CN114412042A - Combined prefabricated cement sheet assembled energy storage floor system - Google Patents
Combined prefabricated cement sheet assembled energy storage floor system Download PDFInfo
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- CN114412042A CN114412042A CN202210145997.4A CN202210145997A CN114412042A CN 114412042 A CN114412042 A CN 114412042A CN 202210145997 A CN202210145997 A CN 202210145997A CN 114412042 A CN114412042 A CN 114412042A
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- Prior art keywords
- prefabricated
- energy storage
- floor
- heat
- floor system
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
- A62C3/0214—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for buildings or installations in fire storms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
- F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
- F24D13/022—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements
- F24D13/024—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements in walls, floors, ceilings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/08—Electric heater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/10—Heat storage materials, e.g. phase change materials or static water enclosed in a space
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/20—Heat consumers
- F24D2220/2009—Radiators
- F24D2220/2036—Electric radiators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
Abstract
The invention discloses a combined prefabricated cement sheet assembled energy storage floor system, which mainly comprises a floor system with an abdominal cavity formed by combining a prefabricated flat sheet and a prefabricated trapezoidal thin folded plate, wherein a lamp tube for generating heat radiation and a phase change energy storage material are arranged in the abdominal cavity of the floor system, a plurality of prefabricated flat floor tiles containing the phase change energy storage material are paved on the top surface of the floor system, the floor system with the abdominal cavity is formed by combining the prefabricated flat sheet and the prefabricated trapezoidal thin folded plate, the internal cavity is used for storing heat and uniformly radiating the heat to the floor surface, then the lamp tube transmits the heat energy of the floor tiles to the prefabricated flat plate, simultaneously the air in the cavity is heated, the hot air is lifted to the ground through the gaps of the floor tiles, on the other hand, the phase change energy storage material arranged in the abdominal cavity of the floor system absorbs the heat, and when the lamp tube stops working, the phase change energy storage material and the prefabricated flat floor tiles emit the heat, the air in the hollow cavity of the floor system is kept at a higher temperature, so that the ground is kept at a certain temperature.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a combined prefabricated cement sheet assembled energy storage floor system.
Background
At present, a common fabricated reinforced concrete PC plate is superposed with a cast-in-place concrete solid slab floor, a reinforced concrete folded plate floor, a color steel folded plate, a cast-in-place concrete floor and the like, and the floors are all solid floors; although the concrete hollow prefabricated slab is a hollow slab, the non-hollow part consists of reinforced concrete, and the heat conductivity coefficient of the concrete hollow prefabricated slab is higher.
Among them, there is a method of placing a "phase change energy storage blanket" in a ceiling, which has disadvantages in that a structure is separated from decoration, and a process is complicated; and when heat is released, the heat is concentrated under the ceiling and is difficult to transfer to the floor.
The ground heating can keep the floor higher temperature in winter, but it is added when additionally installing a repairing layer outside the structure, and it adopts a large amount of water pipes to spread over the floor, when the water temperature is reduced, the floor temperature is reduced, so a kind of combined prefabricated cement thin plate assembled energy storage floor is urgently needed to solve the above-mentioned technical problems.
Disclosure of Invention
The invention provides a combined prefabricated cement thin plate assembled energy storage floor which can store heat and uniformly radiate the heat to the floor surface, and aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a combination prefabricated cement sheet assembled energy storage superstructure, includes mainly by the prefabricated flat sheet and the prefabricated trapezoidal thin folded plate combination forms the superstructure of belly area cavity, install the fluorescent tube that is used for producing the heat radiation and lay the phase change energy storage material in the belly cavity of superstructure, the superstructure top surface is spread the prefabricated flat floor tile that the polylith contains the phase change energy storage material, all reserves the gap between each two adjacent prefabricated flat floor tiles.
Preferably, the prefabricated flat thin plate and the prefabricated trapezoidal thin folded plate are both made of alkali-resistant glass fiber reinforced cement-based composite materials.
Preferably, a wood rib is arranged on one side of the prefabricated flat thin plate, the width and the height of the rib are both 300mm, the clear distance between the ribs is 900mm, the thickness of the thin plate wrapped on the wood rib is 20-30mm, 4-7 layers of alkali-resistant glass fiber fabric nets are paved inside, the thickness of the flat thin plate is 30-50mm, and 5-9 layers of alkali-resistant glass fiber fabric nets are paved inside.
Preferably, the width of the trapezoid upper bottom of the prefabricated trapezoid thin folded plate is 300mm, the width of the lower bottom of the prefabricated trapezoid thin folded plate is 900mm, the height of the prefabricated trapezoid thin folded plate is 300mm, the plate thickness of the prefabricated trapezoid thin folded plate is 20-30mm, the thickness of the inclined edge of the prefabricated trapezoid thin folded plate is 0.7 times of that of the parallel edge, and 4-7 layers of alkali-resistant glass fiber fabric nets are arranged in the prefabricated trapezoid thin folded plate.
Preferably, a closed storage chamber defined by an aluminum alloy sheet is arranged in the cavity, the phase change energy storage material is arranged in the storage chamber, and a heat insulation material is filled in a gap between the storage chamber and the prefabricated trapezoidal thin folded plate.
Preferably, a lamp holder is installed on the aluminum alloy thin plate, a plurality of heat conducting fins are arranged at the bottom end of the lamp holder and extend into the phase change energy storage material in the storage cavity, and the lamp tube is installed on the lamp holder.
Preferably, the lamp holder and the storage chamber are provided with reflective films on the surfaces far away from the prefabricated trapezoidal thin folded plate.
Preferably, the prefabricated flat floor tile is mainly prepared by adding heat-conducting toughened chopped carbon fibers into concrete, stirring, and adding paraffin microcapsules.
Preferably, the top surface of the floor system is provided with a heat-conducting aluminum alloy grid, and the prefabricated flat floor tiles are arranged on the heat-conducting aluminum alloy grid.
Preferably, the gaps between the prefabricated flat floor tiles are covered by waterproof and breathable materials.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the prefabricated flat thin plate and the prefabricated trapezoidal thin folded plate are combined to form the floor system with the cavity at the abdomen, the internal cavity is utilized to store heat and uniformly radiate the heat to the floor surface, wherein the lamp tube for generating heat radiation and the phase change energy storage material are arranged in the cavity, the heat energy can be transmitted to the prefabricated flat floor tile through the lamp tube, meanwhile, the air in the cavity is also heated, the hot air is raised to the ground through the gap of the floor tile on one hand, the phase change energy storage material placed in the abdominal cavity of the floor system on the other hand absorbs the heat, when the lamp tube stops working, the phase change energy storage material and the prefabricated flat floor tile emit the heat, the air in the cavity of the floor system keeps a higher temperature, and thus the ground keeps a certain temperature, on the one hand, the integration of the structure and the maintenance is realized, and on the other hand, the heat is stored while the ground is heated.
In addition, in the invention, the bending resistance bearing capacity of the floor is increased by combining the prefabricated flat thin plates and the prefabricated trapezoidal thin folded plates, so that the floor can span the space span of common offices, houses and partial industrial buildings; the high-content alkali-resistant glass fiber reinforced cement-based composite material is adopted to manufacture the thin plate, and the structure is not easy to crack under the action of expansion with heat and contraction with cold due to the large amount of fibers, so that the heat insulation performance of the prefabricated thin plate is improved by utilizing the characteristic of low heat conductivity coefficient of the alkali-resistant glass fiber; the floor adopts the wooden ridges to support construction load, simplifies the construction process, improves the construction speed, takes the wooden ribs as a part of the structure to bear together with the prefabricated thin plate after construction is finished, and improves the fireproof performance of wood by wrapping the wooden ridges with fabric reinforced concrete; the aluminum plate is adopted to seal the phase change energy storage material, so that the paraffin can be prevented from leaking after melting, and meanwhile, the electric spark is prevented from falling onto the liquid paraffin to cause combustion.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural diagram of a combined prefabricated cement sheet assembled energy storage floor of the present invention;
FIG. 2 is a schematic structural diagram of a prefabricated flat floor tile and an aluminum alloy sheet according to the present invention;
FIG. 3 is a schematic structural view of an aluminum alloy sheet of the present invention;
FIG. 4 is a schematic structural view of prefabricated trapezoidal thin folded plates of the present invention;
FIG. 5 is a schematic structural view of a prefabricated flat sheet of the present invention;
FIG. 6 is a schematic structural view of the internal fabric of the prefabricated flat sheet of the present invention;
FIG. 7 is a schematic view of the assembled structure of the prefabricated flat sheet and the prefabricated trapezoidal thin folded plate of the present invention;
reference numbers in the figures: 1. prefabricating a flat thin plate; 2. prefabricating a trapezoidal thin folded plate; 3. a lamp tube; 4. a phase change energy storage material; 5. prefabricating the flat floor tiles; 6. a wood rib; 7. a fabric mesh; 8. an aluminum alloy sheet; 9. a thermal insulation material; 10. a lamp socket; 11. a heat conductive sheet; 12. a light-reflecting film; 13. a thermally conductive aluminum alloy grid; 14. an aluminum alloy connecting plate; 15. self-tapping screws; 16. a flat bar; 17. a waterproof breathable material.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1, a combined prefabricated cement thin plate fabricated energy storage floor comprises a floor body, wherein a prefabricated flat thin plate 1 and a prefabricated trapezoidal thin folded plate 2 are combined to form an abdominal cavity, a lamp tube 3 for generating heat radiation and a phase change energy storage material 4 are arranged in the abdominal cavity of the floor body, a plurality of prefabricated flat floor tiles 5 containing the phase change energy storage material 4 are laid on the top surface of the floor body, and a gap is reserved between each two adjacent prefabricated flat floor tiles 5.
Referring to fig. 1, the uppermost layer is a prefabricated flat floor tile 5 which is a phase change energy storage cement-based composite material floor tile, referring to fig. 1-2, the prefabricated flat floor tile 5 is laid on a heat conduction aluminum alloy grid 13 to serve as a floor surface tile, a small gap (1.0-3.0 mm) is left between the plates of the prefabricated flat floor tile 5, hot air in a cavity of a floor system can overflow from the gap, and the gap of the prefabricated flat floor tile 5 can be covered by a waterproof and breathable material 17, such as a waterproof and breathable film;
among them, the prefabricated floor tile is made of heat conductive toughened chopped carbon fiber, such as: the carbon fiber product is recycled and processed into powdery chopped carbon fibers, concrete is added for stirring, and then paraffin microcapsules are added for preparation, so that the floor tile is prepared, the dosage of the paraffin microcapsules must be controlled, and the crack resistance and the heat conductivity of the prefabricated floor tile are improved; the thickness of the floor tile can be increased appropriately according to the crack resistance and energy storage requirements.
Referring to fig. 1, the lower layer of the prefabricated flat floor tile 5 is a heat-conducting aluminum alloy grid 13, referring to fig. 3, the upper surfaces of two vertical ribs of the heat-conducting aluminum alloy grid 13 are flush, wherein the higher rib of the two vertical ribs rests on the upward convex surface of the prefabricated trapezoidal thin folded plate 2, and a piece of aluminum alloy connecting plate 14 is welded on the heat-conducting aluminum alloy grid 13 at the contact position with the upward convex surface of the prefabricated trapezoidal thin folded plate 2, for example: the thickness of the aluminum alloy connecting plate 14 is 1.0-1.5mm, and the aluminum alloy connecting plate 14 is welded under the end rib of the heat-conducting aluminum alloy grid 13.
Referring to fig. 1, the lower layer of the heat-conducting aluminum alloy grid 13 is a floor system with an abdominal cavity formed by combining a prefabricated flat thin plate 1 and a prefabricated trapezoidal thin folded plate 2, the prefabricated flat thin plate 1 and the prefabricated trapezoidal thin folded plate 2 are both made of alkali-resistant glass fiber reinforced cement-based composite materials, and the structure is not easy to crack under the action of thermal expansion and cold contraction due to the fact that a large number of fibers are contained, and the heat-insulating performance of the prefabricated thin plate is improved by utilizing the characteristic of low heat conductivity coefficient of the alkali-resistant glass fibers;
referring to fig. 4, the prefabricated trapezoidal thin folded plate 2 is shown, the width of the trapezoidal upper bottom of the prefabricated trapezoidal thin folded plate 2 is 300mm, the width of the lower bottom is 900mm, the height is 300mm, the plate thickness is 20-30mm, and the thickness of the inclined edge of the prefabricated trapezoidal thin folded plate 2 is 0.7 times of that of the parallel edge, wherein 4-7 layers of alkali-resistant glass fiber fabric nets 7 are matched in the prefabricated trapezoidal thin folded plate 2, so that the bending resistance bearing capacity of the floor is increased, and the floor can span the space span of common offices, houses and partial industrial buildings;
referring to fig. 5, for the prefabricated flat thin plate 1, a wood rib 6 is arranged on one side of the prefabricated flat thin plate 1, which is positioned in a cavity, the rib width and height are both 300mm, the rib clear distance is 900mm, the thickness of the thin plate wrapped on the wood rib 6 is 20-30mm, construction load is supported by the wood rib 6, the construction process is simplified, the construction speed is improved, after the construction is completed, the wood rib 6 is taken as a part of a structure to be jointly borne with the prefabricated thin plate, 4-7 layers of alkali-resistant glass fiber fabric nets 7 are paved inside, the thickness of the flat thin plate is 30-50mm, 5-9 layers of alkali-resistant glass fiber fabric nets 7 are paved inside, and the wood rib 6 is wrapped by fabric reinforced concrete, so that the fireproof performance of wood is improved;
referring to fig. 6, which is a connection diagram of the wood rib 6 and the fabric reinforced concrete, the fabric net 7 wrapping the wood rib 6 and the axial fabric fibers of the fabric net 7 in the prefabricated flat sheet 1 along the length direction of the wood rib 6 are kept in a straight state at any position, the distance between layers of the fabric net 7 wrapping the wood rib 6 can be slightly reduced at the contact part of the wood rib 6 and the prefabricated flat sheet 1, and the fibers of the fabric net 7 in the prefabricated flat sheet 1 perpendicular to the length direction of the wood rib 6 can be bent;
when the prefabricated flat sheet 1 is manufactured, firstly, fine aggregate concrete and fabric are paved and adhered around the wood rib 6 in a layered mode, the lap joint of the fabric is left on the connecting surface of the wood rib 6 and the prefabricated flat sheet 1, the lapping length of one part of the fabric is equal to the side length of the side of the section of the wood rib 6, the other part of the fabric is more than twice of the side length of the side of the wood rib 6, the fabric exceeding the side length of the wood rib 6 extends into the prefabricated flat sheet 1 at the two sides of the wood rib 6, the fabric in the prefabricated flat sheet 1 cannot extend out due to the fabric obstruction at one side, the fabric exceeding the side length along the rib direction needs to be cut, and lapping fibers perpendicular to the length direction of the wood rib 6 penetrate through the obstructed fabric and extend into the prefabricated flat sheet 1; then, erecting a template for manufacturing the prefabricated flat sheet 1 with the ribs on the lower surface and the upper surface of the prefabricated flat sheet 1 according to the rib parts (the upper surface and the lower surface are opposite to those in the figure 6), uniformly adding a certain amount of fine aggregate concrete into the rib mold, putting the wood rib 6 wrapping the slurry and the fabric into the mold, and flatly placing the fabric which needs to extend into the prefabricated flat sheet 1 on the template; then, paving and sticking the fine aggregate concrete and the carbon glass fiber bidirectional fabric in the flat plate mould in layers; before the fine aggregate concrete slurry is not completely solidified, the self-tapping screw 15 is lifted in to press the multilayer fabric, the self-tapping screw 15 is sunk into the slurry of the fine aggregate concrete, the slurry is properly supplemented and leveled, the fine aggregate concrete slurry is compacted by flapping vibration, and the mould is folded for maintenance. Every 500mm of length direction of the rib of the self-tapping screw 15, set up one row (two), wherein, the fiber fabric net 7 uses biaxial or multiaxial fabric such as alkali-resistant glass fiber, carbon fiber, basalt fiber, aramid fiber, etc. according to the different uses of the sheet metal, the example of fabric parameter and the example of cement concrete base member proportion of the prefabricated sheet metal of preparation are shown as follows respectively:
examples of the main mechanical and geometrical characteristic parameters of the fabric are:
concrete matrix proportions are exemplified as follows:
referring to fig. 1, a closed storage chamber surrounded by an aluminum alloy sheet 8 is arranged in the cavity, a phase change energy storage material 4 is arranged in the storage chamber, the phase change energy storage material 4 can be prevented, in the embodiment, paraffin is adopted, leakage is caused after melting, the heat insulation material 9 is filled in the gap between the storage chamber and the prefabricated trapezoidal thin folded plate 2, wherein, two parallel edges at two ends of the aluminum alloy sheet 8 are respectively provided with a flat strip 16, the flat strips 16 are clamped between the contact surfaces of the heat-conducting aluminum alloy grid 13 and the prefabricated trapezoidal thin folded plate 2 and fixed by screws to ensure that the position of the aluminum alloy sheet 8 is not changed, a lamp holder 10 is arranged on the aluminum alloy sheet 8, a plurality of heat conducting fins 11 are arranged at the bottom end of the lamp holder 10, the heat conducting fins 11 extend into the phase change energy storage material 4 in the storage cavity, the lamp tube 3 is arranged on the lamp holder 10, wherein, the lamp holder 10 and the face of the storage chamber far away from the prefabricated trapezoidal thin folded plate 2 are both provided with a reflecting film 12.
Referring to fig. 1, the lamp 3 can be powered by wind power or solar power, the lamp 3 is turned on, when the wind power or solar power generation is insufficient or the air temperature in the abdominal cavity is too high, the lamp 3 is turned off (for example, the air temperature in the abdominal cavity is controlled to be 50-70 degrees), when the lamp 3 is powered on, heat is firstly directly emitted to the heat-conducting aluminum alloy grid 13 and the prefabricated flat floor tile 5 on the upper portion of the air in the cavity, a small amount of heat energy is brought into the ground by the air, part of the heat energy is transferred to the prefabricated flat floor tile 5 by the heat-conducting aluminum alloy grid 13 and then transferred to the ground, and part of the heat energy is stored in the prefabricated flat floor tile 5. A part of the heat is also transferred to the phase change energy storage material 4 in the cavity from the air in the cavity, and a part of the heat is also directly transferred to the lamp holder 10 from the two ends of the lamp tube 3 and then transferred to the phase change energy storage material 4 from the heat conducting fins 11 under the lamp holder 10. The heat is transferred to the middle of the phase change energy storage material 4 through the heat conducting sheet 11, so that the phase change energy storage material 4 can better play a role.
When the self-tapping screws 15 are installed in the invention, the top surfaces of the prefabricated trapezoidal thin folded plates 2 are well positioned (2 pieces in each row and one row every 500 mm), the top surfaces of the prefabricated trapezoidal thin folded plates 2 are drilled downwards to the top surfaces of the wood ribs 6, the aperture is about 1.5 times larger than that of the self-tapping screws 155, and the holes are filled with structural adhesive; then marking the position of 15 holes of the self-tapping screw on the aluminum alloy sheet 8, pre-drilling holes with the diameter 150.7-0.9 times of the self-tapping screw on the aluminum alloy sheet 8, placing the aluminum alloy sheet 8 and the heat-conducting aluminum alloy grid 13, finally, drilling through all layers below the aluminum alloy sheet 8 by using the long-screw self-tapping screw 15, drilling through solidified glue from the holes for glue injection on the prefabricated trapezoidal thin folded plate 2 and the prefabricated flat sheet 1 to the middle part of the wood rib 6, and coating structural glue for reinforcing the bonding of contact surfaces on the contact surfaces among the aluminum alloy sheet 8, the prefabricated trapezoidal thin folded plate 2 and the prefabricated flat sheet 1 at the top part of the rib of the prefabricated flat sheet 1.
Installation:
firstly, manufacturing a ground large stage brick and a prefabricated thin plate component (a prefabricated flat thin plate 1 and a prefabricated trapezoidal thin folded plate 2 combined floor system), wherein the length of the prefabricated thin plate component (the prefabricated flat thin plate 1 and the prefabricated trapezoidal thin folded plate 2 combined floor system) meets the span requirement;
secondly, mounting the prefabricated flat sheet 1 of the prefabricated part in place;
thirdly, building temporary wood laths on the ribs of the prefabricated flat thin plate 1, standing the temporary wood laths by constructors to clean the top surfaces of the ribs of the prefabricated flat thin plate 1, coating structural adhesive on the top surfaces, installing the prefabricated trapezoidal thin folded plate 2, prefabricating the trapezoidal thin folded plate 2 and the prefabricated flat thin plate 1, and adhering the top surfaces of the ribs of the prefabricated flat thin plate 1 together; building temporary battens (reusing the temporary battens) on the upward protruding surfaces of the prefabricated trapezoidal thin folded plates 2, uniformly drilling holes on the contact surfaces of the bottom surfaces of the prefabricated trapezoidal thin folded plates 2 and the ribbed flat plates of the prefabricated flat sheets 1, placing expansion bolts, and tightening the expansion bolts;
fourthly, well setting hole positions (2 in each row and one row at intervals of about 500 mm) of the long screw self-tapping screws 15 on the top surface of the prefabricated flat sheet 1; drilling a hole downwards on the top surface of the prefabricated trapezoidal thin folded plate 2 to the top surface of the wood rib 6, wherein the hole diameter is about 1.5 times larger than that of a self-tapping screw 155, and filling the hole with structural adhesive; measuring the actual hole site, and marking the hole site size on the drawing in detail.
And fifthly, placing a heat insulation material 9, placing a phase change energy storage material 4 such as paraffin, and coating structural adhesive on the contact part of the top surface of the prefabricated trapezoidal thin folded plate 2 and the aluminum alloy sheet 8 to enable the aluminum alloy sheet 8 and the top surface of the prefabricated trapezoidal thin folded plate 2 to be adhered together. The lamp vessel 3 is then mounted.
And sixthly, sealing the end of the aluminum alloy thin plate 8 on the support of the floor, and isolating the aluminum alloy thin plate 8 and the concrete for plugging the abdominal cavity space at the end part of the floor by adopting a heat insulation material 9 on the outer side of the aluminum alloy thin plate 8 (after the hollow plate is in place, the plate head is usually filled with concrete to be hollow).
Seventhly, welding an aluminum alloy sheet 8 at the end of the heat-conducting aluminum alloy grid 13, and drilling small holes with the diameter smaller than that of the long-screw self-tapping screws 15 on the aluminum alloy sheet 8 according to actually measured hole positions of the long-screw self-tapping screws 15; then, a high thermal conductive aluminum alloy grid 13 is placed, a long screw self-tapping screw 15 is screwed into the small hole of the aluminum alloy sheet 8, the layers below the aluminum alloy sheet 8 are drilled through by the long screw self-tapping screw 15, and the glue solidified on the holes for injecting glue on the prefabricated flat sheet 1 and the prefabricated trapezoidal thin folded plate 2 is drilled through to the middle part of the wood rib 6), as shown in fig. 7.
And step eight, paving the energy storage prefabricated flat floor tiles 5 on the heat-conducting aluminum alloy grid 13. Finally, according to the use condition, whether to lay a waterproof breathable film or a local carpet for ground heating is determined.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a combination prefabricated cement sheet assembled energy storage superstructure which characterized in that: the building floor is characterized by mainly combining a prefabricated flat thin plate and a prefabricated trapezoidal thin folded plate to form a floor with an abdominal cavity, wherein a lamp tube for generating heat radiation and a phase change energy storage material are arranged in the abdominal cavity of the floor, a plurality of prefabricated flat floor tiles containing the phase change energy storage material are laid on the top surface of the floor, and a gap is reserved between each two adjacent prefabricated flat floor tiles.
2. The assembled prefabricated cement slab energy storage floor system of claim 1, wherein: the prefabricated flat thin plate and the prefabricated trapezoidal thin folded plate are both made of alkali-resistant glass fiber reinforced cement-based composite materials.
3. The assembled prefabricated cement slab energy storage floor system of claim 2, wherein: the prefabricated flat thin plate is provided with a wood rib at one side of the cavity, the width and the height of the rib are both 300mm, the clear distance between the ribs is 900mm, the thickness of the thin plate wrapped on the wood rib is 20-30mm, 4-7 layers of alkali-resistant glass fiber fabric nets are paved inside, the thickness of the flat thin plate is 30-50mm, and 5-9 layers of alkali-resistant glass fiber fabric nets are paved inside.
4. The assembled prefabricated cement slab energy storage floor system of claim 2, wherein: the width of the upper trapezoid bottom of the prefabricated trapezoid thin folded plate is 300mm, the width of the lower trapezoid bottom of the prefabricated trapezoid thin folded plate is 900mm, the height of the prefabricated trapezoid thin folded plate is 300mm, the thickness of the plate is 20-30mm, the thickness of the oblique side of the prefabricated trapezoid thin folded plate is 0.7 times of that of the parallel side of the prefabricated trapezoid thin folded plate, and 4-7 layers of alkali-resistant glass fiber fabric nets are arranged in the prefabricated trapezoid thin folded plate.
5. The assembled prefabricated cement slab energy storage floor system of claim 1, wherein: the cavity is internally provided with a closed storage chamber which is enclosed by an aluminum alloy thin plate, the phase change energy storage material is arranged in the storage chamber, and a gap between the storage chamber and the prefabricated trapezoidal thin folded plate is filled with a heat insulation material.
6. The assembled prefabricated cement slab energy storage floor system of claim 5, wherein: the aluminum alloy thin plate is provided with a lamp holder, the bottom end of the lamp holder is provided with a plurality of heat conducting fins, the heat conducting fins extend into the phase change energy storage material in the storage cavity, and the lamp tube is installed on the lamp holder.
7. The assembled prefabricated cement slab energy storage floor system of claim 6, wherein: and one surfaces of the lamp holder and the storage chamber, which are far away from the prefabricated trapezoidal thin folded plate, are respectively provided with a reflective film.
8. The assembled prefabricated cement slab energy storage floor system of claim 1, wherein: the prefabricated flat floor tile is mainly prepared by adding heat-conducting toughened chopped carbon fibers into concrete, stirring, and adding paraffin microcapsules.
9. The assembled prefabricated cement sheet energy storage floor system of claim 1 or 8, wherein: the top surface of the floor system is provided with a heat-conducting aluminum alloy grid, and the prefabricated flat floor tiles are arranged on the heat-conducting aluminum alloy grid.
10. The assembled prefabricated cement slab energy storage floor system of claim 1, wherein: and gaps among the prefabricated flat floor tiles are covered by waterproof and breathable materials.
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| CN202210145997.4A CN114412042A (en) | 2022-02-17 | 2022-02-17 | Combined prefabricated cement sheet assembled energy storage floor system |
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| CN202210145997.4A CN114412042A (en) | 2022-02-17 | 2022-02-17 | Combined prefabricated cement sheet assembled energy storage floor system |
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