CN103420655A - Renewable-aggregate industrial mortar and preparation method thereof - Google Patents
Renewable-aggregate industrial mortar and preparation method thereof Download PDFInfo
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- CN103420655A CN103420655A CN2013102923420A CN201310292342A CN103420655A CN 103420655 A CN103420655 A CN 103420655A CN 2013102923420 A CN2013102923420 A CN 2013102923420A CN 201310292342 A CN201310292342 A CN 201310292342A CN 103420655 A CN103420655 A CN 103420655A
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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
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Abstract
The invention discloses an industrial mortar using renewable aggregates as a main filling raw material and a preparation method of the industrial mortar. The production formula of the industrial mortar is that 10-30 percent of silicate cement, 10-20 percent of calcium oxide, 10-15 percent of renewable concrete aggregate of which particle size is smaller than or equal to 5 mm, 5-10 percent of renewable clay brick aggregate of which particle size is smaller than or equal to 5 mm, 2-3 percent of renewable glass aggregate of which particle size is smaller than or equal to 5 mm, 10-20 percent of natural yellow sand, 15-25 percent of coal ash, 4-6 percent of water-reducing agent and a proper quantity of water are adopted, wherein the water-reducing rate of the water-reducing agent is required to be greater than 12 percent; preferably, the formula does not contain other components. Through the process of the method, the cost is effectively reduced; the mortar can be used in building surfaces and wall surfaces for plastering, is conducive to improving thermal insulation performance and energy-saving level of buildings, and has higher pressure resistance and tensile strength compared with existing similar products.
Description
Technical field
The present invention relates to a kind of industrial mortar with ecological, environmental protective characteristics, heat insulation function advantage with the regenerated aggregate manufacture.
Background technology
For a long time, the building waste residue that has mineralising characteristics does not obtain good recycling in China.Existing brick made of building waste residuel and building waste residue building block technique, be that the extensive mode of building waste " currency " is utilized, and product does not have characteristic, and technology lacks innovation, therefore the market reward rate is low.Building waste residue resource utilization scientific utilization mode is classified use, gives full play to the different wood property effects of different building waste residues, to produce the material of construction of prominent function.
China's building waste residue mainly consists of waste and old concrete and useless brick (wall), and secondly a small amount of is broken pottery, glass cullet, wood fragments piece, mortar, dregs etc.So, realize just meaning the high added value recycling of waste and old concrete and useless brick and solved the construction refuse resource principal contradiction.The essence of clay brick regenerated aggregate is high strength " haydite ", and the essence of concrete regeneration aggregate is " pottery sand ".Clay brick regenerated aggregate, concrete regeneration aggregate are compared and are had the advantages that porosity is high with natural Aggregate, so heat-insulating property is more superior than natural Aggregate, suitablely are used for manufacturing respectively kind of light building board and the building mortar with insulation characteristics.
Flooring terrace mortar and wall and motar is the main application of building mortar.Traditional terrace mortar and motar are the cement yellow ground mortar that stir working-yard, need on the one hand to consume a large amount of natural sand resources, and heat-insulating property is poor on the other hand, and the working-yard stirring is unfavorable for environment protection.Country advocates the developing industry mortar, realizes the industrialization of mortar production and mortar construction, and adapts to the development need of China's building industrialization.
At present, the Chinese government requires new building will reach building energy conservation 50%.The requirement of building energy conservation is to improve as much as possible the building enclosure thermal and insulating performance of (comprising metope and ground).So improve the thermal and insulating performance of flooring terrace mortar and wall plastering mortar, to improving the building energy conservation level, be effective.
Prior art CN101343160A (open day on January 14th, 2009) is although also disclose a kind of concrete regeneration aggregate industrial mortar and preparation method thereof, but the prior art is too paid close attention to heat-insulating property, prepared mortar strength is inadequate, affects its application in actual production.
Summary of the invention
Purpose of the present invention, the industrial mortar with ecological, environmental protective characteristics of be to provide a kind of and utilize the intensity of regenerated aggregate manufacture suitable, heat insulation function is outstanding, cost is low, to improve the construction refuse resource level of comprehensive utilization, realize the utilization of construction refuse resource scale, improve urban environment, and, by the popularization of cheap and good-quality concrete regeneration aggregate industrial mortar, promote the universal development of industrial mortar.
The present invention is achieved through the following technical solutions:
The regeneration aggregate industrial mortar production formula:
Silicate cement 10-30%, lime 10-20%, the concrete regeneration aggregate 10-15% of particle diameter≤5mm, the clay brick regenerated aggregate 5-10% of particle diameter≤5mm, the glass regenerated aggregate 2-3% of particle diameter≤5mm, natural yellow ground 10-20%, flyash 15-25%, water reducer 4-6%.And appropriate water, wherein water reducer requires water-reducing rate to be greater than 12%.
The regeneration aggregate industrial mortar production technique:
The preparation of the first step regenerated aggregate:
(1) classification of building waste.Realize that the building waste high value added utilization just needs classification processing, to obtain high added value, high-quality regenerated aggregate.By machinery and the building waste manually collection come, be divided three classes, a class is waste and old concrete, and a class is waste and old clayware, and a class is glass and other building wastes.In assorting process, tentatively wood, plastics, iron and steel foreign material are sorted out.
(2) waste and old concrete, clay brick and the glass sorted out is rinsed or do not rinsed directly entered next process.
(3) waste and old regenerated aggregate is thick broken.Carry out thick broken to the bulk waste and old concrete with crushers such as blade of a sword formulas, technical requirements be waste and old concrete is crushed to meet lower together in the particle diameter requirement of broken disintegrating apparatus, and isolate the foreign material such as reinforcing bar.
(4) waste and old regenerated aggregate in broken.Technical requirements is to make waste and old regenerated aggregate be crushed to the particle diameter requirement that meets lower one thin broken disintegrating apparatus, and further isolates the foreign material such as reinforcing bar.
(5) thin broken of waste and old concrete, clay brick and glass.Carry out thin broken with disintegrating apparatus such as sand machines processed, make the waste and old regenerated aggregate particle diameter after fragmentation meet the requirement of regeneration aggregate industrial mortar stopping composition particle diameter, the generalized case maximum particle diameter is not more than 5mm.
(6) put in storage standby.Waste and old regenerated aggregate, as pre-mortar raw material, is directly put in storage standby; As the dry-mixed mortar raw material, need to be dried rear warehouse-in to the waste and old concrete regenerated aggregate standby.
The production of second step regeneration aggregate industrial mortar:
The production of the pre-mortar of regenerated aggregate:
(1) metering.According to the proportioning raw materials requirement of producing the different mortar kinds such as terrace thermal insulation mortar, metope thermal insulation mortar, masonry mortar, gelling material, concrete regeneration aggregate, auxiliary material, additional properties-correcting agent, the metering of water philosophy.
(2) stir.With stirrer, various raw material stirring are mixed into to pre-mortar.
(3) pre-mortar is carried.The pre-mortar be stirred is directly delivered to construction site by motar carrier vehicle, by the mortar pump, deliver to floor, for terrace, wall plastering etc.
A kind of beneficial effect of ecological environment-friendly type regeneration aggregate industrial mortar:
1, a kind of functional materials of cheapness is provided to construction market.Because the regenerated aggregate porosity is high, lower than natural Aggregate density, so the mortar heat insulation function of the natural Aggregate configuration of concrete regeneration aggregate mortar ratio is superior, be used in flooring terrace and wall plastering, be conducive to improve incubation and thermal insulation function and the building energy conservation level of building, and the prepared regeneration aggregate industrial mortar of the present invention, than existing analogous products, has higher resistance to compression and tensile strength.
2, realize waste and old concrete building waste high added value recycling.Waste and old concrete is processed into regenerated aggregate, comprise the processing such as classification, sorting, fragmentation, sand processed, labour cost, the electricity charge, machine loss etc. add up to approximately 20 yuan/t of comprehensive cost, and manufacture the concrete regeneration aggregate industrial mortar price can reach 200 yuan/more than t, increase substantially the added value of waste and old concrete recycling, thereby be conducive to construction refuse resource enterprise, realize market operation.
3, be conducive to environment protection.This project bonding clay brick regenerated aggregate ecotecture sheet material project is promoted, substantially realize large construction refuse resource high value added utilization, reach the expection promotion effect, " building waste recycling " center " project just can be popularized in the whole nation construction; thus the place to go that had both solved building waste; and realize again the development of construction refuse resource industry size, strong promotion " resource-conserving and Environment-friendly city construction ", effectively avoid the pollution of building waste to urban environment.
4, promote the building mortar industrialization.After the universal development of the industrial concrete that continues, industrial mortar will also will be popularized development in China.The release of concrete regeneration aggregate industrial (premix) mortar that cheap heat insulation function is outstanding, the dry-mixed mortar higher than cost more easily accepted by market, is conducive to the industrial mortar industry development.
5, be conducive to mortar construction industrialization.Concrete regeneration aggregate industrial mortar send and is injected into construction location by the mortar pump, and the rebound degree of material is little, adapts to the mortar mechanized construction.
Specific embodiments
Embodiment 1
The thermal insulation mortar production of plastering of regenerated aggregate ground.(1) prepare terrace mortar and gather materials, according to the concrete regeneration aggregate preparation flow, concrete regenerating is become to the concrete regeneration aggregate of particle diameter≤5mm.(2) formula, silicate cement 20%, lime 15%, the concrete regeneration aggregate 12% of particle diameter≤5mm, the clay brick regenerated aggregate 7% of particle diameter≤5mm, the glass regenerated aggregate 2.5% of particle diameter≤5mm, natural yellow ground 15%, flyash 20%, water reducer 7% and appropriate water.Wherein water reducer requires water-reducing rate to be greater than 12%.(3) making flow process according to regeneration aggregate industrial mortar makes.Purposes: be mainly used in room, the reception room of house, and the terrace of public and civil building etc. is plastered.
The embodiment 1 of comparative example: CN101343160A (open day on January 14th, 2009).
Contrast embodiments of the invention 1 and comparative example 1: heat-insulating property, comparative example 1 is consistent with embodiments of the invention.
Ultimate compression strength: 1.5 times (detecting in after construction three days) that the embodiment of the present invention 1 is the comparative example;
Tensile strength: 1.6 times (detecting in after construction three days) that the embodiment of the present invention 1 is the comparative example.
As can be seen here, regeneration aggregate industrial mortar of the present invention has apparent progress and outstanding substantive distinguishing features than the industrial mortar of prior art.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, and any variation of expecting without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (2)
1. regeneration aggregate industrial mortar is characterized in that production formula is:
Silicate cement 10-30%, lime 10-20%, the concrete regeneration aggregate 10-15% of particle diameter≤5mm, the clay brick regenerated aggregate 5-10% of particle diameter≤5mm, the glass regenerated aggregate 2-3% of particle diameter≤5mm, natural yellow ground 10-20%, flyash 15-25%, water reducer 4-6%.And appropriate water, wherein water reducer requires water-reducing rate to be greater than 12%; Preferably, affiliated formula does not comprise other composition.
2. regeneration aggregate industrial mortar production technique claimed in claim 1, is characterized in that comprising the steps:
The preparation of the first step regenerated aggregate:
(1) classification of building waste: realize that the building waste high value added utilization just needs classification processing, to obtain high added value, high-quality regenerated aggregate.By the machinery profit, manually collecting the building waste come, be divided three classes, a class is waste and old concrete, and a class is waste and old clayware, and a class is glass and other building wastes, in assorting process, tentatively wood, plastics, iron and steel foreign material is sorted out;
(2) waste and old concrete, clay brick and the glass sorted out is rinsed or do not rinsed directly entered next process;
(3) waste and old regenerated aggregate is thick broken: carry out thick broken to the bulk waste and old concrete with crushers such as blade of a sword formulas, technical requirements is waste and old concrete to be crushed to meet to break the particle diameter requirement of disintegrating apparatus in together down, and isolates the foreign material such as reinforcing bar;
(4) waste and old regenerated aggregate in broken: technical requirements is to make waste and old regenerated aggregate be crushed to the particle diameter requirement that meets lower one thin broken disintegrating apparatus, and further isolates the foreign material such as reinforcing bar;
(5) thin broken of waste and old concrete, clay brick and glass: carry out thin broken with disintegrating apparatus such as sand machines processed, make the waste and old regenerated aggregate particle diameter after fragmentation meet the requirement of regeneration aggregate industrial mortar stopping composition particle diameter, the generalized case maximum particle diameter is not more than 5mm;
(6) put in storage standby: waste and old regenerated aggregate, as pre-mortar raw material, is directly put in storage standby; As the dry-mixed mortar raw material, need to be dried rear warehouse-in to the waste and old concrete regenerated aggregate standby;
The production of second step regeneration aggregate industrial mortar:
The production of the pre-mortar of regenerated aggregate:
(1) metering: according to the proportioning raw materials requirement of producing the different mortar kinds such as terrace thermal insulation mortar, metope thermal insulation mortar, masonry mortar, gelling material, concrete regeneration aggregate, auxiliary material, additional properties-correcting agent, the metering of water philosophy;
(2) stir: with stirrer, various raw material stirring are mixed into to pre-mortar;
(3) pre-mortar is carried: the pre-mortar be stirred is directly delivered to construction site by motar carrier vehicle, by the mortar pump, deliver to floor, for terrace, wall plastering etc.
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| CN2013102923420A CN103420655A (en) | 2013-07-12 | 2013-07-12 | Renewable-aggregate industrial mortar and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193272A (en) * | 2014-08-27 | 2014-12-10 | 成都市容德建筑劳务有限公司 | Process for casting flower-stand from construction waste |
| CN107056178A (en) * | 2016-10-12 | 2017-08-18 | 上海漕源新型建材有限公司 | A kind of environmentally friendly dry powder and mortar |
| CN108191352A (en) * | 2018-03-14 | 2018-06-22 | 南京富源资源利用有限公司 | The light masonry mortar prepared using discarded clay brick |
-
2013
- 2013-07-12 CN CN2013102923420A patent/CN103420655A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193272A (en) * | 2014-08-27 | 2014-12-10 | 成都市容德建筑劳务有限公司 | Process for casting flower-stand from construction waste |
| CN104193272B (en) * | 2014-08-27 | 2016-03-23 | 成都来宝石油设备有限公司 | Construction waste is used for the technique that flower platform is built |
| CN107056178A (en) * | 2016-10-12 | 2017-08-18 | 上海漕源新型建材有限公司 | A kind of environmentally friendly dry powder and mortar |
| CN108191352A (en) * | 2018-03-14 | 2018-06-22 | 南京富源资源利用有限公司 | The light masonry mortar prepared using discarded clay brick |
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Application publication date: 20131204 |