CN104098318B - A kind of biomass porous phase-changing and temperature-regulating humidity adjusting material and preparation method thereof - Google Patents
A kind of biomass porous phase-changing and temperature-regulating humidity adjusting material and preparation method thereof Download PDFInfo
- Publication number
- CN104098318B CN104098318B CN201410315121.5A CN201410315121A CN104098318B CN 104098318 B CN104098318 B CN 104098318B CN 201410315121 A CN201410315121 A CN 201410315121A CN 104098318 B CN104098318 B CN 104098318B
- Authority
- CN
- China
- Prior art keywords
- porous
- phase change
- temperature
- change material
- changing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The present invention discloses a kind of biomass porous phase-changing and temperature-regulating humidity adjusting material and preparation method thereof, and described biomass porous phase-changing and temperature-regulating humidity adjusting material is that the porous phase change material of 50:50 and base material mix by mass ratio; Described porous phase change material is that the phase change material of 4:6 and porous material form by mass ratio; 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.Biomass porous phase-changing and temperature-regulating humidity adjusting material of the present invention, compared with phase change material in the past, phase change material temperature adjustment in hole can not only be utilized, and porous absorption in gypsum can be utilized to carry out damping, especially adopt discarded shell as raw material, add building multifunctional material kind, expand the range of application of biological material, for indoor living environment improve and environmental protection and energy saving field significant.
Description
[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, the heating of frequent dependence air-conditioning and humidifying apparatus damping, this mode is subject to the restriction of energy-conserving and environment-protective policy because of the at substantial energy, how to make full use of solar energy development one building phase transformation multifunctional material, becoming and initiatively consume energy into passive type is energy-conservation, 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:
A kind of biomass porous phase-changing and temperature-regulating humidity adjusting material is that the porous phase change material of 50:50 and base material mix by mass ratio; Described porous phase change material is that the phase change material of 4:6 and porous material form by mass ratio; 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, dries 24 hours at 105 DEG C; Get the nut-shell raw material of oven dry, put into ball mill, ball milling 6 hours; Levigate for the nut-shell rear 0.63mm that crosses is sieved to obtain powder; Powder is put into process furnace, with the temperature rise rate of 25 DEG C/min, in-furnace temperature is first risen to 400 DEG C by room temperature, temperature was risen to 600 DEG C with same temperature rise rate after one hour by constant temperature again, keep naturally cooling to room temperature with stove after 30 minutes, obtain porous material; The porous material prepared under this system, porosity is 76%, and pore size distribution concentrates on 10
4nm ~ 10
5between nm.
Preferably, described paraffin is solid-state, and fusing point is 45 DEG C ~ 48 DEG C; Lauryl alcohol is liquid, and fusing point is 20 DEG C ~ 24 DEG C.
Preferably, the gelling material of plaster of Paris gelling material to be water paste ratio be 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, dry 24 hours at 105 DEG C; 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, with the temperature rise rate of 25 DEG C/min, in-furnace temperature is first risen to 400 DEG C by room temperature, temperature was risen to 600 DEG C with same temperature rise rate after 60 minutes by constant temperature again, keep naturally cooling to room temperature with stove 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 DEG C of water-baths, utilize to vacuumize and immerse phase change material formation porous phase change material; Or porous material is put into filter flask, first vacuumize 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) be that the porous phase change material of 50:50 and base material mix by mass ratio, 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, the gelling material of plaster of Paris gelling material to be water paste ratio be 0.7:1.
Preferably, described phase change material is paraffin or lauryl alcohol; Described paraffin is solid-state, and fusing point is 45 DEG C ~ 48 DEG C; Lauryl alcohol is liquid, and fusing point is 20 DEG C ~ 23 DEG C.
Relative to prior art, the present invention has following beneficial effect:
The present invention adopts discarded nut-shell to prepare biomass porous material, and with the porous material activated for sorbent material, with multiple phase change material for adsorbate, composite porous material, phase change material and gypsum gelatinous material are formed 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 meets the environmental protection policy of national resources comprehensive utilization.This material principal character: pore texture is flourishing, hole aperture is continuous, has good adsorptive power; The present invention effectively in conjunction with phase change material by porous material, is utilized hole to the absorption principle of 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, compared with phase change material in the past, phase change material temperature adjustment in hole can not only be utilized, and porous absorption in gypsum can be utilized to carry out damping, especially adopt discarded shell as raw material, add building multifunctional material kind, expand the range of application of biological material, for indoor living environment improve and environmental protection and energy saving field significant.
[accompanying drawing explanation]
Fig. 1 is the graph of pore diameter distribution according to above-mentioned preparation process gained porous material;
Fig. 2 a is not containing the Temperature-time variation diagram of the gypsum of porous phase change material;
The Temperature-time variation diagram of Fig. 2 b to be mass ratio be 50:50 porous phase transformation composite gypsum;
Fig. 2 c is the equilibrium moisture content-relative humidity variations schematic diagram of biomass porous phase-changing and temperature-regulating humidity adjusting material;
Fig. 3 a is that before absorption phase change material, porous material SEM schemes;
Fig. 3 b is that after absorption phase change material, porous material SEM schemes.
[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, cross 0.63mm sieve, then carry out physically activated, 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 DEG C ~ 48 DEG C; Lauryl alcohol: liquid, fusing point is 20 DEG C ~ 24 DEG C.
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, dry 24 hours at 105 DEG C.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, with the temperature rise rate of 25 DEG C/min, in-furnace temperature is first risen to 400 DEG C by room temperature, constant temperature is warming up to 600 DEG C with identical temperature rise rate after 60 minutes again, keep naturally cooling to room temperature with stove 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 DEG C 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, first vacuumize 6 minutes, reinject lauryl alcohol phase change material; In above-mentioned porous phase change material, the mass ratio of phase change material and porous material is 4:6.
4) be that the porous phase change material of 50:50 and base material mix by mass ratio, 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 prepared by the present invention 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; As can be seen from these figure, the biomass porous phase-changing and temperature-regulating humidity adjusting material prepared by 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 higher than this phase change material fusing point, in this material, phase change material undergoes phase transition process, with storage or the release of energy, thus effectively reach and regulate the effect of temperature (in Fig. 2 b, mass ratio is near transformation temperature, occurred temperature platform after the porous phase change material of 50:50 and base material compound, show that there is heat accumulation effect), give the New function that plaster of Paris did not have originally on the one hand, add construction material energy-saving effect on the other hand.
(2) there is the adjustable wet more superior than pure gypsum
After porous phase change material and plaster of Paris compound, the residual pore not adsorbing phase change material is superimposed with in porous material by the hole in gypsum, effectively can strengthen the moisture absorbing of material of construction, original gypsum wettability power is improved, gives full play to the environmental protection of plaster of Paris, green, multi-functional characteristic.
The present invention with discarded shell for raw material, porous phase change material is prepared by activating technology, make full use of biological material, with common building gypsum plaster compound, not only can expand the kind of material of construction, and meet the policy of national resources comprehensive utilization, produce on starting material basis at saving gypsum, add the energy-saving effect in materials'use, for the eubiosis, maintain environmental harmony significant.
Claims (4)
1. a biomass porous phase-changing and temperature-regulating humidity adjusting material, is characterized in that, is that the porous phase change material of 50:50 and base material mix by mass ratio; Described porous phase change material is that the phase change material of 4:6 and porous material form by mass ratio; 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;
The preparation process of porous material comprises the following steps: by the pickling of nut-shell raw material, dries 24 hours at 105 DEG C; Get the nut-shell raw material of oven dry, put into ball mill, ball milling 6 hours; Levigate for the nut-shell rear 0.63mm that crosses is sieved to obtain powder; Powder is put into process furnace, with the temperature rise rate of 25 DEG C/min, in-furnace temperature is first risen to 400 DEG C by room temperature, temperature was risen to 600 DEG C with same temperature rise rate after one hour by constant temperature again, keep naturally cooling to room temperature with stove after 30 minutes, obtain porous material; The porous material prepared under this system, porosity is 76%, and pore size distribution concentrates on 10
4nm ~ 10
5between nm;
Described porous phase change material injects phase change material by porous material vacuum suck or vacuum and obtains.
2. the biomass porous phase-changing and temperature-regulating humidity adjusting material of one according to claim 1, is characterized in that, described paraffin is solid-state, and fusing point is 45 DEG C ~ 48 DEG C; Lauryl alcohol is liquid, and fusing point is 20 DEG C ~ 24 DEG C.
3. the biomass porous phase-changing and temperature-regulating humidity adjusting material of one according to claim 1, is characterized in that, the gelling material of plaster of Paris gelling material to be water paste ratio be 0.7:1.
4. a preparation method for biomass porous phase-changing and temperature-regulating humidity adjusting material, is characterized in that, comprise the following steps:
1) by the pickling of nut-shell raw material, dry 24 hours at 105 DEG C; 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, with the temperature rise rate of 25 DEG C/min, in-furnace temperature is first risen to 400 DEG C by room temperature, temperature was risen to 600 DEG C with same temperature rise rate after 60 minutes by constant temperature again, keep naturally cooling to room temperature with stove 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 DEG C of water-baths, utilize to vacuumize and immerse phase change material formation porous phase change material; Or porous material is put into filter flask, first vacuumize 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) be that the porous phase change material of 50:50 and base material mix by mass ratio, obtain biomass porous phase-changing and temperature-regulating humidity adjusting material;
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, the gelling material of plaster of Paris gelling material to be water paste ratio be 0.7:1;
Described phase change material is paraffin or lauryl alcohol; Described paraffin is solid-state, and fusing point is 45 DEG C ~ 48 DEG C; Lauryl alcohol is liquid, and fusing point is 20 DEG C ~ 23 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315121.5A CN104098318B (en) | 2014-07-03 | 2014-07-03 | A kind of biomass porous phase-changing and temperature-regulating humidity adjusting material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315121.5A CN104098318B (en) | 2014-07-03 | 2014-07-03 | A kind of biomass porous phase-changing and temperature-regulating humidity adjusting material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104098318A CN104098318A (en) | 2014-10-15 |
| CN104098318B true CN104098318B (en) | 2016-02-10 |
Family
ID=51666907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410315121.5A Expired - Fee Related CN104098318B (en) | 2014-07-03 | 2014-07-03 | A kind of biomass porous phase-changing and temperature-regulating humidity adjusting material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104098318B (en) |
Families Citing this family (9)
| 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 |
| 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 |
| CN108676550B (en) * | 2018-07-04 | 2021-01-22 | 山东建筑大学 | 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 |
| 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 |
Citations (5)
| 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 |
-
2014
- 2014-07-03 CN CN201410315121.5A patent/CN104098318B/en not_active Expired - Fee Related
Patent Citations (5)
| 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)
| Title |
|---|
| 核桃壳制备活性炭方法及吸附性能的研究;余梅芳;《湖州职业技术学院学报》;20110331(第1期);第79-81页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104098318A (en) | 2014-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104098318B (en) | A kind of biomass porous phase-changing and temperature-regulating humidity adjusting material and preparation method thereof | |
| CN107586150A (en) | A kind of high water retention porous ceramic film material of high water absorbing capacity and preparation method and application | |
| CN102827583B (en) | Phase change composite material and preparation method thereof | |
| CN103979814B (en) | A kind of suction ripple light skeletal and preparation method thereof | |
| CN104449591A (en) | Nanoscale dibasic fatty acid/SiO2 composite phase change material having temperature-regulating and humidity-regulating properties and preparation method thereof | |
| CN106543974B (en) | A kind of composite shape-setting phase-change material and preparation method | |
| CN105174999A (en) | Porous ceramic sound absorption material and preparation method therefor | |
| CN105462381A (en) | Temperature and humidity regulating type composite coating material and preparation method thereof | |
| CN108570309A (en) | Phase-change thermal-storage material and preparation method | |
| CN114032073A (en) | Preparation method of slag expanded bead composite phase-change material | |
| CN103288411B (en) | Environment-friendly passive type temperature controlling and humidifying material and preparation method thereof | |
| CN103274718A (en) | Temperature-sensitive humidity-sensitive functional building material and preparation method thereof | |
| CN104650815B (en) | A kind of composite shape-setting cooling storage material and preparation method thereof | |
| CN103896622A (en) | Preparation method of thermal insulation foam ceramic material | |
| CN104357020B (en) | A kind of nano modified inorganic room temperature phase-change heat accumulating and preparation method thereof | |
| CN106278129A (en) | A kind of 3D printing magnesium phosphate cement fast vigour wet stock and preparation method thereof | |
| CN106186873A (en) | A kind of environmentally friendly phase-change accumulation energy dry powder and mortar and preparation method thereof | |
| CN102924644B (en) | A kind of preparation method of vinylformic acid moisturizing matrix material | |
| CN110204234B (en) | Preparation method of double-shell hollow large granule material | |
| CN107129274B (en) | Ceramic wall tile with humidity adjusting function and low-temperature rapid firing method thereof | |
| CN101928437A (en) | Method for preparing macromolecule humidity controlling agent | |
| CN104549142A (en) | Nanometer porous carbon aerogel dry-wet balance preparation and preparation method thereof | |
| CN105480950B (en) | A kind of preparation method of oxide porous material | |
| CN105985074B (en) | Dry powder mortar composition capable of releasing negative oxygen ions and preparation method thereof | |
| CN1986183A (en) | Production process of heat insulating porous shale brick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20180703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |