CN106587834B - A kind of slip casting type phase-change accumulation energy concrete segment and preparation method thereof - Google Patents
A kind of slip casting type phase-change accumulation energy concrete segment and preparation method thereof Download PDFInfo
- Publication number
- CN106587834B CN106587834B CN201611151449.3A CN201611151449A CN106587834B CN 106587834 B CN106587834 B CN 106587834B CN 201611151449 A CN201611151449 A CN 201611151449A CN 106587834 B CN106587834 B CN 106587834B
- Authority
- CN
- China
- Prior art keywords
- parts
- cavity
- phase
- water
- slip casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- C04B28/04—Portland cements
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/70—Coating or impregnation for obtaining at least two superposed coatings having different compositions
- C04B41/71—Coating or impregnation for obtaining at least two superposed coatings having different compositions at least one coating being an organic material
-
- 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
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
- E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
-
- 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
-
- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses a kind of slip casting type phase-change accumulation energy concrete segments, including concrete substrate；The internal symmetry of the concrete substrate is set there are two cavity, and the cavity inner wall is covered with emulsion layer and heat conducting coating successively, and the inside of the cavity is filled with phase-change material layers, sets that there are two feed inlet and a gas outlets between the concrete substrate and cavity.The slip casting type phase-change accumulation energy concrete segment compact structure of the present invention, good heat conductivity, timeliness are good, energy storage density is high.The volume of phase-change material layers is the 60-90% of cavity volume, and the storage density for not only realizing building block is controllable, can also prevent concrete cracking caused by the volume change in phase transition process, significantly improve block work performance.
Description
Technical field
The present invention relates to technical field of buildings, and in particular to a kind of slip casting type phase-change accumulation energy concrete segment and its preparation side
Method.
Background technology
With the Large scale construction in cities and towns, the problem of consumption of building industry height, high investment, low income, becomes increasingly conspicuous, currently,
China has been maximum construction material producing country and country of consumption in the world.Main building material product cement, plate glass, building are defended
Raw ceramics, stone material and materials for wall Isoquant rank first in the world for many years.The exterior insulation that is widely used at present and it is interior within the walls
Although heat preservation technology can reduce the consumption of energy, since the thermal capacity of material itself is limited, cannot fully by energy into
Row storage utilizes, thus limits the ability of building energy conservation.Since phase change material is in its object phase change process (fusing or solidification)
In, the advantages that being absorbed from environment or release amount of heat, while kept temperature-resistant, can repeatedly use, by it
The insulating power of wall can be not only improved applied to building energy saving field, saves heating energy consumption, and can reduce wall certainly
Weight, keeps wall thinning, increases effective usable floor area in house, thus has broad application prospects.
Phase-change accumulation energy concrete utilizes phase transition mechanism, intelligently absorbs heat according to temperature difference or releases heat, reaches
It to energy storage and release and adjusts energy requirement and supplies the purpose of mismatch, realize scientific energy saving, reduce environmental pollution.But
It is that there are still problems with：(1) phase-change accumulation energy volume of concrete is big, easily cracks because of the internal stress caused by temperature difference；
(2) phase-change material content is low, and concrete energy storage density is low；(3) concrete heat conductivility difference causes its work limitation poor；(4)
Phase-change material is easily revealed under high temperature.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of good heat conductivity, the notes that timeliness is good, energy storage density is high
Paddle phase-change accumulation energy concrete segment.
The present invention also provides the preparation methods of the slip casting type phase-change accumulation energy concrete segment.
The purpose of the present invention is what is be achieved through the following technical solutions.
A kind of slip casting type phase-change accumulation energy concrete segment, including concrete substrate；The internal symmetry of the concrete substrate
If there are two cavity, the cavity inner wall is covered with emulsion layer and heat conducting coating successively, and the inside of the cavity is filled with phase transformation
Material layer is set between the concrete substrate and cavity there are two feed inlet and a gas outlet；
The thickness of the emulsion layer is 0.5-2mm；
The thickness of the heat conducting coating is 5-10mm；
The volume of the phase-change material layers is the 60-90% of cavity volume.
Described, concrete substrate is made from the raw material by following parts by weight：2.0-3.5 parts of cement, 5.0-9.0 parts of iron
Block, 4.0-9.0 part iron filings, 1.0-2.0 parts of steel fibres, 0.05-0.15 parts of water-reducing agents and 1 part of water；
Described, feed inlet and gas outlet are made from the raw material by following parts by weight：3.0-5.0 parts of cement, 3.0-5.0
Part iron filings, 0.4-1.2 parts of phenolic resin glues, 0.05-0.2 parts of water-reducing agents and 1 part of water.
Described, emulsion layer is made from VAE lotions, and the solid content of the VAE lotions is more than 54%, and viscosity is
2000-2500mPa·s。
Described, heat conducting coating is made from the raw material by following parts by weight：45-55 parts of graphite powders, 25-35 parts of dextrin and
25-35 parts of gum arabics.
Described, phase-change material layers are paraffin or sodium nitrate, and phase transition temperature is less than 400 DEG C.
Described, the grain size of iron block is more than 6mm, is less than 40mm；The grain size of the iron filings is 1-5mm；The steel fibre
Length is 0.08-2mm；The water-reducing agent is polycarboxylate water-reducer, water-reducing rate 30-40%.
Described, the specific surface area of graphite powder is 380-540m2；The specific surface area of dextrin is 240-300m2/kg；Ah
It is 240-300m to draw the specific surface area of uncle's natural gum2/kg。
Described, the specific surface area of phenolic resin glue is 240-300m2/kg。
A kind of preparation method of slip casting type phase-change accumulation energy concrete segment, is prepared by following steps：
1) it weighs by weight：2.0-3.5 parts of cement, 5.0-9.0 parts of iron blocks, 4.0-9.0 parts of iron filings, 1.0-2.0 parts of steel
Fiber, 0.05-0.15 part water-reducing agent and 1 part of water are uniformly mixed, through extrusion forming, what obtained internal symmetry was set there are two cavity
Concrete substrate；
2) VAE lotions even application is obtained into emulsion layer in the inner wall of cavity；And it will be mixed by weight in 5-30s
Even 45-55 parts graphite powder, 25-35 parts of dextrin and 25-35 parts of gum arabic air blast are sprayed on the surface of emulsion layer, obtain heat conduction
Coating；
3) concrete substrate for completing to spray twice is warming up to 200-400 DEG C, keeps the temperature 10-60min, during this period, used
Inner wall pressurization 2-10min of the high pressure air rifle of 4-8MPa to cavity；
4) paraffin or sodium nitrate are heated to melting completely, are imported by two feed inlets, until the 60-90% of cavity volume,
Obtain phase-change material layers；
5) it weighs by weight：3.0-5.0 parts of cement, 3.0-5.0 parts of iron filings, 0.4-1.2 parts of phenolic resin glues, 0.05-
0.2 part of water-reducing agent and 1 part of water are uniformly mixed, are filled in two feed inlets and gas outlet, dry 5-24h at 65-105 DEG C, must note
Paddle phase-change accumulation energy concrete segment.
Cement used in the present invention is portland cement, and specific surface area is between 280-340m2。
Beneficial effects of the present invention：
1. the slip casting type phase-change accumulation energy concrete segment compact structure of the present invention, good heat conductivity, timeliness are good, energy storage is close
Degree is high.The volume of phase-change material layers is the 60-90% of cavity volume, and the storage density for not only realizing building block is controllable, can also prevent
Only concrete cracking caused by the volume change in phase transition process, significantly improves block work performance.
2. the slip casting type phase-change accumulation energy concrete segment of the present invention improves caking property by emulsion layer and heat conducting coating, favorably
In phase-change material layers cavity inner wall attachment；Emulsion layer and the adhesion of heat conducting coating can be reinforced by pressurization, is significantly improved
The heat conductivility and consistency of building block；Feed inlet and gas outlet can effectively prevent phase-change material to reveal；It is taken each other inside each substance
It connects, constitutes metallic network structure, improve the heat conductivility of concrete.
3. the preparation method of the present invention is simple, raw material is cheap and easy to get, is suitble to large-scale promotion application.
Description of the drawings
Fig. 1 is the structural schematic diagram of the slip casting type phase-change accumulation energy concrete segment of the present invention.
In figure：1. concrete substrate, 2. cavitys, 3. emulsion layers, 4. heat conducting coatings, 5. phase-change material layers, 6. feed inlets,
7. gas outlet.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1
A kind of slip casting type phase-change accumulation energy concrete segment, including concrete substrate 1；The inside pair of the concrete substrate 1
Title is set there are two cavity 2, and 2 inner wall of the cavity is covered with emulsion layer 3 and heat conducting coating 4, the inside filling of the cavity 2 successively
There are phase-change material layers 5, is set between the concrete substrate 1 and cavity 2 there are two feed inlet 6 and a gas outlet 7；
The thickness of the emulsion layer 3 is 2mm；
The thickness of the heat conducting coating 4 is 10mm；
The volume of the phase-change material layers 5 is the 60% of 2 volume of cavity.
Described, concrete substrate 1 is made from the raw material by following parts by weight：3.5 parts of cement, 5.0 parts of iron blocks, 9.0
Part iron filings, 1.0 parts of steel fibres, 0.15 part of water-reducing agent and 1 part of water；
Described, feed inlet 6 and gas outlet 7 are made from the raw material by following parts by weight：3.0 parts of cement, 5.0 parts of iron
Bits, 0.4 part of phenolic resin glue, 0.2 part of water-reducing agent and 1 part of water.
Described, emulsion layer 3 is made from VAE lotions, and the solid content of the VAE lotions is more than 54%, and viscosity is
2000-2500mPa·s。
Described, heat conducting coating 4 is made from the raw material by following parts by weight：45 parts of graphite powders, 35 parts of dextrin and 25 parts
Gum arabic.
Described, phase-change material layers 5 are paraffin, and phase transition temperature is less than 400 DEG C.
Described, the grain size of iron block is more than 6mm, is less than 20mm；The grain size of the iron filings is 1-3mm；The steel fibre
Length is 0.08-1mm；The water-reducing agent is polycarboxylate water-reducer, water-reducing rate 30-40%.
Described, the specific surface area of graphite powder is 380-540m2；The specific surface area of dextrin is 240-300m2/kg；Ah
It is 240-300m to draw the specific surface area of uncle's natural gum2/kg。
Described, the specific surface area of phenolic resin glue is 240-300m2/kg。
A kind of preparation method of slip casting type phase-change accumulation energy concrete segment, is prepared by following steps：
1) it weighs by weight：3.5 parts of cement, 5.0 parts of iron blocks, 9.0 parts of iron filings, 1.0 parts of steel fibres, 0.15 part of water-reducing agent
It with 1 part of water, is uniformly mixed, through extrusion forming, obtained internal symmetry sets the concrete substrate 1 there are two cavity 2；
2) VAE lotions even application is obtained into emulsion layer 3 in the inner wall of cavity 2；And it will be mixed by weight in 5-30s
Uniform 45 parts of graphite powders, 35 parts of dextrin and 25 parts of gum arabic air blast are sprayed on the surface of emulsion layer 3, obtain heat conducting coating 4；
3) concrete substrate 1 for completing to spray twice is warming up to 400 DEG C, 10min is kept the temperature, during this period, with 4MPa's
Inner wall pressurization 10min of the high pressure air rifle to cavity 2；
4) heating paraffin is imported to complete melting by two feed inlets 6, until the 60% of 2 volume of cavity, obtain phase-change material
Layer 5；
5) it weighs by weight：3.0 parts of cement, 5.0 parts of iron filings, 0.4 part of phenolic resin glue, 0.2 part of water-reducing agent and 1 part
Water is uniformly mixed, is filled at 7,65 DEG C of two feed inlets 6 and gas outlet and dries for 24 hours, obtains slip casting type phase-change accumulation energy concrete block
Block.
According to GB/T50107-2010《Standard for inspection and assessment of strength of concrete》28 days concrete crushing strengths are surveyed to want up to C30
It asks.In 50 strength reductions 4.1% of 25-400 DEG C of thermal cycle, and have no that phase-change material is revealed.The thermal coefficient of concrete segment
For 1.88W/mK.
Embodiment 2
A kind of slip casting type phase-change accumulation energy concrete segment, including concrete substrate 1；The inside pair of the concrete substrate 1
Title is set there are two cavity 2, and 2 inner wall of the cavity is covered with emulsion layer 3 and heat conducting coating 4, the inside filling of the cavity 2 successively
There are phase-change material layers 5, is set between the concrete substrate 1 and cavity 2 there are two feed inlet 6 and a gas outlet 7；
The thickness of the emulsion layer 3 is 1.5mm；
The thickness of the heat conducting coating 4 is 8mm；
The volume of the phase-change material layers 5 is the 75% of 2 volume of cavity.
Described, concrete substrate 1 is made from the raw material by following parts by weight：2.5 parts of cement, 7.0 parts of iron blocks, 6.0
Part iron filings, 1.5 parts of steel fibres, 0.1 part of water-reducing agent and 1 part of water；
Described, feed inlet 6 and gas outlet 7 are made from the raw material by following parts by weight：4.0 parts of cement, 4.0 parts of iron
Bits, 0.8 part of phenolic resin glue, 0.1 part of water-reducing agent and 1 part of water.
Described, heat conducting coating 4 is made from the raw material by following parts by weight：50 parts of graphite powders, 30 parts of dextrin and 30 parts
Gum arabic.
Described, phase-change material layers 5 are sodium nitrate, and phase transition temperature is less than 400 DEG C.
Described, the grain size of iron block is more than 15mm, is less than 30mm；The grain size of the iron filings is 2-4mm；The steel fibre
Length is 0.5-1.5mm；The water-reducing agent is polycarboxylate water-reducer, water-reducing rate 30-40%.
A kind of preparation method of slip casting type phase-change accumulation energy concrete segment, is prepared by following steps：
1) it weighs by weight：2.5 parts of cement, 7.0 parts of iron blocks, 6.0 parts of iron filings, 1.5 parts of steel fibres, 0.1 part of water-reducing agent
It with 1 part of water, is uniformly mixed, through extrusion forming, obtained internal symmetry sets the concrete substrate 1 there are two cavity 2；
2) VAE lotions even application is obtained into emulsion layer 3 in the inner wall of cavity 2；And it will be mixed by weight in 5-30s
Uniform 50 parts of graphite powders, 30 parts of dextrin and 30 parts of gum arabic air blast are sprayed on the surface of emulsion layer 3, obtain heat conducting coating 4；
3) concrete substrate 1 for completing to spray twice is warming up to 300 DEG C, 30min is kept the temperature, during this period, with 6MPa's
Inner wall pressurization 6min of the high pressure air rifle to cavity 2；
4) sodium nitrate is heated to melting completely, is imported by two feed inlets 6, until the 75% of 2 volume of cavity, obtain phase transformation material
The bed of material 5；
5) it weighs by weight：4.0 parts of cement, 4.0 parts of iron filings, 0.8 part of phenolic resin glue, 0.1 part of water-reducing agent and 1 part
Water is uniformly mixed, is filled at 7,85 DEG C of two feed inlets 6 and gas outlet and dries 15h, obtains slip casting type phase-change accumulation energy concrete block
Block.
Remaining is the same as embodiment 1.
According to GB/T50107-2010《Standard for inspection and assessment of strength of concrete》28 days concrete crushing strengths are surveyed to want up to C30
It asks.In 50 strength reductions 3.8% of 25-400 DEG C of thermal cycle, and have no that phase-change material is revealed.The thermal coefficient of concrete segment
For 1.74W/mK.
Embodiment 3
A kind of slip casting type phase-change accumulation energy concrete segment, including concrete substrate 1；The inside pair of the concrete substrate 1
Title is set there are two cavity 2, and 2 inner wall of the cavity is covered with emulsion layer 3 and heat conducting coating 4, the inside filling of the cavity 2 successively
There are phase-change material layers 5, is set between the concrete substrate 1 and cavity 2 there are two feed inlet 6 and a gas outlet 7；
The thickness of the emulsion layer 3 is 0.5mm；
The thickness of the heat conducting coating 4 is 5mm；
The volume of the phase-change material layers 5 is the 90% of 2 volume of cavity.
Described, concrete substrate 1 is made from the raw material by following parts by weight：2.0 parts of cement, 9.0 parts of iron blocks, 4.0
Part iron filings, 2.0 parts of steel fibres, 0.05 part of water-reducing agent and 1 part of water；
Described, feed inlet 6 and gas outlet 7 are made from the raw material by following parts by weight：5.0 parts of cement, 3.0 parts of iron
Bits, 1.2 parts of phenolic resin glues, 0.05 part of water-reducing agent and 1 part of water.
Described, heat conducting coating 4 is made from the raw material by following parts by weight：55 parts of graphite powders, 25 parts of dextrin and 35 parts
Gum arabic.
Described, phase-change material layers 5 are sodium nitrate, and phase transition temperature is less than 400 DEG C.
Described, the grain size of iron block is more than 25mm, is less than 40mm；The grain size of the iron filings is 3-5mm；The steel fibre
Length is 1-2mm；The water-reducing agent is polycarboxylate water-reducer, water-reducing rate 30-40%.
A kind of preparation method of slip casting type phase-change accumulation energy concrete segment, is prepared by following steps：
1) it weighs by weight：2.0 parts of cement, 9.0 parts of iron blocks, 4.0 parts of iron filings, 2.0 parts of steel fibres, 0.05 part of water-reducing agent
It with 1 part of water, is uniformly mixed, through extrusion forming, obtained internal symmetry sets the concrete substrate 1 there are two cavity 2；
2) VAE lotions even application is obtained into emulsion layer 3 in the inner wall of cavity 2；And it will be mixed by weight in 5-30s
Uniform 55 parts of graphite powders, 25 parts of dextrin and 35 parts of gum arabic air blast are sprayed on the surface of emulsion layer 3, obtain heat conducting coating 4；
3) concrete substrate 1 for completing to spray twice is warming up to 200 DEG C, 10min is kept the temperature, during this period, with 8MPa's
Inner wall pressurization 2min of the high pressure air rifle to cavity 2；
4) sodium nitrate is heated to melting completely, is imported by two feed inlets 6, until the 90% of 2 volume of cavity, obtain phase transformation material
The bed of material 5；
5) it weighs by weight：5.0 parts of cement, 3.0 parts of iron filings, 1.2 parts of phenolic resin glues, 0.05 part of water-reducing agent and 1 part
Water is uniformly mixed, is filled at 7,105 DEG C of two feed inlets 6 and gas outlet and dries 5h, obtains slip casting type phase-change accumulation energy concrete block
Block.
Remaining is the same as embodiment 1.
According to GB/T50107-2010《Standard for inspection and assessment of strength of concrete》28 days concrete crushing strengths are surveyed to want up to C30
It asks.In 50 strength reductions 3.7% of 25-400 DEG C of thermal cycle, and have no that phase-change material is revealed.The thermal coefficient of concrete segment
For 1.66W/mK.
Claims (6)
1. a kind of slip casting type phase-change accumulation energy concrete segment, which is characterized in that including concrete substrate（1）；The coagulation soil matrix
Body（1）Internal symmetry set there are two cavity（2）, the cavity（2）Inner wall is covered with emulsion layer successively（3）And heat conducting coating
（4）, the cavity（2）Inside be filled with phase-change material layers（5）, the concrete substrate（1）And cavity（2）Between be equipped with two
A feed inlet（6）With a gas outlet（7）；
The emulsion layer（3）Thickness be 0.5-2mm；
The heat conducting coating（4）Thickness be 5-10mm；
The phase-change material layers（5）Volume be cavity（2）The 60-90% of volume；
The concrete substrate（1）It is made from the raw material by following parts by weight：2.0-3.5 parts of cement, 5.0-9.0 parts of iron blocks,
4.0-9.0 parts of iron filings, 1.0-2.0 parts of steel fibres, 0.05-0.15 parts of water-reducing agents and 1 part of water；
The feed inlet（6）The gas outlet and（7）It is made from the raw material by following parts by weight：3.0-5.0 parts of cement, 3.0-5.0
Part iron filings, 0.4-1.2 parts of phenolic resin glues, 0.05-0.2 parts of water-reducing agents and 1 part of water；
The emulsion layer（3）It is made from VAE lotions, the solid content of the VAE lotions is more than 54%, viscosity 2000-
2500mPa·s；
The heat conducting coating（4）It is made from the raw material by following parts by weight：45-55 parts of graphite powders, 25-35 parts of dextrin and 25-
35 parts of gum arabics.
2. slip casting type phase-change accumulation energy concrete segment according to claim 1, which is characterized in that the phase-change material layers
（5）For paraffin or sodium nitrate, phase transition temperature is less than 400 DEG C.
3. slip casting type phase-change accumulation energy concrete segment according to claim 1, which is characterized in that the grain size of the iron block is big
In 6mm, it is less than 40mm；The grain size of the iron filings is 1-5mm；The length of the steel fibre is 0.08-2mm；The water-reducing agent is
Polycarboxylate water-reducer, water-reducing rate 30-40%.
4. slip casting type phase-change accumulation energy concrete segment according to claim 1, which is characterized in that the ratio table of the graphite powder
Area is 380-540m2；The specific surface area of dextrin is 240-300m2/kg；The specific surface area of the gum arabic is 240-
300m2/kg。
5. slip casting type phase-change accumulation energy concrete segment according to claim 1, which is characterized in that the phenolic resin glue
Specific surface area is 240-300m2/kg。
6. the preparation method of the slip casting type phase-change accumulation energy concrete segment described in a kind of any one of claim 1-5, feature
It is, is prepared by following steps：
1）It weighs by weight：2.0-3.5 parts of cement, 5.0-9.0 parts of iron blocks, 4.0-9.0 parts of iron filings, 1.0-2.0 parts of steel fibres,
0.05-0.15 parts of water-reducing agents and 1 part of water are uniformly mixed, and through extrusion forming, obtained internal symmetry is set there are two cavity（2）It is mixed
Solidifying soil matrix body（1）；
2）By VAE lotion even applications in cavity（2）Inner wall, obtain emulsion layer（3）；And it will be mixed by weight in 5-30s
Uniform 45-55 parts of graphite powders, 25-35 parts of dextrin and 25-35 parts of gum arabic air blast are sprayed on emulsion layer（3）Surface, obtain
Heat conducting coating（4）；
3）The concrete substrate that completion is sprayed twice（1）It is warming up to 200-400 DEG C, heat preservation 10-60min uses 4- during this period
The high pressure air rifle of 8MPa is to cavity（2）Inner wall pressurize 2-10min；
4）Paraffin or sodium nitrate are heated to melting completely, by two feed inlets（6）It imports, until cavity（2）The 60-90% of volume,
Obtain phase-change material layers（5）；
5）It weighs by weight：3.0-5.0 parts of cement, 3.0-5.0 parts of iron filings, 0.4-1.2 parts of phenolic resin glues, 0.05-0.2 parts
Water-reducing agent and 1 part of water are uniformly mixed, are filled in two feed inlets（6）The gas outlet and（7）, 5-24h is dried at 65-105 DEG C, is obtained
Slip casting type phase-change accumulation energy concrete segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611151449.3A CN106587834B (en) | 2016-12-14 | 2016-12-14 | A kind of slip casting type phase-change accumulation energy concrete segment and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611151449.3A CN106587834B (en) | 2016-12-14 | 2016-12-14 | A kind of slip casting type phase-change accumulation energy concrete segment and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106587834A CN106587834A (en) | 2017-04-26 |
| CN106587834B true CN106587834B (en) | 2018-11-09 |
Family
ID=58802171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611151449.3A Expired - Fee Related CN106587834B (en) | 2016-12-14 | 2016-12-14 | A kind of slip casting type phase-change accumulation energy concrete segment and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106587834B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524066B (en) * | 2017-09-13 | 2019-08-13 | 济南大学 | A kind of anti-freeze asphalt concrete layer and its construction method |
| CN115110390B (en) * | 2022-07-13 | 2023-08-29 | 中铁第四勘察设计院集团有限公司 | Construction method suitable for rapid backfilling of partially excavated groove of municipal road |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100564755C (en) * | 2007-12-21 | 2009-12-02 | 西北农林科技大学 | A kind of light phase transition heat preserving wall building block |
| CN102503319B (en) * | 2011-10-24 | 2013-11-06 | 沈阳建筑大学 | Phase-change-energy-storage phase change concrete and preparation method |
| CN105110731B (en) * | 2015-08-06 | 2017-03-01 | 济南大学 | A kind of high-temperature phase-change energy-storing concrete and preparation method thereof |
| CN105254233B (en) * | 2015-11-06 | 2018-08-10 | 深圳大学 | A kind of phase-change accumulation energy concrete and its manufacturing method |
-
2016
- 2016-12-14 CN CN201611151449.3A patent/CN106587834B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106587834A (en) | 2017-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103496866B (en) | A kind of hud typed cement base high-strength light aggregate processing method | |
| CN107963850A (en) | A kind of cracking resistance high heat conduction mortar and its preparation method and application | |
| CN106587834B (en) | A kind of slip casting type phase-change accumulation energy concrete segment and preparation method thereof | |
| CN103553684B (en) | A kind of heat insulating sprayed material | |
| CN109336475A (en) | A kind of 3D printing alkali-activated carbonatite cementitious material | |
| CN102795818A (en) | Self-insulation wall material | |
| CN102561535A (en) | Composite heat insulating plate insulation coating structure and construction method thereof | |
| CN105110731A (en) | High-temperature phase change energy storage concrete and preparation method therefor | |
| CN104311040A (en) | Powder for preparing magnesium-silicon hard insulation board, magnesium-silicon hard insulation board and preparation method thereof | |
| CN111548080B (en) | Thermal insulation wallboard and preparation method thereof | |
| CN106810181B (en) | Heat transfer cement-based grouting material | |
| CN106752139A (en) | A kind of heat power equipment and pipeline nano-thermal-insulating coating and preparation method thereof | |
| CN208934183U (en) | A kind of integration finishing wall of 3D printing self-insulating light | |
| CN106592850B (en) | A kind of phase-change accumulation energy compound concrete block and preparation method thereof | |
| CN114507060A (en) | High-strength building material with controllable condensation for alpine regions and preparation method thereof | |
| CN109516754B (en) | Lightweight phase-change aerated concrete, masonry wall and construction method thereof | |
| CN206554497U (en) | A kind of compound heat preservation die plate used for building exterior wall | |
| CN202430844U (en) | Heat insulating coating structure of composite heat insulating plate | |
| CN111620719B (en) | Method for rapidly sintering ceramsite | |
| CN103435299B (en) | Heating ground concrete packing layer | |
| CN107129213A (en) | A kind of heat preserving and insulating material and preparation method thereof | |
| CN104418558B (en) | The preparation technology of environment-friendly insulating composite architectural materials | |
| CN102898090A (en) | Inorganic nanometer gas condensation thermal insulation and heat preservation mortar and preparation method thereof | |
| CN103527898B (en) | It is provided with expansion pearlite thermal insulation shell and the production method thereof of heat reflection cavity | |
| Chen et al. | Mechanical strength and thermal conductivity of modified expanded vermiculite/forsterite composite materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20211214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |