CN110790536A - Environment-friendly brick prepared from construction waste reclaimed materials and processing technology thereof - Google Patents

Environment-friendly brick prepared from construction waste reclaimed materials and processing technology thereof Download PDF

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Publication number
CN110790536A
CN110790536A CN201911062326.6A CN201911062326A CN110790536A CN 110790536 A CN110790536 A CN 110790536A CN 201911062326 A CN201911062326 A CN 201911062326A CN 110790536 A CN110790536 A CN 110790536A
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parts
recycled
construction waste
environment
materials
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CN201911062326.6A
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何世豪
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Individual
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/52Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00017Aspects relating to the protection of the environment

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention discloses an environment-friendly brick prepared by using construction waste reclaimed materials, which comprises the following components in percentage by weight: 65-75 parts of construction waste recycled materials, 3-5 parts of straw powder, 4-6 parts of modified diatomite, 8-14 parts of cement, 3-5 parts of glass fiber, 4-6 parts of silicon oxide, 2-3.5 parts of a water reducing agent and 0.8-1.2 parts of a reinforcing agent; the construction waste recycled material comprises 68-85 parts of recycled fine aggregate, 18-23 parts of recycled coarse aggregate and 8-13 parts of recycled sand. The preparation method comprises the following steps: weighing the construction waste reclaimed materials twice according to the mass parts, sequentially adding straw powder, modified diatomite, cement and glass fiber, mixing in a shaker, adding a proper amount of water into the mixed raw materials, stirring, sequentially adding silicon oxide, a water reducing agent and a reinforcing agent, stirring, standing for precipitation, and pouring out supernatant filtrate to obtain a lower-layer mixed base material; pouring the mixed base material into a brick making mold, pressurizing and then carrying out steam curing to obtain the environment-friendly brick prepared by using the construction waste reclaimed material.

Description

Environment-friendly brick prepared from construction waste reclaimed materials and processing technology thereof
Technical Field
The invention relates to the technical field of construction waste reclaimed material treatment, in particular to an environment-friendly brick prepared from construction waste reclaimed materials and a processing technology thereof.
Background
With the rapid development of urbanization in China, on one hand, the construction waste is more and more, and in order to rapidly treat large batches of construction waste at low cost, a builder stacks and landfills waste solid materials at will, land resources are occupied, soil quality is reduced, and pollution is caused to surrounding surface water and underground water, so that the ecological environment is influenced. In recent years, some of the more developed cities have paid attention to the adverse effects of construction waste, and the construction waste is recovered and reused.
The construction waste and municipal waste resources are recycled, so that the landfill area of the waste can be greatly reduced, and the environmental pollution is reduced; the construction waste and the municipal waste are put into automatic separation equipment for separation, then the aggregate is produced by a crushing device, and then a certain formula is added into the aggregate, so that the building material is produced without landfill, incineration, smoke and toxicity, and various building materials are produced, such as: the building comprises standard bricks, paving bricks, hollow bricks, various building boards, building walls, indoor decoration materials, building non-dismantling templates, landscaping rockery modeling assembly modules, environment-friendly decoration materials, novel environment-friendly building assembly walls and novel environment-friendly building boards.
Disclosure of Invention
The invention aims to provide an environment-friendly brick prepared by using construction waste reclaimed materials and a processing technology thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an utilize environmental protection brick of building rubbish reclaimed materials preparation which characterized in that: the composite material comprises the following components in percentage by mass: 65-75 parts of construction waste recycled materials, 3-5 parts of straw powder, 4-6 parts of modified diatomite, 8-14 parts of cement, 3-5 parts of glass fiber, 4-6 parts of silicon oxide, 2-3.5 parts of a water reducing agent and 0.8-1.2 parts of a reinforcing agent;
the construction waste recycled material comprises 68-85 parts of recycled fine aggregate, 18-23 parts of recycled coarse aggregate and 8-13 parts of recycled sand.
Preferably, the composition comprises the following components in percentage by mass: 65 parts of construction waste reworked materials, 3 parts of straw powder, 4 parts of modified diatomite, 8 parts of cement, 3 parts of glass fiber, 4 parts of silicon oxide, 2 parts of a water reducing agent and 0.8 part of a reinforcing agent;
the construction waste recycled material comprises 68 parts of recycled fine aggregate, 20 parts of recycled coarse aggregate and 8 parts of recycled sand.
Preferably, the particle size of the recycled fine aggregate is 1-3mm, the particle size of the recycled coarse aggregate is 4-7mm, and the particle size of the recycled sand is 0.3-0.5 mm.
Preferably, the straw powder is dry recycled straw, and is smashed into powdery solid with the granularity of 5-8 mm.
Preferably, the water reducing agent is a polycarboxylic acid high-performance water reducing agent prepared from carboxylic acid graft multipolymer.
The invention also provides a processing technology of the environment-friendly brick prepared by using the construction waste reclaimed materials, which comprises the following operation steps:
s1: mixing raw materials: weighing and mixing a proper amount of regenerated fine bones, regenerated coarse aggregates and regenerated sand according to the mass part, weighing and mixing the regenerated fine bones, the regenerated coarse aggregates and the regenerated sand twice according to the mass part of the construction waste regenerated material, sequentially adding straw powder, modified diatomite, cement and glass fiber into the weighed mixture, and mixing the mixture in a shaker for 10-15 min;
s2: preparing a base material: taking out the mixed raw materials indicated in S1), adding a proper amount of water, stirring for 5-8min, sequentially adding silicon oxide, water reducing agent and reinforcing agent, stirring while adding, stirring for 20-25min, standing for precipitation, precipitating for 6-8h, and pouring out the supernatant to obtain the lower mixed base material;
s3: forming and maintaining: pouring the mixed base material in the step S2) into a brick making mold, pressurizing for 5-10min under the pressure of 15-25MPa, and performing steam curing to obtain the environment-friendly brick prepared by using the construction waste reclaimed material.
Compared with the prior art, the invention has the beneficial effects that: the invention uses the reclaimed material made from the waste construction waste as the main raw material, solves the problems that the construction waste and the industrial waste are difficult to bury and the land occupation area is large, and simultaneously recycles the waste and saves the resources; the straw powder and the glass fiber are added in the preparation process, so that the strength is enhanced, the utilization rate of the straw can be expanded, and meanwhile, the modified diatomite and the silicon oxide are added to enhance the water permeability and the heat insulation performance of the environment-friendly brick.
Detailed Description
The technical solutions in the embodiments of the present invention are 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.
Example 1: the utility model provides an utilize environmental protection brick of building rubbish reclaimed materials preparation which characterized in that: the composite material comprises the following components in percentage by mass: 65-75 parts of construction waste recycled materials, 3-5 parts of straw powder, 4-6 parts of modified diatomite, 8-14 parts of cement, 3-5 parts of glass fiber, 4-6 parts of silicon oxide, 2-3.5 parts of a water reducing agent and 0.8-1.2 parts of a reinforcing agent;
the construction waste recycled material comprises 68-85 parts of recycled fine aggregate, 18-23 parts of recycled coarse aggregate and 8-13 parts of recycled sand.
Further, the paint comprises the following components in percentage by mass: 65 parts of construction waste reworked materials, 3 parts of straw powder, 4 parts of modified diatomite, 8 parts of cement, 3 parts of glass fiber, 4 parts of silicon oxide, 2 parts of a water reducing agent and 0.8 part of a reinforcing agent;
the construction waste recycled material comprises 68 parts of recycled fine aggregate, 20 parts of recycled coarse aggregate and 8 parts of recycled sand.
Furthermore, the particle size of the recycled fine aggregate is 1-3mm, the particle size of the recycled coarse aggregate is 4-7mm, and the particle size of the recycled sand is 0.3-0.5 mm.
Furthermore, the straw powder is prepared by crushing dry recycled straws into powdery solid with the granularity of 5-8 mm.
Further, the water reducing agent is a polycarboxylic acid high-performance water reducing agent prepared from carboxylic acid graft multipolymer.
The invention also provides a processing technology of the environment-friendly brick prepared by using the construction waste reclaimed materials, which comprises the following operation steps:
s1: mixing raw materials: weighing and mixing a proper amount of regenerated fine bones, regenerated coarse aggregates and regenerated sand according to the mass part, weighing and mixing the regenerated fine bones, the regenerated coarse aggregates and the regenerated sand twice according to the mass part of the construction waste regenerated material, sequentially adding straw powder, modified diatomite, cement and glass fiber into the weighed mixture, and mixing the mixture in a shaker for 10-15 min;
s2: preparing a base material: taking out the mixed raw materials indicated in S1), adding a proper amount of water, stirring for 5-8min, sequentially adding silicon oxide, water reducing agent and reinforcing agent, stirring while adding, stirring for 20-25min, standing for precipitation, precipitating for 6-8h, and pouring out the supernatant to obtain the lower mixed base material;
s3: forming and maintaining: pouring the mixed base material in the step S2) into a brick making mold, pressurizing for 5-10min under the pressure of 15-25MPa, and performing steam curing to obtain the environment-friendly brick prepared by using the construction waste reclaimed material.
Example 2: the utility model provides an utilize environmental protection brick of building rubbish reclaimed materials preparation which characterized in that: the composite material comprises the following components in percentage by mass: 65-75 parts of construction waste recycled materials, 3-5 parts of straw powder, 4-6 parts of modified diatomite, 8-14 parts of cement, 3-5 parts of glass fiber, 4-6 parts of silicon oxide, 2-3.5 parts of a water reducing agent and 0.8-1.2 parts of a reinforcing agent;
the construction waste recycled material comprises 68-85 parts of recycled fine aggregate, 18-23 parts of recycled coarse aggregate and 8-13 parts of recycled sand.
Further, the paint comprises the following components in percentage by mass: 70 parts of construction waste reworked materials, 4 parts of straw powder, 5 parts of modified diatomite, 10 parts of cement, 4 parts of glass fiber, 5 parts of silicon oxide, 2.5 parts of a water reducing agent and 1 part of a reinforcing agent;
the construction waste recycled material comprises 70 parts of recycled fine aggregate, 18 parts of recycled coarse aggregate and 12 parts of recycled sand.
Example 2 is the same as the above examples in material and processing steps, but the ratio of the two is different.
Example 3: the utility model provides an utilize environmental protection brick of building rubbish reclaimed materials preparation which characterized in that: the composite material comprises the following components in percentage by mass: 65-75 parts of construction waste recycled materials, 3-5 parts of straw powder, 4-6 parts of modified diatomite, 8-14 parts of cement, 3-5 parts of glass fiber, 4-6 parts of silicon oxide, 2-3.5 parts of a water reducing agent and 0.8-1.2 parts of a reinforcing agent;
the construction waste recycled material comprises 68-85 parts of recycled fine aggregate, 18-23 parts of recycled coarse aggregate and 8-13 parts of recycled sand.
Further, the paint comprises the following components in percentage by mass: 75 parts of construction waste reworked materials, 5 parts of straw powder, 6 parts of modified diatomite, 12 parts of cement, 5 parts of glass fiber, 6 parts of silicon oxide, 3 parts of a water reducing agent and 1.2 parts of a reinforcing agent;
the construction waste recycled material comprises 73 parts of recycled fine aggregate, 23 parts of recycled coarse aggregate and 8 parts of recycled sand.
Example 3 is the same as the above examples in material and processing steps, but the ratio of the two is different.
The environmental protection bricks prepared by the construction waste recycled materials prepared according to the mixture ratio and the preparation method in the embodiments 1-3 are tested on the aspects of strength, water permeability, heat preservation property and the like, and the results are evaluated by A, B, C, D, and the following tables show that:
examples Strength of Water permeability Heat insulating property
Example 1 A A C
Example 2 A B A
Example 3 B B A
As can be seen from the table, the environment-friendly brick prepared by the construction waste recycled material prepared by the proportioning and preparation method in the embodiment 1 has better effect in the aspects of strength and water permeability; the environment-friendly brick prepared by the construction waste reclaimed material prepared according to the proportion and the preparation method in the embodiment 2 has better effect on the aspects of strength and heat preservation; the environment-friendly brick prepared from the construction waste recycled material prepared according to the proportion and the preparation method in the embodiment 3 has a good heat preservation effect.
The invention uses the reclaimed material made from the waste construction waste as the main raw material, solves the problems that the construction waste and the industrial waste are difficult to bury and the land occupation area is large, and simultaneously recycles the waste and saves the resources; the straw powder and the glass fiber are added in the preparation process, so that the strength is enhanced, the utilization rate of the straw can be expanded, and meanwhile, the modified diatomite and the silicon oxide are added to enhance the water permeability and the heat insulation performance of the environment-friendly brick.
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 (6)

1. The utility model provides an utilize environmental protection brick of building rubbish reclaimed materials preparation which characterized in that: the composite material comprises the following components in percentage by mass: 65-75 parts of construction waste recycled materials, 3-5 parts of straw powder, 4-6 parts of modified diatomite, 8-14 parts of cement, 3-5 parts of glass fiber, 4-6 parts of silicon oxide, 2-3.5 parts of a water reducing agent and 0.8-1.2 parts of a reinforcing agent;
the construction waste recycled material comprises 68-85 parts of recycled fine aggregate, 18-23 parts of recycled coarse aggregate and 8-13 parts of recycled sand.
2. The environment-friendly brick prepared from construction waste recycled materials according to claim 1, which is characterized in that: the composite material comprises the following components in percentage by mass: 65 parts of construction waste reworked materials, 3 parts of straw powder, 4 parts of modified diatomite, 8 parts of cement, 3 parts of glass fiber, 4 parts of silicon oxide, 2 parts of a water reducing agent and 0.8 part of a reinforcing agent;
the construction waste recycled material comprises 68 parts of recycled fine aggregate, 20 parts of recycled coarse aggregate and 8 parts of recycled sand.
3. The environment-friendly brick prepared from construction waste recycled materials according to claim 1, which is characterized in that: the particle size of the recycled fine aggregate is 1-3mm, the particle size of the recycled coarse aggregate is 4-7mm, and the particle size of the recycled sand is 0.3-0.5 mm.
4. The environment-friendly brick prepared from construction waste recycled materials according to claim 1, which is characterized in that: the straw powder is prepared by crushing dry recycled straws into powdery solid with the granularity of 5-8 mm.
5. The environment-friendly brick prepared from construction waste recycled materials according to claim 1, which is characterized in that: the water reducing agent is a polycarboxylic acid high-performance water reducing agent prepared from carboxylic acid graft multipolymer.
6. A processing technology of an environment-friendly brick prepared by using construction waste reclaimed materials is characterized by comprising the following steps: the method comprises the following operation steps:
s1: mixing raw materials: weighing and mixing a proper amount of regenerated fine bones, regenerated coarse aggregates and regenerated sand according to the mass part, weighing and mixing the regenerated fine bones, the regenerated coarse aggregates and the regenerated sand twice according to the mass part of the construction waste regenerated material, sequentially adding straw powder, modified diatomite, cement and glass fiber into the weighed mixture, and mixing the mixture in a shaker for 10-15 min;
s2: preparing a base material: taking out the mixed raw materials indicated in S1), adding a proper amount of water, stirring for 5-8min, sequentially adding silicon oxide, water reducing agent and reinforcing agent, stirring while adding, stirring for 20-25min, standing for precipitation, precipitating for 6-8h, and pouring out the supernatant to obtain the lower mixed base material;
s3: forming and maintaining: pouring the mixed base material in the step S2) into a brick making mold, pressurizing for 5-10min under the pressure of 15-25MPa, and performing steam curing to obtain the environment-friendly brick prepared by using the construction waste reclaimed material.
CN201911062326.6A 2019-11-02 2019-11-02 Environment-friendly brick prepared from construction waste reclaimed materials and processing technology thereof Pending CN110790536A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112390592A (en) * 2020-11-23 2021-02-23 安徽振林建筑工程有限公司 Building thermal insulation material and processing method thereof
CN113582600A (en) * 2021-08-25 2021-11-02 上海斛卓咨询管理有限公司 Environment-friendly brick manufactured by utilizing construction waste and manufacturing method thereof
CN116409964A (en) * 2021-12-31 2023-07-11 中国石油天然气股份有限公司 Baking-free brick prepared from water-based drilling cuttings and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105819765A (en) * 2016-03-16 2016-08-03 广州世正环保科技发展有限公司 Water retaining and water permeable brick prepared from construction wastes and manufacturing method thereof
CN108609946A (en) * 2018-03-30 2018-10-02 广东怡兴食品有限公司 A kind of high intensity seepage brick and preparation method thereof prepared by building reworked material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105819765A (en) * 2016-03-16 2016-08-03 广州世正环保科技发展有限公司 Water retaining and water permeable brick prepared from construction wastes and manufacturing method thereof
CN108609946A (en) * 2018-03-30 2018-10-02 广东怡兴食品有限公司 A kind of high intensity seepage brick and preparation method thereof prepared by building reworked material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112390592A (en) * 2020-11-23 2021-02-23 安徽振林建筑工程有限公司 Building thermal insulation material and processing method thereof
CN113582600A (en) * 2021-08-25 2021-11-02 上海斛卓咨询管理有限公司 Environment-friendly brick manufactured by utilizing construction waste and manufacturing method thereof
CN116409964A (en) * 2021-12-31 2023-07-11 中国石油天然气股份有限公司 Baking-free brick prepared from water-based drilling cuttings and method

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Application publication date: 20200214