain the sound insulation material plate.

Example two:

the invention provides a technical scheme that: the preparation method comprises the following steps:

s1: selecting materials: 11 parts of sludge solid waste; 21 parts of iron ore slag; 4.5 parts of sodium carbonate; 30 parts of fly ash; 6 parts of a silicon source material; 8.5 parts of organic matters; 0.14 part of a modifier; 0.14 part of foam stabilizer; 11 parts of perlite.

S2: preparing modified sludge solid waste: dissolving solid sludge waste in water in an aeration tank, introducing ozone into the aeration tank for aeration treatment, wherein the aeration treatment time of a sludge modification aeration tank is 20 minutes, so that a suspension in the tank sinks, irradiating the tank by using an ultraviolet lamp, comprehensively sterilizing the sludge, then allowing the sludge modified by aeration to enter a primary sedimentation tank, and taking out the modified sludge for later use after adsorption sedimentation.

S3: preparing modified iron ore slag: crushing the iron ore slag, screening the iron ore slag by using a screening machine, screening the iron ore slag with the diameter of 0.35mm, and magnetically separating the iron ore slag by using a magnetic separation method to screen out useless metals and harmful metals.

S4: preparing modified fly ash and modified organic matter: taking a certain amount of modifier, adding the modifier into water, dividing the modifier aqueous solution into two parts, dipping the organic matter into the modifier aqueous solution to obtain modified organic matter, and dipping the fly ash into the modifier aqueous solution to obtain modified fly ash.

S5: preparing mixed slurry: and taking the modified sludge prepared in the step S2 and the modified iron ore slag prepared in the step S3, putting the modified sludge and the modified iron ore slag into a mixing stirrer, adding a silicon source material into the modified sludge, starting the mixing stirrer to stir and mix uniformly, keeping the stirrer at the rotating speed of 350r/S, sequentially adding the modified organic matter prepared in the step S4, sodium carbonate, the modified fly ash prepared in the step S4, the foam stabilizer and perlite, and starting the mixing stirrer to stir and mix uniformly to obtain mixed slurry.

S6: preparing a sound insulation material: and (4) pouring the mixed slurry prepared in the step S5 into a test mold, wherein the pouring volume is 75% of the total volume of the test mold, allowing air to flow, standing for 1.6h, and then scraping the surface of the test mold and maintaining at a controlled temperature of 45 ℃ to obtain the sound insulation material plate.

Example three:

the invention provides a technical scheme that: the preparation method comprises the following steps:

s1: selecting materials: 11.5 parts of sludge solid waste; 21.5 parts of iron ore slag; 5 parts of sodium carbonate; 35 parts of fly ash; 8 parts of a silicon source material; 9 parts of organic matters; 0.16 part of a modifier; 0.16 part of foam stabilizer; 12 parts of perlite.

S2: preparing modified sludge solid waste: dissolving solid sludge in water in an aeration tank, introducing ozone into the aeration tank for aeration treatment, wherein the aeration treatment time of a sludge modification aeration tank is 30 minutes, so that a suspension in the tank sinks, irradiating the tank by using an ultraviolet lamp, comprehensively sterilizing the sludge, then allowing the sludge modified by aeration to enter a primary sedimentation tank, and taking out the modified sludge for later use after adsorption sedimentation.

S3: preparing modified iron ore slag: crushing the iron ore slag, screening the iron ore slag by using a screening machine, screening the iron ore slag with the diameter of 0.4mm, and magnetically separating the iron ore slag by using a magnetic separation method to screen out useless metals and harmful metals.

S4: preparing modified fly ash and modified organic matter: taking a certain amount of modifier, adding the modifier into water, dividing the modifier aqueous solution into two parts, dipping the organic matter into the modifier aqueous solution to obtain modified organic matter, and dipping the fly ash into the modifier aqueous solution to obtain modified fly ash.

S5: preparing mixed slurry: and taking the modified sludge prepared in the step S2 and the modified iron ore slag prepared in the step S3, putting the modified sludge and the modified iron ore slag into a mixing stirrer, adding a silicon source material into the modified sludge, starting the mixing stirrer to stir and mix uniformly at the rotating speed of 400r/S, standing, sequentially adding the modified organic matter prepared in the step S4, sodium carbonate, the modified fly ash prepared in the step S4, a foam stabilizer and perlite, and starting the mixing stirrer to stir and mix uniformly to obtain mixed slurry.

S6: preparing a sound insulation material: and (4) pouring the mixed slurry prepared in the step S5 into a test mold, wherein the pouring volume is 77% of the total volume of the test mold, air is generated and the test mold is kept still for 1.8h, then the surface of the test mold is strickleed off, and the temperature is controlled for maintenance, wherein the maintenance temperature is 50 ℃, so that the sound insulation material plate is prepared.

Example four:

the invention provides a technical scheme that: the preparation method comprises the following steps:

s1: selecting materials: 12 parts of sludge solid waste; 22 parts of iron ore slag; 5.5 parts of sodium carbonate; 40 parts of fly ash; 10 parts of silicon source material; 10 parts of organic matters; 0.2 part of a modifier; 0.2 part of foam stabilizer; 12 parts of perlite.

S2: preparing modified sludge solid waste: dissolving solid sludge in water in an aeration tank, introducing ozone into the aeration tank for aeration treatment, wherein the aeration treatment time of a sludge modification aeration tank is 50 minutes, so that a suspension in the tank sinks, irradiating the tank by using an ultraviolet lamp, comprehensively sterilizing the sludge, then allowing the sludge modified by aeration to enter a primary sedimentation tank, and taking out the modified sludge for later use after adsorption sedimentation.

S3: preparing modified iron ore slag: crushing the iron ore slag, screening the iron ore slag by using a screening machine, screening the iron ore slag with the diameter of 0.45mm, and magnetically separating the iron ore slag by using a magnetic separation method to screen out useless metals and harmful metals.

S4: preparing modified fly ash and modified organic matter: taking a certain amount of modifier, adding the modifier into water, dividing the modifier aqueous solution into two parts, dipping the organic matter into the modifier aqueous solution to obtain modified organic matter, and dipping the fly ash into the modifier aqueous solution to obtain modified fly ash.

S5: preparing mixed slurry: and taking the modified sludge prepared in the step S2 and the modified iron ore slag prepared in the step S3, putting the modified sludge and the modified iron ore slag into a mixing stirrer, adding a silicon source material into the modified sludge, starting the mixing stirrer to stir and mix uniformly, wherein the rotating speed of the stirrer is 450r/S, standing, sequentially adding the modified organic matter prepared in the step S4, sodium carbonate, the modified fly ash prepared in the step S4, the foam stabilizer and perlite, and starting the mixing stirrer to stir and mix uniformly to obtain mixed slurry.

S6: preparing a sound insulation material: and (4) pouring the mixed slurry prepared in the step S5 into a test mold, wherein the pouring volume is 80% of the total volume of the test mold, allowing air to stand for 20 hours, and then scraping the surface of the test mold and maintaining at a controlled temperature of 55 ℃ to obtain the sound insulation material plate.

Example five:

the invention provides a technical scheme that: the preparation method comprises the following steps:

s1: selecting materials: 13 parts of sludge solid waste; 23 parts of iron ore slag; 6 parts of sodium carbonate; 45 parts of fly ash; 12 parts of a silicon source material; 10.5 parts of organic matters; 1.22 parts of a modifier; 0.22 part of foam stabilizer; 13 parts of perlite.

S2: preparing modified sludge solid waste: dissolving solid sludge in water in an aeration tank, introducing ozone into the aeration tank for aeration treatment, wherein the aeration treatment time of a sludge modification aeration tank is 70 minutes, so that a suspension in the tank sinks, irradiating the tank by using an ultraviolet lamp, comprehensively sterilizing the sludge, then allowing the sludge modified by aeration to enter a primary sedimentation tank, and taking out the modified sludge for later use after adsorption sedimentation.

S3: preparing modified iron ore slag: crushing the iron ore slag, screening the iron ore slag by using a screening machine, screening the iron ore slag with the diameter of 0.5mm, and magnetically separating the iron ore slag by using a magnetic separation method to screen out useless metals and harmful metals.

S4: preparing modified fly ash and modified organic matter: taking a certain amount of modifier, adding the modifier into water, dividing the modifier aqueous solution into two parts, dipping the organic matter into the modifier aqueous solution to obtain modified organic matter, and dipping the fly ash into the modifier aqueous solution to obtain modified fly ash.

S5: preparing mixed slurry: and taking the modified sludge prepared in the step S2 and the modified iron ore slag prepared in the step S3, putting the modified sludge and the modified iron ore slag into a mixing stirrer, adding a silicon source material into the modified sludge, starting the mixing stirrer to stir and mix uniformly, wherein the rotating speed of the stirrer is 500r/S, standing, sequentially adding the modified organic matter prepared in the step S4, sodium carbonate, the modified fly ash prepared in the step S4, the foam stabilizer and perlite, and starting the mixing stirrer to stir and mix uniformly to obtain mixed slurry.

S6: preparing a sound insulation material: and (4) pouring the mixed slurry prepared in the step S5 into a test mold, wherein the pouring volume is 83% of the total volume of the test mold, allowing air to flow out, standing for 2.2h, and then scraping the surface of the test mold and maintaining at a temperature controlled range of 60 ℃ to obtain the sound insulation material plate.

Example six:

the invention provides a technical scheme that: the preparation method comprises the following steps:

s1: selecting materials: 14 parts of sludge solid waste; 23 parts of iron ore slag; 6 parts of sodium carbonate; 45 parts of fly ash; 14 parts of a silicon source material; 11 parts of organic matters; 0.24 part of a modifier; 0.24 part of foam stabilizer; 14 parts of perlite.

S2: preparing modified sludge solid waste: dissolving solid sludge in water in an aeration tank, introducing ozone into the aeration tank for aeration treatment, wherein the aeration treatment time of a sludge modification aeration tank is 90 minutes, so that a suspension in the tank sinks, irradiating the tank by using an ultraviolet lamp, comprehensively sterilizing the sludge, then allowing the sludge modified by aeration to enter a primary sedimentation tank, and taking out the modified sludge for later use after adsorption sedimentation.

S3: preparing modified iron ore slag: crushing the iron ore slag, screening the iron ore slag by using a screening machine, screening the iron ore slag with the diameter of 0.55mm, and magnetically separating the iron ore slag by using a magnetic separation method to screen out useless metals and harmful metals.

S4: preparing modified fly ash and modified organic matter: taking a certain amount of modifier, adding the modifier into water, dividing the modifier aqueous solution into two parts, dipping the organic matter into the modifier aqueous solution to obtain modified organic matter, and dipping the fly ash into the modifier aqueous solution to obtain modified fly ash.

S5: preparing mixed slurry: and taking the modified sludge prepared in the step S2 and the modified iron ore slag prepared in the step S3, putting the modified sludge and the modified iron ore slag into a mixing stirrer, adding a silicon source material into the modified sludge, starting the mixing stirrer to stir and mix uniformly, wherein the rotating speed of the stirrer is 550r/S, standing, sequentially adding the modified organic matter prepared in the step S4, sodium carbonate, the modified fly ash prepared in the step S4, the foam stabilizer and perlite, and starting the mixing stirrer to stir and mix uniformly to obtain mixed slurry.

S6: preparing a sound insulation material: and (4) pouring the mixed slurry prepared in the step S5 into a test mold, wherein the pouring volume is 86% of the total volume of the test mold, allowing air to flow, standing for 2.4h, and then scraping the surface of the test mold and maintaining at a temperature of 65 ℃ to obtain the sound insulation material plate.

Example seven:

the invention provides a technical scheme that: the preparation method comprises the following steps:

s1: selecting materials: 15 parts of sludge solid waste; 25 parts of iron ore slag; 7 parts of sodium carbonate; 50 parts of fly ash; 16 parts of a silicon source material; 12 parts of organic matters; 0.25 part of a modifier; 0.25 part of foam stabilizer; 15 parts of perlite.

S2: preparing modified sludge solid waste: dissolving solid sludge waste in water in an aeration tank, introducing ozone into the aeration tank for aeration treatment, wherein the aeration treatment time of a sludge modification aeration tank is 120 minutes, so that suspension in the tank sinks, meanwhile, irradiating the tank by using an ultraviolet lamp, comprehensively sterilizing the sludge, then allowing the sludge modified by aeration to enter a primary sedimentation tank, and taking out the modified sludge for later use after adsorption sedimentation.

S3: preparing modified iron ore slag: crushing the iron ore slag, screening the iron ore slag by using a screening machine, screening the iron ore slag with the diameter of 0.6mm, and magnetically separating the iron ore slag by using a magnetic separation method to screen out useless metals and harmful metals.

S4: preparing modified fly ash and modified organic matter: taking a certain amount of modifier, adding the modifier into water, dividing the modifier aqueous solution into two parts, dipping the organic matter into the modifier aqueous solution to obtain modified organic matter, and dipping the fly ash into the modifier aqueous solution to obtain modified fly ash.

S5: preparing mixed slurry: and taking the modified sludge prepared in the step S2 and the modified iron ore slag prepared in the step S3, putting the modified sludge and the modified iron ore slag into a mixing stirrer, adding a silicon source material into the modified sludge, starting the mixing stirrer to stir and mix uniformly at the rotating speed of 600r/S, standing, sequentially adding the modified organic matter prepared in the step S4, sodium carbonate, the modified fly ash prepared in the step S4, a foam stabilizer and perlite, and starting the mixing stirrer to stir and mix uniformly to obtain mixed slurry.

S6: preparing a sound insulation material: and (4) pouring the mixed slurry prepared in the step S5 into a test mold, wherein the pouring volume is 90% of the total volume of the test mold, allowing air to flow, standing for 2.5h, and then scraping the surface of the test mold and maintaining at a temperature controlled range of 70 ℃ to obtain the sound insulation material plate.

The panels prepared in examples 1-7 above were tested for sound insulation performance, and the average values of the test results are shown in the following table:

therefore, the sound insulation effect of the invention is better.

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 appended claims and their equivalents.