CN112979264B - Solar phase-change energy-storage temperature control plate and preparation method and application thereof - Google Patents
Solar phase-change energy-storage temperature control plate and preparation method and application thereof Download PDFInfo
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- CN112979264B CN112979264B CN202110426151.3A CN202110426151A CN112979264B CN 112979264 B CN112979264 B CN 112979264B CN 202110426151 A CN202110426151 A CN 202110426151A CN 112979264 B CN112979264 B CN 112979264B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/143—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being phosphogypsum
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
Abstract
The invention discloses a solar phase-change energy-storage temperature control plate and a preparation method and application thereof, and the solar phase-change energy-storage temperature control plate comprises the following raw materials: 28-32 parts of phosphogypsum, 27-33 parts of electrolytic manganese slag, 58-62 parts of red mud, 0.8-1.2 parts of sodium chloride, 89-91 parts of magnesium chloride, 7-11 parts of sodium metabisulfite, 10-15 parts of isocyanate and 10-15 parts of polyether polyol. The solar phase-change energy-storage temperature control plate has low cost, good performance, water resistance, incombustibility, light weight, low heat conduction system and high Wen Qi resistance, can be used for an external heat insulation system of a building outer wall, an internal heat insulation system of an inner wall, and can also be applied to movable houses, purification workshops, color steel sandwich plates of a refrigeration house, air-conditioning air pipes, pipeline heat insulation, curtain wall heat insulation, roof heat insulation, machine room cabinet heat insulation, equipment heat insulation, carbon crystal electric heating plate heat insulation and various fields needing heat insulation.
Description
Technical Field
The invention belongs to the field of comprehensive utilization of industrial solid waste resources, and particularly relates to a solar phase-change energy storage temperature control plate and a preparation method and application thereof.
Background
Red mud is an industrial solid waste discharged when alumina is extracted in the aluminum production industry, and is called red mud because of high iron oxide content and similar appearance to red mud. Depending on the ore taste, production method and technical level, about 1.0 to 1.8 tons of red mud are discharged per 1 ton of alumina produced. China is used as a large country for alumina production, and the annual discharge of red mud is up to millions of tons. With the increasing stockpiling amount of the red mud and the increasing serious pollution to the environment, the utilization of the red mud to the maximum extent is not sustained.
The prior art is to use red mud in the building field and further extract aluminum oxide from the red mud. Extracting iron and iron-containing particles thereof by using a high-gradient magnetic separator, and making the remainder into bricks serving as building materials; the novel environment-friendly ceramic filter material is produced by taking solid wastes such as fly ash, coal gangue and the like as main raw materials to replace quartz sand for drinking water filtration treatment; in the agricultural field, the red mud contains alkali, is rich in calcium, silicon, potassium and phosphorus elements and microelements required by crops, and can be used as saline-alkali soil for modifying acidified soil. Red mud is not known as a solar phase-change energy storage temperature control plate in the related literature and reports.
Disclosure of Invention
The invention aims to provide a solar phase-change energy-storage temperature control plate which has the advantages of low cost, good performance, water resistance, incombustibility, light weight, low heat conductivity coefficient and high Wen Qi resistance.
The invention further aims at providing a preparation method and application of the solar phase-change energy storage temperature control plate.
The invention discloses a solar phase-change energy-storage temperature control plate which comprises the following raw materials in parts by weight:
28-32 parts of phosphogypsum, 27-33 parts of electrolytic manganese slag, 58-62 parts of red mud, 0.8-1.2 parts of sodium chloride, 89-91 parts of magnesium chloride, 7-11 parts of sodium metabisulfite, 10-15 parts of black material and 10-15 parts of white material;
the black material is isocyanate, and the white material is polyether polyol.
The invention discloses a preparation method of a solar phase-change energy storage temperature control plate, which comprises the following steps:
(1) 28-32 parts of phosphogypsum, 27-33 parts of electrolytic manganese slag, 58-62 parts of red mud, 0.8-1.2 parts of sodium chloride, 89-91 parts of magnesium chloride, 7-11 parts of sodium metabisulfite, 10-15 parts of black material and 10-15 parts of white material;
(2) Grinding phosphogypsum, electrolytic manganese slag and red mud to 200 meshes to obtain mixed powder;
(3) Dissolving sodium chloride, magnesium chloride and sodium metabisulfite in 100 parts of water at 60 ℃ to prepare a mixed aqueous solution;
(4) Adding 50-60% of mixed powder into the mixed aqueous solution, uniformly stirring, standing for reaction for 10 minutes to obtain phase-change energy-storage aggregates, dispersing the aggregates by using cutting equipment, and preparing phase-change small particles with the particle size of 1 mm in a granulator with the power of 0.25 kilowatt and the forward and reverse rotation number of 46 r/min and the length of 186 mm;
(5) Adding the small particles into black isocyanate, uniformly mixing, and forming a layer of isocyanate coating on the surfaces of the small particles;
(6) And (3) adding the material obtained in the step (5) into the white polyether polyol, stirring and mixing, rapidly pouring into a mould, and naturally puffing and reacting in the mould for 10 minutes to obtain the solar phase-change energy storage temperature control plate.
The invention relates to a solar phase-change energy-storage temperature control plate which is used for heat preservation of inner and outer walls of civil buildings.
Compared with the prior art, the invention has obvious beneficial effects, and the red mud is adopted as the raw material for preparation, so that the defects of flammability, high smoke and thermal deformation of the organic foam plastic type heat insulation material are overcome, and the characteristics of high heat conductivity, poor heat insulation effect, heavy quality and no water resistance of the inorganic heat insulation material are overcome. The phase transition temperature of the solar energy storage temperature control plate is 30 ℃, the enthalpy value is 936.2J/g, the heat conductivity coefficient is 0.045W/(m.k) which is far lower than that of inorganic and organic inner and outer wall fireproof heat insulation products commonly used in the market, and a higher energy-saving effect is achieved. The energy storage heat preservation plate is an environment-friendly product, does not irritate skin, does not cause any harm to human body, has very good dimensional stability, and does not shrink, deform and the like no matter in an environment of-50-200 ℃. The solar energy storage temperature control plate can be used for an external heat preservation system of an external wall of a building, an internal heat preservation system of an internal wall, and can also be applied to movable houses, purification workshops and refrigeration house color steel sandwich boards, air-conditioning air pipes, pipeline heat preservation, curtain wall heat preservation, roof heat preservation, machine room cabinet heat preservation, equipment heat preservation, carbon crystal electric heating plate heat preservation and various fields needing heat preservation and heat preservation. The prepared energy storage plate has the advantages of low cost, good performance, water resistance, incombustibility, light weight, low heat conduction system and high resistance Wen Qi.
Detailed Description
Example 1
A preparation method of a solar phase-change energy-storage temperature control plate comprises the following steps:
(1) Weighing 28 kg of phosphogypsum, 27 kg of electrolytic manganese slag, 58 kg of red mud, 0.8 kg of sodium chloride, 89 kg of magnesium chloride, 7 kg of sodium metabisulfite, 10 kg of black material and 10 kg of white material for later use;
(2) Grinding phosphogypsum, electrolytic manganese slag and red mud to 200 meshes to obtain mixed powder;
(3) Dissolving sodium chloride, magnesium chloride and sodium metabisulfite in 100 kg of water at 60 ℃ to prepare a mixed aqueous solution;
(4) Adding 50 kg of mixed powder (1) into 100 kg of mixed aqueous solution, uniformly stirring, standing for reaction for 10 minutes to obtain phase-change energy-storage aggregates, dispersing the aggregates by a splitting machine, and then preparing phase-change small particles with the particle size of 1 mm in a granulator with the power of 0.25 kilowatt and the forward and reverse rotation number of 46 r/min and the length of 186 mm;
(5) Adding 8 kg of small particles into 1 kg of black isocyanate, uniformly mixing, and forming a layer of isocyanate coating on the surfaces of the small particles;
(6) Adding the material obtained in the step (5) into 1 kg of white polyether polyol, stirring and mixing, rapidly pouring into a mould, and naturally puffing and reacting in the mould for 10 minutes for shaping to obtain the solar phase-change energy storage temperature control plate;
(7) Testing, namely taking 1 gram of the solar energy storage temperature control plate, and testing in a differential thermal analysis instrument, wherein the phase transition temperature is 30 ℃, and the enthalpy value is 936.2J/g.
Example 2
A preparation method of a solar phase-change energy-storage temperature control plate comprises the following steps:
(1) Weighing 28 kg of phosphogypsum, 27 kg of electrolytic manganese slag, 58 kg of red mud, 0.8 kg of sodium chloride, 89 kg of magnesium chloride, 7 kg of sodium metabisulfite, 10 kg of black material and 10 kg of white material for later use;
(2) Grinding phosphogypsum, electrolytic manganese slag and red mud to 200 meshes to obtain mixed powder;
(3) Dissolving sodium chloride, magnesium chloride and sodium metabisulfite in 100 kg of water at 60 ℃ to prepare a mixed aqueous solution;
(4) Putting all the mixed aqueous solution into the mixed powder, uniformly stirring, standing and reacting for 10 minutes to obtain phase-change energy-storage aggregates, dispersing the aggregates by using cutting equipment, and preparing phase-change small particles with the particle size of 1 mm in a granulator with the power of 0.25 kilowatt, the forward and reverse revolution of the cylinder of 46 revolutions per minute and the length of the cylinder of 186 mm;
(5) Adding the small particles into black isocyanate, uniformly mixing, and forming a layer of isocyanate coating on the surfaces of the small particles;
(6) Adding the material obtained in the step (5) into white polyether polyol, stirring and mixing, rapidly pouring into a mould, and naturally puffing and reacting in the mould for 10 minutes to obtain the solar phase-change energy storage temperature control plate;
(7) Testing, namely taking 1 gram of the solar energy storage temperature control plate, and heating from-50 ℃ to 50 ℃ in a differential thermal analysis instrument at a heating rate of 5 ℃/min to obtain the phase change temperature of 30 ℃ and the enthalpy value of 936.2J/g.
Example 3
A preparation method of a solar phase-change energy-storage temperature control plate comprises the following steps:
(1) Weighing 28 kg of phosphogypsum, 33 kg of electrolytic manganese slag, 58 kg of red mud, 1.2 kg of sodium chloride, 89 kg of magnesium chloride, 11 kg of sodium metabisulfite, 10 kg of black material and 15 kg of white material;
(2) Grinding phosphogypsum, electrolytic manganese slag and red mud to 200 meshes to obtain mixed powder;
(3) Dissolving sodium chloride, magnesium chloride and sodium metabisulfite in 100 kg of water at 60 ℃ to prepare a mixed aqueous solution;
(4) Adding mixed powder with the weight percentage concentration of 50% into the mixed aqueous solution, uniformly mixing, standing for reaction for 10 minutes to obtain phase-change energy-storage aggregates, dispersing the aggregates by using cutting equipment, and preparing phase-change small particles with the particle size of 1 mm in a granulator with the power of 0.25 kilowatt and the forward and reverse rotation number of 46 r/min and the length of 186 mm;
(5) Adding the small particles into black isocyanate, uniformly mixing, and forming a layer of isocyanate coating on the surfaces of the small particles;
(6) And (3) rapidly adding the material obtained in the step (5) into the white polyether polyol, stirring and mixing, rapidly pouring into a mould, and naturally puffing and reacting in the mould for 10 minutes to obtain the solar phase-change energy storage temperature control plate.
Example 4
A preparation method of a solar phase-change energy-storage temperature control plate comprises the following steps:
(1) Weighing 30 kg of phosphogypsum, 30 kg of electrolytic manganese slag, 60 kg of red mud, 1 kg of sodium chloride, 90 kg of magnesium chloride, 9 kg of sodium metabisulfite, 12.5 kg of black material and 12.5 kg of white material;
(2) Grinding phosphogypsum, electrolytic manganese slag and red mud to 200 meshes to obtain mixed powder;
(3) Dissolving sodium chloride, magnesium chloride and sodium metabisulfite in 100 kg of water at 60 ℃ to prepare a mixed aqueous solution;
(4) Adding 55 weight percent of mixed powder into the mixed aqueous solution, uniformly stirring, standing for reaction for 10 minutes to obtain phase-change energy-storage aggregates, dispersing the aggregates by using cutting equipment, and preparing phase-change small particles with the particle size of 1 millimeter in a granulator with the power of 0.25 kilowatt and the forward and reverse rotation number of 46 revolutions per minute and the length of 186 millimeters;
(5) Adding the small particles into black isocyanate, uniformly mixing, and forming a layer of isocyanate coating on the surfaces of the small particles;
(6) And (3) rapidly adding the material obtained in the step (5) into the white polyether polyol, stirring and mixing, rapidly pouring into a mould, and naturally puffing and reacting in the mould for 10 minutes to obtain the solar phase-change energy storage temperature control plate.
Example 4
A preparation method of a solar phase-change energy-storage temperature control plate comprises the following steps:
(1) Weighing 32 kg of phosphogypsum, 27 kg of electrolytic manganese slag, 62 kg of red mud, 0.8 kg of sodium chloride, 91 kg of magnesium chloride, 7 kg of sodium metabisulfite, 15 kg of black material and 10 kg of white material;
(2) Grinding phosphogypsum, electrolytic manganese slag and red mud to 200 meshes to obtain mixed powder;
(3) Dissolving sodium chloride, magnesium chloride and sodium metabisulfite in 100 kg of water at 60 ℃ to prepare a mixed aqueous solution;
(4) Adding mixed powder with the weight percentage concentration of 60% into the mixed aqueous solution, uniformly mixing, standing for reaction for 10 minutes to obtain phase-change energy-storage aggregates, dispersing the aggregates by using cutting equipment, and preparing phase-change small particles with the particle size of 1 mm in a granulator with the power of 0.25 kilowatt and the forward and reverse rotation number of 46 r/min and the length of 186 mm;
(5) Adding the small particles into black isocyanate, uniformly mixing, and forming a layer of isocyanate coating on the surfaces of the small particles;
(6) And (3) rapidly adding the material obtained in the step (5) into the white polyether polyol, stirring and mixing, rapidly pouring into a mould, and naturally puffing and reacting in the mould for 10 minutes to obtain the solar phase-change energy storage temperature control plate.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and any simple modification, equivalent variation and variation of the above embodiment according to the technical matter of the present invention still fall within the scope of the technical scheme of the present invention.
Claims (2)
1. The solar phase-change energy-storage temperature control plate comprises the following raw materials in parts by weight:
28-32 parts of phosphogypsum, 27-33 parts of electrolytic manganese slag, 58-62 parts of red mud, 0.8-1.2 parts of sodium chloride, 89-91 parts of magnesium chloride, 7-11 parts of sodium metabisulfite, 10-15 parts of black material and 10-15 parts of white material;
the black material is isocyanate, and the white material is polyether polyol;
a preparation method of a solar phase-change energy-storage temperature control plate comprises the following steps:
(1) 28-32 parts of phosphogypsum, 27-33 parts of electrolytic manganese slag, 58-62 parts of red mud, 0.8-1.2 parts of sodium chloride, 89-91 parts of magnesium chloride, 7-11 parts of sodium metabisulfite, 10-15 parts of black material and 10-15 parts of white material;
(2) Grinding phosphogypsum, electrolytic manganese slag and red mud to 200 meshes to obtain mixed powder;
(3) Dissolving sodium chloride, magnesium chloride and sodium metabisulfite in 100 parts of water at 60 ℃ to prepare a mixed aqueous solution;
(4) Adding 50-60% of mixed powder into the mixed aqueous solution, uniformly stirring, standing for reaction for 10 minutes to obtain phase-change energy-storage aggregates, dispersing the aggregates by using cutting equipment, and preparing phase-change small particles with the particle size of 1 mm in a granulator with the power of 0.25 kilowatt and the forward and reverse rotation number of 46 r/min and the length of 186 mm;
(5) Adding the small particles into black isocyanate, uniformly mixing, and forming a layer of isocyanate coating on the surfaces of the small particles;
(6) And (3) adding the material obtained in the step (5) into the white polyether polyol, stirring and mixing, rapidly pouring into a mould, and naturally puffing and reacting in the mould for 10 minutes to obtain the solar phase-change energy storage temperature control plate.
2. The solar phase-change energy-storage temperature-control plate as claimed in claim 1, which is used for heat preservation of inner and outer walls of civil buildings.
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| CN202110426151.3A CN112979264B (en) | 2021-04-20 | 2021-04-20 | Solar phase-change energy-storage temperature control plate and preparation method and application thereof |
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| CN202110426151.3A CN112979264B (en) | 2021-04-20 | 2021-04-20 | Solar phase-change energy-storage temperature control plate and preparation method and application thereof |
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| CN114044661B (en) * | 2021-12-03 | 2023-06-20 | 贵州国锐鑫节能科技有限公司 | Solar heat-absorbing and heat-releasing phosphogypsum insulation board and preparation method thereof |
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| GB2466391B (en) * | 2009-10-15 | 2010-10-20 | Michael Trevor Berry | Phase change materials with improved fire-retardant properties |
| US8070876B1 (en) * | 2011-05-05 | 2011-12-06 | Haihong Jiang | Fireproof insulating cementitious foam comprising phase change materials |
| CN102633527B (en) * | 2012-04-28 | 2014-02-19 | 武汉理工大学 | Building insulated wall body material and preparation method thereof |
| CN103772635B (en) * | 2012-10-23 | 2016-01-06 | 中国石油化工股份有限公司 | A kind of preparation method of marine oil and gas transport pipe lagging material |
| CN105154015B (en) * | 2015-07-14 | 2018-06-08 | 贵州华益能环保科技有限公司 | A kind of method that phase-change accumulation energy temperature control powder is prepared using red mud |
| CN105016703B (en) * | 2015-07-14 | 2017-03-08 | 贵州华益能环保科技有限公司 | A kind of energy storage slag warming plate and preparation method thereof |
| CN108373279B (en) * | 2018-03-09 | 2021-07-09 | 杜世永 | Waste residue composite phase-change material non-fired lightweight aggregate and preparation method thereof |
| CN111434746A (en) * | 2019-01-14 | 2020-07-21 | 中关村人居环境工程与材料研究院 | Phase-change energy storage material filled with phosphogypsum, phase-change energy storage plate and preparation method thereof |
| CN110423085B (en) * | 2019-09-11 | 2020-08-04 | 北京科技大学 | Anti-cracking water-stabilizing layer material for electrolytic manganese slag-containing road and preparation method thereof |
| CN110669475B (en) * | 2019-09-12 | 2022-02-22 | 山东安冷新材料科技有限公司 | Solid-solid phase change material and preparation method thereof |
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