CN112408887A - Preparation method of vibration-damping sound-insulating material based on agricultural waste recycling - Google Patents

Preparation method of vibration-damping sound-insulating material based on agricultural waste recycling Download PDF

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Publication number
CN112408887A
CN112408887A CN202011400576.9A CN202011400576A CN112408887A CN 112408887 A CN112408887 A CN 112408887A CN 202011400576 A CN202011400576 A CN 202011400576A CN 112408887 A CN112408887 A CN 112408887A
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CN
China
Prior art keywords
vibration
damping
agricultural waste
sound
insulating material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011400576.9A
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Chinese (zh)
Inventor
卢爽
唐振
刘雨时
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Harbin Institute of Technology
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Harbin Institute of Technology
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Publication date
Application filed by Harbin Institute of Technology filed Critical Harbin Institute of Technology
Priority to CN202011400576.9A priority Critical patent/CN112408887A/en
Publication of CN112408887A publication Critical patent/CN112408887A/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/18—Waste materials; Refuse organic
    • C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/18—Waste materials; Refuse organic
    • C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
    • C04B18/26—Wood, e.g. sawdust, wood shavings
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/023—Chemical treatment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/04—Heat treatment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/52—Sound-insulating materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

A preparation method of a vibration-damping sound-insulating material based on agricultural waste recycling is characterized in that the vibration-damping sound-insulating material is prepared by taking a cement-based material as a body and taking modified agricultural waste as a damping enhancement basic unit; the agricultural wastes are pretreated by acid-base soaking, calcining, microwave, ultrasonic and other methods, and certain organic matters are selected to be combined with the agricultural wastes on the basis, so that the damping performance of the material is further improved, and the effects of vibration reduction and sound insulation are realized. The invention aims to solve the problem of poor vibration reduction and sound insulation effects of the existing building structure, and further provides a novel vibration reduction and sound insulation damping unit which is applied to a cement-based material to manufacture floor sound insulation mortar, bridge deck slab sound insulation materials and the like, so that the damping performance of the building structure is improved, and the interference of vibration and noise is avoided.

Description

Preparation method of vibration-damping sound-insulating material based on agricultural waste recycling
Technical Field
The invention relates to the technical field of preparation of sound insulation mortar and a bridge deck sound insulation and vibration reduction material, in particular to a preparation method of a vibration reduction and sound insulation material based on agricultural waste recycling.
Background
Along with the acceleration of the urbanization process, the population of China is more and more dense, the living convenience brought by population concentration is obvious, but the noise problem is more and more serious. Meanwhile, the problems of vibration and noise caused by running vehicles on the road deck are to be solved urgently. The vibration reduction and sound insulation performance is closely related to the damping performance of the material, and according to the vibration theory, the damping of the structure has great influence on the vibration response of the structure. When the system resonates, the amplitude can be reduced by 50% if the damping is doubled. The structural member designed by the traditional design method is too large, and the cost for installing the sound insulation vibration reduction device is too high. In comparison, the use of building materials with high damping properties is a low cost and highly feasible method. Cement-based materials are currently one of the main materials used in building construction. Therefore, how to improve the damping performance of the cement-based material is a technical problem to be solved urgently. The damping performance of the cement-based material can be improved by adding the polymer, the fiber and the inorganic filler into the cement, but the strength of the cement-based material is reduced due to the addition of the polymer, the long-term stability is not ideal, and the reinforcing range of the inorganic filler to the damping performance of the cement-based material is limited.
In order to effectively enhance the damping performance of the cement-based material and realize the harmlessness and reclamation of agricultural wastes. The invention combines the advantages of organic matters and inorganic fillers, selects the organic matters to carry out surface modification on the pretreated agricultural wastes, and mixes the modified agricultural wastes into the cement-based materials, thereby improving the damping performance of the cement-based materials on the basis of not reducing the strength of the cement-based materials, and the prepared vibration-damping sound-insulating material has good strength and damping performance and can be used as floor vibration-damping sound-insulating mortar. The sound insulation and vibration reduction mortar can effectively reduce the noise interference between the upper and lower layer residents and the neighborhood when used in the residential area; the sound insulation and vibration reduction mortar can reduce the interference of vibration on equipment and solve the problems of noise pollution and the like when being used in places such as hospitals, scientific research institutions, factories and the like. In addition, the vibration-damping sound-insulating material prepared by the technology can also be used for manufacturing a bridge deck vibration-damping sound-insulating material, and the whole amplitude of the vibration-damping sound-insulating material is obviously reduced due to the obvious improvement of damping.
Disclosure of Invention
The invention aims to solve the problem of poor vibration and sound insulation effect of the existing building structure, and further provides a novel vibration and sound insulation damping unit which is applied to a cement-based material to serve as sound insulation mortar or a bridge deck vibration and sound insulation material, so that the damping performance of the building structure is improved, and the interference of vibration and noise is avoided.
In order to achieve the purpose, the invention is realized by the following technical scheme: a preparation method of a vibration-damping sound-insulating material based on agricultural waste recycling is characterized in that a cement-based material is used as a body, and modified agricultural waste is used as a damping enhancement basic unit.
As a further optimization, the agricultural waste is one of straw, fruit hull, branches and weeds.
As further optimization, the agricultural wastes are pretreated by acid-base soaking, calcining, microwave, ultrasonic and other methods.
As further optimization, the surface of the agricultural waste is pretreated by adopting a coupling agent, and then the organic matters are grafted to the surface of the agricultural waste.
As further optimization, the coupling agent is one of a zirconium coupling agent, a silane coupling agent and a titanate coupling agent, and the organic matter is one of a carbon chain polymer, chitosan and rubber.
Preferably, the reaction solvent used in the modification treatment process is one of alicyclic hydrocarbon or alcohol, and the initiator used is one of peroxide or azo.
As a further optimization, the preparation process of the material is to directly add the modified agricultural wastes into the cement-based material in the stirring process.
Advantageous effects
The invention provides a preparation method of a vibration-damping sound-insulating material based on agricultural waste recycling, which has the following beneficial effects:
1. the waste generated in the agricultural production process is applied to the building materials, the agricultural waste is consumed on a large scale, the using amount of cement can be greatly saved, the cost is greatly reduced, the emission of carbon dioxide can be greatly reduced, and the method has great economic benefit and environmental benefit.
2. The porous structure of the treated agricultural waste is beneficial to enhancing the damping performance of the cement-based material, thereby avoiding the interference of vibration and noise suffered by people in production and life. Meanwhile, the treated agricultural waste has higher pozzolanic activity, so that the strength of the cement-based material can be increased.
3. The organic matter and the agricultural waste are combined, the respective advantages of the organic matter and the agricultural waste are fully utilized, and the damping performance of the material is greatly improved on the basis of not sacrificing the strength, so that the vibration reduction and sound insulation effects are realized.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Examples
The vibration-reducing and sound-insulating material is a cement-based material containing modified agricultural wastes, the cement-based material containing the modified agricultural wastes replaces part of gelled materials, and the modified agricultural wastes are a novel vibration-reducing and sound-insulating damping enhancement unit.
As a further optimization of the scheme, the agricultural wastes need to be calcined, and the calcining mode is one of microwave sintering and high-temperature sintering.
As a further optimization of the scheme, the agricultural waste after modification needs to be subjected to certain treatment before surface modification, and the treatment mode is ultrasonic treatment and acid-base soaking.
As a further optimization of the scheme, the modified agricultural waste needs to be subjected to surface pretreatment by using a coupling agent, wherein the coupling agent is one of a zirconium coupling agent, a silane coupling agent and a titanate coupling agent.
As a further optimization of the scheme, after the modified agricultural waste is treated by the coupling agent, an organic matter is grafted on the surface of the modified agricultural waste, wherein the organic matter is one of a carbon chain polymer, chitosan and rubber.
As a further optimization of the scheme, one of alicyclic hydrocarbon and alcohol is taken as a reaction solvent in the modification process, and one of peroxide and azo is taken as an initiator.
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.

Claims (7)

1. The preparation method of the vibration-damping sound-insulating material based on agricultural waste recycling is characterized in that the vibration-damping sound-insulating material is prepared by taking a cement-based material as a body and taking modified agricultural waste as a damping enhancement basic unit.
2. The method for preparing the vibration-damping and sound-insulating material based on the agricultural waste recycling is characterized in that the agricultural waste is one of straw, fruit shells, branches and weeds.
3. The preparation method of the vibration-damping and sound-insulating material based on agricultural waste recycling according to claim 1, wherein the agricultural waste is pretreated by acid-base soaking, calcining, microwave, ultrasonic and other methods.
4. The preparation method of the vibration-damping and sound-insulating material based on agricultural waste recycling according to claim 1, wherein the agricultural waste is subjected to surface pretreatment by using a coupling agent, and then organic matters are grafted to the surface of the agricultural waste.
5. The preparation method of the vibration-damping and sound-insulating material based on agricultural waste recycling as claimed in claim 4, wherein the coupling agent is one of a zirconium coupling agent, a silane coupling agent and a titanate coupling agent, and the organic matter is one of a carbon chain polymer, chitosan and rubber.
6. The preparation method of the vibration-damping and sound-insulating material based on agricultural waste recycling as claimed in claim 1, wherein a reaction solvent used in the modification treatment is one of alicyclic hydrocarbon or alcohol, and an initiator used in the modification treatment is one of peroxide or azo.
7. The preparation method of the vibration-damping and sound-insulating material based on agricultural waste recycling is characterized in that the agricultural waste after modification treatment is directly added in the process of stirring the cement-based material in the material preparation process.
CN202011400576.9A 2020-12-04 2020-12-04 Preparation method of vibration-damping sound-insulating material based on agricultural waste recycling Pending CN112408887A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011400576.9A CN112408887A (en) 2020-12-04 2020-12-04 Preparation method of vibration-damping sound-insulating material based on agricultural waste recycling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011400576.9A CN112408887A (en) 2020-12-04 2020-12-04 Preparation method of vibration-damping sound-insulating material based on agricultural waste recycling

Publications (1)

Publication Number Publication Date
CN112408887A true CN112408887A (en) 2021-02-26

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CN202011400576.9A Pending CN112408887A (en) 2020-12-04 2020-12-04 Preparation method of vibration-damping sound-insulating material based on agricultural waste recycling

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040214925A1 (en) * 2003-04-14 2004-10-28 Sigworth William D. Coupling agents for natural fiber-filled polyolefins
CN108439921A (en) * 2018-06-07 2018-08-24 魏浩峰 A kind of agricultural crop straw complex cement base insulating wall material and preparation method thereof
WO2020208401A1 (en) * 2019-04-09 2020-10-15 3M Innovative Properties Company Dry powder composition, composite and method for attenuating impact noise in a building

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040214925A1 (en) * 2003-04-14 2004-10-28 Sigworth William D. Coupling agents for natural fiber-filled polyolefins
CN108439921A (en) * 2018-06-07 2018-08-24 魏浩峰 A kind of agricultural crop straw complex cement base insulating wall material and preparation method thereof
WO2020208401A1 (en) * 2019-04-09 2020-10-15 3M Innovative Properties Company Dry powder composition, composite and method for attenuating impact noise in a building

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
李根等: "农业废弃物秸秆生产新型墙体材料的应用研究", 《工业安全与环保》 *
沃丁柱方: "《复合材料大全》", 31 January 2002, 化学工业出版社 *
王继博等: "麦秸秆在水泥基复合材料中的应用研究", 《材料导报》 *

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