CN109400042B - Preparation method for producing standard brick by using activated fly ash solidified by industrial waste residues - Google Patents
Preparation method for producing standard brick by using activated fly ash solidified by industrial waste residues Download PDFInfo
- Publication number
- CN109400042B CN109400042B CN201811644440.5A CN201811644440A CN109400042B CN 109400042 B CN109400042 B CN 109400042B CN 201811644440 A CN201811644440 A CN 201811644440A CN 109400042 B CN109400042 B CN 109400042B
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- CN
- China
- Prior art keywords
- fly ash
- waste
- activated fly
- solidified
- standard brick
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- 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.)
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- 239000011449 brick Substances 0.000 title claims abstract description 34
- 239000010881 fly ash Substances 0.000 title claims abstract description 29
- 239000002440 industrial waste Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000002699 waste material Substances 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 238000004056 waste incineration Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 6
- 239000011575 calcium Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000003763 carbonization Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007710 freezing Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 238000011418 maintenance treatment Methods 0.000 claims description 2
- 239000004568 cement Substances 0.000 abstract description 5
- 239000004927 clay Substances 0.000 abstract description 5
- 239000004035 construction material Substances 0.000 abstract description 4
- 239000011456 concrete brick Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 235000019738 Limestone Nutrition 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000006028 limestone Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000002893 slag Substances 0.000 description 5
- 239000004566 building material Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 2
- 239000002956 ash Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
- 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
- C04B28/021—Ash cements, e.g. fly ash cements ; Cements based on incineration residues, e.g. alkali-activated slags from waste incineration ; Kiln dust 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/001—Waste organic materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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
The invention discloses a preparation process method for producing a standard brick by using 100% of solidified activated fly ash discharged by a waste incineration plant as a raw material in a recycling manner, which has advanced technical process, high product performance strength and other technical performance indexes exceeding quality standard technical indexes, 100% of the treated waste solidified activated fly ash is prepared into the standard brick, 100% of the standard brick replaces products such as clay sintered bricks, cement concrete bricks and the like in the market and is used as building engineering construction materials for industry, civilian use and the like, 100% of the standard brick saves materials such as natural mineral clay, limestone, cement and the like, protects resources and ecological environment from being polluted, saves energy, reduces emission, saves energy consumption, changes waste into valuable, has the waste utilization rate of 100%, solves the problems of leaving roads and technology for the waste solidified activated fly ash discharged by the waste incineration plant, improves the technical level of recycling industrial waste in China, saves cost for enterprises, and makes contributions to social benefits, environmental benefits and economic benefits.
Description
Technical Field
The invention relates to a preparation method for producing a standard brick by using activated fly ash solidified by industrial waste residues, belonging to the technical field of energy conservation, emission reduction, environmental protection and building materials.
Background
The treatment of garbage becomes one of the important factors influencing the sustainable development of urban economy in China, and the treatment of garbage in China is mainly carried out in an incineration mode at present so as to achieve reduction. However, a part of dust generated after the garbage incineration has different degrees of harm, namely, the garbage fly ash discharged after the garbage incineration has the emission of about 5000 ten thousand tons every year, and is completely solidified and piled up or buried, so that a large amount of land resources are seriously occupied, and underground water resources are seriously polluted. Therefore, the development of a method for utilizing solidified waste fly ash is one of the problems of the world;
although there are many solutions for garbage disposal or waste utilization, the solutions are relatively expensive, and the solutions generate secondary pollution during the implementation process, and the overall treatment effect is not ideal, so that there is an urgent need for a new solution to solve the technical problem.
Disclosure of Invention
The invention aims to provide a preparation method for producing a standard brick by using activated fly ash solidified by industrial waste residue, which adopts the activated fly ash solidified by the industrial waste residue to replace materials such as clay firing bricks, cement concrete bricks and the like in the current market.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a preparation method for producing standard bricks by using activated fly ash solidified by industrial waste residue is characterized by comprising the following steps:
1) Preparing raw materials;
2) Mixing the raw materials, and processing the product;
3) And (5) maintaining and treating the product.
As an improvement of the invention, the raw material preparation 1) is specifically that activated fly ash solidified from industrial waste slag discharged from a waste incineration plant is crushed, dehydrated and cooled by heat energy, and crushed by waste slag calcium for standby.
As an improvement of the invention, the product processed by mixing the raw materials in the step 2) is specifically prepared by crushing the solidified activated fly ash of industrial waste slag discharged from a garbage incineration plant, dehydrating and cooling by heat energy for later use, taking 100% of the solidified activated fly ash as a raw material by weight percentage, adding 3-5% of the total weight of the waste slag calcium, mixing and stirring, and feeding the mixture into a brick making machine to press the mixture into a standard brick of 53 multiplied by 115 multiplied by 175mm or 53 multiplied by 115 multiplied by 240 mm.
As an improvement of the invention, the maintenance treatment of the product in the step 3) is as follows: stacking the products prepared in the step 2), curing and curing the products into the standard bricks, wherein the quality technical indexes are that the strength grade is 20-45MPa, the saturation coefficient value is 0.88, the water absorption rate value is 5-23%, and the shrinkage rate value is 0.05, and the standard bricks are used as building engineering construction materials for industry, civil use and the like.
As an improvement of the invention, the product index cured in the step 3) further comprises: an anti-freezing value of 5-25, a carbonization coefficient value of 0.80 and a softening coefficient value of 0.8.
Compared with the prior art, the invention has the following advantages:
1) The technical scheme solves the problems that the solidified waste fly ash discharged by a waste incineration plant changes waste into valuable, the waste is utilized, the resources and the energy are saved, the ecological environment is protected, and the waste incineration plant becomes a building material brick source; 2) The scheme 100% resource utilizes waste residues such as activated fly ash solidified by industrial waste residues discharged from a waste incineration plant as raw materials; the produced standard brick of a new building material can replace clay sintered bricks, cement concrete bricks and the like in the current market and be used for construction of industrial, civil and other building projects, the preparation process is advanced, and the applicability is strong; 3) The scheme saves a large amount of natural resources such as clay, limestone, coal, cement and the like, protects resources, and has a waste utilization rate of 100%; 4) In the production process of the scheme, no waste residue, waste water and waste ash are discharged, and the environment is not polluted; 5) The product has high brick quality and strength, and each technical index exceeds the technical standard performance of standard brick quality; 6) Provides a new technical method for discharging solidified waste fly ash from waste incineration plants, and improves the technical level of resource utilization of industrial waste residue in China.
Detailed Description
The invention is described in further detail below with reference to specific embodiments in order to enhance the understanding and appreciation of the invention.
Example 1: the preparation process method for producing the standard brick by using the solidified activated fly ash of the industrial waste residue discharged by the waste incineration plant as the resource comprises the following steps: crushing the solidified activated fly ash of industrial waste residue discharged from a waste incineration plant, and dehydrating and cooling the crushed activated fly ash by using heat energy for later use; 100 percent of solidified activated fly ash is taken as raw material according to the weight percentage, 5 percent of the total amount of the added waste wood calcium is taken as raw material according to the weight percentage to be mixed and stirred, the mixture is sent into a brick making machine to be pressed into a standard brick with the thickness of 53 multiplied by 115 multiplied by 175mm or 53 multiplied by 115 multiplied by 240mm, and the standard brick is piled up to be solidified and cured into quality technical indexes, and the quality technical indexes are detected to be 48MPa, the saturation coefficient value is 0.51, the water absorption value is 5.6, the recovery coefficient value is 0.03, the freezing resistance value is 5.0, the carbonization coefficient value is 0.5, and the softening coefficient value is 0.8, thus obtaining the standard brick of the invention, which is directly used as the building engineering construction material for industry, civil use and the like.
Example 2: crushing the solidified activated fly ash of industrial waste residue discharged from a waste incineration plant, and dehydrating and cooling the crushed activated fly ash by heat energy for later use; 100 percent of solidified activated fly ash calculated according to weight percentage is taken as raw material, 3 percent of waste slag calcium is taken as raw material according to weight percentage for mixing and stirring, the raw material is sent into a brick making machine to be pressed into a standard brick with the thickness of 53 multiplied by 115 multiplied by 175mm or 53 multiplied by 115 multiplied by 240mm, and the standard brick is piled up to be solidified and cured into quality technical indexes, and the quality technical indexes are detected to be 26MPa, the saturation coefficient value is 0.8, the water absorption value is 8.1, the shrinkage coefficient value is 0.04, the freezing resistance value is 8.5, the carbonization coefficient value is 0.75, and the softening coefficient is 0.70, thus obtaining the standard brick of the invention which can be directly used as building engineering construction material for industry, civil use and the like.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and any combination or equivalent changes made on the basis of the above-mentioned embodiments are also within the scope of the present invention.
Claims (2)
1. A preparation method for producing a standard brick by using activated fly ash solidified by industrial waste residue is characterized by comprising the following steps:
1) Preparing raw materials;
2) Mixing the raw materials, and processing the product;
3) Curing the product;
the preparation of the raw materials in the step 1) comprises the following steps of crushing activated fly ash solidified by industrial waste residues discharged from a waste incineration plant, dehydrating and cooling the crushed activated fly ash by heat energy for later use, and crushing waste residue wood calcium for later use;
mixing and processing products of the raw materials in the step 2), specifically, taking 100 percent of solidified activated fly ash as a raw material in percentage by weight, adding 3 to 5 percent of waste wood calcium in percentage by weight, mixing and stirring, and feeding the mixture into a brick making machine to press the mixture into standard bricks with the thickness of 53 multiplied by 115 multiplied by 175mm or 53 multiplied by 115 multiplied by 240 mm;
the maintenance treatment of the product in the step 3) is as follows: curing and curing the product stack prepared in the step 2) into a standard brick with the quality technical indexes of 20-45MPa of strength grade, 0.88 of saturation coefficient value, 5-23% of water absorption value and 0.05 of shrinkage value.
2. The method for preparing a standard brick from activated fly ash solidified by industrial waste residue according to claim 1, wherein the product index cured in the step 3) further comprises: an anti-freezing value of 5-25, a carbonization coefficient value of 0.80 and a softening coefficient value of 0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811644440.5A CN109400042B (en) | 2018-12-30 | 2018-12-30 | Preparation method for producing standard brick by using activated fly ash solidified by industrial waste residues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811644440.5A CN109400042B (en) | 2018-12-30 | 2018-12-30 | Preparation method for producing standard brick by using activated fly ash solidified by industrial waste residues |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109400042A CN109400042A (en) | 2019-03-01 |
| CN109400042B true CN109400042B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811644440.5A Active CN109400042B (en) | 2018-12-30 | 2018-12-30 | Preparation method for producing standard brick by using activated fly ash solidified by industrial waste residues |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20195469A1 (en) * | 2019-06-03 | 2020-12-04 | Betolar Oy | Mixer, mixing unit, arrangement, and method for mixing a mass |
| CN110978284A (en) * | 2019-11-28 | 2020-04-10 | 谭纪林 | Treatment method for using industrial waste residue solidified fly ash as wet-mixed mortar ingredient |
| CN113563016A (en) * | 2021-08-12 | 2021-10-29 | 李全胜 | Method for preparing environment-friendly bricks by utilizing fly ash of garbage power plant |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607434A (en) * | 2015-02-10 | 2015-05-13 | 重庆大学 | Municipal solid waste incineration fly ash curing method |
| CN105478447A (en) * | 2015-12-30 | 2016-04-13 | 西南科技大学 | Treatment method for incineration fly ash of household rubbish |
| CN107382239A (en) * | 2017-07-18 | 2017-11-24 | 北京科技大学 | For stablizing full solid waste casting resin and the preparation method of Han bioxin flying ash |
| CN108409210A (en) * | 2018-03-14 | 2018-08-17 | 清华大学 | A method of utilizing domestic garbage incineration flyash brickmaking |
-
2018
- 2018-12-30 CN CN201811644440.5A patent/CN109400042B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607434A (en) * | 2015-02-10 | 2015-05-13 | 重庆大学 | Municipal solid waste incineration fly ash curing method |
| CN105478447A (en) * | 2015-12-30 | 2016-04-13 | 西南科技大学 | Treatment method for incineration fly ash of household rubbish |
| CN107382239A (en) * | 2017-07-18 | 2017-11-24 | 北京科技大学 | For stablizing full solid waste casting resin and the preparation method of Han bioxin flying ash |
| CN108409210A (en) * | 2018-03-14 | 2018-08-17 | 清华大学 | A method of utilizing domestic garbage incineration flyash brickmaking |
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| Publication number | Publication date |
|---|---|
| CN109400042A (en) | 2019-03-01 |
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Effective date of registration: 20211102 Address after: 223000 room 505, building 1, No. 9, Haikou Road, Huai'an Economic and Technological Development Zone, Huai'an City, Jiangsu Province Applicant after: Jiangsu Qikun circular economy Industrial Technology Development Co.,Ltd. Address before: No. 99 Tianchang Bingyi Industrial Park Avenue, Binhai County, Yancheng City, Jiangsu Province Applicant before: BINHAI JINNI ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Applicant before: Tan Jilin |
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Effective date of registration: 20240204 Address after: Room 1702, Building 18, Xinghui Garden, Qingshanhu Street, Lin'an City, Hangzhou City, Zhejiang Province, 311399 Patentee after: Xing Shicai Country or region after: China Address before: 223000 room 505, building 1, No. 9, Haikou Road, Huai'an Economic and Technological Development Zone, Huai'an City, Jiangsu Province Patentee before: Jiangsu Qikun circular economy Industrial Technology Development Co.,Ltd. Country or region before: China |