CN104098318A - Biomass porous phase change temperature adjustment and humidifying material and preparation method thereof - Google Patents

Biomass porous phase change temperature adjustment and humidifying material and preparation method thereof Download PDF

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Publication number
CN104098318A
CN104098318A CN201410315121.5A CN201410315121A CN104098318A CN 104098318 A CN104098318 A CN 104098318A CN 201410315121 A CN201410315121 A CN 201410315121A CN 104098318 A CN104098318 A CN 104098318A
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phase change
porous
temperature
change material
biomass
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CN201410315121.5A
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CN104098318B (en
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尚建丽
陈丹
杜雅琴
武斌
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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Abstract

The invention discloses a biomass porous phase change temperature adjustment and humidifying material and a preparation method thereof. The biomass porous phase change temperature adjustment and humidifying material is prepared by mixing a porous phase change material and a base material according to the mass ratio of 50:50; the porous phase change material is composed of a phase change material and a porous material according to the mass ratio of 4:6; the base material is a building gypsum plaster cementing material; the phase change material is paraffin or dodecyl alcohol; the porous material is walnut shell subjected to physical activation. The biomass porous phase change temperature adjustment and humidifying material, provided by the invention, compared with conventional phase change materials, can utilize porous phase change to realize temperature adjustment for the material, can utilize pores in the plaster adsorption to perform humidifying; the wasted shell is used as the raw material, the variety of building multifunctional materials are increased, the application range of biomass material is enlarged, and great significance is brought for the fields of improving indoor living environment and environmental protection and energy saving.

Description

A kind of biomass porous phase-changing and temperature-regulating humidity adjusting material and preparation method thereof
[technical field]
The present invention relates to a kind of phase transformation multifunctional material for construction wall, be specifically related to a kind of biomass porous phase-changing and temperature-regulating humidity adjusting material and preparation method thereof.
[background technology]
Along with people improve constantly the requirement of indoor living environment, often rely on air-conditioning heating and humidifying apparatus damping, this mode is subject to the restriction of energy-conserving and environment-protective policy because expending mass energy, how to make full use of a kind of building phase transformation of solar energy development multifunctional material, becoming initiatively power consumption energy-conservation into passive type, is a stern challenge.
[summary of the invention]
The object of the present invention is to provide a kind of biomass porous phase-changing and temperature-regulating humidity adjusting material and preparation method thereof, to solve the problems of the technologies described above.
To achieve these goals, the present invention adopts following technical scheme:
Porous phase change material and base material that a biomass porous phase-changing and temperature-regulating humidity adjusting material is 50:50 by mass ratio mix; Phase change material and porous material that described porous phase change material is 4:6 by mass ratio form; Described base material is plaster of Paris gelling material; Described phase change material is paraffin or lauryl alcohol; Described porous material is through physically activated nut-shell.
Preferably, the preparation process of porous material comprises the following steps: by the pickling of nut-shell raw material, dry 24 hours at 105 ℃; Get the nut-shell raw material of oven dry, put into ball mill, ball milling 6 hours; The levigate rear 0.63mm that crosses of nut-shell is sieved to obtain to powder; Powder is put into process furnace, with the temperature rise rate of 25 ℃/min, temperature in stove is first risen to 400 ℃ by room temperature, constant temperature rises to 600 ℃ with same temperature rise rate by temperature after one hour again, keep with stove, naturally cooling to room temperature after 30 minutes, obtain porous material; The porous material of preparing under this system, porosity is 76%, pore size distribution concentrates on 10 4nm~10 5between nm.
Preferably, described paraffin is solid-state, and fusing point is 45 ℃~48 ℃; Lauryl alcohol is liquid, and fusing point is 20 ℃~24 ℃.
Preferably, plaster of Paris gelling material is that water paste ratio is the gelling material of 0.7:1.
Preferably, described porous phase change material is obtained by porous material vacuum suck or vacuum injection phase change material.
A preparation method for biomass porous phase-changing and temperature-regulating humidity adjusting material, comprises the following steps:
1), by the pickling of nut-shell raw material, at 105 ℃, dry 24 hours; Get the nut-shell raw material of oven dry, put into ball mill, ball milling 6 hours, then carry out further grinding with vibration mill, sieve and get the powder that particle diameter is less than 0.63mm;
2) powder after sieving is carried out physically activated, the concrete steps of activation are: powder is put into process furnace, temperature rise rate with 25 ℃/min, temperature in stove is first risen to 400 ℃ by room temperature, constant temperature rises to 600 ℃ with same temperature rise rate by temperature after 60 minutes again, keep with stove, naturally cooling to room temperature after 30 minutes, obtain porous material;
3) porous material and paraffin phase change material are put into filter flask, first vacuumize 4 minutes, then heat 0.5 hour in 50 ℃ of water-baths, utilize to vacuumize and immerse phase change material formation porous phase change material; Or porous material is put into filter flask, and first vacuumizing 6 minutes, the lauryl alcohol phase change material that reinjects forms porous phase change material; In above-mentioned porous phase change material, the mass ratio of phase change material and porous material is 4:6;
4) the porous phase change material and the base material that by mass ratio, are 50:50 mix, and obtain biomass porous phase-changing and temperature-regulating humidity adjusting material.
Preferably, after activation, nut-shell pore size distribution concentrates on 10 4nm~10 5between nm, porosity reaches 76%; Described base material is plaster of Paris gelling material, and plaster of Paris gelling material is that water paste ratio is the gelling material of 0.7:1.
Preferably, described phase change material is paraffin or lauryl alcohol; Described paraffin is solid-state, and fusing point is 45 ℃~48 ℃; Lauryl alcohol is liquid, and fusing point is 20 ℃~23 ℃.
With respect to prior art, the present invention has following beneficial effect:
The present invention adopts discarded nut-shell to prepare biomass porous material, and the porous material activating of take is sorbent material, take multiple phase change material as adsorbate, and composite porous material, phase change material and gypsum gelatinous material form has the multifunctional material that temperature adjustment has again damping.The present invention utilizes discarded nut-shell to prepare biomass porous material, not only can save material, and meet the environmental protection policy of national resources comprehensive utilization.This material principal character: pore texture is flourishing, and hole aperture is continuous, has good adsorptive power; The present invention effectively in conjunction with phase change material, utilizes the absorption principle of hole to material by porous material, meets the matching effect of phase-changing and temperature-regulating and hole moisture absorption.
Biomass porous phase-changing and temperature-regulating humidity adjusting material of the present invention, compare with phase change material in the past, not only can utilize phase change material temperature adjustment in hole, and can utilize porous absorption in gypsum to carry out damping, especially adopt discarded shell as raw material, increase the kind of building multifunctional material, expanded the range of application of biological material, significant for indoor living environment improvement and environmental protection and energy saving field.
[accompanying drawing explanation]
Fig. 1 is according to the graph of pore diameter distribution of above-mentioned preparation process gained porous material;
Fig. 2 a does not contain the temperature-time variation diagram of the gypsum of porous phase change material;
Fig. 2 b is that mass ratio is the temperature-time variation diagram of 50:50 porous phase transformation composite gypsum;
Fig. 2 c is equilibrium moisture content-relative humidity variations schematic diagram of biomass porous phase-changing and temperature-regulating humidity adjusting material;
Fig. 3 a is the front porous material SEM figure of absorption phase change material;
Fig. 3 b is porous material SEM figure after absorption phase change material.
[embodiment]
Below in conjunction with embodiment, the present invention is described in further detail.
1. starting material
(1) discarded nut-shell: pickling post-drying is also levigate, crosses 0.63mm sieve, then carries out physically activatedly, and after activation, nut-shell pore size distribution concentrates on 10 4nm~10 5between nm, porosity is up to 76%.
(2) phase change material: adopt paraffin or lauryl alcohol; Paraffin: solid-state, fusing point is 45 ℃~48 ℃; Lauryl alcohol: liquid state, fusing point is 20 ℃~24 ℃.
2, nut-shell activation system
3, optimal adsorption ratio
A preparation method for biomass porous phase-changing and temperature-regulating humidity adjusting material, comprises the following steps:
1), by the pickling of nut-shell raw material, at 105 ℃, dry 24 hours.Get the nut-shell raw material of oven dry, put into ball mill, ball milling 6 hours, then carry out further grinding with vibration mill, sieve and get the powder that particle diameter is less than 0.63mm.
2) powder after sieving is carried out physically activated, the concrete steps of activation are: powder is put into process furnace, temperature rise rate with 25 ℃/min, temperature in stove is first risen to 400 ℃ by room temperature, constant temperature is warming up to 600 ℃ with identical temperature rise rate after 60 minutes again, keep with stove, naturally cooling to room temperature after 30 minutes, obtain porous material.
3) porous material and paraffin phase change material are put into filter flask, first vacuumize 4 minutes, then heat 0.5 hour in 50 ℃ of water-baths, utilize to vacuumize and immerse phase change material formation porous paraffin phase change material; Or porous material is put into filter flask, and first vacuumizing 6 minutes, lauryl alcohol phase change material reinjects; In above-mentioned porous phase change material, the mass ratio of phase change material and porous material is 4:6.
4) the porous phase change material and the base material that by mass ratio, are 50:50 mix, and obtain biomass porous phase-changing and temperature-regulating humidity adjusting material.
The performance of porous phase-changing and temperature-regulating humidity adjusting material
The temperature adjusting performance of the biomass porous phase-changing and temperature-regulating humidity adjusting material that the present invention is prepared and humidity test are as shown in Fig. 2 b and Fig. 2 c; Microscopic appearance before and after porous material absorption phase change material as shown in Figure 3 a and Figure 3 b shows; By these figure, can be found out, the prepared biomass porous phase-changing and temperature-regulating humidity adjusting material of the present invention has following characteristics:
(1) there is the temperature adjustment more superior than pure gypsum
Utilize porous material absorption phase change material, when indoor environment temperature is during higher than this phase change material fusing point, in this material, phase change material undergoes phase transition process, follow storage or the release of energy, thereby effectively reach, regulate the effect of temperature (after the porous phase change material that in Fig. 2 b, mass ratio is 50:50 and base material are compound, near transformation temperature, to occur temperature platform, show to have heat accumulation effect), give the new function that plaster of Paris did not have originally on the one hand, increased on the other hand construction material energy-saving effect.
(2) there is the adjustable wet more superior than pure gypsum
By porous phase change material and plaster of Paris compound after, by the hole in gypsum, be superimposed with the residual pore that does not adsorb phase change material in porous material, can effectively strengthen the moisture absorbing of material of construction, original gypsum wettability power is improved, gives full play to environmental protection, green, the multi-functional characteristic of plaster of Paris.
The present invention be take and discarded shell as raw material, by activating technology, prepare porous phase change material, make full use of biological material, compound with common building gypsum plaster, not only can expand the kind of material of construction, and meet the policy of national resources comprehensive utilization, save on gypsum production starting material basis, increased the energy-saving effect in materials'use, for the eubiosis, to maintain environmental harmony significant.

Claims (8)

1. a biomass porous phase-changing and temperature-regulating humidity adjusting material, is characterized in that, the porous phase change material and the base material that by mass ratio, are 50:50 mix; Phase change material and porous material that described porous phase change material is 4:6 by mass ratio form; Described base material is plaster of Paris gelling material; Described phase change material is paraffin or lauryl alcohol; Described porous material is through physically activated nut-shell.
2. a kind of biomass porous phase-changing and temperature-regulating humidity adjusting material according to claim 1, is characterized in that, the preparation process of porous material comprises the following steps: by the pickling of nut-shell raw material, dry 24 hours at 105 ℃; Get the nut-shell raw material of oven dry, put into ball mill, ball milling 6 hours; The levigate rear 0.63mm that crosses of nut-shell is sieved to obtain to powder; Powder is put into process furnace, with the temperature rise rate of 25 ℃/min, temperature in stove is first risen to 400 ℃ by room temperature, constant temperature rises to 600 ℃ with same temperature rise rate by temperature after one hour again, keep with stove, naturally cooling to room temperature after 30 minutes, obtain porous material; The porous material of preparing under this system, porosity is 76%, pore size distribution concentrates on 10 4nm~10 5between nm.
3. a kind of biomass porous phase-changing and temperature-regulating humidity adjusting material according to claim 1, is characterized in that, described paraffin is solid-state, and fusing point is 45 ℃~48 ℃; Lauryl alcohol is liquid, and fusing point is 20 ℃~24 ℃.
4. a kind of biomass porous phase-changing and temperature-regulating humidity adjusting material according to claim 1, is characterized in that, described porous phase change material injects phase change material by porous material vacuum suck or vacuum and obtains.
5. a kind of biomass porous phase-changing and temperature-regulating humidity adjusting material according to claim 1, is characterized in that, plaster of Paris gelling material is that water paste ratio is the gelling material of 0.7:1.
6. a preparation method for biomass porous phase-changing and temperature-regulating humidity adjusting material, is characterized in that, comprises the following steps:
1), by the pickling of nut-shell raw material, at 105 ℃, dry 24 hours; Get the nut-shell raw material of oven dry, put into ball mill, ball milling 6 hours, then carry out further grinding with vibration mill, sieve and get the powder that particle diameter is less than 0.63mm;
2) powder after sieving is carried out physically activated, the concrete steps of activation are: powder is put into process furnace, temperature rise rate with 25 ℃/min, temperature in stove is first risen to 400 ℃ by room temperature, constant temperature rises to 600 ℃ with same temperature rise rate by temperature after 60 minutes again, keep with stove, naturally cooling to room temperature after 30 minutes, obtain porous material;
3) porous material and paraffin phase change material are put into filter flask, first vacuumize 4 minutes, then heat 0.5 hour in 50 ℃ of water-baths, utilize to vacuumize and immerse phase change material formation porous phase change material; Or porous material is put into filter flask, and first vacuumizing 6 minutes, the lauryl alcohol phase change material that reinjects forms porous phase change material; In above-mentioned porous phase change material, the mass ratio of phase change material and porous material is 4:6;
4) the porous phase change material and the base material that by mass ratio, are 50:50 mix, and obtain biomass porous phase-changing and temperature-regulating humidity adjusting material.
7. preparation method according to claim 6, is characterized in that, after activation, nut-shell pore size distribution concentrates on 10 4nm~10 5between nm, porosity is 76%; Described base material is plaster of Paris gelling material, and plaster of Paris gelling material is that water paste ratio is the gelling material of 0.7:1.
8. preparation method according to claim 6, is characterized in that, described phase change material is paraffin or lauryl alcohol; Described paraffin is solid-state, and fusing point is 45 ℃~48 ℃; Lauryl alcohol is liquid, and fusing point is 20 ℃~23 ℃.
CN201410315121.5A 2014-07-03 2014-07-03 A kind of biomass porous phase-changing and temperature-regulating humidity adjusting material and preparation method thereof Expired - Fee Related CN104098318B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104449591A (en) * 2014-12-10 2015-03-25 西安建筑科技大学 Nanoscale dibasic fatty acid/SiO2 composite phase change material having temperature-regulating and humidity-regulating properties and preparation method thereof
CN106987232A (en) * 2017-04-06 2017-07-28 太原科技大学 A kind of biomass-based phase-changing energy storage material and preparation method thereof
CN107352934A (en) * 2017-06-28 2017-11-17 常州蓝旗亚纺织品有限公司 A kind of conditioning composite
CN107490658A (en) * 2017-09-11 2017-12-19 云南中烟工业有限责任公司 A kind of evaluation method of cigarette humid keeping performance
CN108516782A (en) * 2018-05-08 2018-09-11 沈阳建筑大学 A kind of environment-adaptive type ardealite materials for wall and preparation method thereof
CN108676550A (en) * 2018-07-04 2018-10-19 山东建筑大学 A kind of inorganic hydrated salt porous carbon composite phase-change material and preparation method thereof
CN109489278A (en) * 2018-11-22 2019-03-19 湖南省农村科技发展中心 Grapheme foam/paraffin wax phase change energy storage material production solar water heater water tank
CN109762531A (en) * 2019-03-13 2019-05-17 苏州科技大学 A kind of composite material and preparation method with phase-change temperature control damping purifying property
CN110372301A (en) * 2019-07-31 2019-10-25 武汉理工大学 A kind of conditioning cement-based mortar and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101219881A (en) * 2007-01-08 2008-07-16 任兆磊 Phosphogypsum composite material
CN101234881A (en) * 2008-02-20 2008-08-06 西安建筑科技大学 Humidity-conditioning building materials capable of automatically adjusting indoor humidity
CN102951639A (en) * 2012-10-31 2013-03-06 中国计量学院 Method for preparing high specific surface area active carbon by using carya cathayensis peels
CN103274718A (en) * 2013-05-17 2013-09-04 武汉威尔博科技发展有限公司 Temperature-sensitive humidity-sensitive functional building material and preparation method thereof
CN103288411A (en) * 2013-05-17 2013-09-11 武汉威尔博科技发展有限公司 Environment-friendly passive type temperature controlling and humidifying material and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101219881A (en) * 2007-01-08 2008-07-16 任兆磊 Phosphogypsum composite material
CN101234881A (en) * 2008-02-20 2008-08-06 西安建筑科技大学 Humidity-conditioning building materials capable of automatically adjusting indoor humidity
CN102951639A (en) * 2012-10-31 2013-03-06 中国计量学院 Method for preparing high specific surface area active carbon by using carya cathayensis peels
CN103274718A (en) * 2013-05-17 2013-09-04 武汉威尔博科技发展有限公司 Temperature-sensitive humidity-sensitive functional building material and preparation method thereof
CN103288411A (en) * 2013-05-17 2013-09-11 武汉威尔博科技发展有限公司 Environment-friendly passive type temperature controlling and humidifying material and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
余梅芳: "核桃壳制备活性炭方法及吸附性能的研究", 《湖州职业技术学院学报》, no. 1, 31 March 2011 (2011-03-31) *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104449591A (en) * 2014-12-10 2015-03-25 西安建筑科技大学 Nanoscale dibasic fatty acid/SiO2 composite phase change material having temperature-regulating and humidity-regulating properties and preparation method thereof
CN106987232A (en) * 2017-04-06 2017-07-28 太原科技大学 A kind of biomass-based phase-changing energy storage material and preparation method thereof
CN107352934A (en) * 2017-06-28 2017-11-17 常州蓝旗亚纺织品有限公司 A kind of conditioning composite
CN107490658A (en) * 2017-09-11 2017-12-19 云南中烟工业有限责任公司 A kind of evaluation method of cigarette humid keeping performance
CN107490658B (en) * 2017-09-11 2019-07-16 云南中烟工业有限责任公司 A kind of evaluation method of cigarette humid keeping performance
CN108516782A (en) * 2018-05-08 2018-09-11 沈阳建筑大学 A kind of environment-adaptive type ardealite materials for wall and preparation method thereof
CN108676550A (en) * 2018-07-04 2018-10-19 山东建筑大学 A kind of inorganic hydrated salt porous carbon composite phase-change material and preparation method thereof
CN109489278A (en) * 2018-11-22 2019-03-19 湖南省农村科技发展中心 Grapheme foam/paraffin wax phase change energy storage material production solar water heater water tank
CN109762531A (en) * 2019-03-13 2019-05-17 苏州科技大学 A kind of composite material and preparation method with phase-change temperature control damping purifying property
CN110372301A (en) * 2019-07-31 2019-10-25 武汉理工大学 A kind of conditioning cement-based mortar and preparation method thereof
CN110372301B (en) * 2019-07-31 2021-08-10 武汉理工大学 Temperature and humidity regulating cement-based mortar and preparation method thereof

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