CN209227944U - A kind of graphene composite heating plate for heating of house - Google Patents
A kind of graphene composite heating plate for heating of house Download PDFInfo
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- CN209227944U CN209227944U CN201821656155.0U CN201821656155U CN209227944U CN 209227944 U CN209227944 U CN 209227944U CN 201821656155 U CN201821656155 U CN 201821656155U CN 209227944 U CN209227944 U CN 209227944U
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- heating
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- graphene
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 75
- 239000002131 composite material Substances 0.000 title claims abstract description 66
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 34
- RWDBMHZWXLUGIB-UHFFFAOYSA-N [C].[Mg] Chemical compound [C].[Mg] RWDBMHZWXLUGIB-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 31
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 206010037660 Pyrexia Diseases 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims description 9
- 230000000979 retarding effect Effects 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 239000004831 Hot glue Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 239000011120 plywood Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000010276 construction Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 239000011268 mixed slurry Substances 0.000 description 6
- 229920000049 Carbon (fiber) Polymers 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 5
- 239000004917 carbon fiber Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- -1 graphite Alkene Chemical class 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 229920002101 Chitin Polymers 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 241000219000 Populus Species 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 241000469816 Varus Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000554 physical therapy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of graphene composite heating plates for heating of house, metal packet frame including composite board and the encirclement composite board side, the composite board include to be disposed with the first fireproof material layer, the first carbon magnesium composite plate layer, graphene fever film layer, thermal resistance reflective coating, very golden insulation board layer, the second carbon magnesium composite plate layer and the second fireproof material layer.
Description
Technical field
The utility model relates to building board technical field more particularly to a kind of compound hairs of graphene for heating of house
Hot plate.
Background technique
Traditional heating mode probably has a following seed type, and the more or less presence of such heating mode from
The defect of body or in engineer application there are biggish construction quality hidden danger and security risk, be now listed below respectively:
(1) central heating hot-water heating heating mode；(2) warming by air conditioner mode；(3) electric oil heater electric furnace heating wire heating mode；(4) wall
Hang furnace soil water heating air heating mode；(5) terrestrial heat pump heating mode；(6) carbon crystal, carbon fiber heating mode.
The shortcomings that prior art and prior art: the disadvantage of traditional kind heating mode respectively: (1) central heating hot-water heating
Heating mode: heating effect cannot control self, and without heat source before and after heat supply, radiator fin occupies the interior space unsightly.It metals run out
Mao Shui, drip, leak waste it is serious, heating speed is slow, and when heating is air-dried uncomfortable.Pipe network thermal losses is big, and construction is complicated,
Secondary pressurized equipment is needed, terminal user's heat loss is big, and installation fee is used and operation expense is all very high, can only simple subregion control
System, system can not accomplish that complete stand-by operation, heat cost and maintenance cost are high.
(2) warming by air conditioner mode: heating power consumption is big, and heat cost is high, and the hot foot of hot wind blow-through is cool, and comfort level is low, takes
Warm drying has a dust, and set noise pollution is big, if outdoor temperature is too low, outdoor compressor can not work starting, will cause room
Interior machine can not heating.
(3) electric oil heater electric furnace heating wire heating mode: electric oil heater electric heater accounts for very much interior space place, and power is big super power-consuming, system
Hot slow, when heating, does but also dry not only.First to be heated when heating after air could warm people, so power consumption is especially big, easy scald people,
Also it is easy scald after knocking down to damage old man and children, heated-air drying when heating.
(4) wall-hung boiler soil hot-water heating heating mode: needing pre-buried water pipe, and casting cement, construction is complicated, destroys building structure,
Installation cost is high, and no heat accumulation function, thermal losses is big, and being powered more than 40 minutes or so could heat, and operating cost is high, and operation is multiple
It is miscellaneous, it is desirable that technique is high, and relevant auxiliary materials are more, service life short 5--8 very strict to requirement of mating formation, and maintenance cost is high, dirty
Dye is serious, can leak electricity dangerous, not environmentally.
(5) terrestrial heat pump heating mode: installation trouble, occupied space, construction is complicated, and many factors such as quality of materials quality are all
Directly affect later period use.Because of domestic water quality inferiority, pipeline needs periodic cleaning, otherwise will appear the hidden danger such as leak.Engineering construction
Phase is long, and maintenance cost is high, and management cost is high, and overall operation expense and installation fee are all high.
(6) carbon crystal, carbon fiber phase warm up mode: carbon crystal, the good and bad jumbled together in carbon fiber heating market, is flooded with a large amount of three without production
Product, harmful competition lead to low price low-quality.Product quality and service life and construction effect not can guarantee.It is disclosed through media universal
It is serious that there are power attenuations, and temperature fever is uneven, is easy to appear the various problems such as sparking burning.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, heating heating can be realized by providing a kind of structure novel
The graphene composite heating plate for heating of house that low energy consumption.
In order to realize object above the technical scheme adopted by the utility model is
A kind of graphene composite heating plate for heating of house, including composite board and the encirclement composite board side
The metal packet frame on side, the composite board include to be disposed with the first fireproof material layer, the first carbon magnesium composite plate layer, graphite
Alkene fever film layer, thermal resistance reflective coating, very golden insulation board layer, the second carbon magnesium composite plate layer and the second fireproof material layer.
Preferably, first fireproof material layer is fire protection flame retarding high temperature cloth, fire-proof plate or aluminium sheet.
Preferably, second fireproof material layer is fire protection flame retarding high temperature cloth, fire-proof plate or aluminium foil.
Preferably, between the first fireproof material layer and the first carbon magnesium composite plate layer and the second carbon magnesium composite plate layer and second
It is bonded between fireproof material layer by PUR hot melt adhesive.
Preferably, it is bonded between the thermal resistance reflective coating and very golden insulation board layer by heat-sensitive glue.
Preferably, metal packet frame is aluminum alloy material.
The beneficial effects of the utility model are: the category graphene electric membranous layer of (1) the utility model, heats as planar hair
Heat, instant-heating heated the time down to 5 minutes, and fever is fast, can quickly heat quick accumulation of heat, and thermal storage time is long, and heat dissipation is slow
Slowly, thermal losses is very low.It is slow mainly to solve the existing accumulation of heat of tradition heating, slowly, the big problem of thermal losses is powered for heating
The problem of being lot more time to greenhouse.
(2) the utility model has the advantages of convenient installation, saves space.Set-up time is extremely quick to installing within 3 hours fastly, no
It is influenced, directly can easily be placed on the ground on the wall, construction personnel's simple training can be on duty installation, install by building structure
After can come into operation, it is primary to construct, it is lifelong easy, can effectively save a large amount of interior spaces.And water pipe when tradition hot-water heating installation
Long, components are more, need pre-buried water pipe, busy at putting up installations, also need casting cement, and construction is complicated, destroys building structure.
(3) the utility model uses graphene electric heating film and merges with the best of carbon magnesium composite plate, reaches its heating board
Energy-efficient, accumulation of heat duration is arrived, radiate slow core function.The excessive heat biography of graphene changes rate, not power-consuming, in addition carbon magnesium
The effective accumulation of heat of composite plate, few electricity consumption, makes its this patented product become optimal high energy-saving heating product.
(4) the utility model also enjoys far-infrared heat radiation effect in heating simultaneously, has not only warmed oneself but also physical therapy.In heating board
Graphene electric heating film, can activating cell, accelerate blood circulation, enhance immunity of organisms and metabolic capabilities.
(5) one layer of bloom aluminum reflectance coating that the utility model pastes on very golden insulation board, can 97% graphene
The heat that electric heating film issues is reflected into towards on the panel in human body direction, the function of the graphene heating film greatly improved
Effect.
(6) economic cost is cheap: heating effect is good, superelevation thermal conversion rate, not power-consuming, quick heating, and few electricity consumption just dresses up this
Low, investment-saving, operating cost is low, long service life, 30000 hours continuous heatings.
Detailed description of the invention
Fig. 1 is the top view of the utility model.
Fig. 2 is sectional view along A-A in Fig. 1.
Wherein, the first fireproof material layer of 1-, 2- the first carbon magnesium composite plate layer, 3- graphene fever film layer, the reflection of 4- thermal resistance
Film layer, the very golden insulation board layer of 5-, 6- the second carbon magnesium composite plate layer, the second fireproof material layer of 7-, 8-PUR hot melt adhesive, 9- metal packet
Frame.
Specific embodiment
The utility model technical solution claimed is made further specifically now in conjunction with the drawings and specific embodiments
It is bright.
Referring to figure 1 and figure 2, one of the present embodiment is used for the graphene composite heating plate of heating of house, including
Composite board and the metal packet frame 9 for surrounding the composite board side.The composite board includes to be disposed with first
Fireproof material layer 1, the first carbon magnesium composite plate layer 2, graphene fever film layer 3, thermal resistance reflective coating 4, very golden insulation board layer 5, the
Two carbon magnesium composite plate layers 6 and the second fireproof material layer 7.In the present embodiment, the first fireproof material layer 1 is fire protection flame retarding high temperature
Cloth, fire-proof plate or aluminium sheet, the second fireproof material layer 7 are fire protection flame retarding high temperature cloth, fire-proof plate or aluminium foil.First fireproof material layer 1
And first pass through PUR between carbon magnesium composite plate layer 2 and between the second carbon magnesium composite plate layer 6 and the second fireproof material layer 7 and heat
Glue 8 bonds, and is bonded between thermal resistance reflective coating 4 and very golden insulation board layer 5 by heat-sensitive glue.
In the present embodiment, the production technology of the first carbon magnesium composite plate layer 2 and the second carbon magnesium composite plate layer 6 is such as
Under:
Step 1: production carbon magnesium composite plate mixed slurry is to synthesize the first carbon magnesium composite plate layer 2 and the second carbon magnesium composite plate
Layer 6, wherein carbon magnesium composite plate mixed slurry includes the raw material of following parts by weight:
90 parts of magnesia, 25 parts of magnesium sulfate, 3 parts of hydrochloric acid, 3 parts of the concentrated sulfuric acid, 8 parts of clay, 8 parts of alumina powder, flyash 18
Part, 15 parts of chitin powder, 12 parts of Poplar Powder, 25 parts of bamboo powder, 12 parts of Paris white, 8 parts of foaming agent.
The configuration process of carbon magnesium composite plate mixed slurry is as follows: water dilution and the concentrated sulfuric acid is added as catalyst in magnesium sulfate
It is sufficiently stirred in stirring pool, addition hydrochloric acid makees catalyst and sufficiently stirs evenly again after uniformly merging, suitable during continuous agitation
It is sufficiently stirred when magnesia, flyash, clay, alumina powder, Paris white, foaming agent are added in right amount, is added while stirring again
Chitin powder, Poplar Powder, bamboo powder ingredient are sufficiently stirred again, pour into after stirring evenly stand-by in storage tank.
Step 2: carbon magnesium composite plate mixed slurry is prepared as the first carbon magnesium composite plate layer 2 and the second carbon magnesium composite plate layer
6, process is as follows: the carbon magnesium composite plate mixed slurry first uniformly brushes one layer thin in mold bottom before pouring into mold
Oil-based release agent so as to plate from mold smooth demoulding, in a mold smear one layer of release agent after uniformly spread two stratus rocks again
Then carbon magnesium composite plate mixed slurry stand-by in storage tank is imported in mold and starts laminator by screen cloth, machine is in traveling
One layer of carbon fiber mesh fabric and one layer of carbon fiber mesh fabric are imported from bottom again, and machine, which continuously roll, to be determined thickness and pave concora crush, and side is spread out
Spread the low pressure roll forming in blanking.
The preparation process of graphene composite heating plate is as follows in the present embodiment:
S1. between the first fireproof material layer 1 and the first carbon magnesium composite plate layer 2 and the second carbon magnesium composite plate layer 6 and second
The smooth mechanical heat seal of profession is passed through together by PUR hot melt adhesive 8 between fireproof material layer 7.
S2. the thermal resistance reflective coating 4 and very golden insulation board layer 5 are bonded by heat-sensitive glue.
S3. by the first fireproof material layer 1, the first carbon magnesium composite plate layer 2, graphene fever film layer 3, thermal resistance reflective coating 4,
Very golden insulation board layer 5, the second carbon magnesium composite plate layer 6 and the second fireproof material layer 7 are sequentially placed into metal packet frame 9, and will be golden
The side varus for belonging to packet frame 9 makes it that metal packet frame 9 to be surrounded to the side of composite board, has finally fastened metal packet using screw
Frame 9.
S4. by the water-proof cable plug of institute's band on graphene heating film by metal packet frame 9 punching perforating by graphite
Alkene heating film cable plug connects on aluminum alloy frame and carries out waterproof insulation protection.
The principle of graphene composite heating plate is as follows in the present embodiment: graphene generates heat after the energization of film layer 3, due to graphene
The resistance of material is minimum thus graphene fever film layer 3 in circulating current it is very big, according to formula P=UI=U2/ R, at this time graphene
The electric energy of fever film layer 3 can be converted into thermal energy to realize the fever heating function of graphene composite heating plate.Its heat generated
It can be absorbed and be stored by the first carbon magnesium composite plate layer 2, the second carbon magnesium composite plate layer 6 and Zhen Jin insulation board layer 5, even if in graphite
The first carbon magnesium composite plate layer 2, the second carbon magnesium composite plate layer 6 and Zhen Jin insulation board layer 5 remain to hold outward after alkene fever film layer 3 powers off
Continuous radiant heat energy, reduces energy consumption, while using the first fireproof material layer 1 and the second fireproof material layer 7 as the compound hair of graphene
Hot plate realizes its fire retardation, prevents graphene composite heating plate spontaneous combustion from improving Product Safety.
The embodiment of the above is only the preferred embodiment of the utility model, not does any form to the utility model
On limitation.Anyone skilled in the art all can benefit in the case where not departing from technical solutions of the utility model ambit
More possible variations and retouching are made to technical solutions of the utility model with the technology contents of the disclosure above, or are revised as equivalent
The equivalent embodiment of variation.Therefore all contents without departing from technical solutions of the utility model, the thinking according to the utility model are made
Equivalent equivalence changes, should all be covered by the protection scope of the utility model.
Claims (6)
1. a kind of graphene composite heating plate for heating of house, it is characterised in that: including described in composite board and encirclement
The metal packet frame (9) of composite board side, the composite board include to be disposed with the first fireproof material layer (1), first
Carbon magnesium composite plate layer (2), graphene fever film layer (3), thermal resistance reflective coating (4), very golden insulation board layer (5), the second carbon magnesium are multiple
Plywood layer (6) and the second fireproof material layer (7).
2. a kind of graphene composite heating plate for heating of house according to claim 1, it is characterised in that: described
One fireproof material layer (1) is fire protection flame retarding high temperature cloth, fire-proof plate or aluminium sheet.
3. a kind of graphene composite heating plate for heating of house according to claim 1, it is characterised in that: described
Two fireproof material layers (7) are fire protection flame retarding high temperature cloth, fire-proof plate or aluminium foil.
4. a kind of graphene composite heating plate for heating of house according to claim 1, it is characterised in that: first is anti-
Between fiery material layer (1) and the first carbon magnesium composite plate layer (2) and the second carbon magnesium composite plate layer (6) and the second fireproof material layer
(7) it is bonded between by PUR hot melt adhesive (8).
5. a kind of graphene composite heating plate for heating of house according to claim 1, it is characterised in that: the resistance
It is bonded between heat reflection film layer (4) and very golden insulation board layer (5) by heat-sensitive glue.
6. a kind of graphene composite heating plate for heating of house according to claim 1, it is characterised in that: metal packet
Frame (9) is aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821656155.0U CN209227944U (en) | 2018-10-12 | 2018-10-12 | A kind of graphene composite heating plate for heating of house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821656155.0U CN209227944U (en) | 2018-10-12 | 2018-10-12 | A kind of graphene composite heating plate for heating of house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209227944U true CN209227944U (en) | 2019-08-09 |
Family
ID=67499952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821656155.0U Expired - Fee Related CN209227944U (en) | 2018-10-12 | 2018-10-12 | A kind of graphene composite heating plate for heating of house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209227944U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111148292A (en) * | 2019-12-30 | 2020-05-12 | 甘肃圣大陵商贸有限公司 | Composite glass magnesium board and graphene heating board comprising same |
| CN111549991A (en) * | 2020-05-12 | 2020-08-18 | 山东中亿烯创新材料科技有限公司 | Production process of graphene heating wallboard module |
| CN113235857A (en) * | 2021-04-27 | 2021-08-10 | 长沙诚邦建筑工程有限公司 | Composite floor and preparation and application method thereof |
-
2018
- 2018-10-12 CN CN201821656155.0U patent/CN209227944U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111148292A (en) * | 2019-12-30 | 2020-05-12 | 甘肃圣大陵商贸有限公司 | Composite glass magnesium board and graphene heating board comprising same |
| CN111549991A (en) * | 2020-05-12 | 2020-08-18 | 山东中亿烯创新材料科技有限公司 | Production process of graphene heating wallboard module |
| CN113235857A (en) * | 2021-04-27 | 2021-08-10 | 长沙诚邦建筑工程有限公司 | Composite floor and preparation and application method thereof |
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