CN105272043A - Preparation method of high-strength foam concrete heat preservation material - Google Patents
Preparation method of high-strength foam concrete heat preservation material Download PDFInfo
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- CN105272043A CN105272043A CN201510739739.9A CN201510739739A CN105272043A CN 105272043 A CN105272043 A CN 105272043A CN 201510739739 A CN201510739739 A CN 201510739739A CN 105272043 A CN105272043 A CN 105272043A
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- foam concrete
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a preparation method of a high-strength foam concrete heat preservation material. The preparation method of the high-strength foam concrete heat preservation material comprises the following steps: firstly mixing portland cement, pulverized coal ash, calcium oxide and bone glue powder, adding the materials into water, stirring, then simultaneously adding and stirring chitosan, sodium aluminate, anhydrous sodium sulfate, lithium carbonate, hydroxypropyl methylcellulose, polypropylene fiber, sepiolite, diethylenetriamine and chlorinated polyethylene, and finally adding an anionic surfactant foaming agent and lecithin, stirring and foaming via a foaming machine, pouring the materials into a test die, standing and foaming to obtain the high-strength foam concrete heat preservation material. The foam concrete heat preservation material is high in strength, is complete and compact, and is excellent in elasticity, strong in compression resistance, excellent in sound insulation effect and strong in impermeability.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of preparation method of high strength foam concrete lagging material.
Background technology
In recent years, China's vast north of china in winter heating districts cities and towns increase heating house floor area of building newly every year on average can up to 1 × 10
8m
2.If under equal conditions, all new buildings are all adopted energy-saving design, these newly-increased heating building area energy-saving indexs are controlled within 50%, be then often only the heating coal that this part increases building newly and just can reduce 1500kt.In addition, decrease the consumption of coal, the consequent is just the reduction of the discharge of the obnoxious flavoures such as the sulfurous gas given off in burning of coal process, the discharge of flue dust, the discharge etc. of lime-ash.As can be seen here; the energy conservation standard developed the high-efficiency insulated lagging material of applicable China's national situation, vigorously promote the use energy saving building, conscientiously implement China, is extremely important for saving heating energy consumption, protection of the environment, growing continuously and fast of maintenance Chinese national economy.
Novel environment-friendly energy saving building material is different from common material of construction, has as thermal properties such as the necessary heat insulating of lagging material, sound insulation, antidetonations, thus can provide a comfortable living environment for occupant.In recent years, ultralight foamed concrete was more and more applied in building operation as a kind of heat insulating material.In the preparation process of ultralight foamed concrete, very strict to the performance requriements of gelling material, not only require that the gelling material adopted has higher early strength, faster time of coagulation, also will possess early strength and develop very fast, later strength comparatively high.Based on above reason, in actual production, preparing ultralight foamed concrete great majority is using the special cement such as aluminosulfate cement, ferro-aluminate cement as gelling material.But prepare foamed concrete with special cement and there are problems: first, large quantifier elimination shows both at home and abroad, and the weather resistance of special cement, concrete product is far away not as good as Portland cement, concrete product.Especially, when special cement, concrete product are applied to buildings outside, the weather resistance of goods will sharply decline; Secondly, compared with Portland cement, concrete, the resource of the special cements such as sulplo-aluminate is relatively deficient, and price comparatively Portland cement wants high a lot; These all seriously hinder the ultralight foamed concrete of special cement further developing as lagging material.Therefore, research and develop with Portland cement is that major gelled material, economic novel ultra-light foamed concrete that is durable, excellent performance are imperative.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and the preparation method providing a kind of high strength foam concrete lagging material, resulting materials intensity is high, elasticity is good, crushing resistance is strong, soundproof effect is good, impermeability is strong.
A preparation method for high strength foam concrete lagging material, comprises the following steps:
Step 1, with parts by weight, by silicate cement 20 ~ 40 parts, coal dust ash 6 ~ 9 parts, 2 ~ 8 parts, calcium oxide, 1 ~ 4 part, gelatine powder, Sodium dodecylbenzene sulfonate 3 ~ 4 parts mixing, is added to the water, and stirs, obtains slip;
Step 2, with parts by weight, by chitosan 1 ~ 5 part, sodium aluminate 2 ~ 6 parts, anhydrous sodium sulphate 3 ~ 7 parts, Quilonum Retard 1 ~ 6 part, hypromellose 2 ~ 4 parts, polypropylene fibre 3 ~ 8 parts, sepiolite 2 ~ 5 parts, water glass 6 ~ 8 parts, diethylenetriamine 1 ~ 6 part, chlorinatedpolyethylene 2 ~ 5 parts add in step 1 gained slurry, limit edged stirs, and obtains mixed slurry;
Step 3, with parts by weight, by anion surfactant type whipping agent 3 ~ 6 parts, 2 ~ 7 parts, Yelkin TTS, trolamine 2 ~ 5 parts, polycarboxylate 1 ~ 3 part adds in step 2 gained mixed slurry, stirs foaming through foaming machine, injects die trial, leaves standstill foaming, to obtain final product.
The ultimate compression strength of lagging material of the present invention is at 1.6MPa ~ 2.7MPa, and refractoriness can reach more than 1000 DEG C, the rate of closed hole > 90% of foamed concrete, and thermal conductivity reaches 0.040W/ (mk) below.
As the further improvement of foregoing invention, in step 1, whipping temp is 50 ~ 70 DEG C, and stirring velocity is 200 ~ 400rpm.
As the further improvement of foregoing invention, in step 2, slurry temperature is 60 ~ 90 DEG C, and whipping process carries out under heat-retaining condition, and stirring velocity is 100 ~ 300rpm.
As the further improvement of foregoing invention, in step 3, the vacuum tightness of foaming machine is 0.08 ~ 0.1MPa, and stirring velocity is 100 ~ 200rpm.
As the further improvement of foregoing invention, the chlorinity of described chlorinatedpolyethylene is 65% ~ 72%.
As the further improvement of foregoing invention, in step 2, also need t-Butylphenol formaldehyde resin 2 ~ 7 parts.
Foamed concrete thermal-insulating material of the present invention complete closely knit, elasticity is good, crushing resistance is strong, soundproof effect is good, impermeability is strong.
Embodiment
embodiment 1
A preparation method for high strength foam concrete lagging material, comprises the following steps:
Step 1, with parts by weight, by silicate cement 20 parts, coal dust ash 6 parts, 2 parts, calcium oxide, 1 part, gelatine powder, Sodium dodecylbenzene sulfonate 3 parts mixing, is added to the water, and stirs, obtains slip;
Step 2, with parts by weight, by chitosan 2 parts, sodium aluminate 2 parts, anhydrous sodium sulphate 3 parts, Quilonum Retard 1 part, hypromellose 2 parts, polypropylene fibre 3 parts, sepiolite 2 parts, water glass 6 parts, diethylenetriamine 1 part, chlorinatedpolyethylene 2 parts add in step 1 gained slurry, limit edged stirs, and obtains mixed slurry;
Step 3, with parts by weight, by anion surfactant type whipping agent 3 parts, 2 parts, Yelkin TTS, trolamine 2 parts, polycarboxylate 1 part adds in step 2 gained mixed slurry, stirs foaming through foaming machine, injects die trial, leaves standstill foaming, to obtain final product.
In step 1, whipping temp is 50 DEG C, and stirring velocity is 400rpm.
In step 2, slurry temperature is 60 DEG C, and whipping process carries out under heat-retaining condition, and stirring velocity is 300rpm.
In step 3, the vacuum tightness of foaming machine is 0.08MPa, and stirring velocity is 200rpm.
The chlorinity of described chlorinatedpolyethylene is 65%.
embodiment 2
A preparation method for high strength foam concrete lagging material, comprises the following steps:
Step 1, with parts by weight, by silicate cement 28 parts, coal dust ash 7 parts, 3 parts, calcium oxide, 3 parts, gelatine powder, Sodium dodecylbenzene sulfonate 3 parts mixing, is added to the water, and stirs, obtains slip;
Step 2, with parts by weight, by chitosan 3 parts, sodium aluminate 4 parts, anhydrous sodium sulphate 3 parts, Quilonum Retard 2 parts, hypromellose 2 parts, polypropylene fibre 4 parts, sepiolite 3 parts, water glass 6 parts, diethylenetriamine 3 parts, chlorinatedpolyethylene 2 parts add in step 1 gained slurry, limit edged stirs, and obtains mixed slurry;
Step 3, with parts by weight, by anion surfactant type whipping agent 4 parts, 3 parts, Yelkin TTS, trolamine 3 parts, polycarboxylate 1 part adds in step 2 gained mixed slurry, stirs foaming through foaming machine, injects die trial, leaves standstill foaming, to obtain final product.
In step 1, whipping temp is 65 DEG C, and stirring velocity is 250rpm.
In step 2, slurry temperature is 75 DEG C, and whipping process carries out under heat-retaining condition, and stirring velocity is 180rpm.
In step 3, the vacuum tightness of foaming machine is 0.09MPa, and stirring velocity is 150rpm.
The chlorinity of described chlorinatedpolyethylene is 68%.
embodiment 3
A preparation method for high strength foam concrete lagging material, comprises the following steps:
Step 1, with parts by weight, by silicate cement 30 parts, coal dust ash 7 parts, 5 parts, calcium oxide, 3 parts, gelatine powder, Sodium dodecylbenzene sulfonate 4 parts mixing, is added to the water, and stirs, obtains slip;
Step 2, with parts by weight, by chitosan 3 parts, sodium aluminate 4 parts, anhydrous sodium sulphate 4 parts, Quilonum Retard 4 parts, hypromellose 3 parts, polypropylene fibre 5 parts, sepiolite 4 parts, water glass 7 parts, diethylenetriamine 3 parts, chlorinatedpolyethylene 3 parts add in step 1 gained slurry, limit edged stirs, and obtains mixed slurry;
Step 3, with parts by weight, by anion surfactant type whipping agent 5 parts, 6 parts, Yelkin TTS, trolamine 4 parts, polycarboxylate 2 parts adds in step 2 gained mixed slurry, stirs foaming through foaming machine, injects die trial, leaves standstill foaming, to obtain final product.
In step 1, whipping temp is 55 DEG C, and stirring velocity is 350rpm.
In step 2, slurry temperature is 80 DEG C, and whipping process carries out under heat-retaining condition, and stirring velocity is 150rpm.
In step 3, the vacuum tightness of foaming machine is 0.1MPa, and stirring velocity is 100rpm.
The chlorinity of described chlorinatedpolyethylene is 70%.
embodiment 4
A preparation method for high strength foam concrete lagging material, comprises the following steps:
Step 1, with parts by weight, by silicate cement 35 parts, coal dust ash 6 parts, 3 parts, calcium oxide, 2 parts, gelatine powder, Sodium dodecylbenzene sulfonate 4 parts mixing, is added to the water, and stirs, obtains slip;
Step 2, with parts by weight, by chitosan 4 parts, sodium aluminate 2 parts, anhydrous sodium sulphate 7 parts, Quilonum Retard 5 parts, hypromellose 4 parts, polypropylene fibre 6 parts, sepiolite 4 parts, water glass 8 parts, diethylenetriamine 5 parts, chlorinatedpolyethylene 4 parts add in step 1 gained slurry, limit edged stirs, and obtains mixed slurry;
Step 3, with parts by weight, by anion surfactant type whipping agent 4 parts, 7 parts, Yelkin TTS, trolamine 4 parts, polycarboxylate 2 parts adds in step 2 gained mixed slurry, stirs foaming through foaming machine, injects die trial, leaves standstill foaming, to obtain final product.
In step 1, whipping temp is 70 DEG C, and stirring velocity is 200rpm.
In step 2, slurry temperature is 90 DEG C, and whipping process carries out under heat-retaining condition, and stirring velocity is 100rpm.
In step 3, the vacuum tightness of foaming machine is 0.1MPa, and stirring velocity is 100rpm.
The chlorinity of described chlorinatedpolyethylene is 72%.
embodiment 5
The difference of the present embodiment and embodiment 3 is: also need t-Butylphenol formaldehyde resin 6 parts in step 2.
A preparation method for high strength foam concrete lagging material, comprises the following steps:
Step 1, with parts by weight, by silicate cement 40 parts, coal dust ash 9 parts, 8 parts, calcium oxide, 4 parts, gelatine powder, Sodium dodecylbenzene sulfonate 4 parts mixing, is added to the water, and stirs, obtains slip;
Step 2, with parts by weight, by chitosan 5 parts, sodium aluminate 6 parts, anhydrous sodium sulphate 7 parts, Quilonum Retard 6 parts, hypromellose 4 parts, polypropylene fibre 8 parts, sepiolite 5 parts, water glass 8 parts, diethylenetriamine 6 parts, chlorinatedpolyethylene 5 parts add in step 1 gained slurry, limit edged stirs, and obtains mixed slurry;
Step 3, with parts by weight, by anion surfactant type whipping agent 6 parts, 7 parts, Yelkin TTS, trolamine 5 parts, polycarboxylate 3 parts adds in step 2 gained mixed slurry, stirs foaming through foaming machine, injects die trial, leaves standstill foaming, to obtain final product.
In step 1, whipping temp is 55 DEG C, and stirring velocity is 350rpm.
In step 2, slurry temperature is 80 DEG C, and whipping process carries out under heat-retaining condition, and stirring velocity is 150rpm.
In step 3, the vacuum tightness of foaming machine is 0.1MPa, and stirring velocity is 100rpm.
The chlorinity of described chlorinatedpolyethylene is 70%.
Compare with patent 103011896B, carry out performance test to embodiment 1 to 5 gained sample, result is as follows:
。
As seen from the above table, lagging material of the present invention complete closely knit, elasticity is good, crushing resistance is strong, soundproof effect is good, impermeability is strong.
The ultimate compression strength of lagging material of the present invention is at 1.6MPa ~ 2.7MPa, and refractoriness can reach more than 1000 DEG C, the rate of closed hole > 90% of foamed concrete, and thermal conductivity reaches 0.040W/ (mk) below.
Claims (7)
1. a preparation method for high strength foam concrete lagging material, is characterized in that: comprise the following steps:
Step 1, with parts by weight, by silicate cement 20 ~ 40 parts, coal dust ash 6 ~ 9 parts, 2 ~ 8 parts, calcium oxide, 1 ~ 4 part, gelatine powder, Sodium dodecylbenzene sulfonate 3 ~ 4 parts mixing, is added to the water, and stirs, obtains slip;
Step 2, with parts by weight, by chitosan 1 ~ 5 part, sodium aluminate 2 ~ 6 parts, anhydrous sodium sulphate 3 ~ 7 parts, Quilonum Retard 1 ~ 6 part, hypromellose 2 ~ 4 parts, polypropylene fibre 3 ~ 8 parts, sepiolite 2 ~ 5 parts, water glass 6 ~ 8 parts, diethylenetriamine 1 ~ 6 part, chlorinatedpolyethylene 2 ~ 5 parts add in step 1 gained slurry, limit edged stirs, and obtains mixed slurry;
Step 3, with parts by weight, by anion surfactant type whipping agent 3 ~ 6 parts, 2 ~ 7 parts, Yelkin TTS, trolamine 2 ~ 5 parts, polycarboxylate 1 ~ 3 part adds in step 2 gained mixed slurry, stirs foaming through foaming machine, injects die trial, leaves standstill foaming, to obtain final product.
2. the preparation method of high strength foam concrete lagging material according to claim 1, it is characterized in that: the ultimate compression strength of described lagging material is at 1.6MPa ~ 2.7MPa, refractoriness can reach more than 1000 DEG C, the rate of closed hole > 90% of foamed concrete, thermal conductivity reaches 0.040W/ (mk) below.
3. the preparation method of high strength foam concrete lagging material according to claim 1, is characterized in that: in step 1, whipping temp is 50 ~ 70 DEG C, and stirring velocity is 200 ~ 400rpm.
4. the preparation method of high strength foam concrete lagging material according to claim 1, is characterized in that: in step 2, slurry temperature is 60 ~ 90 DEG C, and whipping process carries out under heat-retaining condition, and stirring velocity is 100 ~ 300rpm.
5. the preparation method of high strength foam concrete lagging material according to claim 1, is characterized in that: in step 3, the vacuum tightness of foaming machine is 0.08 ~ 0.1MPa, and stirring velocity is 100 ~ 200rpm.
6. the preparation method of high strength foam concrete lagging material according to claim 1, is characterized in that: the chlorinity of described chlorinatedpolyethylene is 65% ~ 72%.
7. the preparation method of high strength foam concrete lagging material according to claim 1, is characterized in that: also need t-Butylphenol formaldehyde resin 2 ~ 7 parts in step 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510739739.9A CN105272043A (en) | 2015-11-04 | 2015-11-04 | Preparation method of high-strength foam concrete heat preservation material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510739739.9A CN105272043A (en) | 2015-11-04 | 2015-11-04 | Preparation method of high-strength foam concrete heat preservation material |
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| CN105272043A true CN105272043A (en) | 2016-01-27 |
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| CN201510739739.9A Pending CN105272043A (en) | 2015-11-04 | 2015-11-04 | Preparation method of high-strength foam concrete heat preservation material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105884295A (en) * | 2016-04-11 | 2016-08-24 | 苏州甫众塑胶有限公司 | High-strength foam concrete material for floor heating and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011896A (en) * | 2012-12-21 | 2013-04-03 | 王寿光 | Foam concrete |
| CN103613305A (en) * | 2013-11-22 | 2014-03-05 | 光景生物科技(苏州)有限公司 | Natural tea saponin foaming agent and preparation method thereof |
| CN104774033A (en) * | 2015-04-08 | 2015-07-15 | 西南科技大学 | General purpose Portland cement based ultra-light physical foamed concrete |
-
2015
- 2015-11-04 CN CN201510739739.9A patent/CN105272043A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011896A (en) * | 2012-12-21 | 2013-04-03 | 王寿光 | Foam concrete |
| CN103613305A (en) * | 2013-11-22 | 2014-03-05 | 光景生物科技(苏州)有限公司 | Natural tea saponin foaming agent and preparation method thereof |
| CN104774033A (en) * | 2015-04-08 | 2015-07-15 | 西南科技大学 | General purpose Portland cement based ultra-light physical foamed concrete |
Non-Patent Citations (2)
| Title |
|---|
| 夏寿荣主编: "《最新混凝土外加剂生产配方精选400例》", 31 January 2014, 中国建材工业出版社 * |
| 赵文元等主编: "《功能高分子材料》", 31 March 2008, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105884295A (en) * | 2016-04-11 | 2016-08-24 | 苏州甫众塑胶有限公司 | High-strength foam concrete material for floor heating and preparation method thereof |
| CN105884295B (en) * | 2016-04-11 | 2018-06-22 | 舟山市大昌预拌混凝土有限公司 | A kind of floor heating high-strength foamed concrete material and preparation method thereof |
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Application publication date: 20160127 |
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