CN107954671A - A kind of raw material for preparing phase-changing and temperature-regulating diatom plate and phase-changing and temperature-regulating diatom plate and preparation method thereof - Google Patents

A kind of raw material for preparing phase-changing and temperature-regulating diatom plate and phase-changing and temperature-regulating diatom plate and preparation method thereof Download PDF

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CN107954671A
CN107954671A CN201711193330.7A CN201711193330A CN107954671A CN 107954671 A CN107954671 A CN 107954671A CN 201711193330 A CN201711193330 A CN 201711193330A CN 107954671 A CN107954671 A CN 107954671A
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slurry
phase
diatomite
temperature
regulating
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胡建农
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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
    • C04B28/02—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 hydraulic cements other than calcium sulfates
    • C04B28/10—Lime cements or magnesium oxide cements
    • C04B28/12—Hydraulic lime
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
    • C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
    • E04C2/521—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling
    • E04C2/525—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling for heating or cooling
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
    • E04C2/526—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits with adaptations not otherwise provided for, for connecting, transport; for making impervious or hermetic, e.g. sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Civil Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Development (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The present invention provides a kind of raw material for preparing phase-changing and temperature-regulating diatom plate and phase-changing and temperature-regulating diatom plate and preparation method thereof, raw material includes the first slurry, the second slurry and the binding agent independently dispensed；First slurry contains：Diatomite phase change composite material, calcareous material, filler and water；Second slurry contains：Diatomite, calcareous material, activated magnesia, filler and water；Liquid-solid ratio independently is (3~4) in first slurry and the second slurry:1.In the present invention, the organic phase change material is immersed in the hole of modified diatomite, realizes the load to organic phase change material, it is ensured that phase-change material and diatomaceous stable bond, effectively prevent the leakage of phase-change material；Contain diatomite at the same time in first slurry and the second slurry, the two adaptability is preferable, and phase-changing and temperature-regulating diatom plate can be formed using adhesive bonding between Rotating fields, without encapsulation of the dedicated packaging container to phase-changing and temperature-regulating material, it still is able to avoid the leakage of phase-change material.

Description

A kind of raw material for preparing phase-changing and temperature-regulating diatom plate and phase-changing and temperature-regulating diatom plate and its preparation Method
Technical field
The invention belongs to phase-change material technical field, more particularly to a kind of raw material for preparing phase-changing and temperature-regulating diatom plate and phase transformation Temperature adjustment diatom plate and preparation method thereof.
Background technology
With the fast development of social economy, energy problem is increasingly becoming the key factor for restricting social development.Study table Bright, energy for building accounts for the 20%~40% of primary energy consumption, and 45% is even as high as in some developed regions.Therefore building energy conservation It is the following important channel for solving global energy predicament.
Phase-change material as a kind of efficient ergastic substances, can both lift construction material function, reduce building energy consumption and Building Indoor Environment comfort level is adjusted, and available thermal energy can be stored in the form of latent heat of phase change, so as to fulfill Using the storage and conversion of thermal energy, therefore there is good development prospect in building energy conservation.
Common solid-liquid phase change material has paraffin, alkane, aliphatic acid or alcohols etc..In engineer application, solid-liquid phase change material Material has generally required a kind of carrier and has accommodated or encapsulation parcel, make its because environment temperature rise liquid phase is changed into by solid phase when, liquid Do not leak or ooze out, on the contrary because environment temperature reduce by liquid phase be solid phase when have its volumetric expansion of space or contraction, Make material indeformable or rupture.The phase change composite material of this encapsulation parcel is referred to as shaping phase-change material, shaping phase-change material Generally mainly formed by phase-change material and backing material are compound.
But existing figuration composite phase-changing material stability is poor, the application applicability in construction material is poor.To understand The certainly practical problem of phase change composite material, is applied to building field in the form of plate by phase-change material and has proved to be a kind of Effective way.For example, phase change heat-storage thermoregulation polymerization wooden plate disclosed in Chinese patent CN200610083761.3 is by microcapsules Wrap up the phase-change material of processing and lignocellulose material is kneaded with thermoplastic, polymeric materials, hot pressing forms.But use such as The floor board of this phase-change material, phase-change material easily trigger phase-change material to leak or volatilize to space generally outside The problem of.
And phase-changing energy-storing energy saving temperature adjusting floor is to utilize moulding material system disclosed in Chinese patent CN201110058182.4 It is made into there is certain thickness writing board shape container to be sealed after then phase-changing energy storage material is poured into.Chinese patent CN201210543217.8 discloses constructional phase change energy storage plate and its manufacture method, its phase-change energy storage plate for building is by upper cover Plate, lower plate and phase-change material composition.Outside though these above-mentioned function plate phase-change materials are not exposed to, it is substantially container envelope Dress, phase-change material and container or separated two-phase, complex process, using being subject to a definite limitation.
The content of the invention
In view of this, it is an object of the invention to provide a kind of raw material and phase-changing and temperature-regulating silicon for preparing phase-changing and temperature-regulating diatom plate Algae plate and preparation method thereof.Phase-changing and temperature-regulating diatom plate is prepared using phase-changing and temperature-regulating Diatom Assemblagess thing provided by the invention need not Using encapsulation of the dedicated packaging container to phase-changing and temperature-regulating material, it still is able to avoid the leakage of phase-change material.
In order to realize foregoing invention purpose, the present invention provides following technical scheme：
Prepare the raw material of phase-changing and temperature-regulating diatom plate the present invention provides a kind of, including independently dispense the first slurry, second Slurry and binding agent；
First slurry contains：Diatomite phase change composite material, calcareous material, filler and water, the diatomite phase transformation Composite material includes organic phase change material and loads the modified diatomite of the organic phase change material, and the modified diatomite is table Face is bonded with the diatomite of amino；
Second slurry contains：Diatomite, calcareous material, activated magnesia, filler and water；First slurry and Liquid-solid ratio independently is (3~4) in two slurries:1.
Preferably, in first slurry diatomite phase change composite material, calcareous material and filler mass ratio for (30~ 50)：(30~40)：(10~15)；
Diatomite in second slurry, calcareous material, the mass ratio of activated magnesia and filler are (25~35)：(25 ~40)：(15~20)：(10~15).
Preferably, the organic phase change material is n-butyl stearate and the compound or paraffin of methyl stearate.
Preferably, the calcareous material in first slurry includes white lime；Calcareous material bag in second slurry White lime and semi-hydrated gypsum are included, the mass ratio of the white lime and semi-hydrated gypsum is (15~25)：(10~15)；
Filler independently is mineral filler in filler and the second slurry in first slurry；
The dosage of described adhesive is 0.3~1.3% of total solid material mass in first slurry and the second slurry, Described adhesive includes the one or more in polyvinyl alcohol, polyethylene glycol and polyethylene glycol oxide.
Preferably, diatomaceous noncrystalline SiO in modified diatomite and the second slurry in first slurry2Content is independent Ground >=70wt%, diatomaceous granularity is independently≤150 μm in modified diatomite and the second slurry in first slurry.
Preferably, first slurry further includes inorfil and/or thickener, and the inorfil includes wooden fibre Dimension, mineral fibres or wooden-mineral composition fiber；
The thickener includes one kind in hydroxyethyl cellulose, methyl hydroxyethylcellulose and ethylhydroxyethylcellulose It is or a variety of.
Preferably, institute's second slurry further includes inorfil and/or thickener, and the inorfil includes wooden fibre Dimension, mineral fibres or wooden-mineral composition fiber；
The thickener includes one kind in hydroxyethyl cellulose, methyl hydroxyethylcellulose and ethylhydroxyethylcellulose It is or a variety of.
The present invention provides a kind of phase-changing and temperature-regulating diatom plate, including intermediate layer and the surface for being adhered to the intermediate layer both sides Layer, the second sizing material forming in superficial layer phase-changing and temperature-regulating composition as described in above-mentioned technical proposal obtains；The intermediate layer The first sizing material forming obtains in the phase-changing and temperature-regulating composition as described in above-mentioned technical proposal.
Preferably, the number of plies in the intermediate layer is 1~20；The number of plies of single side surface layer is 1 or 2.
Present invention also offers the preparation method of the phase-changing and temperature-regulating diatom plate described in above-mentioned technical proposal, including following step Suddenly：
(1) it is respectively that first slurry and the progress of the second slurry is preforming, obtain phase-changing and temperature-regulating diatom plate intermediate layer And superficial layer；
(2) superficial layer, intermediate layer and superficial layer are sequentially bonded using binding agent, obtains preformed board；
(3) it is steam-cured to the obtained preformed board progress, obtain phase-changing and temperature-regulating diatom plate.
Prepare the raw material of phase-changing and temperature-regulating diatom plate the present invention provides a kind of, including independently dispense the first slurry, second Slurry and binding agent；Wherein, first slurry contains：Diatomite phase change composite material, calcareous material, filler and water, it is described Diatomite phase change composite material includes organic phase change material and loads the modified diatomite of the organic phase change material, the modification Diatomite has the diatomite of amino for surface bond；Second slurry contains：Diatomite, calcareous material, activated magnesia, fill out Material and water；Liquid-solid ratio independently is (3~4) in first slurry and the second slurry:1.
In the present invention, the organic phase change material is immersed in the hole of modified diatomite, is realized to organic phase-change material The load of material, it is ensured that phase-change material and diatomaceous stable bond, effectively prevent the leakage of phase-change material；And diatomite phase Modified diatomite in change composite material, when being combined with calcareous material, filler, can form the skeleton knot of diatom plate Structure；Diatomite in second slurry can also form the skeleton structure of diatom plate；Simultaneously because in the first slurry and the second slurry Contain diatomite at the same time, the adaptability of the two is preferable, when making by the plate Rotating fields that two kinds of slurries are formed using above-mentioned viscous Mixture is bonded, and realizes the protection for the Rotating fields that the Rotating fields that the second slurry is formed form the first slurry, and layer knot Phase-changing and temperature-regulating diatom plate can be formed using adhesive bonding between structure, without dedicated packaging container to phase-changing and temperature-regulating material The encapsulation of material, still is able to avoid the leakage of phase-change material.Embodiment the result shows that, using it is provided by the invention preparation mutually modify tone The stability for the phase-changing and temperature-regulating diatom plate that the diatomaceous raw material of temperature is prepared is high, is played really pair in the diatom plate that top layer is set The encapsulation effect of phase-change material, mass loss rate are no more than 0.5%, the leakage of material without phase-change substantially.
Embodiment
Prepare the raw material of phase-changing and temperature-regulating diatom plate the present invention provides a kind of, including independently dispense the first slurry, second Slurry and binding agent；
First slurry contains：Diatomite phase change composite material, calcareous material, filler and water, the diatomite phase transformation Composite material includes organic phase change material and loads the modified diatomite of the organic phase change material, and the modified diatomite is table Face is bonded with the diatomite of amino；
Second slurry contains：Diatomite, calcareous material, activated magnesia, filler and water；First slurry and Liquid-solid ratio independently is (3~4) in two slurries:1.
In the present invention, the phase-changing and temperature-regulating diatomite composition includes the first slurry, the second slurry and binding agent.At this In invention, described adhesive preferably includes the one or more in polyvinyl alcohol, polyethylene glycol and polyethylene glycol oxide.
In the present invention, first slurry contains diatomite phase change composite material, calcareous material, filler and water.
In the present invention, the diatomite phase change composite material includes organic phase change material and loads the organic phase-change material The modified diatomite of material；The organic phase change material is preferably the 40~45% of the modified diatomite quality, further preferably For 42~43%.In the present invention, the organic phase change material is preferably the compound of n-butyl stearate and methyl stearate Or paraffin；When the organic phase change material is the compound of n-butyl stearate and methyl stearate, the positive fourth of stearic acid The mass ratio of ester and methyl stearate is preferably (1000~1400):(100~400).
In the present invention, the modified diatomite has the diatomite of amino for surface bond.In the present invention, the modification Diatomaceous preparation method preferably includes following steps：After diatomite slurries are mixed with polydimethyl diallyl ammonium chloride according to It is secondary to be filtered and dried, obtain modified diatomite.The diatomite slurries include diatomite and water, the diatomaceous quality Volume ratio with water is preferably 1000g：4000mL；Diatomite and polydimethyl diallyl ammonium chloride in the diatomite slurries Mass ratio be preferably 1000：17.5.In the present invention, the temperature of the filtering is preferably 80 DEG C；The time of the filtering is excellent Elect 2h as；The present invention realizes polydimethyl diallyl ammonium chloride in diatomite surface and duct in the filter process Dipping.
In the present invention, the phase transition temperature of the diatomite phase change composite material is adapted with conventional environment change, phase transformation Latent heat is larger, and phase transition performance is preferable.
In the present invention, the diatomite phase change composite material is preferably by the way that organic phase change material and modified diatomite are mixed The mode of conjunction so that organic phase change material is loaded on amido modified diatomite；Preferably 95 DEG C of the temperature of the mixing, it is described mixed The time of conjunction is preferably 2h.In the present invention, the diatomite phase change composite material will further preferably by way of flowing and starching Organic phase change material is impregnated into the hole of the modified diatomite and obtains, and realizes that modified diatomite bears organic phase change material Carry, avoid the leakage of organic phase change material.
In the present invention, the diatomaceous noncrystalline SiO for being used to prepare diatomite phase change composite material2Content is preferred >=70%, more preferably 75~95%, more preferably 80~90%；The diatomaceous granularity preferably≤150 μm, into one Step preferably≤100 μm.In the present invention, the diatomite for being used to prepare diatomite phase change composite material is preferably diatom original The one or more of soil, the diatomite of dry classification, wet concentration diatomite and calcined diatomite.The present invention to the diatom original soil, The source of the diatomite of dry classification, wet concentration diatomite and calcined diatomite does not have particular/special requirement, using those skilled in the art Known commercial goods.
In the present invention, the phase transition temperature of the diatomite phase change composite material is preferably 20~28 DEG C, further preferably For 22~25 DEG C, more preferably 23.5 DEG C；The latent heat of phase change of the diatomite phase change composite material preferably >=75J/g, further Preferably 80~100J/g.
In the present invention, calcareous material preferably includes white lime in first slurry；The present invention is to the white lime Source does not have particular/special requirement, using commercial goods well-known to those skilled in the art.
In the present invention, filler preferably includes mineral filler in first slurry, further preferably including volcanic ash, stone One or more in English powder and expanded perlite.In the present invention, the mineral filler particle diameter preferably≤150 μm, into one Step is preferably≤100 μm, more preferably≤75 μm.
In the present invention, the mass ratio of diatomite phase change composite material, calcareous material and filler is excellent in first slurry Elect as (30~50)：(30~40)：(10~15), more preferably (35~45)：(32~38)：(11~14), more preferably For 40：35：12.In the present invention, it is (3~4) that liquid, which consolidates mass ratio, in first slurry:1, be preferably (3.2~3.8):1, More preferably 3.5:1.
In the present invention, first slurry preferably further includes inorfil and/or thickener.In the present invention, it is described The mass ratio of inorfil and diatomite phase change composite material is preferably (5~15) in first slurry：(30~50), it is further excellent Elect as (10~15)：(35~45), more preferably (12~13)：(36~42).In the present invention, it is inorganic in first slurry Fiber preferably includes wood fibre, mineral fibres or wooden-mineral composition fiber.When using wooden-mineral composition fiber, this Invention does not have particular/special requirement to wooden in the wooden-mineral composition fiber with mineral contents, is mixed with arbitrary proportion. The present invention does not have particular/special requirement to the source of the wood fibre, mineral fibres and wooden-mineral composition fiber, using this area Commercial goods known to technical staff.
In the present invention, the mineral fibres be preferably it is a kind of in acicular wollastonite, fibrous sepiolite and attapulgite or It is a variety of；The granularity of the mineral fibres preferably≤150 μm, be most preferably 10 more preferably≤100 μm further preferably≤125 μm ~80 μm.
In the present invention, the mass ratio of thickener and diatomite phase change composite material is preferably (0.5 in first slurry ~2)：(30~50), more preferably (1.0~1.5)：(35~45).In the present invention, thickener in first slurry Preferably include the one or more in hydroxyethyl cellulose, methyl hydroxyethylcellulose and ethylhydroxyethylcellulose.
In the present invention, second slurry contains diatomite, calcareous material, activated magnesia, filler and water.In this hair In bright, the diatomaceous noncrystalline SiO2Content preferably >=70wt%, more preferably 75~95%, more preferably 80~ 90%；The diatomaceous granularity preferably≤150 μm, further preferably≤100 μm.In the present invention, the diatomite is preferred For the one or more of diatom original soil, the diatomite of dry classification, wet concentration diatomite and calcined diatomite；The present invention is to the silicon Algae original soil, the diatomite of dry classification, the source of wet concentration diatomite and calcined diatomite do not have particular/special requirement, using this area skill Commercial goods known to art personnel.
In the present invention, calcareous material preferably includes white lime and semi-hydrated gypsum, the white lime in second slurry Mass ratio with semi-hydrated gypsum is preferably (15~25)：(10~15), more preferably (18~22)：(12~15), it is more excellent Elect 20 as:15.
In the present invention, the activated magnesia granularity preferably≤150 μm, further preferably≤100 μm, more preferably ≤50μm.In the present invention, the preparation method of the activated magnesia preferably includes：Magnesite is calcined, obtains activity Magnesia.In the present invention, the temperature of the calcining is preferably less than 750 DEG C, more preferably 600~700 DEG C；It is described to forge The time of burning is preferably 0.5~2h, more preferably 1.0~1.5h.
In the present invention, filler preferably preferably includes mineral filler in second slurry, further preferably including volcano One or more in ash, silica flour and expanded perlite.In the present invention, the mineral filler particle diameter preferably≤150 μm, More preferably≤100 μm, more preferably≤75 μm.
In the present invention, the mass ratio of diatomite in second slurry, calcareous material, activated magnesia and filler is (25~35)：(25~40)：(15~20)：(10~15), more preferably (28~32)：(30~35)：(15~18)： (11~15), more preferably 30：32：16：15.In the present invention, it is preferably (3~4) that liquid, which consolidates mass ratio, in first slurry: 1, more preferably (3.2~3.8):1.
In the present invention, second slurry preferably further includes inorfil and/or thickener.In the present invention, it is described Inorfil and diatomaceous mass ratio are preferably (5~15) in second slurry：(25~35), more preferably (12~ 14)：(28~32), more preferably 13：30.In the present invention, it is fine to preferably include wood fibre, mineral for second inorfil Dimension or wooden-mineral composition fiber.When using wooden-mineral composition fiber, the present invention is to the wooden-mineral composition fiber In it is wooden there is no particular/special requirement with mineral contents, mixed with arbitrary proportion.The present invention is to the wood fibre, mineral The source of fiber and wooden-mineral composition fiber does not have particular/special requirement, using well-known to those skilled in the art.
In the present invention, the mineral fibres in the inorfil is preferably acicular wollastonite, fibrous sepiolite and bumps It is one or more in rod stone；The granularity of the mineral fibres preferably≤150 μm, further preferably≤125 μm, more preferably≤100 μ M, is most preferably 10~80 μm.
In the present invention, second thickener and diatomaceous mass ratio are preferably (0.5~2)：(25~35), into one Step is preferably (1.0~1.5)：(28~32).In the present invention, second thickener includes hydroxyethyl cellulose, methyl hydroxyl One or more in ethyl cellulose and ethylhydroxyethylcellulose.
The present invention provides a kind of phase-changing and temperature-regulating diatom plate, including intermediate layer and the surface for being adhered to the intermediate layer both sides Layer.In the present invention, the number of plies in the intermediate layer is preferably 1~20, more preferably 2~20 layers, more preferably 5~15 Layer, more preferably 8~12 layers；The number of plies of the unilateral superficial layer is preferably 1 or 2；In the present invention, the intermediate layer and surface The thickness of any individual layer is preferably 1~2mm in layer, more preferably 1.2~1.5mm.
In the present invention, the second sizing material forming in superficial layer phase-changing and temperature-regulating composition as described in above-mentioned technical proposal Obtain.In the present invention, the forming method of the superficial layer preferably includes：Second slurry is filtered, obtains second Filter cake；The second obtained filter cake is suppressed, obtains superficial layer.In the present invention, the filtering can remove second Moisture in slurry, obtains the second filter cake.Present invention preferably employs slurry flowing machine to be filtered, and further promotes diatomite phase transformation to answer Dipping of the organic phase change material in diatomite in condensation material, prevents the leakage of organic phase change material.The present invention is to the filtering Embodiment there is no particular/special requirement, using filter type well-known to those skilled in the art.After the filtering, The present invention preferably suppresses the second obtained filter cake, obtains superficial layer；The thickness of the monolayer surface layer is preferably 1 ~2mm, more preferably 1.2~1.5mm.The present invention does not have particular/special requirement to the embodiment of the compacting, uses Compressing mode well-known to those skilled in the art is can obtain the superficial layer of target thickness.
In the present invention, the number of plies of the unilateral superficial layer is preferably 1 or 2.
When the number of plies of the unilateral superficial layer is 2, the present invention is preferably according to the superficial layer described in preceding solution After forming method obtains superficial layer, as monolayer surface layer, repeat the shaping side of the superficial layer described in preceding solution After method prepares another monolayer surface layer, the monolayer surface layer being prepared twice is bonded to obtain phase-changing and temperature-regulating diatom plate In single side surface layer.
When the number of plies of the unilateral superficial layer is 2, the present invention can also preferably prepare superficial layer in accordance with the following methods： (a) second slurry is filtered, obtains the second filter cake；(b) applied on the unilateral top layer of the second obtained filter cake Binding agent is covered, obtains the first bonding filter cake；(c) the described first bonding filter cake is pressed, obtains monolayer surface layer； (d) repeat the step (a) and (b), obtain another bonding filter cake；(e) by the obtained monolayer surface layer with it is another It is bonding by the side coated with binding agent to bond filter cake, obtains the single side surface layer in phase-changing and temperature-regulating diatom plate.
When the number of plies of the unilateral superficial layer is 2, the present invention can also preferably prepare superficial layer in accordance with the following methods： (a) second slurry is filtered, obtains the second filter cake；(b) applied on the unilateral top layer of the second obtained filter cake Binding agent is covered, obtains the first bonding filter cake；(c) repeat the step (a) and (b), obtain another bonding filter cake；(d) will It is described first bonding filter cake with it is another bond filter cake by the side coated with binding agent it is bonding after be pressed, obtain Single side surface layer in phase-changing and temperature-regulating diatom plate.
In the present invention, the first sizing material forming obtains in the phase-changing and temperature-regulating composition as described in above-mentioned technical proposal of the intermediate layer Arrive.In the present invention, the forming method in the intermediate layer preferably includes：First slurry is filtered, obtains the first filter Cake；The first obtained filter cake is suppressed, obtains intermediate layer.In the present invention, the filtering can remove the first slurry Moisture in material, obtains the first filter cake.The present invention does not have particular/special requirement to the embodiment of the filtering, using this area Filter type known to technical staff；In an embodiment of the present invention, the filtering is preferably carried out using slurry flowing machine.Institute After stating filtering, the present invention preferably suppresses the first obtained filter cake, obtains intermediate layer；The thickness of the monolayer surface layer Degree is preferably 1~2mm, more preferably 1.2~1.5mm.The present invention is not special to the embodiment of the compacting It is required that compressing mode well-known to those skilled in the art is used to obtain the intermediate layer of target thickness.
In the present invention, the number of plies in intermediate layer is preferably 1~20, more preferably 2~20 layers.
When the intermediate layer is multilayer, the present invention is preferably according to the forming method in the intermediate layer described in preceding solution After obtaining intermediate layer, as individual layer intermediate layer, the forming method for repeating the intermediate layer described in preceding solution is prepared separately Behind one individual layer intermediate layer, number of repetition is preferably consistent with the number of plies in intermediate layer；To repeat the individual layer intermediate layer that is prepared into Row bonding obtains the intermediate layer of phase-changing and temperature-regulating diatom plate.
When the intermediate layer is multilayer, the present invention can also preferably prepare intermediate layer in accordance with the following methods：(I) by described in First slurry is filtered, and obtains the first filter cake；(II) coated with adhesive on the unilateral top layer of the first obtained filter cake, Obtain the first bonding filter cake；(III) the described first bonding filter cake is pressed, obtains individual layer intermediate layer；(IV) repeat The step (I) and (II) are carried out, obtains another bonding filter cake；(V) the obtained monolayer surface layer and another bonding are filtered Cake by the side coated with binding agent it is bonding after suppressed, it is in 2 layers of phase-changing and temperature-regulating diatom plate to obtain the number of plies Interbed.
When the number of plies in the intermediate layer is more than 2 layers, the monolayer surface layer and another bonding for bonding filter cake are completed simultaneously After compacting, repeat the step (I) and (II) again, obtain another bonding filter cake；By obtained two layers of surface layer and separately After one bonding filter cake is bonded by binding agent, suppressed, circulated with this until obtaining the phase-changing and temperature-regulating diatom plate of the target number of plies Intermediate layer.
In the present invention, be used to prepare temperature adjustment diatom plate the first slurry and the second slurry mass ratio be preferably (75~ 105)：(75~110), more preferably (80~100)：(90~100).
In the present invention, the superficial layer is preferably adhered to by binding agent two layers of the intermediate layer.In the present invention, The binding agent is consistent with binding agent in above-mentioned phase-changing and temperature-regulating Diatom Assemblagess thing, and details are not described herein.
In the present invention, the dosage of described adhesive is preferably first slurry for being used to prepare temperature adjustment diatom plate and the The 0.3~1.3% of total solid material mass in two slurries, more preferably 0.5~1.0%.In the present invention, described first Diatomite, calcareous material, active oxygen in diatomite phase change composite material, calcareous material and filler and the second slurry in slurry It is solid matter to change magnesium and filler；When further including inorfil and thickener in first slurry, also wrapped in the second slurry When including inorfil and thickener, the inorfil in inorfil and thickener and the second slurry in first slurry Solid matter is used as with thickener.In the present invention, described adhesive preferably includes polyvinyl alcohol, polyethylene glycol and polyoxygenated One or more in ethene.
Present invention also offers the preparation method of the phase-changing and temperature-regulating diatom plate described in above-mentioned technical proposal, including following step Suddenly：
(1) it is respectively that first slurry and the progress of the second slurry is preforming, obtain phase-changing and temperature-regulating diatom plate intermediate layer And superficial layer；
(2) superficial layer, intermediate layer and superficial layer are sequentially bonded using binding agent, obtains preformed board；
(3) it is steam-cured to the obtained preformed board progress, obtain phase-changing and temperature-regulating diatom plate.
The present invention is preforming by first slurry progress, obtains phase-changing and temperature-regulating diatom plate intermediate layer.In the present invention, The preforming mode in the intermediate layer is consistent with the molding mode in intermediate layer described in above-mentioned technical proposal, and details are not described herein.
After forming method according to the superficial layer described in preceding solution obtains superficial layer, as monolayer surface layer, weight After the forming method of the superficial layer described in progress preceding solution prepares another monolayer surface layer again, it will be prepared twice Monolayer surface layer bonded to obtain the single side surface layer in phase-changing and temperature-regulating diatom plate.
The present invention is preforming by second slurry progress, obtains phase-changing and temperature-regulating diatom plate superficial layer.In the present invention, The preforming mode of the superficial layer is consistent with the molding mode of superficial layer described in above-mentioned technical proposal, and details are not described herein.
After obtaining the phase-changing and temperature-regulating diatom plate intermediate layer and superficial layer, the present invention uses binding agent by the surface Layer, intermediate layer and superficial layer sequentially bond, and obtain preformed board.The present invention does not have particular/special requirement to the sequentially bonding mode, Using plate bonding mode well-known to those skilled in the art.
After obtaining the preformed board, the present invention is steam-cured to the obtained preformed board progress, obtains phase-changing and temperature-regulating silicon Algae plate.In the present invention, the steam-cured mode preferably includes：The preforming plate is carried out at room temperature dry for the first time It is dry, obtain primary steam-cured plate；The obtained primary steam-cured plate is subjected to steam press maintenance, obtains the steam-cured plate of two level；Will be described To the steam-cured plate of two level carry out second of drying at room temperature, obtain phase-changing and temperature-regulating diatom plate.In the present invention, the primary steaming Support moisture content≤20% of plate；The present invention does not have particular/special requirement to the time of first time drying, aqueous can obtain target Subject to the primary steam-cured plate of rate.In the present invention, the temperature of the steam press maintenance is preferably 150~200 DEG C, more preferably 160~180 DEG C, more preferably 175 DEG C；The time of the steam press maintenance is preferably 8~12h, more preferably 9~11h, more Preferably 10h；The pressure of the steam press maintenance is preferably 1.0~1.5MPa, more preferably 1.2~1.4MPa.Complete institute After stating steam press maintenance, the present invention preferably carries out second of drying at room temperature to the steam-cured plate of obtained two level, obtains phase transformation Temperature adjustment diatom plate.In the present invention, the phase-changing and temperature-regulating diatom plate moisture content preferably≤15%, more preferably 5~ 10%；The present invention does not have particular/special requirement to second of the dry time, can obtain the phase-changing and temperature-regulating silicon of target moisture content Algae plate.
Present invention also offers the preparation method of the phase-changing and temperature-regulating diatom plate described in above-mentioned technical proposal, preferably include following Step：
(1) first slurry and the second slurry are filtered respectively, obtains the first filter cake and the second filter cake；
(2) second filter cake, the first filter cake and the second filter cake are sequentially bonded using binding agent and suppressed, obtained preforming Plate；
(3) it is steam-cured to the obtained preformed board progress, obtain phase-changing and temperature-regulating diatom plate.
The present invention to the superficial layer described in the mode and preceding solution of first slurry and the second slurries filtration and The filter type of the first slurry and the second slurry is consistent in the preparation process of intermediate layer, and details are not described herein.
After obtaining the first filter cake and the second filter cake, the present invention is using binding agent by second filter cake, the first filter cake and the Two filter cakes sequentially bond compacting, obtain preformed board.In the present invention, the mode of the bonding compacting is preferably in the second filter cake Suppressed for the first time after the coated with adhesive of side, obtain pre- top layer；By the first filter cake side coated with adhesive, the first bonding is obtained Filter cake；Suppress and obtain after the obtained pre- top layer is contacted with the first bonding filter cake by one layer coated with binding agent, in advance Intermediate layer；In another second filter cake side coated with adhesive, filter cake is bonded to second；By the obtained pre- intermediate layer and second Bonding filter cake is suppressed after being bonded by the binding agent of coating, obtains preform.The present invention is to the compacting and binding agent The mode of coating does not have particular/special requirement, is using filter cake well-known to those skilled in the art compacting and adhesive coated mode Can.
When the single side surface layer in the phase-changing and temperature-regulating diatom plate is 2 layers, the present invention will preferably be bonded in integral two A second filter cake is as the second filter cake of first compacting；When intermediate layer is 2~20 layers in the phase-changing and temperature-regulating diatom plate, this hair It is bright to be preferably bonded in 2~20 integral the first filter cakes as the first bonding filter cake bonded with the first bonding filter cake.
With reference to embodiment to phase-changing and temperature-regulating Diatom Assemblagess thing provided by the invention and phase-changing and temperature-regulating diatom plate and its system Preparation Method is described in detail, but they cannot be interpreted as limiting the scope of the present invention.
The particle diameter of granular material is respectively less than 150 μm used by following embodiments, and activated magnesia manufacturer is the Liao Dynasty Peaceful Anshan Haicheng City Hong Xing mining industry Co., Ltd.
The preparation of diatomite phase change composite material I：
Dring silicon diatomaceous earth 1000g is taken, 3h is roasted at 350 DEG C in Muffle furnace；After being cooled to room temperature plus water 4000mL is can After being slurried in temperature control retort, 17.5g polydimethyl diallyl ammonium chloride (PDMDAAC) is added, is stirred at 80 DEG C Filtering, the drying at 105 DEG C, obtain the diatomite of duct and surface modification after reaction 2h；Diatomite after this is modified with 1500g organic phase-changes compound (1400g n-butyl stearate+100g methyl stearates) is placed in controllable temperature retort, 95 Stirring reaction 2h, that is, obtain diatomite phase change composite material I at DEG C.
The preparation of diatomite phase change composite material II：
Dring silicon diatomaceous earth 1000g is taken, 3h is roasted at 350 DEG C in Muffle furnace；After being cooled to room temperature plus water 4000mL is can After being slurried in temperature control retort, 17.5g polydimethyl diallyl ammonium chloride (PDMDAAC) is added, is stirred at 80 DEG C Filtering, the drying at 105 DEG C, obtain the diatomite of duct and surface modification after reaction 2h；Diatomite after this is modified with 1500g organic phase change material paraffin is placed in controllable temperature retort, and stirring reaction 2h, that is, obtain diatomite phase transformation and answer at 95 DEG C Condensation material II.
Embodiment 1
Diatomite phase change composite material 45kg, white lime are weighed by the dosage requirement of each component in the first slurry in table 1 40kg, volcanic ash 5kg, expanded perlite 5kg, wood fibre 5kg, methyl hydroxyethylcellulose 1kg, water 300kg add stirring Carry out disperseing to size mixing in machine, obtain the first slurry；The silicon of dry classification is weighed by the dosage requirement of each component in the second slurry in table 2 Diatomaceous earth 25kg, white lime 20kg, activated magnesia 15kg, semi-hydrated gypsum 15kg, volcanic ash 5kg, silica flour 10kg, wood fibre 5kg, acicular wollastonite 5kg, hydroxyethyl cellulose 1kg, water 380kg, which is added in mixer, to carry out disperseing to size mixing, and obtains the second slurry；
The second uniformly mixed slurry is filtered to form filter cake through slurry flowing machine, and the filter cake by slurry flowing machine convey to rotating cylinder into Type machine, in the uniform sprayed adhesive polyvinyl alcohol in its surface before filter cake arrives at rotating cylinder forming machine, spray flux is spray filter cake The 1.0% of solid masses；Second slurry filter cake of the uniform sprayed adhesive in surface is rolled onto on rotating cylinder by rotating cylinder forming machine；Volume 2 After layer, slurry flowing machine changes the first slurry into automatically, and the first slurry filters to form filter cake through slurry flowing machine, and the filter cake is conveyed by slurry flowing machine To rotating cylinder forming machine, on its surface, uniformly spray is the viscous of cake solids quality 0.5% before filter cake arrives at rotating cylinder forming machine Mixture polyvinyl alcohol, the first slurry is continuously after 8 layers of volume, and slurry flowing machine changes the second slurry into automatically again, and the second slurry is through slurry flowing machine mistake Filter forms filter cake, and the filter cake is conveyed to rotating cylinder forming machine by slurry flowing machine, on its surface before filter cake arrives at rotating cylinder forming machine Uniform sprayed adhesive polyvinyl alcohol, spray flux are the 1.0% of spray cake solids quality, and the second slurry is completed whole after rolling up 2 layers Open the winding of lamination diatom plate；
Rotating cylinder forming machine is discharged into vacuum, the diatom plate of winding is removed from rotating cylinder forming machine, after cutting arranges, is obtained Phase-changing and temperature-regulating functional shaping plate；
Phase-changing and temperature-regulating functional shaping plate is dried at room temperature for after 24h again to steam pressure is supported under 180 DEG C, 1.0MPa pressure conditions Protect 10h；
Diatom plate after steam press maintenance is dried, cutting is organized into the diatomite plate with phase-changing and temperature-regulating.
Embodiment 2：
Diatomite phase change composite material 35kg, white lime are weighed by the dosage requirement of each component in the first slurry in table 1 40kg, volcanic ash 10kg, expanded perlite 5kg, wood fibre 10kg, hydroxyethyl cellulose 1.2kg, water 350kg add stirring Carry out disperseing to size mixing in machine, obtain the first slurry；Second slurry is the same as embodiment 1；
The second uniformly mixed slurry is filtered to form filter cake through slurry flowing machine, and the filter cake by slurry flowing machine convey to rotating cylinder into Type machine, in the uniform sprayed adhesive polyethylene glycol in its surface before filter cake arrives at rotating cylinder forming machine, spray flux is spray filter cake The 1.0% of solid masses；Second slurry filter cake of the uniform sprayed adhesive in surface is rolled onto on rotating cylinder by rotating cylinder forming machine；Volume 2 After layer, slurry flowing machine changes the first slurry into automatically, and the first slurry filters to form filter cake through slurry flowing machine, and the filter cake is conveyed by slurry flowing machine To rotating cylinder forming machine, on its surface, uniformly spray is the viscous of cake solids quality 0.5% before filter cake arrives at rotating cylinder forming machine Mixture polyvinyl alcohol, continuously after 10 layers of volume, then change the second slurry into automatically, the second slurry filters to be formed the first slurry through slurry flowing machine Filter cake, and the filter cake is conveyed to rotating cylinder forming machine by slurry flowing machine, is uniformly sprayed on its surface before filter cake arrives at rotating cylinder forming machine Adhesive polyethylene alcohol is drenched, spray flux is the 1.0% of spray cake solids quality, and the second slurry completes whole lamination after rolling up 2 layers The winding of diatom plate；
Rotating cylinder forming machine is discharged into vacuum, the diatom plate of winding is removed from rotating cylinder forming machine, after cutting arranges, is obtained Phase-changing and temperature-regulating functional shaping plate；
Phase-changing and temperature-regulating functional shaping plate is dried at room temperature for after 24h again to steam pressure is supported under 190 DEG C, 1.2MPa pressure conditions Protect 8h；
Remaining is the same as embodiment 1.
Embodiment 3：
Composite diatomite phase-change material 40kg, white lime are weighed by the dosage requirement of each component in the first slurry in table 1 35kg, expanded perlite 10kg, volcanic ash 5kg, wood fibre 10kg, ethylhydroxyethylcellulose 1.5kg, water 400kg are added Carry out disperseing to size mixing in mixer, obtain the first slurry；Second slurry is the same as embodiment 1；
The second uniformly mixed slurry is filtered to form filter cake through slurry flowing machine, and the filter cake by slurry flowing machine convey to rotating cylinder into Type machine, is filtered before filter cake arrives at rotating cylinder forming machine in the uniform sprayed adhesive polyethylene glycol oxide in its surface, spray flux for spray The 0.6% of cake solid masses；Second slurry filter cake of the uniform sprayed adhesive in surface is rolled onto on rotating cylinder by rotating cylinder forming machine；Volume After 2 layers, slurry flowing machine changes the first slurry into automatically, and the first slurry filters to form filter cake through slurry flowing machine, and the filter cake is defeated by slurry flowing machine Rotating cylinder forming machine is sent to, uniformly spray is cake solids quality 0.3% on its surface before filter cake arrives at rotating cylinder forming machine Adhesive polyethylene alcohol, for the first slurry continuously after 12 layers of volume, then change the second slurry into automatically, the second slurry filters shape through slurry flowing machine Into filter cake, and the filter cake is conveyed to rotating cylinder forming machine by slurry flowing machine, uniform on its surface before filter cake arrives at rotating cylinder forming machine Sprayed adhesive polyvinyl alcohol, spray flux are the 0.6% of spray cake solids quality, and the second slurry is completed whole and folded after rolling up 2 layers The winding of layer diatom plate；
Rotating cylinder forming machine is discharged into vacuum, the diatom plate of winding is removed from rotating cylinder forming machine, after cutting arranges, is obtained Phase-changing and temperature-regulating functional shaping plate；
Phase-changing and temperature-regulating functional shaping plate is dried at room temperature for after 24h again to steam pressure is supported under 170 DEG C, 0.9MPa pressure conditions Protect 12h；
Remaining is the same as embodiment 1.
Embodiment 4：
Diatomite phase change composite material 40kg, white lime are weighed by the dosage requirement of each component in the first slurry in table 1 35kg, volcanic ash 8kg, silica flour 7kg, wood fibre 10kg, hydroxyethyl cellulose 0.7kg, water 340kg add mixer in into Row is scattered to size mixing, and obtains the first slurry；Wet concentration diatomite 30kg, ripe is weighed by the dosage requirement of each component in the second slurry in table 2 Lime 16kg, activated magnesia 20kg, semi-hydrated gypsum 10kg, volcanic ash 5kg, silica flour 7kg, wood fibre 7kg, needle-shaped silicon ash Stone 5kg, hydroxyethyl cellulose 1kg, water 380kg, which is added in mixer, to carry out disperseing to size mixing, and obtains the second slurry；
The second uniformly mixed slurry is filtered to form filter cake through slurry flowing machine, and the filter cake by slurry flowing machine convey to rotating cylinder into Type machine, in the uniform sprayed adhesive polyvinyl alcohol in its surface before filter cake arrives at rotating cylinder forming machine, spray flux is spray filter cake The 1.2% of solid masses；Second slurry filter cake of the uniform sprayed adhesive in surface is rolled onto on rotating cylinder by rotating cylinder forming machine；Volume 2 After layer, slurry flowing machine changes the first slurry into automatically, and the first slurry filters to form filter cake through slurry flowing machine, and the filter cake is conveyed by slurry flowing machine To rotating cylinder forming machine, on its surface, uniformly spray is the viscous of cake solids quality 0.6% before filter cake arrives at rotating cylinder forming machine Mixture polyvinyl alcohol, continuously after 14 layers of volume, then change the second slurry into automatically, the second slurry filters to be formed the first slurry through slurry flowing machine Filter cake, and the filter cake is conveyed to rotating cylinder forming machine by slurry flowing machine, is uniformly sprayed on its surface before filter cake arrives at rotating cylinder forming machine Adhesive polyethylene alcohol is drenched, spray flux is the 1.2% of spray cake solids quality, and the second slurry completes whole lamination after rolling up 2 layers The winding of diatom plate；
Rotating cylinder forming machine is discharged into vacuum, the diatom plate of winding is removed from rotating cylinder forming machine, after cutting arranges, is obtained Phase-changing and temperature-regulating functional shaping plate；
Phase-changing and temperature-regulating functional shaping plate is dried at room temperature for after 24h again to steam pressure is supported under 190 DEG C, 1.2MPa pressure conditions Protect 9h；
Remaining is the same as embodiment 1.
Embodiment 5：
Diatomite phase change composite material 46kg, white lime are weighed by the dosage requirement of each component in the first slurry in table 1 36kg, expanded perlite 6kg, silica flour 5kg, wood fibre 7kg, methyl hydroxyethylcellulose 1kg, water 360kg add stirring Carry out disperseing to size mixing in machine, obtain the first slurry；Second slurry is the same as embodiment 4；
The second uniformly mixed slurry is filtered to form filter cake through slurry flowing machine, and the filter cake by slurry flowing machine convey to rotating cylinder into Type machine, in the uniform sprayed adhesive polyethylene glycol in its surface before filter cake arrives at rotating cylinder forming machine, spray flux is spray filter cake The 0.8% of solid masses；Second slurry filter cake of the uniform sprayed adhesive in surface is rolled onto on rotating cylinder by rotating cylinder forming machine；Volume 2 After layer, slurry flowing machine changes the first slurry into automatically, and the first slurry filters to form filter cake through slurry flowing machine, and the filter cake is conveyed by slurry flowing machine To rotating cylinder forming machine, on its surface, uniformly spray is the viscous of cake solids quality 0.4% before filter cake arrives at rotating cylinder forming machine Mixture polyvinyl alcohol, continuously after 16 layers of volume, then change the second slurry into automatically, the second slurry filters to be formed the first slurry through slurry flowing machine Filter cake, and the filter cake is conveyed to rotating cylinder forming machine by slurry flowing machine, is uniformly sprayed on its surface before filter cake arrives at rotating cylinder forming machine Adhesive polyethylene alcohol is drenched, spray flux is the 0.8% of spray cake solids quality, and the second slurry completes whole lamination after rolling up 2 layers The winding of diatom plate；
Rotating cylinder forming machine is discharged into vacuum, the diatom plate of winding is removed from rotating cylinder forming machine, after cutting arranges, is obtained Phase-changing and temperature-regulating functional shaping plate；
Phase-changing and temperature-regulating functional shaping plate is dried at room temperature for after 24h again to steam pressure is supported under 190 DEG C, 1.2MPa pressure conditions Protect 9h；
Remaining is the same as embodiment 1.
Embodiment 6
Diatomite phase change composite material 40kg, white lime are weighed by the dosage requirement of each component in the first slurry in table 1 35kg, volcanic ash 5kg, expanded perlite 5kg, silica flour 5kg, wood fibre 10kg, hydroxyethyl cellulose 1.0kg, water 400kg Add in mixer and carry out disperseing to size mixing, obtain the first slurry；Second slurry is the same as embodiment 4；
The second uniformly mixed slurry is filtered to form filter cake through slurry flowing machine, and the filter cake by slurry flowing machine convey to rotating cylinder into Type machine, in the uniform sprayed adhesive polyvinyl alcohol in its surface before filter cake arrives at rotating cylinder forming machine, spray flux is spray filter cake The 0.8% of solid masses；Second slurry filter cake of the uniform sprayed adhesive in surface is rolled onto on rotating cylinder by rotating cylinder forming machine；Volume 2 After layer, slurry flowing machine changes the first slurry into automatically, and the first slurry filters to form filter cake through slurry flowing machine, and the filter cake is conveyed by slurry flowing machine To rotating cylinder forming machine, on its surface, uniformly spray is the viscous of cake solids quality 0.4% before filter cake arrives at rotating cylinder forming machine Mixture polyvinyl alcohol, after the first slurry continuously rolls up 18 layers, then changes the second slurry into automatically,
Second slurry filters to form filter cake through slurry flowing machine, and the filter cake is conveyed to rotating cylinder forming machine, in filter cake by slurry flowing machine Arrive at before rotating cylinder forming machine in the uniform sprayed adhesive polyvinyl alcohol in its surface, spray flux is spray cake solids quality 0.8%, the second slurry rolls up the winding that whole lamination diatom plate is completed after 2 layers；
Rotating cylinder forming machine is discharged into vacuum, the diatom plate of winding is removed from rotating cylinder forming machine, after cutting arranges, is obtained Phase-changing and temperature-regulating functional shaping plate；
Phase-changing and temperature-regulating functional shaping plate is dried at room temperature for after 24h again to steam pressure is supported under 180 DEG C, 1.0MPa pressure conditions Protect 10h；
Remaining is the same as embodiment 1.
Embodiment 7
According to the dosage requirement in Tables 1 and 2, the first slurry and the second slurry are prepared according to the method for embodiment；Remaining With embodiment 1.
Embodiment 8
According to the dosage requirement in Tables 1 and 2, the first slurry and the second slurry are prepared according to the method for embodiment；Remaining With embodiment 1.
Embodiment 9
According to the dosage requirement in Tables 1 and 2, the first slurry and the second slurry are prepared according to the method for embodiment；Remaining With embodiment 1.
Embodiment 10
According to the dosage requirement in Tables 1 and 2, the first slurry and the second slurry are prepared according to the method for embodiment；Remaining With embodiment 1.
Embodiment 11
According to the dosage requirement in Tables 1 and 2, the first slurry and the second slurry are prepared according to the method for embodiment；Remaining With embodiment 1.
Embodiment 12
According to the dosage requirement in Tables 1 and 2, the first slurry and the second slurry are prepared according to the method for embodiment；Remaining With embodiment 1.
Embodiment 13
According to the dosage requirement in Tables 1 and 2, the first slurry and the second slurry are prepared according to the method for embodiment；Remaining With embodiment 1.
Each component scale in first slurry in 1 embodiment 1~13 of table
Each component scale in second slurry in 2 embodiment 1~13 of table
The diatomite phase change composite material I, diatomite phase change composite material II, embodiment 1 to 13 being prepared are obtained Phase-changing and temperature-regulating diatom plate according to People's Republic of China (PRC) building material industry standard JC/T2111-2012《Construction material phase-changing and temperature-regulating Performance test methods》It is detected, testing result see the table below 3, and wherein stability refers to the phase after 200 cold cycling phase transformations experiment Become the mass loss rate of energy-storage composite material.
The performance table for the phase-changing and temperature-regulating diatom plate that the different phase change composite materials of table 3 and embodiment 1~13 are prepared
From the data in table 3, the phase-changing and temperature-regulating silicon made of phase-changing and temperature-regulating Diatom Assemblagess thing provided by the invention The phase transition temperature of algae plate is suitable with the phase transition temperature of diatomite phase change composite material, therefore it can be applied in conventional environment. And top layer has used diatom plate in the plate by being formed, although ultimately forming the latent heat of phase change of plate relative to diatomite Phase change composite material decreases, but still is higher than 45J/g more；In addition, the stability of phase-changing and temperature-regulating diatom plate is relative to diatomite The stabilization of phase change composite material increases, and illustrates to make in the encapsulation that the diatom plate set by top layer is played to phase-change material really With, and the mass loss rate of phase-changing and temperature-regulating diatom plate is no more than 0.5%, illustrates the leakage of material without phase-change substantially.
The organic phase change material of the diatomite phase change composite material of first slurry provided by the invention is supported on the silicon of modification In diatomaceous earth, therefore phase-change material and diatomaceous combination are relatively stable, effectively prevent the leakage of phase-change material, simultaneously because should The phase transition temperature of diatomite phase change composite material is adapted with conventional environment change, and latent heat of phase change is larger, thus phase transition performance compared with It is good；And since the diatomite phase change composite material includes diatomite, it is combined with calcareous material, the first filler When, the skeleton structure of diatom plate can be formed；Containing the basic material for forming diatom plate in above-mentioned second slurry, therefore can also Form the skeleton structure of diatom plate；Simultaneously because contain diatomite in the first slurry and the second slurry at the same time, therefore the two is suitable Answering property is preferable, and the plate Rotating fields that two kinds of slurries are formed are bonded using above-mentioned adhesive when making, that is, are used The Rotating fields that second slurry is formed protect the Rotating fields that the first slurry is formed, and can shape using adhesive bonding between Rotating fields Into phase-changing and temperature-regulating diatom plate, it can be seen that, the structure of the phase-changing and temperature-regulating diatom plate formed is different from the prior art using special The structure that is packaged to phase-changing and temperature-regulating material of packaging container, therefore, its application range is wider.
Using above-mentioned phase-changing and temperature-regulating Diatom Assemblagess thing formed phase-changing and temperature-regulating diatom feature board, due to containing phase-change material with And diatomite, therefore indoor or enclosure space temperature can be automatically adjusted, and phase transition temperature is suitable (20~28 DEG C), phase transformation Journey does not leak, and in addition to good energy saving temperature adjusting effect, also has the function of to adsorb damping and heat-insulation and heat-preservation etc.；Meanwhile should Phase-changing and temperature-regulating diatom plate has more excellent energy saving, insulation, durable, deformation is small etc. compared with conventional gypsum plate or calcium silicate board Feature, can be widely applied to house, office building and industrial building field, such as indoor partition metope, furred ceiling, ceiling, floor, interior Exterior-wall heat insulation etc., and applicability is good.
The manufacturing process of the production method of phase-changing and temperature-regulating diatom plate is simple, and the superficial layer and the first slurry that the second slurry is formed The intermediate layer that material is formed uses adhesives, forms " sandwich " encapsulation system, avoids the container envelope using the prior art Dress mode, has widened its application range, can be widely applied to house, office building and industrial building field, as indoor partition metope, Furred ceiling, ceiling, floor, inside and outside wall thermal insulation etc., and applicability is good.During steam-cured, also volatilization is complete substantially for adhesive, because Substantially without adhesive in this phase-changing and temperature-regulating diatom plate finally obtained.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (10)

1. the raw material of phase-changing and temperature-regulating diatom plate is prepared a kind of, including the first slurry, the second slurry and the binding agent independently dispensed；
First slurry contains：Diatomite phase change composite material, calcareous material, filler and water, the diatomite phase transformation are compound Material includes organic phase change material and loads the modified diatomite of the organic phase change material, and the modified diatomite is surface key Closing has the diatomite of amino；
Second slurry contains：Diatomite, calcareous material, activated magnesia, filler and water；First slurry and the second slurry Liquid-solid ratio independently is (3~4) in material:1.
2. raw material according to claim 1, it is characterised in that diatomite phase change composite material, calcium in first slurry The mass ratio of material and filler is (30~50)：(30~40)：(10~15)；
Diatomite in second slurry, calcareous material, the mass ratio of activated magnesia and filler are (25~35)：(25~ 40)：(15~20)：(10~15).
3. raw material according to claim 1 or 2, it is characterised in that the organic phase change material for n-butyl stearate and The compound or paraffin of methyl stearate.
4. raw material according to claim 1 or 2, it is characterised in that the calcareous material in first slurry includes ripe stone Ash；Calcareous material in second slurry includes white lime and semi-hydrated gypsum, the mass ratio of the white lime and semi-hydrated gypsum For (15~25)：(10~15)；
Filler independently is mineral filler in filler and the second slurry in first slurry；
The dosage of described adhesive is 0.3~1.3% of total solid material mass in first slurry and the second slurry, described Adhesive includes the one or more in polyvinyl alcohol, polyethylene glycol and polyethylene glycol oxide.
5. raw material according to claim 1 or 2, it is characterised in that modified diatomite and the second slurry in first slurry Diatomaceous noncrystalline SiO in material2Content independently >=70wt%, in first slurry in modified diatomite and the second slurry Diatomaceous granularity is independently≤150 μm.
6. raw material according to claim 1 or 2, it is characterised in that first slurry further includes inorfil and/or increasing Thick dose, the inorfil includes wood fibre, mineral fibres or wooden-mineral composition fiber；
The thickener includes one kind or more in hydroxyethyl cellulose, methyl hydroxyethylcellulose and ethylhydroxyethylcellulose Kind.
7. raw material according to claim 1 or 2, it is characterised in that second slurry further includes inorfil and/or increasing Thick dose, the inorfil includes wood fibre, mineral fibres or wooden-mineral composition fiber；
The thickener includes one kind or more in hydroxyethyl cellulose, methyl hydroxyethylcellulose and ethylhydroxyethylcellulose Kind.
8. a kind of phase-changing and temperature-regulating diatom plate, including intermediate layer and the superficial layer for being adhered to the intermediate layer both sides, it is characterised in that The superficial layer is obtained by the second sizing material forming in any one of claim 1~7 raw material；The intermediate layer will by right The first sizing material forming in any one of 1~7 raw material is asked to obtain.
9. phase-changing and temperature-regulating diatom plate according to claim 8, it is characterised in that the number of plies in the intermediate layer is 1~20；It is single The number of plies of side surface layer is 1 or 2.
10. the preparation method of the phase-changing and temperature-regulating diatom plate described in claim 8 or 9, comprises the following steps：
(1) it is respectively that first slurry and the progress of the second slurry is preforming, obtain phase-changing and temperature-regulating diatom plate intermediate layer and table Surface layer；
(2) superficial layer, intermediate layer and superficial layer are sequentially bonded using binding agent, obtains preformed board；
(3) it is steam-cured to the obtained preformed board progress, obtain phase-changing and temperature-regulating diatom plate.
CN201711193330.7A 2017-11-24 2017-11-24 A kind of raw material for preparing phase-changing and temperature-regulating diatom plate and phase-changing and temperature-regulating diatom plate and preparation method thereof Pending CN107954671A (en)

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Cited By (3)

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CN110078526A (en) * 2019-06-03 2019-08-02 株洲湘火炬火花塞有限责任公司 A kind of spark plug insulator ceramics and preparation method thereof and compound binding agent
CN110407554A (en) * 2019-08-19 2019-11-05 梁泽雄 Phase-change thermal storage calcium silicate board, raw material and its preparation method and application
US10626238B2 (en) 2018-07-27 2020-04-21 King Fahd University Of Petroleum And Minerals Calcium-doped magnesium carbonate-polymer-based synergistic phase change composite

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CN107189761A (en) * 2017-05-08 2017-09-22 胡建农 The preparation method of phase-changing and temperature-regulating Diatom Assemblagess thing, phase-changing and temperature-regulating diatom plate and the phase-changing and temperature-regulating diatom plate

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CN107189761A (en) * 2017-05-08 2017-09-22 胡建农 The preparation method of phase-changing and temperature-regulating Diatom Assemblagess thing, phase-changing and temperature-regulating diatom plate and the phase-changing and temperature-regulating diatom plate

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10626238B2 (en) 2018-07-27 2020-04-21 King Fahd University Of Petroleum And Minerals Calcium-doped magnesium carbonate-polymer-based synergistic phase change composite
US11306189B2 (en) 2018-07-27 2022-04-19 King Fahd University Of Petroleum And Minerals Polyethylene glycol phase change composite
US11434339B2 (en) 2018-07-27 2022-09-06 King Fahd University Of Petroleum And Minerals Method for making a PEG phase change composite
CN110078526A (en) * 2019-06-03 2019-08-02 株洲湘火炬火花塞有限责任公司 A kind of spark plug insulator ceramics and preparation method thereof and compound binding agent
CN110407554A (en) * 2019-08-19 2019-11-05 梁泽雄 Phase-change thermal storage calcium silicate board, raw material and its preparation method and application

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