CN103524094A - Grass and tree fiber energy-storage calcium silicate board and preparation method thereof - Google Patents
Grass and tree fiber energy-storage calcium silicate board and preparation method thereof Download PDFInfo
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- CN103524094A CN103524094A CN201310423863.5A CN201310423863A CN103524094A CN 103524094 A CN103524094 A CN 103524094A CN 201310423863 A CN201310423863 A CN 201310423863A CN 103524094 A CN103524094 A CN 103524094A
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Abstract
The invention discloses a grass and tree fiber energy-storage calcium silicate board and a preparation method thereof. The grass and tree fiber energy-storage calcium silicate board comprises the following components in percentage by mass: 85-90 percent of grass and tree fiber reinforced energy-storage calcium silicate board base material and 10-15 percent of phase change material. The preparation method comprises the following steps: firstly drying the grass and tree fiber reinforced energy-storage calcium silicate board base material in a vacuum drying box at 120 DEG C under vacuum for 6 hours, naturally cooling and then taking out; adding the cooled grass and tree fiber reinforced energy-storage calcium silicate board base material into an impregnation container in which the liquid-state phase change material is filled by using a physical impregnation process; compounding the grass and tree fiber reinforced energy-storage calcium silicate board base material and the liquid-state phase change material at normal temperature for about 40 minutes, then taking out and naturally cooling to obtain the grass and tree fiber energy-storage calcium silicate board product. The grass and tree fiber energy-storage calcium silicate board has the advantages of fire prevention and moisture protection of the normal calcium silicate board, the characteristics of energy storage and heat storage of the phase change material are combined, and the purposes of reducing the load of a heating system of an air conditioner and reducing the energy consumption are achieved.
Description
Technical field
The present invention relates to the fields such as building energy conservation, utilization of new energy resources and function building materials, particularly relate to a kind of vegetation fiber energy storage calcium silicate board and preparation method thereof.
Background technology
Along with social high speed development, energy problem highlights day by day.And energy consumption mainly concentrates on building, industry and three fields of communications and transportation.At present, the building energy consumption of China accounts for 1/3 of whole society's total energy consumption.Northern heating urban residence area only accounts for 10% of National urban living space, but building energy consumption accounts for 40%.China's building in use energy consumption of maximum is heating and refrigeration, and the developed country close with weather condition compares, and China builds 3 times of every square metre of heating energy consumption Yue Shi developed country.Recently the more than ten years, along with the quickening of ur-banization speed, housing construction amount is also being increased sharply.According to the data statistics of house and town and country construction portion, China's annual town and country newly constructed house floor area of building approaches 2,000,000,000 square metres.These newly-increased buildings will consume mass energy.Data presentation, China's architectural energy consumption has surpassed 500,000,000 tons of mark coals.If generated electricity with these coals, can produce approximately 15,000 hundred million degree electricity, be 19 times of pipe of reinforced concrete at Three Gorges Power Station generated energy in 2011.As can be seen here, building energy conservation China be one concerning the critical problem of social development and people's lives.
Calcium silicate board is that to take gelling material (as cement, siliceous material, calcareous material), filamentary material (as vinylon, vegetation fiber, needlebush), filler (as quartzy, aluminium carbonate) and additive be starting material, passes through the material of construction that the links such as slurrying, moulding, sizing, maintenance make according to certain mass ratio.Calcium silicate board not only has good fire prevention, protection against the tide, sound insulation, weather resistance, is also indoor desirable partition plate material.But traditional calcium silicate board thermal conductivity is less is unfavorable for indoor heat and extraneous exchange.Therefore can greatly improve housing air conditioning system load, energy utilization rate reduction, energy consumption are increased.
Number of patent application 2012105913680 provides a kind of composite calcium silicate warming plate and preparation method thereof, only relate to Multiple components is composite filled and make a kind of composite calcium silicate warming plate, although have heat insulation effect, raw material is numerous, step is numerous and diverse, and does not relate to energy storage effect.
Number of patent application 2012102836752 has provided a kind of non-asbestos fibre calcium silicate board and preparation method thereof, related to the ceramic mechanical property that waits mineral filler and the filling-modified calcium silicate board of organic fibre, do not relate to equally explanation and analysis to material insulation and energy storage, use material composition numerous simultaneously, step is numerous and diverse, has strengthened production cost.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of vegetation fiber energy storage calcium silicate board is provided.Vegetation fiber energy storage calcium silicate board of the present invention be take vegetation fiber reinforced calcium silicate board as base material, by adopting physics impregnation technology, phase change material is incorporated in vegetation fiber reinforced calcium silicate board base material, prepares vegetation fiber energy storage calcium silicate board.The density of this vegetation fiber energy storage calcium silicate board is at 1～2 g/cm
3between, energy storage density is at 120～150 kJ/m
3between, latent heat of phase change value can reach 15～25J/g.Not only there is common calcium silicate board fire prevention, moistureproof, also combine the feature of phase-change material energy storage accumulation of heat, make it reduce air conditioner heating system load, reduce the consumption of the energy.Can be widely used in the fields such as building energy conservation, utilization of new energy resources and function building materials.
Another object of the present invention is to provide the preparation method of described vegetation fiber energy storage calcium silicate board.
Above-mentioned purpose of the present invention is achieved by following technical solution:
A kind of vegetation fiber energy storage calcium silicate board, described vegetation fiber energy storage calcium silicate board comprises vegetation fiber reinforced calcium silicate board base material and phase change material, the content of each component is calculated by mass percentage and is respectively vegetation fiber reinforced calcium silicate board base material: 85%～90%, and phase change material: 10%～15%.
Further, described vegetation fiber reinforced calcium silicate board is to take the fiber reinforced calcium silicate board that vegetation fiber is strongthener, be that to take gelling material, vegetation fiber, filler, additive be raw material, by slurrying, moulding, sizing, maintenance supervisor, prepared.
Further, described phase change material is organic phase change material or inorganic phase-changing material.
Further, the transformation temperature scope of described phase change material is 22 ℃～27 ℃.
Further, the density of described phase change material is 0.8～0.9 kg/L.
Further, the latent heat of phase change scope of described phase change material is 150～180 kJ/kg.
Further, described organic phase change material is nontoxic, the organism of stable chemical nature.
As a kind of preferred version, described organic phase change material is paraffin, and transformation temperature scope is 22 ℃～25 ℃, and latent heat of phase change is higher than 150 kJ/kg.
As a kind of preferred version, the cubical expansivity of described inorganic phase-changing material is less than 4%, without surfusion.
As a kind of preferred version, described inorganic phase-changing material is calcium chloride hexahydrate.
Preferably, the density of described vegetation fiber energy storage calcium silicate board is 1～2 g/cm
3, energy storage density is 120～150 kJ/m
3, latent heat of phase change value is 15～25J/g.
A preparation method for vegetation fiber energy storage calcium silicate board, its step comprises:
S1. per distribution ratio is got vegetation fiber reinforced calcium silicate board base material and phase change material by weight;
S2. vegetation fiber reinforced calcium silicate board base material is put into the vacuum drying oven vacuum-drying 6 hours of 120 ℃, after naturally cooling, taken out;
S3. liquid phase change material is poured in steeper, if non-liquid phase-change material is first liquid phase-change material by non-liquid phase-change material heat fused;
S4. adopt physics impregnation technology that the vegetation fiber reinforced calcium silicate board base material after vacuum-drying in step S2. is put into the steeper that step S3. is equipped with liquid phase-change material, vegetation fiber reinforced calcium silicate board base material takes out after about 40 minutes with liquid phase-change Material cladding at normal temperatures, naturally dry, obtain vegetation fiber energy storage calcium silicate board product.
Compared with prior art, the present invention has following beneficial effect:
1. vegetation fiber energy storage calcium silicate board of the present invention can respond to envrionment temperature in time.Unnecessary heat in absorbing environmental when envrionment temperature raises discharges and is stored in the heat in phase change material when envrionment temperature reduces.Therefore guarantee the relatively stable of envrionment temperature, improved the comfort level of living in house.
2. vegetation fiber energy storage calcium silicate board of the present invention, itself only there is solid-liquid phase change or liquid-solid phase transformation in the phase change material of wherein bringing into play energy storage effect in vegetation fiber energy storage calcium silicate board, chemical reaction does not occur when absorbing or releasing energy.
3. vegetation fiber energy storage calcium silicate board of the present invention, the experiment proved that: after 1000 phase transformations of experience circulation, the decay of energy storage ability neither occurs, also do not undergo phase transition the leakage of material.
4. vegetation fiber energy storage calcium silicate board of the present invention, had both had advantages of common calcium silicate board fire prevention, moistureproof, combined again the feature of phase-change material energy storage accumulation of heat, had realized the object that reduces air conditioner heating system load and energy consumption.Also be a kind of indoor building energy conservation partition plate safely and efficiently simultaneously, can effectively reduce the air conditioner heating system energy consumption of buildings, envrionment temperature is remained on to the temperature range of relative temperature.In addition, the physics impregnation technology that the present invention adopts is a kind of simple production technique efficiently, applicable to large-scale industrial production.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of vegetation fiber energy storage calcium silicate board of the present invention.
Fig. 2 is a kind of vegetation fiber energy storage calcium silicate board preparation method's of the present invention process flow sheet.
Description of reference numerals: phase change material 11, vegetation fiber reinforced calcium silicate board base material 12.
Embodiment
According to following embodiment, the present invention may be better understood.Yet, those skilled in the art will readily understand, the described concrete material proportion of embodiment, processing condition extremely result, only for the present invention is described, and should can not limit the present invention described in detail in claims yet.
Embodiment 1
Vegetation fiber energy storage calcium silicate board, is made by vegetation fiber reinforced calcium silicate board base material and phase change material, and the content of each component calculates and is respectively vegetation fiber reinforced calcium silicate board base material by following mass percent: 85%, and phase change material: 15%.
Its preparation method, comprises the following steps:
S1. per distribution ratio is got vegetation fiber reinforced calcium silicate board base material and phase change material by weight;
S2. 85% vegetation fiber reinforced calcium silicate board base material is put into the vacuum drying oven vacuum-drying 6 hours of 120 ℃, after naturally cooling, taken out;
S3. by 15% transformation temperature, be the SOLID ORGANIC phase change material paraffin of 24 ℃, first pour into through 60 ℃ of heating and within 24 hours, be molten into liquid phase-change material, more liquid organic phase change material paraffin is poured in steeper;
S4. adopt physics impregnation technology that the vegetation fiber reinforced calcium silicate board base material after vacuum-drying in step S2. is put into the steeper that step S3. is equipped with liquid organic phase change material paraffin, vegetation fiber reinforced calcium silicate board base material takes out after compound about 40 minutes with liquid organic phase change material at normal temperatures, naturally dry, obtain described vegetation fiber energy storage calcium silicate board product.
Embodiment 2
Vegetation fiber energy storage calcium silicate board, is made by vegetation fiber reinforced calcium silicate board base material and phase change material, and the content of each component calculates and is respectively vegetation fiber reinforced calcium silicate board base material by following mass percent: 90%, and phase change material: 10%.
Its preparation method is with embodiment 1.
Embodiment 3
Vegetation fiber energy storage calcium silicate board, is made by vegetation fiber reinforced calcium silicate board base material and phase change material, and the content of each component calculates and is respectively vegetation fiber reinforced calcium silicate board base material by following mass percent: 85%, and phase change material: 15%.
Its preparation method, comprises the following steps:
S1. per distribution ratio is got vegetation fiber reinforced calcium silicate board base material and phase change material by weight;
S2. 85% vegetation fiber reinforced calcium silicate board base material is put into the vacuum drying oven vacuum-drying 6 hours of 120 ℃, after naturally cooling, taken out;
S3. the liquid inorganic phase-changing material calcium chloride hexahydrate that by 15% transformation temperature is 22 ℃ is poured in steeper;
S4. adopt physics impregnation technology that the vegetation fiber reinforced calcium silicate board base material after vacuum-drying in step S2. is put into the steeper that step S3. is equipped with liquid inorganic phase-changing material calcium chloride hexahydrate, vegetation fiber reinforced calcium silicate board base material takes out after compound about 40 minutes with liquid inorganic phase-changing material at normal temperatures, naturally dry, obtain described vegetation fiber energy storage calcium silicate board product.
It should be noted, the accompanying drawing of this specification sheets and above to the description of the drawings and the specific embodiments, be only for example of the present invention is clearly described, be not the restriction to embodiments of the present invention.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection domain of the claims in the present invention.
Claims (10)
1. a vegetation fiber energy storage calcium silicate board, is characterized in that, each moiety of described vegetation fiber energy storage calcium silicate board is by following weight percent proportioning: vegetation fiber reinforced calcium silicate board base material 85%～90%, phase change material 10%～15%.
2. a kind of vegetation fiber energy storage calcium silicate board according to claim 1, is characterized in that, described phase change material is organic phase change material or inorganic phase-changing material.
3. a kind of vegetation fiber energy storage calcium silicate board according to claim 1, is characterized in that, the transformation temperature scope of described phase change material is 22 ℃～27 ℃.
4. a kind of vegetation fiber energy storage calcium silicate board according to claim 1, is characterized in that, the density of described phase change material is 0.8～0.9 kg/L.
5. a kind of vegetation fiber energy storage calcium silicate board according to claim 1, is characterized in that, the latent heat of phase change scope of described phase change material is 150～180 kJ/kg.
6. a kind of vegetation fiber energy storage calcium silicate board according to claim 2, is characterized in that, described organic phase change material is nontoxic, the organism of stable chemical nature.
7. a kind of vegetation fiber energy storage calcium silicate board according to claim 6, is characterized in that, described organic phase change material is paraffin, and transformation temperature scope is 22 ℃～25 ℃, and latent heat of phase change is higher than 150 kJ/kg.
8. a kind of vegetation fiber energy storage calcium silicate board according to claim 2, is characterized in that, the cubical expansivity of described inorganic phase-changing material is less than 4%, without surfusion.
9. according to a kind of vegetation fiber energy storage calcium silicate board described in any one in claim 1 to 8, it is characterized in that, the density of described vegetation fiber energy storage calcium silicate board is 1～2 g/cm
3, energy storage density is 120～150 kJ/m
3between, latent heat of phase change value is 15～25J/g.
10. the preparation method of a kind of vegetation fiber energy storage calcium silicate board described in claim 9, is characterized in that, comprises the following steps:
S1. per distribution ratio is got vegetation fiber reinforced calcium silicate board base material and phase change material by weight;
S2. vegetation fiber reinforced calcium silicate board base material is put into the vacuum drying oven vacuum-drying 6 hours of 120 ℃, after naturally cooling, taken out;
S3. liquid phase change material is poured in steeper, if non-liquid phase-change material is first liquid phase-change material by non-liquid phase-change material heat fused;
S4. adopt physics impregnation technology that the vegetation fiber reinforced calcium silicate board base material after vacuum-drying in step S2. is put into the steeper that step S3. is equipped with liquid phase-change material, vegetation fiber reinforced calcium silicate board base material takes out after about 40 minutes with liquid phase-change Material cladding at normal temperatures, naturally dry, obtain vegetation fiber energy storage calcium silicate board product.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290151A (en) * | 2014-09-28 | 2015-01-21 | 卢仁华 | Method for manufacturing straw board |
| CN104629691A (en) * | 2015-01-13 | 2015-05-20 | 天津市建筑科学研究院有限公司 | Stabilized phase change material for floor heating heat storage |
| CN113201314A (en) * | 2021-04-22 | 2021-08-03 | 东南大学 | Preparation method and application of C-S-H/PEG1000 phase-change composite material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096297A (en) * | 2006-06-28 | 2008-01-02 | 宁波荣山新型材料有限公司 | Organic phase-change composite light-weight sintering ceramic particle and preparation method thereof |
| CN101838131A (en) * | 2010-05-25 | 2010-09-22 | 陈耀强 | Dynamic hot water reaction hard microporous fiber calcium silicate board and manufacturing method thereof |
-
2013
- 2013-09-17 CN CN201310423863.5A patent/CN103524094A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096297A (en) * | 2006-06-28 | 2008-01-02 | 宁波荣山新型材料有限公司 | Organic phase-change composite light-weight sintering ceramic particle and preparation method thereof |
| CN101838131A (en) * | 2010-05-25 | 2010-09-22 | 陈耀强 | Dynamic hot water reaction hard microporous fiber calcium silicate board and manufacturing method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290151A (en) * | 2014-09-28 | 2015-01-21 | 卢仁华 | Method for manufacturing straw board |
| CN104290151B (en) * | 2014-09-28 | 2016-01-27 | 卢仁华 | A kind of preparation method of stalk board |
| CN104629691A (en) * | 2015-01-13 | 2015-05-20 | 天津市建筑科学研究院有限公司 | Stabilized phase change material for floor heating heat storage |
| CN113201314A (en) * | 2021-04-22 | 2021-08-03 | 东南大学 | Preparation method and application of C-S-H/PEG1000 phase-change composite material |
| CN113201314B (en) * | 2021-04-22 | 2022-02-11 | 东南大学 | Preparation method and application of C-S-H/PEG1000 phase-change composite material |
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Application publication date: 20140122 |