CN106892581B - Utilize the surface mortar for exterior wall external insulation and preparation method thereof of mill tailings fine sand preparation - Google Patents
Utilize the surface mortar for exterior wall external insulation and preparation method thereof of mill tailings fine sand preparation Download PDFInfo
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- CN106892581B CN106892581B CN201710090476.2A CN201710090476A CN106892581B CN 106892581 B CN106892581 B CN 106892581B CN 201710090476 A CN201710090476 A CN 201710090476A CN 106892581 B CN106892581 B CN 106892581B
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- 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
- C04B18/12—Waste materials; Refuse from quarries, mining or the like
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- 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
- C04B28/04—Portland 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
- 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
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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to a kind of surface mortar for exterior wall external insulation and preparation method thereof using the preparation of mill tailings fine sand, mine tail mineral fine sand is classified to 0.10≤partial size < 0.15mm, 0.15mm≤partial size < 0.20mm, 0.20mm≤tri- gradation regions partial size < 0.40mm in the surface mortar for exterior wall external insulation, is combined according to a certain percentage.Mill tailings fine sand is divided into three gradations by the present invention, it being capable of replacing whole river sand using the mill tailings after combined classification, prepared surface mortar for exterior wall external insulation is had excellent performance, fully meet performance indexes requirement of the GB/T25181-2010 for decorative mortar, and the surface mortar for exterior wall external insulation cost prepared by mill tailings fine sand is substantially reduced, and the cost of surface mortar for exterior wall external insulation per ton reduces by 45 yuan or more.
Description
Technical field
It the present invention relates to the use of industrial by-products mine iron tailings fine sand or copper tailing fine sand prepare the scope of extraordinary mortar,
More particularly to the multistage surface mortar for exterior wall external insulation and preparation method thereof prepared with iron tailings fine sand or copper tailing fine sand.
Background technique
China's SOLID MINERAL RESOURCES overwhelming majority has the spies such as head grade is low, association valuable element is more, disseminated grain size is thin
Sign needs by broken, ore grinding, the beneficiation methods such as sorts and recycle valuable mineral or element therein, and generates a large amount of tailing,
The average grain diameter of tailing is in 0.074mm hereinafter, even more thin.With the rapid development of industrialization and urbanization in China, mineral resources
Consumption be also increasing, the yield of tailing also grows at top speed therewith, and wherein iron tailings sand and copper tailing sand volume of cargo in storage are huge,
The accumulation of a large amount of iron tailings sand or copper tailing sand will cause atmosphere, soil and water pollution, destroy ecological environment, if processing is not
When also will cause the safety problems such as mud-rock flow, dam break, therefore economic, environmental protection, safety and the solid mine concentration for reducing land used
The research of tailings impoundment technology and comprehensive utilization of tailing receives country and the great attention of scientific research personnel.
In recent years, there is fast development in exterior insulation market, with GB50016-2014 " Code for fire protection design of buildings "
Implementation, the demand of the increase of external wall heat insulation system occupation rate, surface mortar for exterior wall external insulation is consequently increased.At present
River sand/natural sand that the fine aggregate of surface mortar for exterior wall external insulation selects partial size to be less than 0.4mm accounts for exterior insulation with smearing
It is 60% or more that facing sand, which starches weight ratio, and river sand/natural sand belongs to limited natural resources, with the hair of China's infrastructure
Exhibition, this kind of natural resources of river sand, quartz sand is more and more in short supply, so that it is higher and higher to also result in its price.Of mill tailings sand
The grading limit of aggregate needed for grain grading limit is suitble to surface mortar for exterior wall external insulation, and soil profile is free of, it can substitute
River sand/natural sand prepares the surface mortar for exterior wall external insulation met the requirements.
Summary of the invention
The purpose of the present invention is optimization iron tailings fine sand or copper tailing fine sand gradations, are formed multistage with iron tailings fine sand or copper
Tail mineral fine sand replacing whole river sand/natural sand carrys out the good surface mortar for exterior wall external insulation of processability as fine aggregate.
Realize that the technical solution of the object of the invention is as follows:
A kind of surface mortar for exterior wall external insulation prepared using mill tailings fine sand, which is characterized in that including following heavy
Measure the component of part: 15-30 parts of the mill tailings fine sand of 0.10≤partial size < 0.15mm, the mine 0.15mm≤partial size < 0.20mm
10-25 parts of tail mineral fine sand；10-25 parts of mill tailings fine sand of 0.20mm≤partial size < 0.40mm；The mill tailings fine sand is
Iron tailings fine sand or copper tailing fine sand.
Surface mortar for exterior wall external insulation of the present invention using the preparation of mill tailings fine sand is also referred to as multistage with mine tail
The surface mortar for exterior wall external insulation of mine preparation.
Remaining group is divided into conventional amount used in the surface mortar for exterior wall external insulation.It is protected outside the exterior wall preferably to be promoted
The impact of performance of warm decorative mortar, it is preferable that the surface mortar for exterior wall external insulation further includes 20-40 parts of cement；Fine coal
It is 10-15 parts grey；1.0-2.0 parts of sierozem power；1.5-3.0 parts of redispersible latex powder；0.05-0.20 parts of fiber；Naphthalene system diminishing
0.15-0.25 parts of agent；0.05-0.15 parts of water-retaining agent；0.01-0.05 parts of calcium stearate.
The above-mentioned surface mortar for exterior wall external insulation prepared using mill tailings fine sand, preferably includes the group of following parts by weight
Point: 15-25 parts of mill tailings fine sand, the 0.15mm≤partial size < 0.20mm mill tailings fine sand of 0.10≤partial size < 0.15mm
10-20 parts；10-20 parts of mill tailings fine sand of 0.20mm≤partial size < 0.40mm；It preferably, further include 20-35 parts of cement；Powder
10-12 parts of coal ash；1.0-1.5 parts of sierozem power；1.5-2.5 parts of redispersible latex powder；0.05-0.15 parts of fiber；Naphthalene system subtracts
0.17-0.23 parts of aqua；0.05-0.12 parts of water-retaining agent；0.01-0.04 parts of calcium stearate；
The above-mentioned surface mortar for exterior wall external insulation prepared using mill tailings fine sand still more preferably includes following heavy
Measure the component of part: 23 parts of mill tailings fine sand of 0.10mm≤partial size < 0.15mm, the mine 0.15mm≤partial size < 0.20mm
20 parts of tail mineral fine sand；19 parts of mill tailings fine sand of 0.20mm≤partial size < 0.40mm；It preferably, further include 22.88 parts of cement；
11 parts of flyash；1.5 parts of sierozem power；2.2 parts of redispersible latex powder；0.1 part of fiber；0.2 part of naphthalene water reducer；Water-retaining agent
0.1 part；0.02 part of calcium stearate.
The above-mentioned surface mortar for exterior wall external insulation prepared using mill tailings fine sand, still more preferably its total weight are
100 parts.
Preferably, river sand or day are free of in the above-mentioned surface mortar for exterior wall external insulation using the preparation of mill tailings fine sand
Right sand substitutes river sand or natural sand with iron tailings fine sand or copper tailing fine sand 100%.
Preferably, the weight content of the above-mentioned surface mortar for exterior wall external insulation using the preparation of mill tailings fine sand is
50%-65%, further preferably 60%.
Preferably, natural radionuclide radium-226, thorium -232, kalium-40 in the iron tailings fine sand or copper tailing fine sand
Specific radioactivity should meet I simultaneouslyRa≤ 1.0 and Ir≤ 1.0, and meet GB6566 " radioactive material radionuclides limitation "
The A class finishing material requirement of standard.
Preferably, the iron tailings fine sand or copper tailing fine sand particle size range are 0.1mm-0.4mm.
Preferably, SiO in the iron tailings fine sand or copper tailing fine sand2Mass percentage is 60%-85%.
Preferably, portland cement or ordinary portland cement that the cement is 42.5-62.5 grades；Preferably 42.5
Grade ordinary portland cement.(meeting 42.5 ordinary portland cement requirement of PO)
The flyash is I grade or II grade of flyash；Preferably I grade of flyash.
The sierozem power is Ca (OH)2, CaO and a small amount of CaCO3Mixture, it is more than 300 mesh of fineness, 90% or more whiteness,
90% or more calcium oxide content.
The fiber is the polypropylene fibre of length 5mm-12mm.
The naphthalene water reducer main component is β base naphthalenesulfonate formaldehyde condensation compound, is pale yellow powder.
The calcium stearate is white powder.
Preferably, the redispersible latex powder includes copolymerization rubber powder, ethylene and the chloroethene of vinylacetate and ethylene
Alkene and vinyl laurate ternary polymerization rubber powder, vinylacetate and ethylene and higher aliphatic vinyl acetate ternary polymerization rubber powder etc.
One or more of；And/or
Preferably, the water-retaining agent includes methylcellulose, carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl
One or more of cellulose etc.；And/or
Preferably, the redispersible latex powder, water-retaining agent are powder.
Iron tailings fine sand or copper tailing fine sand, cement, flyash, sierozem power, fiber, calcium stearate, naphthalene of the present invention
Based water reducer, redispersible latex powder, water-retaining agent can pass through commercially available acquisition.
The present invention also provides it is above-mentioned using mill tailings fine sand preparation surface mortar for exterior wall external insulation preparation method,
Including each component is uniformly mixed in proportion.
Certain ratio is added when use for the surface mortar for exterior wall external insulation of the present invention prepared using mill tailings fine sand
Example water, stirring evenly can be used；It is preferred that amount of water is the 22%-24% of its weight.
It is demonstrated experimentally that amount of water control is in the exterior insulation in above-mentioned surface mortar for exterior wall external insulation use process
With the 22%-24% of decorative mortar weight, it is ensured that the properties of surface mortar for exterior wall external insulation.Exterior insulation is used
Its properties is as shown in the table after its weight 22%-24% water is added in decorative mortar, and performance indexes is all satisfied state
The requirement of family standard GB/T25181-2010 " premixing mortar ".
1 surface mortar for exterior wall external insulation physical and mechanical property of table
The present invention be based on the principle that
Iron tailings fine sand or copper tailing fine sand particle size range used is 0.1mm-0.4mm, while its chemical composition, mineral group
At and fineness stablize, these indexs comply fully with requirement of the surface mortar for exterior wall external insulation to fine aggregate partial size, iron tailings
Fine sand or copper tailing fine sand be classified as partial size 0.10mm≤partial size < 0.15mm, 0.15mm≤partial size < 0.20mm, 0.20mm≤
The tri- gradation regions partial size < 0.40mm, are combined according to a certain percentage, so that fine aggregate and powder meet most closely together
Accumulation is theoretical, is not only able to reduce water consumption in this way, and can improve hardenite microstructure, improves exterior insulation with smearing
The mechanical property and durability of facing sand slurry hardened paste.
Beneficial effects of the present invention:
1) fine aggregate uses iron tailings fine sand or copper tailing fine sand completely, and iron tailings fine sand or copper tailing fine sand 100% replace
For river sand or natural sand.
2) iron tailings fine sand or the surface mortar for exterior wall external insulation of copper tailing fine sand preparation are had excellent performance, and are fully met
The performance indexes requirement of GB/T25181-2010 " premixing mortar ".
3) iron tailings fine sand or copper tailing fine sand volume account for the 60% of surface mortar for exterior wall external insulation weight, and iron tailings is thin
Sand is at low cost, so that the surface mortar for exterior wall external insulation cost of preparation is substantially reduced, every surface mortar for exterior wall external insulation
Cost reduce by 45 yuan or more.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..It is not specified in embodiment specific
Technology or conditions person, described technology or conditions according to the literature in the art, or carried out according to product description.It is used
Production firm person is not specified in reagent or instrument, is the conventional products that can be commercially available by regular distributor.
Iron tailings fine sand, copper tailing fine sand are provided by Chengde Jinyu Cement Co., Ltd, and the iron tailings fine sand, copper tailing are thin
Natural radionuclide radium-226 in sand, thorium -232, kalium-40 specific radioactivity meet I simultaneouslyRa≤ 1.0 and Ir≤1.0；
SiO in the iron tailings fine sand, copper tailing fine sand2Mass percentage is 60%-85%.
Iron tailings fine sand, copper tailing fine sand are classified as 0.10mm≤partial size < 0.15mm, 0.15mm≤partial size <
0.20mm, 0.20mm≤tri- gradation regions partial size < 0.40mm, it is spare.
42.5 grades of ordinary portland cements are purchased from Beijing Jinyu cement Trade Co., Ltd.；Naphthalene water reducer is rich purchased from Jiangsu
Special new material Co., Ltd；Flyash hits edge Industrial Co., Ltd. purchased from Tangshan City；Sierozem power is purchased from Baoding sun,moon and star ash calcium
Co., Ltd；Fiber is purchased from Zibo Jin Tong chemical fibre Co., Ltd；Calcium stearate is purchased from Zibo City, the Five Dragons, Zichuan chemical materials factory；
Redispersible latex powder is purchased from Jinan Yue Kai Chemical Co., Ltd.；Water-retaining agent is purchased from Shandong Su Nuoke Chemical Co., Ltd..
The above naphthalene water reducer, calcium stearate, sierozem power, redispersible latex powder, water-retaining agent are powder.
The method for testing performance of following embodiment and comparative example surface mortar for exterior wall external insulation presses GB/T25181-2010
" premixing mortar " test method carries out.
Embodiment 1
A kind of surface mortar for exterior wall external insulation prepared using mill tailings fine sand, is comprised the following components in parts by weight:
0.20mm≤partial size < 0.40mm iron tailings fine sand: 19 parts；
0.15mm≤partial size < 0.20mm iron tailings fine sand: 20 parts；
0.10mm≤partial size < 0.15mm iron tailings fine sand: 23 parts；
42.5 grades of ordinary portland cements: 22.88 parts；
I grade of flyash: 11 parts；
Sierozem power: 1.5 parts；
Calcium stearate: 0.02 part；
Redispersible latex powder: 2.2 parts；
5mm polypropylene fibre: 0.1 part；
Naphthalene water reducer: 0.2 part；
Water-retaining agent: 0.1 part；
Above each raw material, which is mixed in proportion, can be prepared by.
Its properties is as shown in table 2 after its 23% water of weight is added in surface mortar for exterior wall external insulation.
2 exterior insulation of table plastering physical and mechanical property
Embodiment 2
A kind of surface mortar for exterior wall external insulation prepared using mill tailings fine sand, is comprised the following components in parts by weight:
0.20mm≤partial size < 0.40mm copper tailing fine sand: 19 parts；
0.15mm≤partial size < 0.20mm copper tailing fine sand: 20 parts；
0.10mm≤partial size < 0.15mm copper tailing fine sand: 23 parts；
42.5 grades of ordinary portland cements: 22.88 parts；
I grade of flyash: 11 parts；
Sierozem power: 1.5 parts；
Calcium stearate: 0.02 part；
Redispersible latex powder: 2.2 parts；
5mm polypropylene fibre: 0.1 part；
Naphthalene water reducer: 0.2 part；
Water-retaining agent: 0.1 part；
Above each raw material, which is mixed in proportion, can be prepared by.
Its properties is as shown in table 3 after its 23% water of weight is added in surface mortar for exterior wall external insulation.
3 exterior insulation of table plastering physical and mechanical property
Embodiment 3
A kind of surface mortar for exterior wall external insulation prepared using mill tailings fine sand, is comprised the following components in parts by weight:
0.20mm≤partial size < 0.40mm copper tailing fine sand: 25 parts；
0.15mm≤partial size < 0.20mm copper tailing fine sand: 20 parts；
0.10mm≤partial size < 0.15mm copper tailing fine sand: 17 parts；
42.5 grades of ordinary portland cements: 22.88 parts；
I grade of flyash: 11 parts；
Sierozem power: 1.5 parts；
Calcium stearate: 0.02 part；
Redispersible latex powder: 2.2 parts；
5mm polypropylene fibre: 0.1 part；
Naphthalene water reducer: 0.2 part；
Water-retaining agent: 0.1 part；
Above each raw material, which is mixed in proportion, can be prepared by.
Its properties is as shown in table 4 after its 23% water of weight is added in surface mortar for exterior wall external insulation.
4 exterior insulation of table plastering physical and mechanical property
Comparative example 1
A kind of surface mortar for exterior wall external insulation prepared using mill tailings fine sand, the difference from embodiment 1 is that iron
Tail mineral fine sand is there are partial size >=0.4mm particle but is not classified as 0.10mm≤partial size < 0.15mm, 0.15mm≤partial size <
0.20mm, 0.20mm≤tri- gradation regions partial size < 0.40mm, but directly adopt and be not classified tail mineral fine sand, including is following heavy
Measure the component of part:
Partial size < 1mm's is not classified iron tailings fine sand: 62 parts
42.5 grades of ordinary portland cements: 22.88 parts；
I grade of flyash: 11 parts；
Sierozem power: 1.5 parts；
Calcium stearate: 0.02 part；
Redispersible latex powder: 2.2 parts；
5mm polypropylene fibre: 0.1 part；
Naphthalene water reducer: 0.2 part；
Water-retaining agent: 0.1 part；
Above each raw material, which is mixed in proportion, can be prepared by.
Its properties is as shown in table 5 after its 23% water of weight is added in surface mortar for exterior wall external insulation.
5 exterior insulation of table plastering physical and mechanical property
Comparative example 2
A kind of surface mortar for exterior wall external insulation prepared using mill tailings fine sand, the difference with embodiment 1 are only that
It is classified as partial size 0.10mm≤partial size < 0.15mm, 0.15mm≤partial size < 0.20mm, 0.20mm≤partial size < 0.40mm tri-
The tail mineral fine sand ratio in gradation region comprises the following components in parts by weight except iron tailings fine sand particle size range of the present invention:
0.20mm≤partial size < 0.40mm iron tailings fine sand: 30 parts；
0.15mm≤partial size < 0.20mm iron tailings fine sand: 20 parts；
0.10mm≤partial size < 0.15mm iron tailings fine sand: 12 parts；
42.5 grades of ordinary portland cements: 22.88 parts；
I grade of flyash: 11 parts；
Sierozem power: 1.5 parts；
Calcium stearate: 0.02 part；
Redispersible latex powder: 2.2 parts；
5mm polypropylene fibre: 0.1 part；
Naphthalene water reducer: 0.2 part；
Water-retaining agent: 0.1 part；
Above each raw material, which is mixed in proportion, can be prepared by.
Its properties is as shown in table 6 after its 23% water of weight is added in surface mortar for exterior wall external insulation.
6 exterior insulation of table plastering physical and mechanical property
Comparative example 3
A kind of surface mortar for exterior wall external insulation prepared using mill tailings fine sand, the difference with embodiment 1 are only that
It is classified as partial size 0.10mm≤partial size < 0.15mm, 0.15mm≤partial size < 0.20mm, 0.20mm≤partial size < 0.40mm tri-
The tail mineral fine sand ratio in gradation region comprises the following components in parts by weight except copper tailing fine sand particle size range of the present invention:
0.20mm≤partial size < 0.40mm copper tailing fine sand: 8 parts；
0.15mm≤partial size < 0.20mm copper tailing fine sand: 19 parts；
0.10mm≤partial size < 0.15mm copper tailing fine sand: 35 parts；
42.5 grades of ordinary portland cements: 22.88 parts；
I grade of flyash: 11 parts；
Sierozem power: 1.5 parts；
Calcium stearate: 0.02 part；
Redispersible latex powder: 2.2 parts；
5mm polypropylene fibre: 0.1 part；
Naphthalene water reducer: 0.2 part；
Water-retaining agent: 0.1 part；
Above each raw material, which is mixed in proportion, can be prepared by.
Its properties is as shown in table 7 after its 23% water of weight is added in surface mortar for exterior wall external insulation.
7 exterior insulation of table plastering physical and mechanical property
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, fall within the scope of the claimed invention without departing from theon the basis of the spirit of the present invention.
Claims (15)
1. a kind of surface mortar for exterior wall external insulation prepared using mill tailings fine sand, which is characterized in that including following weight
The component of part: 15-30 parts of mill tailings fine sand, the 0.15mm≤partial size < 0.20mm mine tail of 0.10≤partial size < 0.15mm
10-25 parts of mine fine sand；10-25 parts of mill tailings fine sand of 0.20mm≤partial size < 0.40mm；The mill tailings fine sand is iron
Tail mineral fine sand or copper tailing fine sand.
2. surface mortar for exterior wall external insulation according to claim 1, which is characterized in that further include the group of following parts by weight
Point: 20-40 parts of cement；10-15 parts of flyash；1.0-2.0 parts of sierozem power；1.5-3.0 parts of redispersible latex powder；Fiber
0.05-0.20 parts；0.15-0.25 parts of naphthalene water reducer；0.05-0.15 parts of water-retaining agent；0.01-0.05 parts of calcium stearate.
3. surface mortar for exterior wall external insulation according to claim 1, which is characterized in that comprise the following components in parts by weight
15-25 parts of mill tailings fine sand, the 0.15mm≤partial size < 0.20mm mill tailings fine sand 10- of 0.10≤partial size < 0.15mm
20 parts；10-20 parts of mill tailings fine sand of 0.20mm≤partial size < 0.40mm.
4. surface mortar for exterior wall external insulation according to claim 3, which is characterized in that further include 20-35 parts of cement；Powder
10-12 parts of coal ash；1.0-1.5 parts of sierozem power；1.5-2.5 parts of redispersible latex powder；0.05-0.15 parts of fiber；Naphthalene system subtracts
0.17-0.23 parts of aqua；0.05-0.12 parts of water-retaining agent；0.01-0.04 parts of calcium stearate.
5. surface mortar for exterior wall external insulation according to claim 1, which is characterized in that the group including following parts by weight
Point: 23 parts of mill tailings fine sand, the 0.15mm≤partial size < 0.20mm mill tailings fine sand 20 of 0.10≤partial size < 0.15mm
Part；19 parts of mill tailings fine sand of 0.20mm≤partial size < 0.40mm.
6. surface mortar for exterior wall external insulation according to claim 5, which is characterized in that further include 22.88 parts of cement；Powder
11 parts of coal ash；1.5 parts of sierozem power；2.2 parts of redispersible latex powder；0.1 part of fiber；0.2 part of naphthalene water reducer；Water-retaining agent
0.1 part；0.02 part of calcium stearate.
7. surface mortar for exterior wall external insulation according to claim 1-6, which is characterized in that without river sand or
Quartz sand.
8. surface mortar for exterior wall external insulation according to claim 1-6, which is characterized in that its total weight is
100 parts.
9. surface mortar for exterior wall external insulation according to claim 1-6, which is characterized in that protected outside the exterior wall
Temperature is 50%-65% with the weight content of mine tail mineral fine sand in decorative mortar.
10. surface mortar for exterior wall external insulation according to claim 9, which is characterized in that the exterior insulation is with smearing
The weight content of mine tail mineral fine sand is 60% in facing sand slurry.
11. surface mortar for exterior wall external insulation according to claim 1-6, which is characterized in that the mine tail
SiO in mine fine sand2Mass percentage is 60%-85%.
12. according to the described in any item surface mortar for exterior wall external insulation of claim 2,4,6, which is characterized in that the cement
For 42.5-62.5 grades of portland cement or ordinary portland cement；And/or
The flyash is I grade or II grade of flyash；And/or
The sierozem power is Ca (OH)2, CaO and a small amount of CaCO3Mixture, it is more than 300 mesh of fineness, 90% or more whiteness, oxidation
90% or more calcium content；And/or
The fiber is the polypropylene fibre of length 5mm-12mm；And/or
The naphthalene water reducer main component is β base naphthalenesulfonate formaldehyde condensation compound.
13. according to the described in any item surface mortar for exterior wall external insulation of claim 2,4,6, which is characterized in that it is described can be again
Dispersed latex powder includes copolymerization rubber powder, ethylene and vinyl chloride and the vinyl laurate ternary polymerization of vinylacetate and ethylene
One or more of rubber powder, vinylacetate and ethylene and higher aliphatic vinyl acetate ternary polymerization rubber powder；And/or
The water-retaining agent includes methylcellulose, carboxymethyl cellulose, hydroxyethyl cellulose, one in hydroxypropyl methyl cellulose
Kind is several.
14. according to the described in any item surface mortar for exterior wall external insulation of claim 2,4,6, which is characterized in that it is described can be again
Dispersed latex powder, water-retaining agent are powder.
15. the preparation method of any one of the claim 1-9 surface mortar for exterior wall external insulation, which is characterized in that including pressing
Each component is uniformly mixed by ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710090476.2A CN106892581B (en) | 2017-02-20 | 2017-02-20 | Utilize the surface mortar for exterior wall external insulation and preparation method thereof of mill tailings fine sand preparation |
Applications Claiming Priority (1)
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| CN101348357A (en) * | 2007-07-18 | 2009-01-21 | 深圳市海川实业股份有限公司 | Exterior wall external heat insulation cementing mortar |
| CN104086146A (en) * | 2014-07-23 | 2014-10-08 | 武汉理工大学 | Resource utilization method of mine tailings |
| CN106220115A (en) * | 2016-07-19 | 2016-12-14 | 北京建筑材料科学研究总院有限公司 | Utilize gypsum base gravity flowing levelling mortar prepared by iron tailings fine sand and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101348357A (en) * | 2007-07-18 | 2009-01-21 | 深圳市海川实业股份有限公司 | Exterior wall external heat insulation cementing mortar |
| CN104086146A (en) * | 2014-07-23 | 2014-10-08 | 武汉理工大学 | Resource utilization method of mine tailings |
| CN106220115A (en) * | 2016-07-19 | 2016-12-14 | 北京建筑材料科学研究总院有限公司 | Utilize gypsum base gravity flowing levelling mortar prepared by iron tailings fine sand and preparation method thereof |
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Effective date of registration: 20200103 Address after: 100041 No. 69 Jinding North Road, Beijing, Shijingshan District Co-patentee after: Hebei Rui solid Cable Engineering Technology Research Institute Co. Ltd. Patentee after: Beijing Building Materials Academy of Sciences Research Co-patentee after: Beijing Jinyu mortar Co., Ltd Address before: 100041 No. 69 Jinding North Road, Beijing, Shijingshan District Co-patentee before: Hebei Rui solid Cable Engineering Technology Research Institute Co. Ltd. Patentee before: Beijing Building Materials Academy of Sciences Research |