CN104556939B - A kind of building waste ash and preparation method thereof - Google Patents
A kind of building waste ash and preparation method thereof Download PDFInfo
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- CN104556939B CN104556939B CN201410829404.1A CN201410829404A CN104556939B CN 104556939 B CN104556939 B CN 104556939B CN 201410829404 A CN201410829404 A CN 201410829404A CN 104556939 B CN104556939 B CN 104556939B
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- Prior art keywords
- building waste
- gypsum
- building
- raw material
- chemical activator
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- 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 present invention relates to a kind of building waste ash and preparation method thereof, belong to building material technical field.It is that raw material adds chemical activator and makes by building waste and gypsum, and the mass percent of described each raw material is: building waste 80 95%, gypsum 7 20%；The consumption of described chemical activator is the 0.01 0.06% of building waste and gypsum total amount；Described building waste is the building refuse brick after removing metal and other foreign material or concrete plate.The building waste produced by above-mentioned raw materials of the present invention and method is grey through inspection, and all technical reaches and exceeds GB/T1596 2005 " flyash in cement and concrete " standard, and performance is better than flyash.Flyash can be replaced to be widely used in concrete and cement products.Large trade waste is recycled by building waste ash as regenerated resources, saves and substitutes Resources, is conducive to promoting recycling economy development and reducing pollution preserving the ecological environment.Production process does not produce the further pollution to environment.
Description
Technical field
The present invention relates to a kind of building waste ash and preparation method thereof, belong to building material technical field.
Background technology
Along with the speed of urban construction is accelerated, produce substantial amounts of building waste.Building waste is primarily referred to as all kinds of buildings
The useless fragment of brick of generation, concrete plate, cement block, waste residue, mortar the like waste during construction, dismounting etc. built by thing, structures.
The traditional treatment method of these building wastes is to transport to that countryside is piled up, filling ditch slits, or selects concrete plate and be processed into
Raw aggregate, but substantial amounts of rubbish turn can not get recycling.At present, owing to building waste major part is not reused, city is become
The big public hazards of the one of city.
Summary of the invention
For the problems referred to above, the present invention provides a kind of building waste ash and preparation method thereof, it is possible to effective utilization is a large amount of
Building waste, prepared building waste ash can be used in concrete and cement products.
The present invention realizes with following technical scheme: a kind of building waste ash, and it is to be former by building waste and gypsum
Material adds chemical activator and makes, and the mass percent of described each raw material is:
Building waste 80-95%
Gypsum 7-20%；
The consumption of described chemical activator is building waste and the 0.01-0.06% of gypsum total amount；
Described building waste is the building refuse brick after removing metal and other foreign material or concrete plate；
Described chemical activator raw material mass mixture ratio is:
Auxiliary agent raw material mass mixture ratio in chemical activator is:
Specific surface area >=the 500m of above-mentioned building waste ash2/㎏。
The preparation method of above-mentioned building waste ash, specifically comprises the following steps that
(1) raw material is weighed in proportion；
(2) building waste and gypsum disintegrating machine are crushed to granularity 30mm；
(3) building waste and the gypsum of step (2) are dried to moisture content 2%；
(4) building waste and gypsum after drying with twin rollers are pressed further by being crushed to specific surface area >=250m2/
㎏；
(5) chemical activator is added；
(6) mix, be homogenized to specific surface area >=500m with grinding machine grinding2/㎏；It is finished product.
Principle is: the specific surface area that produces under the power effect that Mechanical Crushing, extruding, grinding are different, granule-morphology, particle
Distribution reaches higher unification.
The building waste produced by above-mentioned raw materials of the present invention and method is grey through inspection, and all technical reaches and exceeds
GB/T1596-2005 " flyash in cement and concrete " standard, performance is better than flyash.Flyash can be replaced extensive
It is applicable to concrete and cement products.
The invention has the beneficial effects as follows: through the composition correction complementation of science, excite the lateral reactivity of building waste.Building
Large trade waste is recycled by rubbish ash as regenerated resources, saves and substitutes Resources, is conducive to promoting recycling economy
Development and minimizing pollution are preserved the ecological environment.Production process does not produce the further pollution to environment.
Detailed description of the invention
The present invention and effect is further illustrated below in conjunction with embodiment
Embodiment 1:
Weigh raw material building refuse brick 93kg, gypsum 7kg by weight ratio, mix exciting agent 20mg outward.By building refuse brick
93kg and gypsum 7kg first with the particle of crusher in crushing to average grain diameter 30mm, is dried to moisture content less than 2%, then with right
Chemical activator is mixed, to specific surface area >=500m after continuation grinding 25min after roller machine grinding 50min2/, product.
Embodiment 2:
Weigh raw material building waste concrete plate 88kg, gypsum 12kg by weight ratio, mix exciting agent 50mg outward.Rubbish will be built
Rubbish concrete plate 88kg and gypsum 12kg, first with the particle of crusher in crushing to average grain diameter 30mm, is dried to moisture content and is less than
2%, powder is again with mixing chemical activator after twin rollers grinding 45min, to specific surface area >=500 m after continuation grinding 25min2/
, product.
The product that above-mentioned 2 embodiments make, performance and technology require to be better than GB/T1596-2005 " for water after testing
Flyash in mud and concrete " in the technical parameter of Ι level flyash: specific surface area >=465m2/, water content 0.1%,
Loss on ignition 3.7%, sulfur trioxide 2.98%, free calcium oxide 0.03%, stability 1.0, activity 72%.
2 concrete testing results of embodiment are shown in Table 1.
Table 1
Test example 1-4
Flyash and building waste ash, concrete mix trial comparative experimental example 4, are shown in Table 2,
Material: cement: Shandong first line of a couplet P.O42.5.
Numbering 1,3,5 is the flyash of China Resources power plant.Numbering 2,4,6 is the building waste ash of the application.
Additive: Xuzhou giant dragon JL-1 polycarboxylic acids.
Claims (2)
1. a building waste ash, it is characterised in that it is that raw material adds chemical activator and makes by building waste and gypsum, institute
The mass percent stating each raw material is:
Building waste 80-95%
Gypsum 7-20%；
The consumption of described chemical activator is building waste and the 0.01-0.06% of gypsum total amount；
Described building waste is the building refuse brick after removing metal and other foreign material or concrete plate；
Described chemical activator raw material mass mixture ratio is:
Auxiliary agent raw material mass mixture ratio in chemical activator is:
Specific surface area >=500 of described building waste ash/.
2. the preparation method of a kind of building waste ash described in a claim 1, it is characterised in that specifically comprise the following steps that
(1) raw material is weighed in proportion；
(2) building waste and gypsum disintegrating machine are crushed to granularity 30mm；
(3) building waste and the gypsum of step (2) are dried to moisture content 2%；
(4) building waste after drying with twin rollers and gypsum be pressed further by being crushed to specific surface area >=250/；
(5) chemical activator is added；
(6) mixing, be homogenized to grinding machine grinding specific surface area >=500/；It is finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410829404.1A CN104556939B (en) | 2014-12-26 | 2014-12-26 | A kind of building waste ash and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410829404.1A CN104556939B (en) | 2014-12-26 | 2014-12-26 | A kind of building waste ash and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104556939A CN104556939A (en) | 2015-04-29 |
| CN104556939B true CN104556939B (en) | 2016-08-24 |
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ID=53074128
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410829404.1A Active CN104556939B (en) | 2014-12-26 | 2014-12-26 | A kind of building waste ash and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104556939B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087718C (en) * | 1997-12-02 | 2002-07-17 | 王品伦 | Activating agent for mortar |
| CN102690069A (en) * | 2011-03-21 | 2012-09-26 | 王晓薇 | Regeneration method taking construction wastes as cement raw materials |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086618B (en) * | 2013-01-22 | 2014-07-09 | 浙江大学宁波理工学院 | Construction waste micro-powder solidifying agent for solidifying soil mass |
-
2014
- 2014-12-26 CN CN201410829404.1A patent/CN104556939B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087718C (en) * | 1997-12-02 | 2002-07-17 | 王品伦 | Activating agent for mortar |
| CN102690069A (en) * | 2011-03-21 | 2012-09-26 | 王晓薇 | Regeneration method taking construction wastes as cement raw materials |
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| Publication number | Publication date |
|---|---|
| CN104556939A (en) | 2015-04-29 |
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Effective date of registration: 20181206 Address after: 221000 Husai Town Industrial Park, Peixian County, Xuzhou City, Jiangsu Province Patentee after: Peixian Dimension Green Energy Technology Co.,Ltd. Address before: Room 706, Building 4, Yihe Apartment, Coal Construction Road, Duanzhuang Street, Quanshan District, Xuzhou City, Jiangsu Province, 221000 Co-patentee before: Wang Pinlun Patentee before: XUZHOU YUXIN ENVIRONMENTAL PROTECTION BUILDING MATERIALS Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 221000 Industrial Park, Huzhai Town, Pei County, Xuzhou City, Jiangsu Province Patentee after: Jiangsu DiMeng Green Energy Technology Co.,Ltd. Address before: 221000 Husai Town Industrial Park, Peixian County, Xuzhou City, Jiangsu Province Patentee before: Peixian Dimension Green Energy Technology Co.,Ltd. |