CN105272343A - Environmentally friendly heat-insulation fireproof mortar and preparation method thereof - Google Patents

Environmentally friendly heat-insulation fireproof mortar and preparation method thereof Download PDF

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Publication number
CN105272343A
CN105272343A CN201510782876.0A CN201510782876A CN105272343A CN 105272343 A CN105272343 A CN 105272343A CN 201510782876 A CN201510782876 A CN 201510782876A CN 105272343 A CN105272343 A CN 105272343A
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CN
China
Prior art keywords
environmentally friendly
mortar
friendly heat
heat
insulating fireproof
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CN201510782876.0A
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Chinese (zh)
Inventor
张桂玉
刘军
安百平
景帅帅
郭玉顺
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天元建设集团有限公司
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Priority to CN201510782876.0A priority Critical patent/CN105272343A/en
Publication of CN105272343A publication Critical patent/CN105272343A/en

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Abstract

The invention discloses environmentally friendly heat-insulation fireproof mortar and a preparation method thereof. The heat-insulation fireproof mortar is prepared from, by weight, 30 parts of ordinary Portland cement, 10 parts of pulverized fuel ash, 25 parts of construction waste, 25 parts of vitrified micro beads, 4 parts of gypsum powder, 0.5 part of plant fiber, 2.5 parts of sodium silicate; 1.5 parts of foaming agent and 1.5 parts of redispersable latex powder. The environmentally friendly heat-insulation fireproof mortar is good in bonding performance, can enhance the bonding strength of a heat-insulation material and a wall to the great degree, has superior fireproof performance and certain heat absorption effect, accordingly enhances the fireproof performance of a wall heat insulation system, has strong anti-aging capability and enhances the durability of the heat insulation system. All performance indexes of the mortar meet the performance requirements of Heat-insulation Mortar for Buildings GB/T 20473-2006.

Description

A kind of environmentally friendly heat-insulating fireproof mortar and preparation method thereof
Technical field
The invention belongs to building thermal insulation material technical field, particularly relate to a kind of environmentally friendly heat-insulating fireproof mortar, and the preparation method of this mortar.
Background technology
Along with expanding economy and country are to the promotion of building energy conservation and requirement, the fire prevention of external wall, decoration and being incubated more and more is subject to people's attention.
Select traditional lagging material, thermal conductivity is lower comparatively speaking, good heat insulating, but fire resistance rating is too low, easy initiation fire, and the later stage be easily out of shape, there is the phenomenon that metope hollowing ftractures, and due to field procedure many, construction is complicated, and quality is wayward.At present, the existing architecture exterior wall insulating materials of China mostly is EPS plastics (polystyrene), and it has the advantages such as lightweight, good heat insulating, but its fire resistance is poor, very easily burns, and threatens to resident's person and property safety.
Summary of the invention
The first object of the present invention is to provide a kind of environmentally friendly heat-insulating fireproof mortar, and to solve existing polystyrene material external wall, fire resistance is poor, very easily burn, to the technical problem that resident's person and property safety threaten.
The second object of the present invention is to provide a kind of preparation method of environmentally friendly heat-insulating fireproof mortar.
In order to realize above-mentioned first object, the invention provides a kind of environmentally friendly heat-insulating fireproof mortar, being made up of the raw material of following weight proportion:
ordinary Portland cement 20 ~ 45 weight parts;
flyash 4 ~ 12 weight parts;
building castoff 15 ~ 35 weight parts;
glass bead 10 ~ 30 weight parts;
terra alba 2 ~ 8 weight parts;
vegetable fibre 0.3 ~ 1.5 weight part;
water glass 1 ~ 5 weight part;
whipping agent 1 ~ 5 weight part;
redispersable latex powder 0.5 ~ 3 weight part.
The present invention's environmentally friendly heat-insulating fireproof mortar as above, preferably:
Ordinary Portland cement 30 ~ 43 weight parts;
Flyash 5 ~ 10 weight parts;
Building castoff 20 ~ 30 weight parts;
Glass bead 15 ~ 25 weight parts;
Terra alba 3 ~ 7 weight parts;
Vegetable fibre 0.5 ~ 1.0 weight part;
Water glass 1 ~ 3 weight part;
whipping agent 1 ~ 3 weight part;
redispersable latex powder 0.5 ~ 2 weight part.
The present invention's environmentally friendly heat-insulating fireproof mortar as above, preferably:
ordinary Portland cement 35 weight parts;
flyash 8 weight parts;
building castoff 25 weight parts;
glass bead 20 weight parts;
terra alba 5 weight parts;
vegetable fibre 0.8 weight part;
water glass 2 weight parts;
whipping agent 2 weight parts;
redispersable latex powder 1 weight part.
The present invention's environmentally friendly heat-insulating fireproof mortar as above, preferably: described ordinary Portland cement is the ordinary Portland cement of label 42.5.
The present invention's environmentally friendly heat-insulating fireproof mortar as above, preferably: the fineness of described flyash is national standard I grade.
The present invention's environmentally friendly heat-insulating fireproof mortar as above, preferably: described building castoff is the discarded concrete of building demolition generation and broken mortar block, maximum particle diameter is not more than 2.36mm, and particle diameter is less than 0.075mm powdered granule part must not be greater than 15%.
The present invention's environmentally friendly heat-insulating fireproof mortar as above, preferably: described vegetable fibre utilizes the straw from village after pulverizing to obtain through alkaline solution treatment, and the staple length of vegetable fibre is 6mm ~ 10mm.
The present invention's environmentally friendly heat-insulating fireproof mortar as above, preferably: described water glass degree Beaume 0.39 ~ 0.41, modulus 3.1 ~ 3.4, soluble solids >=99%.
The present invention's environmentally friendly heat-insulating fireproof mortar as above, preferably: described whipping agent is formed by the weight proportion mixture of 1:1 by Sodium dodecylbenzene sulfonate and sodium lauryl sulphate.
In order to realize above-mentioned second object, the invention provides a kind of preparation method of environmentally friendly heat-insulating fireproof mortar, comprising the following steps:
Each raw material weight is weighed respectively according to proportioning raw materials; First cement, flyash, terra alba, redispersable latex powder are mixed in agravic blender, then construction waste composition granule, glass bead, vegetable fibre are dropped in agravic blender, carry out abundant mix and blend and form raw mixture, raw mixture is loaded packing bag for subsequent use;
Pack the water glass weighed by proportioning raw materials with plastic packaging bag, packaged water glass is placed in packing bag;
During construction usage, raw mixture and water mix and blend, the ratio of raw mixture and water is 1:1 ~ 1.5, and adds the water glass in plastic packaging bag simultaneously, uses after fully stirring.
The invention has the beneficial effects as follows:
The interpolation of vegetable fibre, it can mix with cement, flyash, aggregate etc., thus the snappiness of reinforced mortar, reduce the dry-shrinkage deformed of mortar, increase the internal stress of mortar, the resistance to cleavage of reinforced mortar.
The building castoff that the present invention adopts be the discarded concrete produced in construction project removal process, discarded broken clay fragment of brick etc. through broken, repair the operation such as type, screening after the good fine particle of the granule-morphology that formed.Its application in heat-insulating fireproof mortar can reduce the impact of building castoff on environment to a certain extent, and can save a certain amount of river sand resource.Meet the requirement of environment sustainable development.
The glass bead that the present invention adopts is light skeletal, is that one has high performance novel inorganic light heat-insulating material, has good heat-insulating property, the advantages such as unit weight is little, thermal conductivity is low.There is good insulated fire performance.
Add water glass in heat-insulating fireproof mortar proportioning of the present invention, it can increase the toughness of thermal insulation mortar, strengthens the resistance to cleavage of thermal insulation mortar, and workability when can strengthen thermal insulation mortar construction operation.
Be mixed with whipping agent in the present invention, it adds water to stir in construction process at mortar and can produce a large amount of uniform bubble, is the air bladder that thermal insulation mortar inside forms a large amount of hollow, thus enhances the thermal and insulating performance of mortar.
Embodiment
The embodiment recorded at this is specific embodiment of the present invention, for illustration of design of the present invention, is all explanatory and exemplary, should not be construed as the restriction to embodiment of the present invention and the scope of the invention.Except the embodiment recorded at this, those skilled in the art can also adopt other technical scheme apparent based on the content disclosed in the application's claims and specification sheets, and these technical schemes comprise the technical scheme making any apparent substitutions and modifications adopted the embodiment recorded at this.
The invention provides a kind of environmentally friendly heat-insulating fireproof mortar, be made up of the raw material of following weight proportion:
Ordinary Portland cement 20 ~ 45 weight part; Preferably: described ordinary Portland cement is the ordinary Portland cement of label 42.5.
Flyash 4 ~ 12 weight part; Preferably: the fineness of described flyash is national standard more than I grade.
Building castoff 15 ~ 35 weight part; Preferably: described building castoff is the discarded concrete of building demolition generation and broken mortar block, and maximum particle diameter is not more than 2.36mm, and particle diameter is less than 0.075mm powdered granule part must not be greater than 15%.
Glass bead 10 ~ 30 weight part;
Terra alba 2 ~ 8 weight part;
Vegetable fibre 0.3 ~ 1.5 weight part; Preferably: described vegetable fibre utilizes the straw from village after pulverizing to obtain through alkaline solution treatment, and the staple length of vegetable fibre is 6mm ~ 10mm.
Water glass 1 ~ 5 weight part; Preferably: described water glass degree Beaume 0.39 ~ 0.41, modulus 3.1 ~ 3.4, soluble solids >=99%.。
Whipping agent 1 ~ 5 weight part; Preferably: described whipping agent is formed by the weight proportion mixture of 1:1 by Sodium dodecylbenzene sulfonate and sodium lauryl sulphate.
Redispersable latex powder 0.5 ~ 3 weight part.
The preparation method of above-mentioned environmentally friendly heat-insulating fireproof mortar comprises the following steps:
Each raw material weight is weighed respectively according to proportioning raw materials; First cement, flyash, terra alba, redispersable latex powder are mixed in agravic blender, then construction waste composition granule, glass bead, vegetable fibre are dropped in agravic blender, carry out abundant mix and blend and form raw mixture, raw mixture is loaded packing bag for subsequent use; Pack the water glass weighed by proportioning raw materials with plastic packaging bag, packaged water glass is placed in packing bag; During construction usage, raw mixture and water mix and blend, the ratio of raw mixture and water is 1:1 ~ 1.5, and adds the water glass in plastic packaging bag simultaneously, uses after fully stirring.
In following examples, raw materials used manufacturer and model as follows:
Ordinary Portland cement, manufacturer: associating Cement Group company limited of China, model: P.O42.5;
Flyash, manufacturer: Guo electricity power station, Fei County, Shandong, model: I grade of ash;
Building castoff is discarded mortar, the concrete disintegrating that our company produces, and its maximum particle diameter is not more than 2.36mm, particle diameter is less than 0.075mm powdered granule part must not be greater than 15%;
Glass bead, manufacturer: Jiangxi one hundred energy-saving building materials company limited of section, refractoriness more than 1200 DEG C;
Terra alba, calcium carbide cream factory of manufacturer Shandong Fei County state, the requirement of product performance compound JCT1025;
Vegetable fibre, our company passes through wheat stalk, the fiber of paddy stalk after highly basic process, staple length 6mm ~ 10mm;
Water glass, degree Beaume 0.39 ~ 0.41, modulus 3.1 ~ 3.4, soluble solids >=99%;
Whipping agent, is formed by the weight proportion mixture of 1:1 by Sodium dodecylbenzene sulfonate and sodium lauryl sulphate;
Redispersable latex powder, manufacturer: Kuraray Co., Ltd., white powder, can unrestricted flow, solid content >=98%, ash 10 ± 2%, minimum film-forming temperature 5 DEG C.
Embodiment 1
The environmentally friendly heat-insulating fireproof mortar of the present embodiment is made up of the raw material of following weight:
Ordinary Portland cement 30 kilograms;
Flyash 10 kilograms;
Building castoff 25 kilograms;
Glass bead 25 kilograms;
Terra alba 4 kilograms;
Vegetable fibre 0.5 kilogram;
Water glass 2.5 kilogram;
whipping agent 1.5 kilogram;
redispersable latex powder 1.5 kilogram.
The preparation method of above-mentioned environmentally friendly heat-insulating fireproof mortar comprises the following steps: weigh each raw material weight respectively according to proportioning raw materials; First cement, flyash, terra alba, redispersable latex powder are mixed in agravic blender, then construction waste composition granule, glass bead, vegetable fibre are dropped in agravic blender, carry out abundant mix and blend and form raw mixture, raw mixture is loaded packing bag for subsequent use; Pack the water glass weighed by proportioning raw materials with plastic packaging bag, packaged water glass is placed in packing bag; During construction usage, raw mixture and water mix and blend, the ratio of raw mixture and water is 1:1 ~ 1.5, and adds the water glass in plastic packaging bag simultaneously, uses after fully stirring.
Embodiment 2
The environmentally friendly heat-insulating fireproof mortar of the present embodiment is made up of the raw material of following weight:
ordinary Portland cement 35 kilograms;
flyash 6 kilograms;
building castoff 25 kilograms;
glass bead 20 kilograms;
terra alba 7 kilograms;
vegetable fibre 0.5 kilogram;
water glass 2.8 kilogram;
whipping agent 2.2 kilogram;
redispersable latex powder 1.5 kilogram.
The preparation method of above-mentioned environmentally friendly heat-insulating fireproof mortar is in the same manner as in Example 1.
Embodiment 3
The environmentally friendly heat-insulating fireproof mortar of the present embodiment is made up of the raw material of following weight:
ordinary Portland cement 40 kilograms;
flyash 5 kilograms;
building castoff 26 kilograms;
glass bead 18 kilograms;
terra alba 5 kilograms;
vegetable fibre 1 kilogram;
water glass 1.5 kilogram;
whipping agent 1.5 kilogram;
redispersable latex powder 2 kilograms.
The preparation method of above-mentioned environmentally friendly heat-insulating fireproof mortar is in the same manner as in Example 1.
Embodiment 4
The environmentally friendly heat-insulating fireproof mortar of the present embodiment is made up of the raw material of following weight:
Ordinary Portland cement 43 kilograms;
Flyash 12 kilograms;
Building castoff 30 kilograms;
Glass bead 15 kilograms;
Terra alba 3 kilograms;
Vegetable fibre 0.3 kilogram;
water glass 1 kilogram;
whipping agent 3 kilograms;
redispersable latex powder 0.5 kilogram.
The preparation method of above-mentioned environmentally friendly heat-insulating fireproof mortar is in the same manner as in Example 1.
Embodiment 5
The environmentally friendly heat-insulating fireproof mortar of the present embodiment is made up of the raw material of following weight:
ordinary Portland cement 45 kilograms;
flyash 4 kilograms;
building castoff 35 kilograms;
glass bead 10 kilograms;
terra alba 8 kilograms;
vegetable fibre 1.5 kilogram;
water glass 3 kilograms;
whipping agent 1 kilogram;
redispersable latex powder 3 kilograms.
The preparation method of above-mentioned environmentally friendly heat-insulating fireproof mortar is in the same manner as in Example 1.
Beneficial effect:
Carry out resistance to cleavage test with reference to " sand-cement slurry resistance to cleavage test method " JC/T951-2005, result is as follows respectively: the resistance to cleavage of embodiment 1 product-embodiment 5 product is 24 hours leakless.
Carry out heat-insulating property test with reference to " the mensuration protective shield method of Technology of Steady State Thermal Resistance of Thermal Insulating Material and related characteristics " GB10294-2008, the thermal conductivity of embodiment 1-5 product all≤0.065W/ (m.k).
Carry out fire resistance test with reference to " material of construction non-combustibility test method " GB/T5464-2010, the fire-protection rating of embodiment 1-5 product reaches all to A1 level.
Each technical characteristic of above-mentioned disclosure is not limited to that disclosed with combination that is further feature, other combination that those skilled in the art also can carry out between each technical characteristic according to the object of invention, is as the criterion with the object realizing the present invention.

Claims (10)

1. an environmentally friendly heat-insulating fireproof mortar, is characterized in that, is made up of the raw material of following weight proportion:
2. environmentally friendly heat-insulating fireproof mortar according to claim 1, is characterized in that,
3. environmentally friendly heat-insulating fireproof mortar according to claim 1, is characterized in that,
4. the environmentally friendly heat-insulating fireproof mortar according to any one of claim 1-3, is characterized in that, described ordinary Portland cement is the ordinary Portland cement of label 42.5.
5. the environmentally friendly heat-insulating fireproof mortar according to any one of claim 1-3, is characterized in that, the fineness of described flyash is national standard I grade of ash.
6. the environmentally friendly heat-insulating fireproof mortar according to any one of claim 1-3, it is characterized in that, described building castoff is discarded concrete and the mortar block of building demolition generation, the particle maximum particle diameter of building castoff is not more than 2.36mm, and particle diameter is less than 0.075mm powdered granule part must not be greater than 15%.
7. the environmentally friendly heat-insulating fireproof mortar according to any one of claim 1-3, is characterized in that, described vegetable fibre utilizes the straw from village after pulverizing to obtain through alkaline solution treatment, and the staple length of vegetable fibre is 6mm ~ 10mm.
8. the environmentally friendly heat-insulating fireproof mortar according to any one of claim 1-3, is characterized in that, described water glass degree Beaume 0.39 ~ 0.41, modulus 3.1 ~ 3.4, soluble solids >=99%.
9. the environmentally friendly heat-insulating fireproof mortar according to any one of claim 1-3, is characterized in that, described whipping agent is formed by the weight proportion mixture of 1:1 by Sodium dodecylbenzene sulfonate and sodium lauryl sulphate.
10. the preparation method of the environmentally friendly heat-insulating fireproof mortar described in any one of claim 1-9, comprises the following steps:
Each raw material weight is weighed respectively according to proportioning raw materials; First cement, flyash, terra alba, redispersable latex powder are mixed in agravic blender, then construction waste composition granule, glass bead, vegetable fibre are dropped in agravic blender, carry out abundant mix and blend and form raw mixture, raw mixture is loaded packing bag for subsequent use;
Pack the water glass weighed by proportioning raw materials with plastic packaging bag, packaged water glass is placed in packing bag; During construction usage, raw mixture and water mix and blend, the ratio of raw mixture and water is 1:1 ~ 1.5, and adds the water glass in plastic packaging bag simultaneously, uses after fully stirring.
CN201510782876.0A 2015-11-12 2015-11-12 Environmentally friendly heat-insulation fireproof mortar and preparation method thereof CN105272343A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108439885A (en) * 2018-05-03 2018-08-24 福建汇达建筑工程有限公司 A kind of architectural engineering mixed serum and preparation method thereof
CN109160786A (en) * 2018-09-29 2019-01-08 盐城工学院 Based on cured heat-insulating light mortar of waste incineration slag and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070062143A1 (en) * 2005-09-21 2007-03-22 Noushad Rafie L Construction products and method of making same
CN102093030A (en) * 2010-12-16 2011-06-15 辽宁际洲环保节能建材有限公司 Inorganic composite heat insulation material and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070062143A1 (en) * 2005-09-21 2007-03-22 Noushad Rafie L Construction products and method of making same
CN102093030A (en) * 2010-12-16 2011-06-15 辽宁际洲环保节能建材有限公司 Inorganic composite heat insulation material and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108439885A (en) * 2018-05-03 2018-08-24 福建汇达建筑工程有限公司 A kind of architectural engineering mixed serum and preparation method thereof
CN108439885B (en) * 2018-05-03 2019-03-26 福建汇达建筑工程有限公司 A kind of architectural engineering mixed serum and preparation method thereof
CN109160786A (en) * 2018-09-29 2019-01-08 盐城工学院 Based on cured heat-insulating light mortar of waste incineration slag and preparation method thereof
CN109160786B (en) * 2018-09-29 2020-12-01 盐城工学院 Heat-preservation light mortar solidified based on waste incineration slag and preparation method thereof

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Application publication date: 20160127