CN103804012B - A kind of fire-retardant heat-insulation material and its preparation method and application - Google Patents

A kind of fire-retardant heat-insulation material and its preparation method and application Download PDF

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CN103804012B
CN103804012B CN201210458125.XA CN201210458125A CN103804012B CN 103804012 B CN103804012 B CN 103804012B CN 201210458125 A CN201210458125 A CN 201210458125A CN 103804012 B CN103804012 B CN 103804012B
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parts
insulation
weight
fire
aluminum
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CN103804012A (en
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卓锦德
赵永彬
董阳
赖世燿
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China Energy Investment Corp Ltd
National Institute of Clean and Low Carbon Energy
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Shenhua Group Corp Ltd
National Institute of Clean and Low Carbon Energy
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Abstract

The invention discloses a kind of fire-retardant heat-insulation material and its preparation method and application.Described fire-retardant heat-insulation material comprises silicon-aluminum containing matter powdery industrial waste and highly basic is carried out the cancellated sial oxygen chemical bond of chemical reaction formation according to certain proportioning, wherein, the parts by weight of described silicon-aluminum containing matter powdery industrial waste are 100 parts, the parts by weight of described highly basic are 2 ~ 10 parts, and the parts by weight of whipping agent are 0.1 ~ 10 part.Fire-retardant heat-insulation material of the present invention has the features such as lightweight, thermal conductivity is little, has excellent fire resistance and compressive property simultaneously.

Description

A kind of fire-retardant heat-insulation material and its preparation method and application
Technical field
The present invention relates to Material Field, be specifically related to a kind of fire-retardant heat-insulation material and preparation method thereof.
Background technology
Along with the raising of people's environmental protection, awareness of saving energy and the regulation of national policy, all trades and professions all environmental protection, energy-conservation in strengthen research and development capabilities, to protect the environment of human lives better.In building material field, building energy conservation is also an important developing direction, and wherein, the research and development of lagging material are its important branches.For meeting the demand that people improve indoor environment comfort level, realizing environmental protection, energy-conservation object simultaneously, having occurred the multiple lagging material containing corresponding industrial waste.
In conventional lagging material, for making it have certain intensity in conjunction with various raw material, cement plays adhesive property and provides the main ingredient of intensity.Because of consume energy in cement production process high, to reduce expense needed for environmental pollution large, therefore substituting cement with the environmental friendliness that realizes little as far as possible with other matrix materials is extraordinary mode.
Flyash is the solid waste that coal-fired electric field is discharged, and at present, it is still one of larger industrial residue of quantity discharged, if utilized, can greatly reduce it and stack occupation of land pollution.Flyash has the potential hydraulicity, cement is replaced to reach required adhesive property etc. if utilized, then except reducing the pollution of himself, highly energy-consuming, heavy-polluted cement can also be used less, realize environmental friendliness, therefore, the direction of actively developing is studied in the utilization of flyash in field of heat insulating materials.
Chinese invention patent application CN101575880A discloses a kind of exterior insulation system for polyphenyl plate thin plastering exterior wall, comprise wall body structure layer, thermal insulation layer, anti-cracking protective layer and finish coat is had successively outside wall body structure layer, wherein, thermal insulation layer is made up of bonding mucilage, fire-resistance expanded polystyrene panel, anti-cracking protective layer is made up of anticracking grout and the alkaline-resisting grid cloth of glass fibre, and finish coat is outer wall flexible putty.In this application for a patent for invention, bonding mucilage employs the flyash of 2-6wt%.But in this application for a patent for invention, the consumption of flyash is less, thus digests the limited in one's ability of industrial waste.And its lagging material adopted is organic insulation material, and corresponding flameproof effect is poor.
Chinese invention patent ZL02137686.7 discloses a kind of fire-retardant heat-insulation material, and this material comprises Class F fly ash, kaolin, calcium hydroxide, magnesium hydroxide, glass fibre and pearlstone.In the present invention, by there is the binding agent of hydraulic cement performance by being formed after calcium hydroxide and kaolin mixing, thus play cohesive action, but the heat-insulating property of this material and compressive property poor.
Thus, the present invention also contemplates this type of material and realize balance between environmental protection and energy saving, fire prevention, intensity and weight, cost on the basis overcoming the problems referred to above.
Summary of the invention
The object of this invention is to provide a kind of fire-retardant heat-insulation material and preparation method thereof, by silicon-aluminum containing matter powdery industrial waste and highly basic are carried out chemical reaction according to certain proportioning, thus form stable cancellated sial oxygen chemical bond, improve the heat-insulating property of fire-retardant heat-insulation material, resistance to elevated temperatures and compressive property.
To achieve these goals, a first aspect of the present invention provides a kind of fire-retardant heat-insulation material, described fire-retardant heat-insulation material comprises silicon-aluminum containing matter powdery industrial waste and highly basic is carried out the cancellated sial oxygen chemical bond of chemical reaction formation according to certain proportioning, wherein, the parts by weight of described silicon-aluminum containing matter powdery industrial waste are 100 parts, the parts by weight of described highly basic are 2 ~ 10 parts, and the parts by weight of whipping agent are 0.1 ~ 10 part.
In above-mentioned materials, silicon-aluminum containing matter powdery industrial waste can be selected from flyash, ashes, clay, kaolin, slag and red mud one or more; Highly basic can be selected from aminocompound, alkalimetal hydride and oxyhydroxide one or more or be selected from industrial alkali waste and contain above-mentioned highly basic composition; Whipping agent can be selected from aluminium powder, magnesium powder, zinc powder, barium powder, calcium carbide, ammonium chloride, ammonium hydrogencarbonate, hydrogen peroxide, tensio-active agent and sodium bicarbonate one or more.
Preferably, described highly basic is sodium hydroxide and/or potassium hydroxide.
Further, described fire-retardant heat-insulation material can also comprise the water glass of 10 ~ 50 weight parts and/or the cement of 10 ~ 50 weight parts.Wherein, described cement is preferably silicate cement.
Further, according to the actual requirements, in above-mentioned fire-retardant heat-insulation material, intensity activator, compound heat-insulation aggregate, hydrophober, thickening material, foaming stabiliser and/or high efficiency water reducing agent can also can be added.
Further, described fire-retardant heat-insulation material can also comprise fiber, fiber lattice cloth and/or wire netting.
A second aspect of the present invention provides a kind of method preparing above-mentioned fire-retardant heat-insulation material, comprising:
1) in the raw material comprising 100 weight part silicon-aluminum containing matter powdery industrial wastes and 2 ~ 10 weight part highly basic, add the water of 10 ~ 200 weight parts, carry out mix and blend, so that silicon-aluminum containing matter powdery industrial waste and highly basic carry out chemical reaction form cancellated sial oxygen chemical bond;
2) add 0.1 ~ 10 parts by weight of blowing agent to stir, then pour mixture into mould;
3) maintenance, the demoulding is carried out.
Preferably, described silicon-aluminum containing matter powdery industrial waste is the finely powdered silicon-aluminum containing matter powdery industrial waste through grinding or Screening Treatment.In addition, in aforesaid method, step (2) is preferably carried out under 20 ~ 50 DEG C of conditions; In aforesaid method, step (3) is preferably carried out under 20 ~ 100 DEG C of conditions.
A third aspect of the present invention provides a kind of fireproof heated board used for building exterior wall, and wherein, one or more layers in described fireproof heated board adopts above-mentioned fire-retardant heat-insulation material to obtain.
A fourth aspect of the present invention provides a kind of fireproof heat insulating door, and wherein, in described fireproof heat insulating door, internal layer and/or outer field one or more layers adopt above-mentioned fire-retardant heat-insulation material to obtain.
Embodiment
The present invention is further explained in detail by following examples, but below describe only for enabling general technical staff of the technical field of the invention clearly understand principle of the present invention and marrow, and do not mean that any type of restriction is carried out to the present invention.Except special instruction, the percentage ratio of sign and number are weight percentage and parts by weight.
Embodiment 1:
At room temperature, by 500g flyash, 30g sodium hydroxide, 200g water glass, 70g water and 10g PP fiber are stirred for slurry, the hydrogen peroxide (concentration is 30%) adding 20g rapid stirring 5 minutes afterwards, then, pour slurry shape mixture into mould, maintenance 24 hours under the condition of 60 DEG C, the demoulding, obtains final fire-retardant heat-insulation material.Sample is cut into the sample block of 40mm × 40mm × 40mm, measure its Technique performance parameter, the results are shown in Table 1.
Embodiment 2:
At room temperature, by 450g flyash, 50g silicate cement, 27g sodium hydroxide, 150g water glass, water 60g, 11g PP fiber is stirred for slurry, the hydrogen peroxide (concentration is 30%) adding 18g rapid stirring 5 minutes afterwards, pour slurry shape mixture into mould, maintenance 24 hours under the condition of 55 DEG C, the demoulding, obtains final fire-retardant heat-insulation material.Sample is cut into the sample block of 40mm × 40mm × 40mm, measure its Technique performance parameter, the results are shown in Table 1.
Comparative example:
At room temperature, by 150g flyash, 350g silicate cement, 250g water, 11g PP fiber is stirred for slurry, the hydrogen peroxide (concentration is 30%) adding 18g rapid stirring 5 minutes afterwards, pour slurry shape mixture into mould, normal temperature maintenance 24 hours, the demoulding, obtains final fire-retardant heat-insulation material.Sample is cut into the sample block of 40mm × 40mm × 40mm, measure its Technique performance parameter, the results are shown in Table 1.
Table 1
Technique performance parameter Embodiment 1 Embodiment 2 Comparative example
Unit weight (kg/M3) 0.3-0.4 0.3-0.4 0.4-0.5
Ultimate compression strength (Mpa) 0.29-0.35 0.92-1.44 0.11-0.12
Combustionproperty A level is not fired A level is not fired A level is not fired
High temperature resistant (DEG C) 1000 800 600
Thermal conductivity (W/m.k) 0.046-0.055 0.048-0.057 0.056-0.062
The term that this specification sheets is used and form of presentation are only used as descriptive and nonrestrictive term and form of presentation, are not intended to by any equivalents thereof exclude of the feature that represents and describe or its integral part outside when using these terms and form of presentation.
Although show and described several embodiment of the present invention, the present invention has not been restricted to described embodiment.On the contrary, those of ordinary skill in the art should recognize can carry out any accommodation and improvement to these embodiments when not departing from principle of the present invention and spirit, and protection scope of the present invention determined by appended claim and equivalent thereof.

Claims (14)

1. a fire-retardant heat-insulation material, it is characterized in that: described fire-retardant heat-insulation material comprises silicon-aluminum containing matter powdery industrial waste and highly basic are carried out the cancellated sial oxygen chemical bond of chemical reaction formation according to certain proportioning, wherein, the parts by weight of described silicon-aluminum containing matter powdery industrial waste are 100 parts, the parts by weight of described highly basic are 2 ~ 10 parts, and the parts by weight of whipping agent are 0.1 ~ 10 part.
2. material according to claim 1, wherein, described silicon-aluminum containing matter powdery industrial waste be selected from flyash, ashes, clay, kaolin, slag and red mud one or more.
3. material according to claim 1, wherein, described highly basic be selected from aminocompound, alkalimetal hydride and oxyhydroxide one or more, or be selected from industrial alkali waste and contain above-mentioned highly basic composition.
4. material according to claim 1, wherein, described highly basic is sodium hydroxide and/or potassium hydroxide.
5. material according to claim 1, wherein, described whipping agent be selected from aluminium powder, magnesium powder, zinc powder, barium powder, calcium carbide, ammonium chloride, ammonium hydrogencarbonate, hydrogen peroxide, tensio-active agent and sodium bicarbonate one or more.
6. material according to claim 1, wherein, described fire-retardant heat-insulation material also comprises the water glass of 10 ~ 50 weight parts and/or the cement of 10 ~ 50 weight parts.
7. the material according to any one of claim 1-6, wherein, described fire-retardant heat-insulation material comprises intensity activator, compound heat-insulation aggregate, hydrophober, thickening material, foaming stabiliser and/or high efficiency water reducing agent further.
8. the material according to any one of claim 1-6, wherein, described fire-retardant heat-insulation material comprises fiber, fiber lattice cloth and/or wire netting further.
9. prepare a method for material described in any one of claim 1-8, comprising:
1) in the raw material comprising 100 weight part silicon-aluminum containing matter powdery industrial wastes and 2 ~ 10 weight part highly basic, add the water of 10 ~ 200 weight parts, carry out mix and blend, so that silicon-aluminum containing matter powdery industrial waste and highly basic carry out chemical reaction form cancellated sial oxygen chemical bond;
2) add 0.1 ~ 10 parts by weight of blowing agent to stir, then pour mixture into mould;
3) maintenance, the demoulding is carried out.
10. preparation method according to claim 9, wherein, described silicon-aluminum containing matter powdery industrial waste is the finely powdered silicon-aluminum containing matter powdery industrial waste through grinding or Screening Treatment.
11. preparation methods according to claim 9, wherein, step (2) is carried out under 20 ~ 50 DEG C of conditions.
12. preparation methods according to claim 9, wherein, step (3) is carried out under 20 ~ 100 DEG C of conditions.
13. 1 kinds of fireproof heated boards used for building exterior wall, wherein, one or more layers in described fireproof heated board obtains with material according to any one of claim 1-8.
14. 1 kinds of fireproof heat insulating doors, wherein, in described fireproof heat insulating door, internal layer and/or outer field one or more layers obtain with material according to any one of claim 1-8.
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CN104119052B (en) * 2014-06-24 2016-04-20 济南大学 A kind of utilize dealkalize red mud and red mud iron selection tailings to prepare inorganic clad plate and preparation method
CN104193274B (en) * 2014-08-28 2016-05-11 重庆大学 Alkali slag foamed concrete
CN106946509B (en) * 2017-03-24 2019-06-25 广州大学 Alkali-activated carbonatite flyash/slag foam concrete and preparation method thereof
CN108129161A (en) * 2018-02-02 2018-06-08 曲水标威新型建材有限公司 Composite aerated brick and preparation method
CN109653387B (en) * 2018-12-14 2021-03-02 中北大学 Desulfurized ash based geopolymer insulation board and preparation method thereof, and assembled integrated insulation wall and preparation method thereof
CN109469253A (en) * 2018-12-14 2019-03-15 中北大学 A kind of assembled integrated interior wall and preparation method thereof of the polymers of base containing Desulphurization
CN111825409A (en) * 2019-04-18 2020-10-27 中国地质大学(北京) Novel light heat-insulating material with kaolin as aggregate and preparation method thereof
CN110105083B (en) * 2019-05-24 2020-12-11 中国地质大学(北京) Red mud-based heat insulation material and preparation method and application thereof
CN112723911B (en) * 2021-01-19 2021-07-27 河北工业大学 Regenerated powder-based inorganic cementing material toughening and crack reducing foaming agent and application thereof

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CN102701688A (en) * 2012-06-07 2012-10-03 江苏尼高科技有限公司 Compound foam cement heat preserving material produced by using caustic slag cement and preparation method thereof
CN102775098A (en) * 2012-07-10 2012-11-14 张木玲 Fireproof heat-insulating material as well as preparation method and application thereof

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CN101941822A (en) * 2010-08-26 2011-01-12 无锡吉兴汽车声学部件科技有限公司 Thermal insulation board
CN102701688A (en) * 2012-06-07 2012-10-03 江苏尼高科技有限公司 Compound foam cement heat preserving material produced by using caustic slag cement and preparation method thereof
CN102775098A (en) * 2012-07-10 2012-11-14 张木玲 Fireproof heat-insulating material as well as preparation method and application thereof

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Address after: No. 22, diazepam West Binhe Road, Dongcheng District, Beijing, Beijing

Co-patentee after: National Institute of Clean and Low Carbon Energy

Patentee after: National energy investment Refco Group Ltd

Address before: 100011 Shenhua building 22, West Binhe Road, Dongcheng District, Beijing

Co-patentee before: National Institute of Clean and Low Carbon Energy

Patentee before: Shenhua Group LLC